STOCK TITAN

NuCana (NCNA) trims losses in H1 2026 and sees cash runway into 2029

(Neutral)
(Neutral)
Form Type
6-K

Rhea-AI Filing Summary

NuCana plc reported substantially lower losses for the quarter and six months ended June 30, 2026 while remaining a pre-revenue, clinical-stage oncology company. For the quarter, the net loss was £3.1 million versus £24.1 million a year earlier, largely reflecting the absence of a prior-year £12.6 million non-cash warrant revaluation loss and sharply reduced research and development and administrative expenses. For the first half, the net loss was £6.9 million compared with £26.6 million in 2025.

Cash and cash equivalents were £19.5 million at June 30, 2026, down from £24.3 million at year-end 2025. Management expects this to fund planned operations into 2029 and continues to use an at-the-market program, raising £0.2 million in the first half and a further £0.3 million after period end. The pipeline is led by NUC-7738, now fully recruited in a Phase 2 expansion study in PD‑1 inhibitor‑resistant metastatic melanoma following FDA IND clearance, and by NUC‑3373, for which further development strategy is being evaluated. Accumulated deficit reached £253.7 million, and the company reiterates it expects ongoing losses until successful commercialization.

Positive

  • Net loss significantly reduced: quarterly loss fell to £3.1 million from £24.1 million, and six‑month loss to £6.9 million from £26.6 million, aided by lower R&D/admin costs and no repeat of a £12.6 million non‑cash warrant revaluation.
  • Extended cash runway: cash of £19.5 million at June 30, 2026 is expected to fund planned operations into 2029, supported by an active ATM equity program.
  • Key clinical milestone: recruitment is complete in the Phase 2 NuTide:701 expansion study of NUC‑7738 plus pembrolizumab in PD‑1 inhibitor‑resistant metastatic melanoma, with final data expected in 2026 and ongoing FDA dialogue on a potential registrational path.

Negative

  • Ongoing losses and deficit: the company remains pre‑revenue, posted a £6.9 million loss in the first half of 2026, and has an accumulated deficit of £253.7 million, with profitability dependent on successful development and commercialization of its product candidates.
  • Reliance on future financing: management states it will need additional capital beyond the going‑concern assessment period and may also require more funds if it expands development programs, with no assurance such financing will be available on acceptable terms.

Filing Explained

After June 30, NuCana sold and issued 275,712 ADSs for £0.3 million through the ATM; the shelf provides capacity, not an additional completed sale.

Form 6-K is a foreign private issuer’s interim report; NuCana furnishes second-quarter statements, management discussion and a press release, and incorporates specified exhibits into its F-3 and S-8 registration statements.

After June 30, 2026, the company reports that it sold and issued 275,712 ADSs representing 1,378,560,000 ordinary shares under its ATM program for gross proceeds of £0.3 million.

Issuing additional shares increases the share count and reduces existing holders’ percentage ownership absent offsetting changes.

On June 8, 2026, NuCana subdivided and redesignated its share capital; its deferred shares have no economic, dividend or voting rights.

At June 30, 2026, issued capital included 21,547,775 thousand ordinary shares and 3,564,222,220 thousand deferred shares, and 4,307,855 ADSs were listed.

The ATM arrangement allows periodic sales with an aggregate offering price of up to $100.0 million, within an F-3 shelf permitting up to $150.0 million of securities.

Those figures describe maximum capacity; the filing separately records the completed post-period issuance and proceeds above.

The next specified development milestone is final data from the Phase 2 NUC-7738 expansion study, which the company says remains on track for later in 2026.

Q2 2026 net loss £3.1 million Loss for the three months ended June 30, 2026 attributable to equity holders
H1 2026 net loss £6.9 million Loss for the six months ended June 30, 2026
Cash and cash equivalents £19.5 million Balance at June 30, 2026
H1 2026 R&D expenses £5.5 million Research and development expenses for the six months ended June 30, 2026
H1 2025 R&D expenses £8.8 million Research and development expenses for the six months ended June 30, 2025
Accumulated deficit £253.7 million Accumulated deficit as of June 30, 2026
ATM H1 2026 proceeds £0.2 million Gross proceeds from 147,584 ADSs sold under ATM in H1 2026
ADSs outstanding June 30, 2026 4,307,855 ADSs ADSs listed on The Nasdaq Capital Market as of June 30, 2026
ProTide technology medical
"applying our ProTide technology to transform some of the most widely prescribed chemotherapy agents"
thymidylate synthase medical
"NUC-3373 is a targeted thymidylate synthase (“TS”) inhibitor designed to overcome key pharmacological limitations"
An enzyme that helps make one of the building blocks of DNA by converting a molecule called dUMP into dTMP, a step needed for cells to copy their DNA and divide. It matters to investors because many cancer and antiviral drugs target or measure this enzyme; changes in its activity or levels can influence drug effectiveness, clinical trial outcomes, and the commercial potential of therapies, like a control valve for cell growth.
Investigational New Drug application regulatory
"Following the Investigational New Drug application (“IND”) clearance from the U.S. Food and Drug Administration"
An investigational new drug application is a formal request made to regulatory authorities to begin testing a new medication in humans. It is a critical step in the drug development process, as approval indicates the drug has passed initial safety checks and can be studied further. For investors, this signals that a potential new treatment is progressing through its early testing stages, which can impact the company's future growth prospects.
at-the-market program financial
"sold and issued 147,584 ADSs ... under the ATM program, raising gross proceeds of £0.2 million"
An at-the-market program is a way for a company to sell new shares of its stock gradually over time directly into the stock market, rather than all at once. This approach allows the company to raise money as needed while giving investors the opportunity to buy shares at current market prices. It helps manage the timing and price of new stock offerings, providing flexibility for both the company and investors.
research and development tax credits financial
"income tax credit recognized primarily represents the U.K. research and development tax credits"
Tax incentives that let companies reduce their tax bill or receive refunds for qualified spending on developing new or improved products, processes, software, or technical knowledge. For investors, these credits act like a rebate that lowers the effective cost of innovation, improving cash flow and potential profitability, making growth projects less risky and often supporting higher valuations; their value depends on a company’s eligible activity and prevailing tax rules.
Phase 2 expansion study medical
"recruitment is now complete in our Phase 2 NuTide:701 expansion study evaluating NUC-7738"
A phase 2 expansion study is a clinical trial step where a treatment that showed initial promise is tested in more people to better understand its effectiveness and safety at a chosen dose. Think of it as widening a pilot program to see if early positive results hold up in a larger group; for investors, successful expansion can reduce technical risk, support higher valuation, and make the drug more likely to reach late-stage trials or attract partners.

FAQ

How did NuCana (NCNA) perform financially in Q2 2026?

NuCana reported a Q2 2026 net loss of £3.1 million, sharply lower than the £24.1 million loss in Q2 2025. The improvement reflects reduced R&D and administrative expenses and no repeat of a prior‑year £12.6 million non‑cash warrant revaluation loss.

What is NuCana’s (NCNA) cash position and runway as of June 30, 2026?

As of June 30, 2026, NuCana held £19.5 million in cash and cash equivalents. Management expects this to fund planned operations into 2029, assuming current operating budgets and development plans, supplemented by modest ATM equity sales.

How much did NuCana (NCNA) spend on R&D in H1 2026 versus H1 2025?

Research and development expenses were £5.5 million for the six months ended June 30, 2026, down from £8.8 million in the prior‑year period. H1 2026 spending included £4.3 million on NUC‑7738 and £0.7 million on NUC‑3373.

What are the key clinical updates for NuCana’s (NCNA) NUC-7738 program?

Recruitment is complete in the Phase 2 NuTide:701 expansion study of NUC‑7738 plus pembrolizumab in PD‑1 inhibitor‑resistant metastatic melanoma. NuCana expects final data in 2026 and is engaging the FDA on a potential registrational strategy.

How is NuCana (NCNA) using its ATM program for financing?

Under a $100 million ATM program, NuCana sold 147,584 ADSs in H1 2026 for £0.2 million gross proceeds and a further 275,712 ADSs after June 30, 2026 for £0.3 million, providing incremental non‑deal equity capital.

What is NuCana’s (NCNA) share structure after the 2026 subdivision?

