http://www.streetinsider.com Latest StreetInsider.com News Articles en-us Copyright 2025, StreetInsider.com rss@streetinsider.com (SI RSS) rss@streetinsider.com (SI RSS) Mon, 24 Nov 2025 11:16:00 -0500 http://blogs.law.harvard.edu/tech/rss http://www.streetinsider.com/images/rss_logo.gif http://www.streetinsider.com 143 28 0 1 2 3 21 22 23 Saturday Sunday http://www.streetinsider.com/SEC+Filings/Form++15-12G+++++Metsera%2C+Inc.++++++++++++++++++++++++/25653424.html si-local-file:///var/storage/secattach/20251124/25653424.html http://www.streetinsider.com/SEC+Filings/Form++15-12G+++++Metsera%2C+Inc.++++++++++++++++++++++++/25653424.html Mon, 24 Nov 2025 11:16:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++SCHEDULE+13GA++Metsera%2C+Inc.++++++++++++++++++++++++++Filed+by%3A+FMR+LLC/25624504.html si-local-file:///var/storage/secattach/20251117/25624504.html http://www.streetinsider.com/SEC+Filings/Form++SCHEDULE+13GA++Metsera%2C+Inc.++++++++++++++++++++++++++Filed+by%3A+FMR+LLC/25624504.html Mon, 17 Nov 2025 14:00:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+FMR+LLC/25624475.html si-local-file:///var/storage/secattach/20251117/25624475.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+FMR+LLC/25624475.html Mon, 17 Nov 2025 13:51:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+ARCH+Venture+Partners+XIII%2C+LLC/25619751.html si-local-file:///var/storage/secattach/20251114/25619751.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+ARCH+Venture+Partners+XIII%2C+LLC/25619751.html Fri, 14 Nov 2025 18:34:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++SCHEDULE+13DA++Metsera%2C+Inc.++++++++++++++++++++++++++Filed+by%3A+ARCH+Venture+Fund+XII%2C+L.P./25619709.html si-local-file:///var/storage/secattach/20251114/25619709.html http://www.streetinsider.com/SEC+Filings/Form++SCHEDULE+13DA++Metsera%2C+Inc.++++++++++++++++++++++++++Filed+by%3A+ARCH+Venture+Fund+XII%2C+L.P./25619709.html Fri, 14 Nov 2025 18:22:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++SCHEDULE+13G++Metsera%2C+Inc.++++++++++++++++++++++++++Filed+by%3A+JANUS+HENDERSON+GROUP+PLC/25613222.html si-local-file:///var/storage/secattach/20251114/25613222.html http://www.streetinsider.com/SEC+Filings/Form++SCHEDULE+13G++Metsera%2C+Inc.++++++++++++++++++++++++++Filed+by%3A+JANUS+HENDERSON+GROUP+PLC/25613222.html Fri, 14 Nov 2025 10:30:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++SCHEDULE+13GA++Metsera%2C+Inc.++++++++++++++++++++++++++Filed+by%3A+Population+Health+Partners+GP%2C+LLC/25609538.html si-local-file:///var/storage/secattach/20251113/25609538.html http://www.streetinsider.com/SEC+Filings/Form++SCHEDULE+13GA++Metsera%2C+Inc.++++++++++++++++++++++++++Filed+by%3A+Population+Health+Partners+GP%2C+LLC/25609538.html Thu, 13 Nov 2025 21:43:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+BERNS+PAUL+L/25609518.html si-local-file:///var/storage/secattach/20251113/25609518.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+BERNS+PAUL+L/25609518.html Thu, 13 Nov 2025 21:20:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Marso+Steven/25609519.html si-local-file:///var/storage/secattach/20251113/25609519.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Marso+Steven/25609519.html Thu, 13 Nov 2025 21:20:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Lang+Matthew/25609520.html si-local-file:///var/storage/secattach/20251113/25609520.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Lang+Matthew/25609520.html Thu, 13 Nov 2025 21:20:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Population+Health+Partners+GP%2C+LLC/25609510.html si-local-file:///var/storage/secattach/20251113/25609510.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Population+Health+Partners+GP%2C+LLC/25609510.html Thu, 13 Nov 2025 21:15:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Burow+Kristina/25609504.html si-local-file:///var/storage/secattach/20251113/25609504.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Burow+Kristina/25609504.html Thu, 13 Nov 2025 21:10:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+11++Filed+by%3A+Validae+Health%2C+L.P./25609499.html si-local-file:///var/storage/secattach/20251113/25609499.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+11++Filed+by%3A+Validae+Health%2C+L.P./25609499.html Thu, 13 Nov 2025 21:05:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+MEANWELL+CLIVE/25609483.html si-local-file:///var/storage/secattach/20251113/25609483.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+MEANWELL+CLIVE/25609483.html Thu, 13 Nov 2025 21:00:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Bernard+Christopher+Whitten/25609484.html si-local-file:///var/storage/secattach/20251113/25609484.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Bernard+Christopher+Whitten/25609484.html Thu, 13 Nov 2025 21:00:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Visioli+Christopher/25609485.html si-local-file:///var/storage/secattach/20251113/25609485.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Visioli+Christopher/25609485.html Thu, 13 Nov 2025 21:00:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Pinto+Joshua/25609487.html si-local-file:///var/storage/secattach/20251113/25609487.