Boundless Bio (Nasdaq: BOLD) Q1 2026 results and $92.8M cash runway
Rhea-AI Filing Summary
Boundless Bio reported first quarter 2026 results and progress on its lead oncology program BBI-940. Enrollment is ongoing in KOMODO-1, a first-in-human trial in specific breast cancer subtypes, supported by preclinical data presented at the 2026 AACR meeting showing Kinesin degradation can reduce ecDNA and drive tumor regression in ecDNA+ models.
Cash, cash equivalents, and short-term investments were $92.8 million as of March 31, 2026, and the company expects this to fund operations into the second half of 2028. R&D expenses were $9.7 million versus $12.1 million a year earlier, and G&A expenses were $4.7 million versus $5.2 million.
Net loss for the quarter was $13.6 million compared with $15.8 million in 2025, or $0.60 per share basic and diluted versus $0.71. Total assets were $141.0 million and stockholders’ equity was $85.0 million as of March 31, 2026.
Positive
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8-K Event Classification
Key Figures
Key Terms
extrachromosomal DNA (ecDNA) medical
KOMODO-1 medical
Kinesin degrader medical
ecDNA-directed therapeutic candidate (ecDTx) medical
triple-negative breast cancer luminal androgen receptor subtype (TNBC-LAR) medical
fulvestrant medical
Earnings Snapshot
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
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Securities registered pursuant to Section 12(b) of the Act:
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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
Item 2.02 Results of Operations and Financial Condition.
On May 8, 2026, Boundless Bio, Inc. (the Company) issued a press release announcing its financial results for the quarter ended March 31, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed “filed” for 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 under the Securities Act of 1933, as amended, or the Exchange Act, whether made before or after the date hereof and regardless of any general incorporation by reference language in any such filing, unless the Company specifically states in such filing that such information, or a portion thereof, is to be considered “filed” rather than furnished or incorporated by reference therein.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
Exhibit Number |
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Description |
99.1 |
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Press Release Issued on May 8, 2026 |
104 |
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Cover Page Interactive Data File (embedded within the Inline XBRL document) |
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 hereunto duly authorized.
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BOUNDLESS BIO, INC. |
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Date: |
May 8, 2026 |
By: |
/s/ Jessica Oien |
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Name: Jessica Oien |
Exhibit 99.1
Boundless Bio Reports First Quarter 2026
Financial Results and Business Highlights
Enrollment proceeding in KOMODO-1 first-in-human clinical trial of BBI-940
$93 million in cash provides runway through expected clinical proof-of-concept
readout for KOMODO-1
SAN DIEGO, May 8, 2026 – Boundless Bio (Nasdaq: BOLD), a clinical-stage oncology company interrogating extrachromosomal DNA (ecDNA) biology to deliver transformative therapies to patients with previously intractable oncogene amplified cancers, today announced financial results and business highlights for the fiscal quarter ended March 31, 2026.
“We are encouraged by the progress of the KOMODO-1 trial," said Zachary Hornby, President and Chief Executive Officer of Boundless Bio. “We continue to expand the body of evidence supporting BBI-940’s kinesin degradation mechanism, with our recent AACR poster demonstrating anti-tumor activity and tumor regression across multiple ecDNA+ cancer models. These findings further strengthen our confidence in the therapeutic potential of BBI-940 as we advance the program through a first-in-human clinical trial.”
Business Highlights and Upcoming Milestones
BBI-940 Novel Kinesin Degrader Clinical Program
Validating Kinesin Degradation Data Presented at 2026 AACR Annual Meeting
First Quarter 2026 Financial Results
About Boundless Bio
Boundless Bio is a clinical-stage oncology company dedicated to unlocking a new paradigm in cancer therapeutics that addresses the significant unmet need in patients with oncogene amplified tumors. Boundless Bio’s research focuses on extrachromosomal DNA (ecDNA), a root cause of oncogene amplification observed in 14% to 17% of cancer patients. Boundless Bio is developing BBI-940, a potentially first-in-class, oral, selective Kinesin degrader as an ecDNA-directed therapeutic candidate (ecDTx). Boundless Bio is headquartered in San Diego, California.
For more information, visit https://boundlessbio.com/and follow us on LinkedIn and X.