Following a June 8, 2026 subdivision and reclassification, NuCana’s issued share capital comprised 20,809,854,947 ordinary shares and 3,564,222,220,053 deferred shares of £0.000004 each. Deferred shares have no economic value, dividend, or voting rights.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
FORM 6-K
 
 
REPORT OF FOREIGN ISSUER
PURSUANT TO
RULE 13a-16 OR 15d-16
OF THE SECURITIES EXCHANGE ACT OF 1934
For the month of August 2026
(Commission
File No. 001-38215)
 
 
NUCANA PLC
(Translation of registrant’s name into English)
 
 
3 Lochside Way
Edinburgh EH12 9DT
United Kingdom
(Address of registrant’s principal executive office)
 
 
Indicate by check mark whether the registrant files or will file annual reports under
cover Form 20-F or Form 40-F.
Form 20-F ☒   Form 40-F ☐
Indicate by check mark if the registrant is submitting
the Form 6-K in
paper as permitted by
Regulation S-T Rule 101 (b) (1): ☐
Indicate by check mark if the registrant is submitting
the Form 6-K in
paper as permitted by
Regulation S-T Rule 101 (b) (7): ☐
 
 
 


Other Events

On August 13, 2026, NuCana plc (the “Company”) issued a press release announcing its second quarter 2026 financial results. The Company’s unaudited condensed consolidated financial statements as of June 30, 2026 are attached as Exhibit 99.1 and are incorporated by reference herein. The Company’s Management’s Discussion and Analysis of Financial Condition and Results of Operations is attached as Exhibit 99.2 hereto and is incorporated by reference herein. The press release is attached as Exhibit 99.3 hereto and is incorporated by reference herein.

The information in this Report on Form 6-K and in the attached Exhibits 99.1 and 99.2 shall be deemed to be incorporated by reference into the registration statements on Form F-3, as amended (File Number 333-281576) and Form S-8 (File Number 333-223476, File Number 333-248135 and File Number 333-294466), and related prospectuses, as such registration statements and prospectuses may be amended from time to time, and to be a part thereof from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished.

The information in the attached Exhibit 99.3 is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as otherwise set forth herein or as shall be expressly set forth by specific reference in such a filing.

Exhibits

 

Exhibit

  

Description

99.1    Unaudited Condensed Consolidated Financial Statements as of June 30, 2026 and for the Three and Six Months Ended June 30, 2026 and 2025
99.2    Management’s Discussion and Analysis of Financial Condition and Results of Operations for the Three and Six Months Ended June 30, 2026 and 2025
99.3    Press Release dated August 13, 2026
101.INS    INLINE XBRL Taxonomy Extension Schema Document
101.DEF    INLINE XBRL Taxonomy Extension Calculation Linkbase Document
101.CAL    INLINE XBRL Taxonomy Extension Definition Linkbase Document
101.LAB    INLINE XBRL Taxonomy Extension Label Linkbase Document
101.PRE    INLINE XBRL Taxonomy Extension Presentation Linkbase Document
104    Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized.

 

NuCana plc
By:  

/s/ Ian Webster

Name:   Ian Webster
Title:   Chief Financial Officer (Principal Financial and Accounting Officer)

Date: August 13, 2026

Exhibit 99.1
NUCANA PLC
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
 
           
For the Three Months Ended
June 30,
   
For the Six Months Ended
June 30,
 
    
Notes
    
   2026   
   
   2025   
   
   2026   
   
   2025   
 
           
(in thousands, except per share data)
 
           
£
   
£
   
£
   
£
 
Research and development expenses
        (2,250     (7,104     (5,463     (8,829
Administrative expenses
        (1,187     (4,523     (2,755     (5,590
Net foreign exchange (losses) gains
        (110     (202     253       (261
     
 
 
   
 
 
   
 
 
   
 
 
 
Operating loss
     
 
(3,547
 
 
(11,829
 
 
(7,965
 
 
(14,680
Finance income
        134       35       277       60  
Finance expense
     3              (12,648           (12,648
     
 
 
   
 
 
   
 
 
   
 
 
 
Loss before tax
     
 
(3,413
 
 
(24,442
 
 
(7,688
 
 
(27,268
Income tax credit
     4        333       328       743       681  
     
 
 
   
 
 
   
 
 
   
 
 
 
Loss for the period attributable to equity holders of the Company
     
 
(3,080
 
 
(24,114
 
 
(6,945
 
 
(26,587
     
 
 
   
 
 
   
 
 
   
 
 
 
Basic and diluted loss per ordinary share
     5        (0.00     (0.00     (0.00     (0.01
The accompanying notes form an integral part of these unaudited condensed consolidated financial statements.

NUCANA PLC
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
 
    
For the Three Months Ended
June 30,
   
For the Six Months Ended

June 30,
 
    
   2026   
   
   2025   
   
   2026   
   
   2025   
 
    
(in thousands)
 
    
£
   
£
   
£
   
£
 
Loss for the period
  
 
(3,080
 
 
(24,114
 
 
(6,945
 
 
(26,587
Other comprehensive (expense) income:
        
Items that may be reclassified subsequently to profit or loss:
        
Exchange differences on translation of foreign operations
     (5     (49     13       (76
  
 
 
   
 
 
   
 
 
   
 
 
 
Other comprehensive (expense) income for the period
     (5     (49     13       (76
  
 
 
   
 
 
   
 
 
   
 
 
 
Total comprehensive loss for the period
  
 
(3,085
 
 
(24,163
 
 
(6,932
 
 
(26,663
  
 
 
   
 
 
   
 
 
   
 
 
 
Attributable to:
        
Equity holders of the Company
  
 
(3,085
 
 
(24,163
 
 
(6,932
 
 
(26,663
  
 
 
   
 
 
   
 
 
   
 
 
 
The accompanying notes form an integral part of these unaudited condensed consolidated financial statements.

NUCANA PLC
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION
AS AT
 
           
   June 30,   

2026
   
 December 31, 

2025
 
           
(in thousands)
 
    
Notes
    
£
   
£
 
Assets
       
Non-current
assets
       
Intangible assets
     6        2,206       2,198  
Property, plant and equipment
        622       658  
Deferred tax asset
     4        125       117  
     
 
 
   
 
 
 
     
 
2,953
 
 
 
2,973
 
     
 
 
   
 
 
 
Current assets
       
Prepayments, accrued income and other receivables
        829       849  
Current income tax receivable
     4        2,498       1,761  
Cash and cash equivalents
     7        19,503       24,251  
     
 
 
   
 
 
 
     
 
22,830
 
 
 
26,861
 
     
 
 
   
 
 
 
Total assets
     
 
25,783
 
 
 
29,834
 
     
 
 
   
 
 
 
Equity and liabilities
       
Capital and reserves
       
Share capital and share premium
     9        189,657       189,586  
Other reserves
        84,352       87,075  
Accumulated deficit
        (253,749     (252,334
     
 
 
   
 
 
 
Total equity attributable to equity holders of the Company
     
 
20,260
 
 
 
24,327
 
     
 
 
   
 
 
 
Non-current
liabilities
       
Provisions
        58       58  
Lease liabilities
        637       656  
     
 
 
   
 
 
 
     
 
695
 
 
 
714
 
     
 
 
   
 
 
 
Current liabilities
       
Trade payables
        450       522  
Payroll taxes and social security
        125       99  
Accrued expenditure
        4,218       4,152  
Lease liabilities
        35       20  
     
 
 
   
 
 
 
     
 
4,828
 
 
 
4,793
 
Total liabilities
     
 
5,523
 
 
 
5,507
 
     
 
 
   
 
 
 
Total equity and liabilities
     
 
25,783
 
 
 
29,834
 
     
 
 
   
 
 
 
The accompanying notes form an integral part of these unaudited condensed consolidated financial statements.

NUCANA PLC
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY
 
   
For the Six Months Ended June 30,
 
   
Share

  capital  
   
Share

 premium 
   
Own

share

  reserve  
   
Share

option

  reserve  
   
Foreign

currency

 translation 

reserve
   
Capital

  reserve  
   
Accumulated

deficit
   
Total

equity

attributable
to equity
holders
 
   
(in thousands)
 
   
£
   
£
   
£
   
£
   
£
   
£
   
£
   
£
 
Balance at January 1, 2025
 
 
5,681
 
 
 
146,146
 
 
 
(339
 
 
36,276
 
 
 
18
 
 
 
42,466
 
 
 
(224,294
 
 
5,954
 
Loss for the period
    —        —        —        —        —        —        (26,587     (26,587
Other comprehensive expense for the period
    —        —        —        —        (76     —        —        (76
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Total comprehensive loss for the period
    —        —        —        —        (76     —        (26,587     (26,663
Share-based payments
    —        —        —        8,247       —        —        —        8,247  
Exercise of share options
    1       —        —        (43     —        —        43       1  
Lapse of share options
    —        —        —        (142     —        —        142       —   
Issue of share capital
    419       803       —        —        —        —        —        1,222  
Exercise of warrants
    3,731       15,188       —        —        —        —        —        18,919  
Share issue expenses
    —        (296     —        —        —        —        —        (296
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Balance at June 30, 2025
 
 
9,832
 
 
 
161,841
 
 
 
(339
 
 
44,338
 
 
 
(58
 
 
42,466
 
 
 
(250,696
 
 
7,384
 
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Balance at January 1, 2026
 
 
14,340
 
 
 
175,246
 
 
 
(339
 
 
44,991
 
 
 
(43
 
 
42,466
 
 
 
(252,334
 
 
24,327
 
Loss for the period
    —        —        —        —        —        —        (6,945     (6,945
Other comprehensive income for the period
    —        —        —        —        13       —        —        13  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Total comprehensive loss for the period
    —        —        —        —        13       —        (6,945     (6,932
Share-based payments
    —        —        —        2,794       —        —        —        2,794  
Lapse of share options
    —        —        —        (5,530     —        —        5,530       —   
Issue of share capital
    3       203       —        —        —        —        —        206  
Share issue expenses
    —        (135     —        —        —        —        —        (135
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Balance at June 30, 2026
 
 
14,343
 
 
 
175,314
 
 
 
(339
 
 
42,255
 
 
 
(30
 
 
42,466
 
 
 
(253,749
 
 
20,260
 
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
The accompanying notes form an integral part of these unaudited condensed consolidated financial statements.

