Metsera, Inc. SEC Filings

Filed On	Filing
17 Feb 2026	SCHEDULE 13G/A
24 Nov 2025	15-12G
17 Nov 2025	Form 4: Fmr Llc, 10% owner Disposed of 2,233,460 shares (Other Transaction)
17 Nov 2025	SCHEDULE 13G/A
14 Nov 2025	Form 4: Arch Venture Partners XII, Llc, Director and 8 others Returned 26,816,808 shares to the issuer
14 Nov 2025	SCHEDULE 13D/A
14 Nov 2025	SCHEDULE 13G
13 Nov 2025	SCHEDULE 13G/A
13 Nov 2025	Form 4: Marso Steven, CHIEF MEDICAL OFFICER Returned 17,000 shares to the issuer · Granted 17,000 Restricted Stock Unit · Disposed of 971,164 Stock Option (right to buy) (Disposition to Issuer)
13 Nov 2025	Form 4: Berns Paul L, Director Returned 16,798,952 shares to the issuer · Granted 4,031 Restricted Stock Unit · Disposed of 247,618 Stock Option (right to buy) (Disposition to Issuer)
13 Nov 2025	Form 4: Lang Matthew, CHIEF LEGAL OFFICER Returned 12,500 shares to the issuer · Granted 12,500 Restricted Stock Unit · Disposed of 371,875 Stock Option (right to buy) (Disposition to Issuer)
13 Nov 2025	Form 4: Population Health Partners GP, Llc, 10% owner Returned 12,767,462 shares to the issuer
13 Nov 2025	Form 4: Burow Kristina, Director Returned 51,414,082 shares to the issuer · Granted 2,688 Restricted Stock Unit · Disposed of 165,078 Stock Option (right to buy) (Disposition to Issuer)
13 Nov 2025	Form 4: Validae Health, L.p., 10% owner Disposed of 12,767,462 shares (Other Transaction)
13 Nov 2025	Form 4: Pinto Joshua, Director Returned 2,688 shares to the issuer · Granted 2,688 Restricted Stock Unit · Disposed of 165,078 Stock Option (right to buy) (Disposition to Issuer)
13 Nov 2025	Form 4: Stonehouse Jon P, Director Returned 2,688 shares to the issuer · Granted 2,688 Restricted Stock Unit · Disposed of 47,730 Stock Option (right to buy) (Disposition to Issuer)
13 Nov 2025	Form 4: Hubbard Brian, CHIEF SCIENTIFIC OFFICER Returned 17,000 shares to the issuer · Granted 17,000 Restricted Stock Unit · Disposed of 545,581 Stock Option (right to buy) (Disposition to Issuer)
13 Nov 2025	Form 4: Visioli Christopher, CHIEF FINANCIAL OFFICER Returned 21,250 shares to the issuer · Granted 21,250 Restricted Stock Unit · Disposed of 745,814 Stock Option (right to buy) (Disposition to Issuer)
13 Nov 2025	Form 4: Meanwell Clive, Director Returned 12,772,837 shares to the issuer · Granted 5,375 Restricted Stock Unit · Disposed of 330,157 Stock Option (right to buy) (Disposition to Issuer)
13 Nov 2025	Form 4: Bernard Christopher Whitten, Director Returned 12,788,712 shares to the issuer · Granted 21,250 Restricted Stock Unit · Disposed of 2,051,078 Stock Option (right to buy) (Disposition to Issuer)

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