Forward-Looking Statements
Boundless Bio, Inc. (the Company) cautions you that statements contained in this press release that are not a description of historical facts are forward-looking statements. In some cases, you can identify forward-looking statements by terms such as “anticipate,” “believe,” “contemplate,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “would,” “target,” or “will” or the negative of these terms or other similar expressions. Forward-looking statements are based on the Company’s current beliefs and expectations and include but are not limited to statements regarding: plans to continue enrollment in and advance the KOMODO-1 trial through initial clinical proof-of-concept data; the expected timing of an initial clinical proof-of-concept readout from the KOMODO-1 trial; the significance of data from preclinical studies of BBI-940; the Company’s cash runway and the sufficiency thereof to fund operations through the anticipated initial clinical proof-of-concept readout from the KOMODO-1 trial; the potential safety and therapeutic benefits of BBI-940 as a monotherapy and in combination with fulvestrant; and BBI-940’s potential to become a first-in-class drug product. The Company’s actual results and performance may differ materially from those expressed or implied in any forward-looking statement due to substantial known and unknown risks and uncertainties, including, without limitation: potential delays in the enrollment, data readouts, or completion of clinical trials or in regulatory submissions and responses; the Company may use its capital resources sooner than it expects; the Company may be unable to obtain necessary additional funding when needed, on acceptable terms, or at all; the Company is early in its development efforts and its approach to discover and develop ecDTx to treat oncogene
amplified cancers is novel and unproven; clinical and preclinical development of therapeutics involves a lengthy and expensive process with inherently uncertain timelines and outcomes; results from preclinical studies or early clinical trials not necessarily being predictive of future results; unexpected adverse side effects or other safety risks or inadequate efficacy of the Company’s ecDTx that may delay or limit their development, regulatory approval, and/or commercialization; the Company’s ability to retain key personnel; the Company’s dependence on third parties in connection with clinical trials, preclinical studies, and manufacturing; the Company may expend its limited resources to pursue a particular ecDTx or combination therapy and fail to capitalize on ecDTx with greater development or commercial potential; the potential for the Company’s programs and prospects to be negatively impacted by developments relating to its competitors, including the results of studies or regulatory determinations relating to its competitors; regulatory and healthcare reform developments in the United States and foreign countries; disruptions or changes at the U.S. Food and Drug Administration (FDA) or other government agencies that limit the FDA’s ability to perform routine activities or function in the normal course or impact the regulatory approval pathway or commercial potential for the Company’s ecDTx; the Company’s ability to obtain, maintain, defend, and enforce patent or other intellectual property protection for its ecDTx and technology; macroeconomic and geopolitical events and conditions, including international trade policies and tariffs, military conflicts, inflation, supply chain disruptions, market volatility, slowed economic growth or recession; and other risks described in the Company’s filings with the Securities and Exchange Commission (SEC), including under the heading “Risk Factors” in the Company’s annual report on Form 10-K for the year ended December 31, 2025 and any subsequent filings with the SEC. You are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date hereof, and, except as required by law, the Company undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date hereof. All forward-looking statements are qualified in their entirety by this cautionary statement, which is made under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995.
Investor Contacts:
James Lee, Boundless Bio
jlee@boundlessbio.com
Jon Nugent, THRUST
jon@thrustsc.com
Media Contact:
Carly Scaduto, THRUST
carly@thrustsc.com
BOUNDLESS BIO, INC. |
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Financial Information (Unaudited) |
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Condensed Statements of Operations Data: |
Three months ended |
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(In thousands, except per share amounts) |
2026 |
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2025 |
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Operating expenses: |
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Research and development |
$ |
9,734 |
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$ |
12,138 |
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General and administrative |
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4,741 |
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5,203 |
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Total operating expenses |
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14,475 |
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17,341 |
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Loss from operations |
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(14,475 |
) |
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(17,341 |
) |
Other income, net: |
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Interest income |
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920 |
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1,585 |
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Other expense |
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— |
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(2 |
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Total other income, net |
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920 |
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1,583 |
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Net loss |
$ |
(13,555 |
) |
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$ |
(15,758 |
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Net loss per share, basic and diluted |
$ |
(0.60 |
) |
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$ |
(0.71 |
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Weighted-average shares used in calculation |
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22,407 |
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22,300 |
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Condensed Balance Sheet Data: |
March 31, |
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December 31, |
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(In thousands) |
2026 |
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2025 |
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Cash, cash equivalents, and short-term investments |
$ |
92,847 |
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$ |
107,581 |
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Total assets |
$ |
140,970 |
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$ |
157,059 |
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Total liabilities |
$ |
54,587 |
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$ |
58,405 |
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Accumulated deficit |
$ |
273,224 |
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$ |
259,669 |
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Total stockholders' equity |
$ |
85,033 |
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$ |
97,074 |
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Working capital (1) |
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__________ |
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(1) We define working capital as current assets less current liabilities. |
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