NUCANA PLC
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
 
    
For the Six Months Ended
June 30,
 
    
   2026   
   
   2025   
 
    
(in thousands)
 
    
£
   
£
 
Cash flows from operating activities
    
Loss for the period
     (6,945     (26,587
Adjustments for:
    
Income tax credit
     (743     (681
Amortization and depreciation
     139       136  
Movement in provisions
           (40
Finance income
     (277     (60
Finance expense
           12,648  
Interest expense on lease liabilities
     25       5  
Share-based payments
     2,794       8,247  
Net foreign exchange (gains) losses
     (269     387  
  
 
 
   
 
 
 
     (5,276     (5,945
Movements in working capital:
    
Decrease (increase) in prepayments, accrued income and other receivables
     10       (113
Decrease in trade payables
     (72     (1,607
Increase (decrease) in payroll taxes, social security and accrued expenditure
     93       (929
  
 
 
   
 
 
 
Movements in working capital
     31       (2,649
  
 
 
   
 
 
 
Cash used in operations
  
 
(5,245
 
 
(8,594
  
 
 
   
 
 
 
Net income tax received
           999  
  
 
 
   
 
 
 
Net cash used in operating activities
  
 
(5,245
 
 
(7,595
  
 
 
   
 
 
 
Cash flows from investing activities
    
Interest received
     286       57  
Payments for intangible assets
     (111     (96
  
 
 
   
 
 
 
Net cash from (used in) investing activities
  
 
175
 
 
 
(39
  
 
 
   
 
 
 
Cash flows from financing activities
    
Payments for lease liabilities
     (27     (41
Proceeds from exercise of share options
           1  
Proceeds from issue of share capital
     206       1,222  
Proceeds from exercise of warrants
           4,436  
Proceeds from issue of warrants
           4,439  
Share issue expenses
     (135     (296
  
 
 
   
 
 
 
Net cash from financing activities
  
 
44
 
 
 
9,761
 
  
 
 
   
 
 
 
Net (decrease) increase in cash and cash equivalents
     (5,026     2,127  
Cash and cash equivalents at beginning of period
  
 
24,251
 
 
 
6,749
 
  
 
 
   
 
 
 
Effect of exchange rate changes on cash and cash equivalents
     278       (433
  
 
 
   
 
 
 
Cash and cash equivalents at end of period
  
 
19,503
 
 
 
8,443
 
  
 
 
   
 
 
 
The accompanying notes form an integral part of these unaudited condensed consolidated financial statements.

NUCANA PLC
NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
1. General information
NuCana plc (“NuCana” or the “Company”) is a clinical-stage biopharmaceutical company developing a portfolio of new medicines to treat patients with cancer. NuCana is harnessing the power of phosphoramidate chemistry to generate new medicines called ProTides. These compounds have the potential to improve cancer treatment by enhancing the efficacy and safety of several current standards of care.
The Company has had American Deposit
a
ry Shares (“ADSs”) registered with the US Securities and Exchange Commission (“SEC”) and has been listed on Nasdaq since October 2, 2017. From November 9, 2023 the Company transferred its listing to The Nasdaq Capital Market. On April 16, 2024, the Company effected a ratio change of its ADSs to its ordinary shares from one ADS representing one ordinary share, to one ADS representing 25 ordinary shares. On August 11, 2025, the Company effected a ratio change of its ADSs to its ordinary shares from one ADS representing 25 ordinary shares, to one ADS representing 5,000 ordinary shares.
The Company is incorporated in England and Wales and domiciled in the United Kingdom. The Company’s registered office is located at 77/78 Cannon Street, London EC4N 6AF, United Kingdom and its principal place of business is located at 3 Lochside Way, Edinburgh, EH12 9DT, United Kingdom.
The Company has three wholly owned subsidiaries, NuCana, Inc., NuCana Limited and NuCana BioMed Trustee Company Limited (together referred to as the “Group”).
The financial information presented in these unaudited condensed consolidated financial statements does not constitute the Group’s statutory accounts within the meaning of section 434 of the U.K. Companies Act 2006.
The Group’s statutory accounts for the year ended December 31, 2025 have been reported on by the Company’s auditor, and delivered to the Registrar of Companies. The report of the auditor was (i) unqualified and (ii) did not include a reference to any matters to which the auditors drew attention by way of emphasis without qualifying their report.
2. Material accounting policies
Basis of preparation
The unaudited condensed consolidated financial statements (the “financial statements”) for the six months ended June 30, 2026 have been prepared in accordance with International Accounting Standard 34, “
Interim Financial Reporting”
(“IAS 34”). The material accounting policies and methods of computation applied in the preparation of the financial statements are consistent with those applied in the Company’s annual financial statements for the year ended December 31, 2025.
No new standards, amendments or interpretations have had an impact on the financial statements for the six months ended June 30, 2026. The financial statements comprise the financial statements of the Group at June 30, 2026. The financial statements are presented in pounds sterling, which is also the Company’s functional currency. All values are rounded to the nearest thousand, except where otherwise indicated.
The financial statements do not include all the information and disclosures required in the annual financial statements, and should be read in conjunction with the Company’s annual financial statements for the year ended December 31, 2025.
In the opinion of management, these unaudited condensed consolidated financial statements include all normal recurring adjustments necessary for a fair statement of the results of operations, financial position and cash flows. The results of operations for the six months ended June 30, 2026 are not necessarily indicative of the results that can be expected for the Company’s
fiscal
year ending December 31, 2026.
Going concern
The Company’s consolidated financial statements have been presented on the basis that it is a going concern. The Company has not generated any revenues from operations to date and does not expect to in the foreseeable future. As such, the Company has incurred recurring net losses, has an accumulated deficit totaling £253.7 million and cash flows used in operating activities of £5.2 million as of and for the six months ended June 30, 2026. The Company had £19.5 million of cash and cash equivalents at June 30, 2026.

In reviewing the going concern assessment the Company’s board of directors have considered a going concern period of 12 months from the issuance of these financial statements. Based on its current operating budgets and development plans, the Company’s cash and cash equivalents on hand will be sufficient to fund its anticipated operations for the entirety of the going concern assessment period. The board of directors is therefore satisfied that it is appropriate to adopt the going concern basis of accounting in preparing the financial statements.
As the Company continues to incur losses, the transition to profitability is dependent upon the successful development, approval and commercialization of its product candidates and achieving a level of revenues adequate to support its cost structure. The Company may never achieve profitability, and unless and until it does, it will continue to need additional capital beyond the going concern assessment period. The Company may also need to raise additional funds if it chooses to expand its current development program. There can be no assurances, however, that additional funding will be available on acceptable terms
.
Judgements and estimates
The accounting estimates and judgements made by management in applying the Group’s accounting policies that have the most material effect on the amounts included within these financial statements were the same as those that applied to the annual financial statements for the year ended December 31, 2025.
3. Finance expense
 
    
For the Three Months Ended

June 30,
    
For the Six Months Ended
June 30,
 
    
   2026   
    
   2025   
    
   2026   
    
   2025   
 
    
(in thousands)
 
    
£
    
£
    
£
    
£
 
Revaluation loss from derivative financial instruments
            (12,648             (12,648
  
 
 
    
 
 
    
 
 
    
 
 
 
The
non-cash
revaluation loss from derivative financial instruments of £12.6 million for the six months ended June 30, 2025 related to the fair value remeasurement of Series A and Series B warrants.
4. Income tax
 
    
For the Three Months Ended

June 30,
    
For the Six Months Ended
June 30,
 
    
   2026   
    
   2025   
    
   2026   
    
   2025   
 
    
(in thousands)
 
    
£
    
£
    
£
    
£
 
Current tax:
           
In respect of current period U.K.
     330        301        737        648  
In respect of prior period U.K.
     —         24        —         24  
  
 
 
    
 
 
    
 
 
    
 
 
 
     330        325        737        672  
Deferred tax:
           
In respect of current period U.S.
     3        3        6        9  
  
 
 
    
 
 
    
 
 
    
 
 
 
Income tax credit
  
 
333
 
  
 
328
 
  
 
743
 
  
 
681
 
  
 
 
    
 
 
    
 
 
    
 
 
 
The income tax credit recognized primarily represents the U.K. research and development tax credits. In the United Kingdom, the Company is able to surrender some of its losses for a cash rebate of up to 26.97% of expenditure related to eligible research and development projects.

