Revised transaction values Metsera at up to $86.25 per share Metsera's Board of Directors unanimously recommends that Metsera stockholders approve the adoption of the amended Pfizer merger agreement and approve the merger with Pfizer Transaction creates real, certain and immediate value for Metsera's stockholders and ensures Metsera's important drug candidates can emerge as key competitors available to all patients NEW YORK... Read More

NEW YORK , Nov. 5, 2025 /PRNewswire/ -- Metsera, Inc. (NASDAQ: MTSR) ("Metsera" or the "Company") today issued the following statement in response to a ruling in the litigation filed against the Company by Pfizer: "Metsera is gratified by the Delaware Court of Chancery's decision to deny Pfizer's request for a temporary restraining order to block Metsera's Board of Directors from acting in the best interests of shareholders.... Read More

In the news release, Metsera Receives Amended Proposal from Novo Nordisk; Metsera Declares Novo Nordisk Amended Proposal "Superior", issued 04-Nov-2025 by Metsera, Inc. over PR Newswire, we are advised by the company that the second paragraph, third sentence, should begin "Shortly thereafter,..." rather than "On the same day,...", and the third paragraph, first sentence, should read "...representing up to $24.00 per share in... Read More

Novo Nordisk Amended Proposal Values Metsera at up to $86.20 per Share, a Total of Approximately $10.0 Billion Superior to Revised Pfizer Proposal that Valued Metsera at up to $70.00 per Share, a Total of Approximately $8.1 Billion Pursuant to Pfizer Merger Agreement, Metsera and Pfizer May Negotiate Potential Adjustments for Two Business Days Pfizer Merger Agreement Remains in Effect; No Action Required by Metsera... Read More

NEW YORK , Oct. 31, 2025 /PRNewswire/ -- Metsera, Inc. (NASDAQ: MTSR) ("Metsera" or the "Company") today issued the following statement in response to litigation filed against the Company by Pfizer: "Metsera disagrees with the allegations in Pfizer's complaint and will address them in the Delaware Court of Chancery." Disclosure Notice This release contains forward-looking information about, among other topics, Pfizer's... Read More

Metsera Declares Novo Nordisk Proposal "Superior" Novo Nordisk Proposal Values Metsera at up to $77.75 per Share, a Total of Approximately $9 Billion Pursuant to Pfizer Merger Agreement, Metsera and Pfizer May Negotiate Potential Adjustments to Existing Transaction Pfizer Merger Agreement Remains in Effect; No Action Required by Metsera Shareholders NEW YORK , Oct. 30, 2025 /PRNewswire/ -- Metsera, Inc. (NASDAQ: MTSR)... Read More

Placebo-subtracted mean weight loss up to 14.1% after 28 weeks with no plateau Potential for best-in-class tolerability with minimal diarrhea signal, 13% nausea, and 11% vomiting High study and treatment retention in both VESPER-1 and VESPER-3 trials Data support Phase 3 initiation in late 2025 NEW YORK, Sept. 29, 2025 (GLOBE NEWSWIRE) -- Metsera, Inc. (Nasdaq: MTSR), today announced positive topline data from VESPER-1 and... Read More

NEW YORK, Sept. 11, 2025 (GLOBE NEWSWIRE) -- Metsera, Inc. (Nasdaq: MTSR), a clinical-stage biopharmaceutical company accelerating the next generation of medicines for obesity and metabolic diseases, will present clinical and preclinical data from its portfolio of next-generation ultra-long acting, scalable, and combinable therapies at the 61 st Annual Meeting of the European Association for the Study of Diabetes (EASD) held... Read More

NEW YORK, Aug. 27, 2025 (GLOBE NEWSWIRE) -- Metsera, Inc. (Nasdaq: MTSR) (“Metsera” or the “Company”), a clinical-stage biopharmaceutical company accelerating the next generation of medicines for obesity and metabolic diseases, today announced that Whit Bernard, its Chief Executive Officer, will present at the following investor conferences: Cantor Global Healthcare Conference 2025 Wednesday, September 3 3:20 – 3:50 P.M. EDT... Read More

MET-097i (fully biased once-monthly GLP-1 RA) VESPER-1 and interim VESPER-3 data release expected in September 2025; Phase 3 initiation on track for late 2025 MET-233i (once-monthly amylin analog) delivered class-leading Phase 1 results including 8.4% five-week weight loss and 19-day half-life; 12-week monotherapy data expected in late 2025 MET-233i + MET-097i 12-week co-administration data expected by year-end 2025 or early... Read More

