Silence Therapeutics Highlights Recent Business Achievements and Reports First Quarter 2026 Financial Results

Key Terms

sirna medical

Small interfering RNA (siRNA) is a short strand of genetic material that binds to and destroys the messenger RNA that carries instructions for making a specific protein, effectively switching that gene off. Investors care because siRNA is a platform for precise medicines: successful trials or approvals can create high-value drugs, while delivery challenges, manufacturing complexity, patent positions and regulatory risk can sharply affect a biotech company's prospects.

polycythemia vera medical

A rare, long-term blood disorder in which the body makes too many red blood cells, thickening the blood and raising the risk of clots, bleeding, fatigue and other complications. Think of it like a faucet left partially open that slowly overfills a sink — the excess cells create strain and danger over time. Investors care because the condition drives demand for diagnostics, treatments and ongoing care, influences clinical trial and regulatory outcomes, and can affect revenue and costs for drugmakers, hospitals and insurers.

galnac conjugated sirna medical

GalNAc-conjugated siRNA is a small piece of genetic material designed to silence a specific gene, chemically linked to a sugar molecule (GalNAc) that acts like an address label directing the therapy to liver cells. For investors, this matters because the targeted delivery can increase effectiveness, reduce side effects, and simplify dosing, making therapies for liver-related diseases more commercially attractive and potentially lowering development risk compared with untargeted approaches.

double-blind, placebo-controlled medical

A clinical trial design in which participants are randomly assigned to receive either the experimental treatment or an inactive substitute (a placebo), and neither the participants nor the researchers know who is receiving which. This setup limits bias and makes it far easier to tell whether a drug or intervention truly works, similar to a blind taste test, so results carry more weight for regulatory decisions and for investors assessing a product’s commercial prospects.

atherogenic lipoproteins medical

Particles in the blood that carry cholesterol and other fats and that promote buildup of fatty plaque in artery walls; the term highlights their role in causing atherosclerosis, the process that can lead to heart attacks and strokes. Investors watch levels and therapies targeting these particles because changes can affect demand for drugs, medical devices, insurance costs and regulatory approvals, and can influence the financial outlook of healthcare and life-science companies.

angptl3 medical

ANGPTL3 is a naturally occurring protein that helps regulate how the body processes blood fats such as cholesterol and triglycerides; think of it as a switch that slows the clearance of fat particles from the bloodstream. Investors care because drugs or genetic therapies that block ANGPTL3 can sharply lower harmful blood lipids, which can reshape demand for cholesterol treatments and affect companies developing those therapies or competing products.

american depositary shares financial

American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.

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Phase 2 SANRECO trial of divesiran, a first-in-class siRNA for polycythemia vera (PV), on-track for topline results in August 2026

LONDON--(BUSINESS WIRE)-- Silence Therapeutics plc, Nasdaq: SLN (“Silence” or “the Company”), a global clinical-stage company developing novel siRNA (short interfering RNA) therapies, today reported its financial results for the first quarter ended March 31, 2026, and provided an update on recent business achievements.

“The Silence team continues to advance research supporting the broad potential of our mRNAi GOLD™ platform, and we remain well positioned as we approach a significant company milestone,” said Iain Ross, Chairman and Interim Principal Executive Officer at Silence. “With Phase 2 topline results in PV expected this August, our team remains focused on progressing divesiran and delivering long‑term value for patients and shareholders.”

Business Highlights

Divesiran: First-in-class siRNA for PV

• SANRECO Phase 1 study abstract accepted for poster presentation at the European Hematology Association (EHA) 2026 Annual Congress taking place June 11-14, 2026.
  • Divesiran, A Novel GalNac Conjugated SiRNA, Reduces Phlebotomies, Improves Iron Stores and Symptoms in Polycythemia Vera Patients in SANRECO Phase 1 Study
    Abstract #PF886, Poster Session 1 on Friday, June 12 (6:45-7:45 p.m. EST)

• SANRECO Phase 2 double-blind, placebo-controlled study evaluating divesiran 6 mg (Q6W and Q12W dosing intervals) in 48 phlebotomy-dependent PV patients is ongoing with topline results on-track for August 2026.

SLN312 (AZD1705): Phase 1 siRNA with a competitive profile for dyslipidemia

• Phase 1 study abstract accepted for late-breaking oral presentation at the European Atherosclerosis Society (EAS) Congress taking place May 24-27, 2026.
  • Liver-Targeted ANGPTL3 Silencing with AZD1705 Lowers Atherogenic Lipoproteins: Preclinical Validation and Phase 1 Results
    Abstract #1610, Late Breaker Clinical Abstracts Session on Tuesday, May 26 (3:45–5:15pm EST)

First Quarter 2026 Financial Results

• Cash Position: Cash, cash equivalents, and short-term investments were $70.1 million as of March 31, 2026. This includes cash and cash equivalents of $5.7 million and short-term investments of $64.4 million.
• Collaboration Revenue: Collaboration revenue recognized under our agreement with AstraZeneca was $0.4 million for the three months ended March 31, 2026, compared to $0.1 million for the three months ended March 31, 2025.
• R&D Expenses: Research and development (R&D) expenses were $9.1 million for the three months ended March 31, 2026, compared to $20.8 million for the three months ended March 31, 2025. The decrease is largely due to the zerlasiran Phase 3 readiness being completed in 2025.
• G&A Expenses: General and administrative (G&A) expenses were $7.0 million for the three months ended March 31, 2026, compared to $7.7 million for the three months ended March 31, 2025.
• Net Loss: Net loss was $15.0 million, or $0.11 basic and diluted net loss per share for the three months ended March 31, 2026, compared to a net loss of $28.5 million, or $0.20 basic and diluted net loss per share for the three months ended March 31, 2025.
• Total outstanding shares were 141,703,840 ordinary shares (including shares in the form of American Depositary Shares) as of March 31, 2026.