    
  June 30,  

2026
    
December 31,

2025
 
    
(in thousands)
 
    
£
    
£
 
Current income tax receivable
     
U.K. tax
     2,496        1,759  
U.S. tax
     2        2  
  
 
 
    
 
 
 
  
 
2,498
 
  
 
1,761
 
  
 
 
    
 
 
 
Deferred tax asset
     
U.S. deferred tax asset
  
 
125
 
  
 
117
 
  
 
 
    
 
 
 
5. Basic and diluted loss per ordinary share
 
    
For the Three Months Ended

June 30,
    
For the Six Months Ended
June 30,
 
    
   2026   
    
   2025   
    
   2026   
    
   2025   
 
    
(in thousands, except per share data)
 
    
£
    
£
    
£
    
£
 
Loss for the period
     (3,080      (24,114      (6,945      (26,587
  
 
 
    
 
 
    
 
 
    
 
 
 
Basic and diluted weighted average number of ordinary shares
     20,928,149        5,173,376        20,869,329        2,676,461  
Basic and diluted loss per ordinary share
     (0.00      (0.00      (0.00      (0.01
  
 
 
    
 
 
    
 
 
    
 
 
 
Basic loss per ordinary share is calculated by dividing the loss for the period attributable to the equity holders of the Company by the weighted average number of ordinary shares outstanding during the period.
The potential ordinary shares issued through equity settled transactions were considered to be anti-dilutive as they would have decreased the loss per ordinary share and were therefore excluded from the calculation of diluted loss per ordinary share.
6. Intangible assets
Intangible assets comprise patents with a carrying value of £2.2 million as of June 30, 2026 (as of December 31, 2025: £2.2 million).
During the six months ended June 30, 2026, the Company acquired intangible assets with a cost of £0.1 million in relation to patents.
7. Cash and cash equivalents
 
    
   June 30,   

2026
    
 December 31, 

2025
 
    
(in thousands)
 
    
£
    
£
 
Cash and cash equivalents
     19,503        24,251  
  
 
 
    
 
 
 
Cash and cash equivalents comprise cash at banks with deposit maturity terms of three months or less. Cash at banks earns interest at fixed or variable rates based on the terms agreed for each account.
8. Share-based payments
The Company has six share-based payment plans for employees, directors and consultants. The share options granted will be settled in equity. If the Company determines, and at its discretion, an arrangement may be made under the 2020 Long-Term Incentive Plan to substitute the right to acquire shares with a cash alternative of equivalent value. Options granted under each of the six plans have a maximum life of 10 years.
As detailed in the table below, during the six months ended June 30, 2026, 4,121 million share options were granted under the 2020 Long-Term Incentive Plan (six months ended June 30, 2025: 3,478 million). Options granted under this plan will vest if the option holder remains under respective contract of employment or contract of service for the agreed vesting period. The share options granted in the period will vest over a period of up to four years.

The fair values of options granted were determined using the Black-Scholes model that takes into account factors specific to the share incentive plan such as the assumption that the options are exercised at a point in time of up to two years after vesting. This has been incorporated into the measurement by means of actuarial modelling.
 
Grant date
  
Jan-14-2026
   
    
Jan-14-2026
   
    
Jan-14-2026
 
Vesting dates
    
Jan-14-2026
        
Jan-14-2027
        
Jan-14-2027
 
     —           —          
Jan-14-2028
 
     —           —          
Jan-14-2029
 
     —           —          
Jan-14-2030
 
Volatility
1
     260.56        226.67        193.02
Dividend yield
     0        0        0
Risk-free investment rate
1
     3.51        3.53        3.67
Fair value of option at grant date
1
   £ 0.0004        £ 0.0005        £ 0.0005  
Fair value of share at grant date
   £ 0.0005        £ 0.0005        £ 0.0005  
Exercise price at date of grant
   £ 0.0004        £ 0.0004        £ 0.0004  
Lapse date
    
Jan-14-2036
        
Jan-14-2036
        
Jan-14-2036
 
Expected option life (years)
1
     1.0          2.0          3.5  
Number of options granted
     1,951,153,811          174,109,121          1,324,308,581  
  
 
 
      
 
 
      
 
 
 
 
Grant date
  
Jan-14-2026
   
    
Jan-14-2026
   
    
          
Vesting dates
    
Jan-14-2026
        
Jan-14-2027
   
     —          
Jan-14-2028
   
     —          
Jan-14-2029
   
     —          
Jan-14-2030
   
Volatility
1
     226.67        175.64  
Dividend yield
     0        0  
Risk-free investment rate
1
     3.53        3.78  
Fair value of option at grant date
1
   £ 0.0005        £ 0.0005    
Fair value of share at grant date
   £ 0.0005        £ 0.0005    
Exercise price at date of grant
   £ 0.0005        £ 0.0005    
Lapse date
    
Jan-14-2036
        
Jan-14-2036
   
Expected option life (years)
1
     2.0          4.5    
Number of options granted
     313,694,177          87,871,006    
  
 
 
      
 
 
   
 
Grant date
  
Apr-15-2026
   
    
Apr-15-2026
   
    
          
Vesting dates
    
Apr-15-2026
        
Apr-15-2027
   
     —          
Apr-15-2028
   
     —          
Apr-15-2029
   
     —          
Apr-15-2030
   
Volatility
1
     256.68        192.85  
Dividend yield
     0        0  
Risk-free investment rate
1
     4.07        4.16  
Fair value of option at grant date
1
   £ 0.0002        £ 0.0003    
Fair value of share at grant date
   £ 0.0003        £ 0.0003    
Exercise price at date of grant
   £ 0.0004        £ 0.0004    
Lapse date
    
Apr-15-2036
        
Apr-15-2036
   
Expected option life (years)
1
     1.0          3.5    
Number of options granted
     135,525,518          134,170,264    
  
 
 
      
 
 
   
 
1.
 
Represents the average for the options granted.

For the three months ended June 30, 2026, the Company recognized £0.9 million of share-based payment expense in the statement of operations (three months ended June 30, 2025: £8.0 million). For the six months ended June 30, 2026, the Company re
co
g
n
ized £2.8 million of share-based payment expense in the statement of operations (six months ended June 30, 2025: £8.2 million).
9.
Share
capital and share premium
 
    
    June 30,    

2026
    
   December 31,   

2025
 
    
(in thousands)
 
    
£
    
£
 
Share capital
     14,343        14,340  
Share premium
     175,314        175,246  
  
 
 
    
 
 
 
  
 
189,657
 
  
 
189,586
 
  
 
 
    
 
 
 
 
    
Number

(in thousands)
 
    
  Nominal value  

£0.000004
    
  Nominal value  

£0.0004
 
Issued share capital comprises:
     
Ordinary shares
     21,547,775        20,809,855  
Deferred shares
     3,564,222,220        15,040,466  
  
 
 
    
 
 
 
  
 
3,585,769,995
 
  
 
35,850,321
 
  
 
 
    
 
 
 
 
    
Number of

 ordinary shares 
    
Number of

 deferred shares 
    
 Ordinary share 

capital
   
 Deferred share 

capital
    
 Share premium 
 
    
(in thousands)
 
                  
£
   
£
    
£
 
Fully paid shares:
             
Balance at December 31, 2025
     20,809,855        15,040,466        8,324       6,016        175,246  
Subdivision and reclassification of share capital
            3,549,181,754        (8,241     8,241         
Issue of share capital
     737,920     
 
 
     3              203  
Share issue expenses
     —      
 
— 
 
     —        —         (135
  
 
 
    
 
 
    
 
 
   
 
 
    
 
 
 
Balance at June 30, 2026
  
 
21,547,775
 
  
 
3,564,222,220
 
  
 
86
 
 
 
14,257
 
  
 
175,314
 
  
 
 
    
 
 
    
 
 
   
 
 
    
 
 
 
On June 8, 2026, the Company subdivided and redesignated its issued share capital as follows:
 
   
Each of the 15,040,465,803 deferred shares of £0.0004 each in the issued share capital of the Company was
sub-divided
into 100 deferred shares of £0.000004 each; and
 
   
Each of the 20,809,854,947 ordinary shares of £0.0004 each in the issued share capital of
the
Company was
sub-divided
into and redesignated as one ordinary share of £0.000004, having the same rights and being subject to the same restrictions as the existing ordinary shares in the capital of the Company, and 99 deferred shares of £0.000004 each.
The Company’s issued share capital after the subdivision and reclassification was comprised of 20,809,854,947 ordinary shares and 3,564,222,220,053 deferred shares of £0.000004 each. The deferred shares continue to have no economic value, dividend or voting rights.
As at June 30, 2026, the Company had 4,307,855 ADSs listed on The Nasdaq Capital Market.
10. Events after the reporting period
Subsequent to June 30, 2026, the Company sold and issued 275,712 ADSs, representing 1,378,560,000 ordinary shares, under the ATM program, raising gross proceeds of £0.3 million.
As at August 13, 2026, the Company had 4,583,567 ADSs listed on The Nasdaq Capital Market.