NEW YORK, June 10, 2025 (GLOBE NEWSWIRE) -- Metsera, Inc. (Nasdaq: MTSR) (“Metsera” or the “Company”), a clinical-stage biopharmaceutical company accelerating the next generation of medicines for obesity and metabolic diseases, today announced that Whit Bernard, its Chief Executive Officer, will present at the Goldman Sachs 46th Annual Global Healthcare Conference on Wednesday, June 11 at 10:00 – 10:35 A.M. EDT. A live... Read More

Placebo-subtracted mean weight loss up to 8.4% at Day 36 19-day observed half-life supports once-monthly dosing as monotherapy and potential first-in-category monthly GLP-1 + Amylin combination Well-tolerated with no safety signals Company to host conference call and webcast today at 8:00 A.M. ET NEW YORK, June 09, 2025 (GLOBE NEWSWIRE) -- Metsera, Inc. (Nasdaq: MTSR), today announced positive topline data from the Phase 1... Read More

Four presentations on MET-097i, a fully biased, monthly, ultra-long acting GLP-1 receptor agonist, including two clinical data presentations Additional preclinical presentations on other differentiated portfolio assets, including MET-233i, a monthly, ultra-long acting amylin analog NEW YORK, June 05, 2025 (GLOBE NEWSWIRE) -- Metsera, Inc. (Nasdaq: MTSR), a clinical-stage biopharmaceutical company accelerating the next... Read More

MET-097i, a fully biased, monthly, ultra-long acting GLP-1 receptor agonist, is in three ongoing VESPER Phase 2b trials, with data from VESPER-1 expected in mid-2025 MET-233i, a monthly, ultra-long acting amylin analog, is in Phase 1 trials as a monotherapy and co-administered with MET-097i, with five-week monotherapy data expected in Q2 2025 MET-097 o , an oral formulation of MET-097i, has been accelerated and alternate... Read More

NEW YORK, May 08, 2025 (GLOBE NEWSWIRE) -- Metsera, Inc. (Nasdaq: MTSR) (“Metsera” or the “Company”), a clinical-stage biopharmaceutical company accelerating the next generation of medicines for obesity and metabolic diseases, today announced that Whit Bernard, its Chief Executive Officer, will present at the Bank of America 2025 Global Healthcare Conference on Wednesday, May 14 at 2:20 - 2:35 P.M. PDT (5:20 – 5:35 P.M.... Read More

MET-097i, a fully biased, monthly, ultra-long acting GLP-1 receptor agonist, is being studied in multiple Phase 2b clinical trials with read-outs beginning mid-2025 Multiple data readouts in mid and late 2025 on track for MET-233i, an ultra-long acting amylin analog currently in Phase 1 Oral formulation optimization study on track to support initiation of clinical trials for MET-224 o and MET097 o , with MET-224 o data... Read More

NEW YORK, Feb. 26, 2025 (GLOBE NEWSWIRE) -- Metsera, Inc. (Nasdaq: MTSR) (“Metsera” or the “Company”), a clinical-stage biopharmaceutical company accelerating the next generation of medicines for obesity and metabolic diseases, today announced that Whit Bernard, its Chief Executive Officer, will present at TD Cowen’s 45th Annual Health Care Conference on Tuesday, March 4, 2025, from 1:10 – 1:40 p.m. ET. A live webcast of the... Read More

NEW YORK, Feb. 05, 2025 (GLOBE NEWSWIRE) -- Metsera, Inc. (Nasdaq: MTSR) (“Metsera”), a clinical-stage biotechnology company developing next-generation injectable and oral nutrient stimulated hormone (NuSH) analog peptides to treat obesity, overweight and related conditions, announced the closing of its initial public offering of 15,277,778 shares of its common stock, at an initial public offering price of $18.00 per share,... Read More

NEW YORK, Jan. 30, 2025 (GLOBE NEWSWIRE) -- Metsera, Inc. (Nasdaq: MTSR) (“Metsera”), a clinical-stage biotechnology company developing next-generation injectable and oral nutrient stimulated hormone (NuSH) analog peptides to treat obesity, overweight and related conditions, today announced the pricing of its initial public offering of 15,277,778 shares of its common stock at a price to the public of $18.00 per share. All of... Read More