About Silence Therapeutics

Silence Therapeutics is a global clinical-stage biotechnology company committed to transforming people’s lives by silencing diseases through precision engineered medicines created with proprietary siRNA (short interfering RNA) technology. Silence leverages its mRNAi GOLD™ platform to create innovative siRNA therapies designed to precisely target and silence genes that cause disease. The Company is advancing a growing pipeline of siRNA product candidates targeting areas of high unmet need across rare and common diseases where treatments are limited or inadequate. For more information, please visit https://www.silence-therapeutics.com/.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. In some cases, you can identify forward-looking statements by terminology such as “aim,” “anticipate,” “assume,” “believe,” “contemplate,” “continue,” “could,” “design,” “due,” “estimate,” “expect,” “goal,” “intend,” “may,” “objective,” “plan,” “positioned,” “potential,” “predict,” “seek,” “should,” “target,” “will,” “would” and other similar expressions that are predictions of or indicate future events and future trends, or the negative of these terms or other comparable terminology. All statements other than statements of historical facts contained in this press release are forward-looking statements. These forward-looking statements include, but are not limited to, statements about: the Company’s business strategy and plans, including the Company’s clinical development activities and timelines; the potential therapeutic benefits of the Company’s product candidates; the anticipated timing of initial topline and future results from the SANRECO Phase 2 trial; the Company’s ability to deliver long-term value; and the Company’s ability to advance additional candidates from its mRNAi GOLD™ platform. Forward-looking statements are not guarantees of future performance and are subject to risks and uncertainties that could cause actual results and events to differ materially from those anticipated, including, but not limited to, risks and uncertainties related to: the company’s history of net operating losses; the company’s ability to obtain necessary capital to fund its clinical programs; the early stages of clinical development of the company’s product candidates; the company’s ability to obtain regulatory approval of and successfully commercialize its product candidates either on its own or with potential partners; any undesirable side effects or other properties of the company’s product candidates; the company’s reliance on third-party suppliers and manufacturers; the outcomes of any future collaboration agreements; and the company’s ability to adequately maintain intellectual property rights for its product candidates. These and other risks are described in greater detail under the section titled “Risk Factors” contained in the company’s Annual Report on Form 10-K and Quarterly Reports on Form 10-Q and the company’s other filings with the SEC. Any forward-looking statements that the Company makes in this press release are made pursuant to the Private Securities Litigation Reform Act of 1995, as amended, and speak only as of the date of this press release. Except as required by law, the company undertakes no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.

Silence Therapeutics plc
Condensed Consolidated Balance Sheets
(Unaudited, in thousands, except share and per share data)
			March 31, 2026				December 31, 2025
Current assets
Cash and cash equivalents			$	5,657			$	11,277
Short-term investments				64,421				73,837
R&D benefit receivable				22,216				22,007
Other current assets				10,558				11,537
Trade receivables				-				-
Total current assets				102,852				118,658
Property, plant and equipment				1,396				1,581
Operating lease right-of-use assets				142				167
Goodwill				10,358				10,621
Other intangible assets				248				288
Other long-term assets				127				127
Total assets			$	115,123			$	131,442
Current liabilities
Contract liabilities			$	-			$	(168	)
Trade and other payables				(10,367	)			(13,356	)
Operating lease liabilities, current				(93	)			(89	)
Total current liabilities				(10,460	)			(13,613	)
Contract liabilities				(55,218	)			(55,454	)
Operating lease liabilities				(43	)			(71	)
Total liabilities			$	(65,721	)		$	(69,138	)
Commitments and contingencies (Note 11)
Shareholders’ equity
Ordinary shares - par value £0.05 per share; 141,703,840 shares issued at March 31, 2026 (December 31, 2025: 141,701,848)				(10,290	)			(10,290	)
Additional paid-in capital				(620,006	)			(617,562	)
Accumulated deficit				577,526				562,572
Accumulated other comprehensive loss				3,368				2,976
Total shareholders' equity				(49,402	)			(62,304	)
Total liabilities and shareholders' equity			$	(115,123	)		$	(131,442	)

Silence Therapeutics plc
Condensed Consolidated Statements of Operations
(Unaudited, in thousands, except share and per share data)
			Three months ended March 31,
			2026				2025
Revenue			$	422			$	142
Cost of sales				(11	)			(54	)
Gross profit				411				88
Research and development costs				(9,122	)			(20,813	)
General and administrative expenses				(7,026	)			(7,684	)
Operating loss				(15,737	)			(28,409	)
Foreign currency gain/(loss), net				(482)				(3,769	)
Other income, net				571				969
Benefit from R&D credit				691				2,679
Loss before income tax expense				(14,957	)			(28,530	)
Income tax expense				-				-
Net Loss			$	(14,957	)		$	(28,530	)
Loss per share (basic and diluted)			$	(0.11	)		$	(0.20	)
Weighted average shares outstanding (basic and diluted)				141,702,578				141,678,734

 

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Inquiries:

Silence Therapeutics plc
Gem Hopkins, VP, IR and Corporate Communications
ir@silence-therapeutics.com
Tel: +1 (646) 637-3208

Source: Silence Therapeutics plc