Exhibit 99.2

MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

You should read the following discussion and analysis of financial condition and results of operations together with the unaudited condensed consolidated financial statements and the related notes to those statements included as Exhibit 99.1 to this Report on Form 6-K submitted to the Securities and Exchange Commission, or the SEC, on August 13, 2026. We also recommend that you read our discussion and analysis of financial condition and results of operations together with our audited financial statements and the notes thereto, and the section entitled “Risk Factors”, each of which appear in our Annual Report on Form 20-F for the year ended December 31, 2025 filed with the SEC on March 19, 2026 (the “Annual Report”), as well as the “Supplemental Risk Factors” filed with our Form 6-Ks from time to time with the SEC.

We present our unaudited condensed consolidated financial statements in pounds sterling and in accordance with International Accounting Standard 34, “Interim Financial Reporting,” or IAS 34, which may differ in material respects from generally accepted accounting principles in other jurisdictions, including generally accepted accounting principles in the United States, or U.S. GAAP.

Unless otherwise indicated or the context otherwise requires, all references to “NuCana,” the “Company,” “we,” “our,” “us” or similar terms refer to NuCana plc and its consolidated subsidiaries.

The statements in this discussion regarding industry outlook, our expectations regarding our future performance, liquidity and capital resources and other non-historical statements are forward-looking statements. Forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause the Company’s actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. These risks and uncertainties include, but are not limited to, the risks and uncertainties set forth in the “Risk Factors” section of our Annual Report and any subsequent reports that we file with the SEC.

Company Overview

We are a clinical-stage biopharmaceutical company focused on significantly improving treatment outcomes for patients with cancer by applying our ProTide technology to transform some of the most widely prescribed chemotherapy agents, nucleoside analogs, into more effective and safer medicines. While these conventional agents remain part of the standard of care for the treatment of many solid and hematological tumors, they have significant shortcomings that limit their efficacy and they are often poorly tolerated. Utilizing our proprietary technology, we are developing new medicines, ProTides, designed to overcome the key limitations of nucleoside analogs and generate much higher concentrations of anti-cancer metabolites in cancer cells. Our pipeline includes NUC-7738 and NUC-3373. NUC-7738 is a novel anti-cancer agent that disrupts RNA polyadenylation, profoundly impacts gene expression in cancer cells and targets multiple aspects of the tumor microenvironment. NUC-7738 is in the Phase 2 part of a Phase 1/2 trial which is evaluating NUC-7738 as a monotherapy in patients with advanced solid tumors and in combination with pembrolizumab in patients with melanoma. NUC-3373 is a targeted thymidylate synthase (“TS”) inhibitor designed to overcome key pharmacological limitations associated with other TS inhibitors. NUC-3373 has recently been evaluated in a Phase 1b/2 modular trial (NuTide:303) of NUC-3373 in combination with the PD-1 inhibitor pembrolizumab for patients with advanced solid tumors and in combination with docetaxel for patients with lung cancer, and we are currently evaluating further characterization of mode of action and target indications for further clinical studies of NUC-3373.

Financial Operations Overview

Revenues

We do not have any approved products. Accordingly, we have not generated any revenue, and we do not expect to generate any revenue from the sale of any products unless and until we obtain regulatory approvals for, and commercialize any of, our product candidates. In the future, we will seek to generate revenue primarily from product sales and, potentially, regional or global collaborations with strategic partners.

Operating Expenses

We classify our operating expenses into two categories: research and development expenses and administrative expenses. Personnel costs, including salaries, benefits, bonuses and share-based payment expense, comprise a component of each of these expense categories. We allocate expenses associated with personnel costs based on the function performed by the respective employees.


Research and Development Expenses

The largest component of our total operating expenses since our inception has been costs related to our research and development activities, including the preclinical and clinical development of our product candidates.

Research and development costs are expensed as incurred. Our research and development expense primarily consists of:

 

   

costs incurred under agreements with contract research organizations, or CROs, and investigative sites that conduct preclinical studies and clinical trials;

 

   

costs related to manufacturing active pharmaceutical ingredients and drug products for preclinical studies and clinical trials;

 

   

salaries and personnel-related costs, including bonuses, benefits and any share-based payment expense, for our personnel performing research and development activities or managing those activities that have been outsourced;

 

   

fees paid to consultants and other third parties who support our product candidate development;

 

   

costs of maintaining and defending patents;

 

   

other costs incurred in seeking regulatory approval for our product candidates; and

 

   

payments under our license agreements.

The successful development of our ProTides is highly uncertain. Product candidates in later stages of clinical development generally have higher development costs than those in earlier stages of clinical development, primarily due to the increased size and duration of later stage clinical trials. However, we do not believe that it is possible at this time to accurately project total program specific expenses through commercialization. We are also unable to predict when, if ever, material net cash inflows will commence from our product candidates to offset these expenses. Our expenditures on current and future preclinical and clinical development programs are subject to numerous uncertainties in timing and cost to completion.

The duration, costs and timing of clinical trials and development of our product candidates will depend on a variety of factors including:

 

   

the scope, rate of progress, results and expenses of our ongoing and future clinical trials, preclinical studies and research and development activities;

 

   

the potential need for additional clinical trials or preclinical studies requested by regulatory agencies;

 

   

potential uncertainties in clinical trial enrollment rates or drop-out or discontinuation rates of patients;

 

   

competition with other drug development companies in, and the related expense of, identifying and enrolling patients in our clinical trials and contracting with third-party manufacturers for the production of the drug product needed for our clinical trials;

 

   

the achievement of milestones requiring payments under in-licensing agreements;

 

   

any significant changes in government regulation;

 

   

the terms and timing of any regulatory approvals;

 

   

the expense of filing, prosecuting, defending and enforcing patent claims and other intellectual property rights; and

 

   

the ability to market, commercialize and achieve market acceptance for any of our product candidates, if approved.

We track research and development expenses on a program-by-program basis for both clinical-stage and preclinical product candidates. Where appropriate, manufacturing and non-clinical research and development expenses are assigned or allocated to individual product candidates.

Administrative Expenses

Administrative expenses consist of personnel costs, depreciation, amortization and other expenses for outside professional services, including legal, audit and accounting services. Personnel costs consist of salaries, bonuses, benefits and share-based payment expense. Other administrative expenses include office related costs, professional fees and costs of our information systems. We anticipate that our administrative expenses will continue to increase in the future as we increase our headcount to support our continued research and development and potential commercialization of our product candidates. We also incur expenses as a public company, including expenses related to compliance with the rules and regulations of the SEC and Nasdaq, additional insurance expenses, and expenses related to investor relations and other administrative and professional services.


Net Foreign Exchange (Losses) Gains

Net foreign exchange (losses) gains primarily relates to cash held in U.S. dollars.

Finance Income

Finance income relates to interest earned on our cash and cash equivalents.

Finance Expense

Finance expense relates to revaluation losses from derivative financial instruments.

Income Tax Credit

We are subject to corporate taxation in the United Kingdom and our wholly owned U.S. subsidiary, NuCana, Inc., is subject to corporate taxation in the United States. Due to the nature of our business, we have generated losses in the United Kingdom since our inception. Our income tax credit recognized represents the sum of the research and development tax credits recoverable in the United Kingdom and in the United States, and income tax payable in the United States.