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Pinto+Joshua/25609487.html Thu, 13 Nov 2025 21:00:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Hubbard+Brian/25609488.html si-local-file:///var/storage/secattach/20251113/25609488.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Hubbard+Brian/25609488.html Thu, 13 Nov 2025 21:00:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Stonehouse+Jon+P/25609491.html si-local-file:///var/storage/secattach/20251113/25609491.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+13++Filed+by%3A+Stonehouse+Jon+P/25609491.html Thu, 13 Nov 2025 21:00:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++S-8+POS++++Metsera%2C+Inc.++++++++++++++++++++++++/25608446.html si-local-file:///var/storage/secattach/20251113/25608446.html http://www.streetinsider.com/SEC+Filings/Form++S-8+POS++++Metsera%2C+Inc.++++++++++++++++++++++++/25608446.html Thu, 13 Nov 2025 16:58:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++8-K++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+12/25608362.html si-local-file:///var/storage/secattach/20251113/25608362.html http://www.streetinsider.com/SEC+Filings/Form++8-K++++++++Metsera%2C+Inc.+++++++++++++For%3A+Nov+12/25608362.html Thu, 13 Nov 2025 16:53:00 -0500 MTSR http://www.streetinsider.com/SEC+Filings/Form++25-NSE+++++Metsera%2C+Inc.++++++++++++++++++++++++++Filed+by%3A+Nasdaq+Stock+Market+LLC/25608047.html si-local-file:///var/storage/secattach/20251113/25608047.html http://www.streetinsider.com/SEC+Filings/Form++25-NSE+++++Metsera%2C+Inc.++++++++++++++++++++++++++Filed+by%3A+Nasdaq+Stock+Market+LLC/25608047.html Thu, 13 Nov 2025 16:33:00 -0500 MTSR http://www.streetinsider.com/Mergers+and+Acquisitions/Pfizer+completes+%247+billion+acquisition+of+obesity+drugmaker+Metsera/25604750.html <p>Pfizer Inc. (NYSE: PFE) has completed its acquisition of Metsera Inc. (NASDAQ: MTSR), a clinical-stage biopharmaceutical company focused on obesity and cardiometabolic treatments, for $65.60 per share in cash.</p> <p>The transaction values Metsera at approximately $7.0 billion in enterprise value, with additional contingent payments of up to $20.65 per share tied to three clinical and regulatory milestones. Metsera becomes a wholly owned subsidiary of Pfizer, and its shares ceased trading on the NASDAQ Global Select Market.</p> <p>The acquisition adds several obesity treatment candidates to Pfizer's pipeline. These include MET-097i, a weekly and monthly injectable GLP-1 receptor agonist preparing for Phase 3 development, http://www.streetinsider.com/Mergers+and+Acquisitions/Pfizer+completes+%247+billion+acquisition+of+obesity+drugmaker+Metsera/25604750.html Thu, 13 Nov 2025 11:26:13 -0500 A.01636251 A.50200173 A.50205311 MTSR O.00000313 O.00041286 O.00414167 O.22512914 PFE http://www.streetinsider.com/Mergers+and+Acquisitions/Pfizer+completes+%247+billion+acquisition+of+obesity+drugmaker+Metsera/25604750.html <p>Pfizer Inc. (NYSE: PFE) has completed its acquisition of Metsera Inc. (NASDAQ: MTSR), a clinical-stage biopharmaceutical company focused on obesity and cardiometabolic treatments, for $65.60 per share in cash.</p> <p>The transaction values Metsera at approximately $7.0 billion in enterprise value, with additional contingent payments of up to $20.65 per share tied to three clinical and regulatory milestones. Metsera becomes a wholly owned subsidiary of Pfizer, and its shares ceased trading on the NASDAQ Global Select Market.</p> <p>The acquisition adds several obesity treatment candidates to Pfizer's pipeline. These include MET-097i, a weekly and monthly injectable GLP-1 receptor agonist preparing for Phase 3 development, http://www.streetinsider.com/Mergers+and+Acquisitions/Pfizer+completes+%247+billion+acquisition+of+obesity+drugmaker+Metsera/25604750.html Thu, 13 Nov 2025 11:26:13 -0500 A.01636251 A.50200173 A.50205311 MTSR O.00000313 O.00041286 O.00414167 O.22512914 PFE http://www.streetinsider.com/Mergers+and+Acquisitions/Pfizer+completes+%247+billion+acquisition+of+obesity+drugmaker+Metsera/25604750.html <p>Pfizer Inc. (NYSE: PFE) has completed its acquisition of Metsera Inc. (NASDAQ: MTSR), a clinical-stage biopharmaceutical company focused on obesity and cardiometabolic treatments, for $65.60 per share in cash.</p> <p>The transaction values Metsera at approximately $7.0 billion in enterprise value, with additional contingent payments of up to $20.65 per share tied to three clinical and regulatory milestones. Metsera becomes a wholly owned subsidiary of Pfizer, and its shares ceased trading on the NASDAQ Global Select Market.</p> <p>The acquisition adds several obesity treatment candidates to Pfizer's pipeline. These include MET-097i, a weekly and monthly injectable GLP-1 receptor agonist preparing for Phase 3 development, http://www.streetinsider.com/Mergers+and+Acquisitions/Pfizer+completes+%247+billion+acquisition+of+obesity+drugmaker+Metsera/25604750.html Thu, 13 Nov 2025 11:26:13 -0500 A.01636251 A.50200173 A.50205311 MTSR O.00000313 O.00041286 O.00414167 O.22512914 PFE