As a company that carries out extensive research and development activities, we benefit from the U.K. and U.S. research and development tax credit regimes. In the United Kingdom, we are able to surrender some of our losses for a cash rebate of up to 26.97% of eligible expenditures on qualifying research and development projects incurred. In the United States, we are able to offset the research and development credits against corporation tax payable. Our qualifying expenditures in the United Kingdom largely comprise clinical trial and manufacturing costs, employment costs for relevant staff and consumables incurred as part of research and development projects. In the United Kingdom, where we receive the larger proportion of the research and development credits, certain subcontracted qualifying research and development expenditures are eligible for a cash rebate of up to 17.53%. A large proportion of costs relating to our research and development, clinical trials and manufacturing activities are currently eligible for inclusion within these tax credit cash rebate claims. Research and development expenditure on overseas subcontractors is not eligible unless certain criteria are met. Overseas subcontractor expenditure is only eligible when there are conditions present overseas which are not present in the United Kingdom and it would be ‘wholly unreasonable’ to replicate those conditions within the United Kingdom.

We may not be able to continue to claim research and development tax credits in the United Kingdom in the future under the current research and development tax credit scheme because we may no longer qualify as a R&D-intensive loss-making small or medium-sized company. However, in that scenario, we may be able to file under the merged scheme R&D expenditure credit.

Results of Operations

Comparison of the Three Months Ended June 30, 2026 and June 30, 2025

The following table summarizes the results of our operations for the three months ended June 30, 2026 and 2025.

 

    

For the Three Months Ended

June 30,

 
        2026            2025     
     (unaudited)  
     (in thousands)  
     £      £  

Research and development expenses

     (2,250      (7,104

Administrative expenses

     (1,187      (4,523

Net foreign exchange losses

     (110      (202
  

 

 

    

 

 

 

Operating loss

     (3,547      (11,829

Finance income

     134        35  

Finance expense

     —         (12,648
  

 

 

    

 

 

 

Loss before tax

     (3,413      (24,442

Income tax credit

     333        328  
  

 

 

    

 

 

 

Loss for the period

     (3,080      (24,114

Other comprehensive expense:

     

Items that may be reclassified subsequently to profit or loss:

     

Exchange differences on translation of foreign operations

     (5      (49
  

 

 

    

 

 

 

Total comprehensive loss for the period

     (3,085      (24,163
  

 

 

    

 

 

 


Research and Development Expenses

Research and development expenses were £2.3 million for the three months ended June 30, 2026 as compared to £7.1 million for the three months ended June 30, 2025.

In the three months ended June 30, 2026:

 

   

Share-based payment expenses decreased by £5.1 million primarily due to fewer options granted in the second quarter of 2026 compared with the second quarter of 2025; and

 

   

Other research and development costs increased by £0.3 million principally due to higher clinical trial costs partially offset by lower manufacturing costs.

The following table gives a breakdown of the research and development costs incurred by product candidate for the three months ended June 30, 2026 and 2025:

 

    

For the Three Months Ended

June 30,

 
        2026            2025     
     (in thousands)  
     £      £  

NUC-7738

     1,878        4,486  

NUC-3373

     300        2,295  

Acelarin

     12        127  

Other

     60        196  
  

 

 

    

 

 

 
     2,250        7,104  
  

 

 

    

 

 

 

Administrative Expenses

Administrative expenses were £1.2 million for the three months ended June 30, 2026 as compared to £4.5 million for the three months ended June 30, 2025.

In the three months ended June 30, 2026:

 

   

Share-based payment expenses decreased by £2.0 million primarily due to fewer options granted in the second quarter of 2026 compared with the second quarter of 2025; and

 

   

Other administrative expenses decreased by £1.3 million principally due to professional fees related to the issue of warrants in the three months ended June 30, 2025, with no such cost in the three months ended June 30, 2026.


Net Foreign Exchange Losses

For the three months ended June 30, 2026, we reported a net foreign exchange loss of £0.1 million as compared to a net foreign exchange loss of £0.2 million for the three months ended June 30, 2025. In the three months ended June 30, 2026, the US dollar depreciated less, relative to the UK pound sterling, compared with the three months ended June 30, 2025.

Finance Income

Finance income represents bank interest and was £0.1 million for the three months ended June 30, 2026 and £35,000 for the three months ended June 30, 2025. The increase in bank interest resulted from higher cash deposits.

Finance Expense

Finance expense relates to non-cash revaluation losses from derivative financial instruments being remeasured at fair value through profit or loss and was £nil for the three months ended June 30, 2026 as compared to £12.6 million for the three months ended June 30, 2025.

Income Tax Credit

The income tax credit for the three months ended June 30, 2026, which is largely comprised of U.K. research and development tax credits, amounted to £0.3 million as compared to £0.3 million for the three months ended June 30, 2025.

Results of Operations

Comparison of the Six Months Ended June 30, 2026 and June 30, 2025

The following table summarizes the results of our operations for the six months ended June 30, 2026 and 2025.

 

    

For the Six Months Ended

June 30,

 
        2026            2025     
     (unaudited)  
     (in thousands)  
     £      £  

Research and development expenses

     (5,463      (8,829

Administrative expenses

     (2,755      (5,590

Net foreign exchange gains (losses)

     253        (261
  

 

 

    

 

 

 

Operating loss

     (7,965      (14,680

Finance income

     277        60  

Finance expense

     —         (12,648
  

 

 

    

 

 

 

Loss before tax

     (7,688      (27,268

Income tax credit

     743        681  
  

 

 

    

 

 

 

Loss for the period

     (6,945      (26,587

Other comprehensive income (expense):

     

Items that may be reclassified subsequently to profit or loss:

     

Exchange differences on translation of foreign operations

     13        (76
  

 

 

    

 

 

 

Total comprehensive loss for the period

     (6,932      (26,663
  

 

 

    

 

 

 


Research and Development Expenses

Research and development expenses were £5.5 million for the six months ended June 30, 2026 as compared to £8.8 million for the six months ended June 30, 2025.

In the six months ended June 30, 2026:

 

   

Share-based payment expenses decreased by £4.0 million primarily due to the lower fair value of options granted in the six months ended June 30, 2026 compared with the six months ended June 30, 2025; and

 

   

Other research and development costs increased by £0.7 million principally due to higher clinical trial costs.

The following table gives a breakdown of the research and development costs incurred by product candidate for the six months ended June 30, 2026 and 2025:

 

    

For the Six Months Ended

June 30,

 
        2026            2025     
     (in thousands)  
     £      £  

NUC-7738

     4,278        5,173  

NUC-3373

     731        3,171  

Acelarin

     56        163  

Other

     398        322  
  

 

 

    

 

 

 
     5,463        8,829  
  

 

 

    

 

 

 

Administrative Expenses

Administrative expenses were £2.8 million for the six months ended June 30, 2026 as compared to £5.6 million for the six months ended June 30, 2025.

In the six months ended June 30, 2026:

 

   

Share-based payment expenses decreased by £1.4 million primarily due to the lower fair value of options granted in the six months ended June 30, 2026 compared with the six months ended June 30, 2025; and

 

   

Other administrative expenses decreased by £1.4 million principally due to professional fees related to the issue of warrants in the six months ended June 30, 2025, with no such cost in the six months ended June 30, 2026.

Net Foreign Exchange Gains (Losses)

For the six months ended June 30, 2026, we reported a net foreign exchange gain of £0.3 million as compared to a net foreign exchange loss of £0.3 million for the six months ended June 30, 2025. In the six months ended June 30, 2026, the gain arose from cash balances held in U.S. dollars and the U.S. dollar appreciating relative to the U.K. pound sterling. Conversely in the six months ended June 30, 2025, the loss arose from cash balances held in U.S. dollars and the U.S. dollar depreciating relative to the U.K. pound sterling.

Finance Income

Finance income represents bank interest and was £0.3 million for the six months ended June 30, 2026 and £0.1 million for the six months ended June 30, 2025. The increase in bank interest resulted from higher cash deposits.

Finance Expense

Finance expense relates to non-cash revaluation losses from derivative financial instruments being remeasured at fair value through profit or loss and was £nil for the six months ended June 30, 2026 as compared to £12.6 million for the six months ended June 30, 2025.

Income Tax Credit

The income tax credit for the six months ended June 30, 2026, which is largely composed of U.K. research and development tax credits, amounted to £0.7 million as compared to £0.7 million for the six months ended June 30, 2025.


Liquidity and Capital Resources

Overview

Since our inception, we have incurred significant operating losses and negative operating cash flows. We anticipate that we will continue to incur losses for at least the next several years. As a result, we will need additional capital to fund our operations, which we may obtain from additional equity financings, debt financings, research funding, collaborations, contract and grant revenue or other sources.

As of June 30, 2026 and December 31, 2025, we had cash and cash equivalents of £19.5 million and £24.3 million, respectively. We do not currently have any approved products and have never generated any revenue from product sales. To date we have financed our operations primarily through the issuances of our equity securities. We expect that our existing cash and cash equivalents will be sufficient to meet our anticipated cash requirements into 2029. However, we may need to raise additional funds if we choose to expand our current development program.

In June 2025, we entered into an ATM sales agreement with A.G.P./Alliance Global Partners, or A.G.P., and Laidlaw & Company (UK) Ltd., or Laidlaw, pursuant to which we may periodically sell ADSs having an aggregate offering price of up to $100.0 million through A.G.P. and Laidlaw acting as our agents. Sales of our ADSs pursuant to this ATM program are subject to certain conditions specified in the sales agreement. Sales under the ATM program are registered on a shelf registration statement on Form F-3 that we filed with the SEC in June 2025, and which permits the offering, issuance and sale by us of up to a maximum aggregate offering price of $150.0 million of our securities, inclusive of our ADSs sold under the ATM program. During the six months ended June 30, 2026 we sold and issued 147,584 ADSs, representing 737,920,000 ordinary shares, under the ATM program, raising gross proceeds of £0.2 million. Subsequent to June 30, 2026 and through the date hereof, we sold and issued 275,712 ADSs, representing 1,378,560,000 ordinary shares, under the ATM program, raising gross proceeds of £0.3 million.

Cash Flows Comparison of the Six Months Ended June 30, 2026 and June 30, 2025

The following table summarizes the results of our cash flows for the six months ended June 30, 2026 and 2025.

 

    

For the Six Months Ended

June 30,

 
        2026            2025     
     (unaudited)  
     (in thousands)  
     £      £  

Net cash used in operating activities

     (5,245      (7,595

Net cash from (used in) investing activities

     175        (39

Net cash from financing activities

     44        9,761  
  

 

 

    

 

 

 

Net (decrease) increase in cash and cash equivalents

     (5,026      2,127  
  

 

 

    

 

 

 

Operating Activities

Net cash used in operating activities was £5.2 million for the six months ended June 30, 2026 as compared to £7.6 million for the six months ended June 30, 2025, a net decrease in cash outflows of £2.4 million.

In the six months ended June 30, 2026:

 

   

Operating loss cash outflows were lower by £0.7 million;

 

   

Working capital inflows were £31,000 as compared to an outflow of £2.6 million in the six months ended June 30, 2025; and

 

   

No tax refund was received in the six months ended June 30, 2026 compared to a receipt of £1.0 million in the six months ended June 30, 2025.

Investing Activities

Net cash from investing activities was £0.2 million for the six months ended June 30, 2026 as compared to net cash used in investing activities of £39,000 for the six months ended June 30, 2025.

In the six months ended June 30, 2026, interest income was higher by £0.2 million.


Financing Activities

Net cash provided by financing activities was £44,000 for the six months ended June 30, 2026, compared with £9.8 million for the six months ended June 30, 2025.

In the six months ended June 30, 2026:

 

   

No proceeds were received from the issue or exercise of warrants, compared with proceeds of £8.9 million in the six months ended June 30, 2025; and

 

   

Net proceeds from the issue of share capital decreased to £0.1 million compared with £0.9 million in the six months ended June 30, 2025.

Operating and Capital Expenditure Requirements

We have not achieved profitability on an annual basis since our inception, and we expect to continue to incur net losses in the future.

We believe that our existing capital resources will be sufficient to fund our operations, including currently anticipated research and development activities and planned capital spending, into 2029. We carefully manage our capital resources and have sufficient controllable mitigating actions identified to manage our expenditure, including management of third-party expenses, such as timing of clinical trial activities, and internal resource costs.

However, our future funding requirements will depend on many factors, including but not limited to:

 

   

the scope, rate of progress and cost of our clinical trials taking place in the near term, preclinical programs and other related activities;

 

   

the extent of success in our early preclinical and clinical stage research programs, which will determine the amount of funding required to further the development of our product candidates;

 

   

the progress that we make in developing new product candidates based on our proprietary ProTide technology;

 

   

the cost of manufacturing clinical supplies and establishing commercial supplies of our product candidates and any products that we may develop;

 

   

the costs involved in filing and prosecuting patent applications and enforcing and defending potential patent claims;

 

   

the timing of receipt of our U.K. research and development tax credit cash rebates;

 

   

the outcome, timing and cost of regulatory approvals of our ProTide product candidates;

 

   

the cost and timing of establishing sales, marketing and distribution capabilities; and

 

   

the costs of hiring additional skilled employees to support our continued growth and the related costs of leasing additional office space.

Exhibit 99.3

NuCana Reports Second Quarter 2026 Financial Results and Provides Business Update

Final Data from Phase 2 Expansion Study of NUC-7738 Remains on Track for 2026

Advancing Additional Indications and Combination Strategies for NUC-7738

Cash Runway Expected to Extend into 2029

Edinburgh, United Kingdom, August 13, 2026 (GLOBE NEWSWIRE) - NuCana plc (NASDAQ: NCNA) (“NuCana” or the “Company”) today announced financial results for the second quarter ended June 30, 2026 and provided an update on its clinical development program with its two lead anti-cancer medicines.

“NuCana continues to build momentum as we advance NUC-7738 closer to several important clinical and regulatory milestones,” said Hugh S. Griffith, NuCana’s Founder and Chief Executive Officer. “We are pleased to announce that recruitment is now complete in our Phase 2 NuTide:701 expansion study evaluating NUC-7738 in combination with Keytruda® (pembrolizumab) in patients with PD-1 inhibitor-resistant metastatic melanoma. Based on the data presented to date, we remain confident in the benefit NUC-7738 may offer these patients, and we remain on track to present final data from this study later this year. Following the Investigational New Drug application (“IND”) clearance from the U.S. Food and Drug Administration (the “FDA”) earlier this year, we look forward to continuing our dialogue with the FDA to determine the optimal path toward a potential registrational strategy for NUC-7738 in melanoma.”

Mr. Griffith continued, “We believe NUC-7738’s ability to disrupt RNA polyadenylation and act on multiple aspects of the tumor microenvironment could make an impact across a broad range of tumor types. The Company continues to assess potential additional indications, subject to emerging data and portfolio prioritization.”

Mr. Griffith concluded, “None of this progress would be possible without a strong financial foundation. With cash resources anticipated to fund our operations into 2029, we have the flexibility to keep advancing our pipeline, including evaluating additional indications and combination strategies for NUC-7738 and NUC-3373. We look forward to delivering on our milestones over the remainder of 2026.”

2026 Anticipated Milestones

 

   

NUC-7738

 

   

Complete patient recruitment in the Phase 2 expansion study (NuTide:701) evaluating NUC-7738 in combination with pembrolizumab in patients with PD-1 inhibitor-resistant melanoma;

 

   

Announce final data from the Phase 2 expansion study (NuTide:701) of NUC-7738 in combination with pembrolizumab in patients with PD-1 inhibitor-resistant melanoma;

 

   

Obtain regulatory guidance from the FDA regarding a potential registrational strategy for NUC-7738 in melanoma; and

 

   

Advance evaluation of additional indications and combination strategies.

 

   

NUC-3373

 

   

Complete evaluation of optimal combinations and indications to inform potential future clinical studies of NUC-3373.


Second Quarter 2026 Financial Highlights and Cash Position

As at June 30, 2026, NuCana had cash and cash equivalents of £19.5 million compared to £21.5 million at March 31, 2026 and £24.3 million at December 31, 2025. NuCana anticipates its cash and cash equivalents at June 30, 2026 will be sufficient to fund its planned operations into 2029.

NuCana reported a net loss of £3.1 million for the quarter ended June 30, 2026, as compared to a net loss of £24.1 million for the quarter ended June 30, 2025. Basic and diluted loss per ordinary share was £0.00 for the quarter ended June 30, 2026, as compared to a loss per ordinary share of £0.00 for the comparable quarter ended June 30, 2025.

NuCana reported a net loss of £6.9 million for the six months ended June 30, 2026, as compared to a net loss of £26.6 million for the six months ended June 30, 2025. The net loss for the six months ended June 30, 2026 and for the comparable period included the following non-cash or non-recurring items:

 

   

Share-based payment expenses of £2.8 million (2025: £8.2 million);

 

   

Professional fees of £nil (2025: £1.4 million) related to the issue of warrants; and

 

   

Finance expense of £nil (2025: £12.6 million) relating to the non-cash loss on fair value revaluation of the warrants issued in the May 2025 financing.

Basic and diluted loss per ordinary share was £0.00 for the six months ended June 30, 2026, as compared to a loss per ordinary share of £0.01 for the comparable six months ended June 30, 2025.

About NuCana

NuCana is a clinical-stage biopharmaceutical company focused on significantly improving treatment outcomes for patients with cancer by applying our ProTide technology to transform some of the most widely prescribed chemotherapy agents, nucleoside analogs, into more effective and safer medicines. While these conventional agents remain part of the standard of care for the treatment of many solid and hematological tumors, they have significant shortcomings that limit their efficacy and they are often poorly tolerated. Utilizing our proprietary technology, we are developing new medicines, ProTides, designed to overcome the key limitations of nucleoside analogs and generate much higher concentrations of anti-cancer metabolites in cancer cells. NuCana’s pipeline includes NUC-7738 and NUC-3373. NUC-7738 is a novel anti-cancer agent that disrupts RNA polyadenylation, profoundly impacts gene expression in cancer cells and targets multiple aspects of the tumor microenvironment. NUC-7738 is in the Phase 2 part of a Phase 1/2 study which is evaluating NUC-7738 as a monotherapy in patients with advanced solid tumors and in combination with pembrolizumab in patients with melanoma. NUC-3373 is a targeted thymidylate synthase (“TS”) inhibitor designed to overcome key pharmacological limitations associated with other TS inhibitors. NUC-3373 has recently been evaluated in a Phase 1b/2 modular study (NuTide:303) of NUC-3373 in combination with the PD-1 inhibitor pembrolizumab for patients with advanced solid tumors and in combination with docetaxel for patients with lung cancer, and NuCana is currently evaluating further characterization of mode of action and target indications for further clinical studies of NUC-3373.

Forward-Looking Statements

This press release may contain “forward-looking” statements within the meaning of the Private Securities Litigation Reform Act of 1995 that are based on the beliefs and assumptions and on information currently available to management of the Company. All statements other than statements of historical fact contained in this press release are forward-looking statements, including statements concerning the Company’s planned and ongoing clinical studies for the Company’s product candidates and the potential advantages of those product candidates, including NUC-7738 and NUC-3373; the initiation, enrollment, timing, progress, release of data from and results of those planned and ongoing clinical studies; the Company’s goals with respect to the development, regulatory pathway and potential use, if approved, of each of its product candidates; the utility of prior non-clinical and clinical data in determining future clinical results; and the sufficiency of the Company’s current cash and cash equivalents to fund its planned operations into 2029. In some cases, you can identify forward-looking statements by terminology such as “may,” “will,” “should,” “expects,” “plans,” “anticipates,” “believes,” “estimates,” “predicts,” “potential” or “continue” or the negative of these terms or other comparable terminology. Forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause the Company’s actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. These risks and uncertainties include, but are not limited to, our ability to raise additional capital sufficient to fund our planned operations and the risks and uncertainties set forth in the “Risk Factors” section of the Company’s Annual Report on Form 20-F for the year ended December 31, 2025 filed with the Securities and Exchange Commission (“SEC”) on March 19, 2026, and subsequent reports that the Company files with the SEC. Forward-looking statements represent the Company’s beliefs and assumptions only as of the date of this press release. Although the Company believes that the expectations reflected in the forward-looking statements are reasonable, it cannot guarantee future results, levels of activity, performance or achievements. Except as required by law, the Company assumes no obligation to publicly update any forward-looking statements for any reason after the date of this press release to conform any of the forward-looking statements to actual results or to changes in its expectations.


Unaudited Condensed Consolidated Statements of Operations

 

     For the Three Months Ended
June 30,
    For the Six Months Ended
June 30,
 
        2026           2025           2026           2025     
     (in thousands, except per share data)  
     £     £     £     £  

Research and development expenses

     (2,250     (7,104     (5,463     (8,829

Administrative expenses

     (1,187     (4,523     (2,755     (5,590

Net foreign exchange (losses) gains

     (110     (202     253       (261
  

 

 

   

 

 

   

 

 

   

 

 

 

Operating loss

     (3,547     (11,829     (7,965     (14,680

Finance income

     134       35       277       60  

Finance expense

     —        (12,648     —        (12,648
  

 

 

   

 

 

   

 

 

   

 

 

 

Loss before tax

     (3,413     (24,442     (7,688     (27,268

Income tax credit

     333       328       743       681  
  

 

 

   

 

 

   

 

 

   

 

 

 

Loss for the period attributable to equity holders of the Company

     (3,080     (24,114     (6,945     (26,587
  

 

 

   

 

 

   

 

 

   

 

 

 

Basic and diluted loss per ordinary share

     (0.00     (0.00     (0.00     (0.01


Unaudited Condensed Consolidated Statements of Financial Position As At

 

         June 30,    
2026
      December 31,  
2025
 
     (in thousands)  
     £     £  

Assets

    

Non-current assets

    

Intangible assets

     2,206       2,198  

Property, plant and equipment

     622       658  

Deferred tax asset

     125       117  
  

 

 

   

 

 

 
     2,953       2,973  

Current assets

    

Prepayments, accrued income and other receivables

     829       849  

Current income tax receivable

     2,498       1,761  

Cash and cash equivalents

     19,503       24,251  
  

 

 

   

 

 

 
     22,830       26,861  
  

 

 

   

 

 

 

Total assets

     25,783       29,834  
  

 

 

   

 

 

 

Equity and liabilities

    

Capital and reserves

    

Share capital and share premium

     189,657       189,586  

Other reserves

     84,352       87,075  

Accumulated deficit

     (253,749     (252,334
  

 

 

   

 

 

 

Total equity attributable to equity holders of the Company

     20,260       24,327  
  

 

 

   

 

 

 

Non-current liabilities

    

Provisions

     58       58  

Lease liabilities

     637       656  
  

 

 

   

 

 

 
     695       714  

Current liabilities

    

Trade payables

     450       522  

Payroll taxes and social security

     125       99  

Accrued expenditure

     4,218       4,152  

Lease liabilities

     35       20  
  

 

 

   

 

 

 
     4,828       4,793  

Total liabilities

     5,523       5,507  
  

 

 

   

 

 

 

Total equity and liabilities

     25,783       29,834  
  

 

 

   

 

 

 


Unaudited Condensed Consolidated Statements of Cash Flows

 

     For the Six Months Ended
June 30,
 
        2026           2025     
     (in thousands)  
     £     £  

Cash flows from operating activities

    

Loss for the period

     (6,945     (26,587

Adjustments for:

    

Income tax credit

     (743     (681

Amortization and depreciation

     139       136  

Movement in provisions

     —        (40

Finance income

     (277     (60

Finance expense

     —        12,648  

Interest expense on lease liabilities

     25       5  

Share-based payments

     2,794       8,247  

Net foreign exchange (gains) losses

     (269     387  
  

 

 

   

 

 

 
     (5,276     (5,945
    

Movements in working capital:

    

Decrease (increase) in prepayments, accrued income and other receivables

     10       (113

Decrease in trade payables

     (72     (1,607

Increase (decrease) in payroll taxes, social security and accrued expenditure

     93       (929
  

 

 

   

 

 

 

Movements in working capital

     31       (2,649
  

 

 

   

 

 

 

Cash used in operations

     (5,245     (8,594
  

 

 

   

 

 

 

Net income tax received

     —        999  
  

 

 

   

 

 

 

Net cash used in operating activities

     (5,245     (7,595
  

 

 

   

 

 

 

Cash flows from investing activities

    

Interest received

     286       57  

Payments for intangible assets

     (111     (96
  

 

 

   

 

 

 

Net cash from (used in) investing activities

     175       (39
  

 

 

   

 

 

 

Cash flows from financing activities

    

Payments for lease liabilities

     (27     (41

Proceeds from exercise of share options

     —        1  

Proceeds from issue of share capital

     206       1,222  

Proceeds from exercise of warrants

     —        4,436  

Proceeds from issue of warrants

     —        4,439  

Share issue expenses

     (135     (296
  

 

 

   

 

 

 

Net cash from financing activities

     44       9,761  
  

 

 

   

 

 

 

Net (decrease) increase in cash and cash equivalents

     (5,026     2,127  

Cash and cash equivalents at beginning of period

     24,251       6,749  
  

 

 

   

 

 

 

Effect of exchange rate changes on cash and cash equivalents

     278       (433
  

 

 

   

 

 

 

Cash and cash equivalents at end of period

     19,503       8,443  
  

 

 

   

 

 

 


For more information, please contact:

NuCana plc

Hugh S. Griffith

Chief Executive Officer

+44 131-357-1111

info@nucana.com

ICR Healthcare

Chris Brinzey

+1 339-970-2843

Chris.Brinzey@ICRHealthcare.com

Filing Exhibits & Attachments

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