Insider Transactions Reported by 15 Insiders of Metsera, Inc.

Location
New York, NY

Insiders trading volume in the past year

Metsera, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Jon P. Stonehouse Director $945,531 13 Nov 2025
Validae Health, L.P. 10%+ Owner $0 11 Nov 2025
Paul L. Berns Director $0 13 Nov 2025
Kristina M. Burow. Director $0 13 Nov 2025
ARCH Venture Partners XII, LLC Director, 10%+ Owner $0 13 Nov 2025
Christopher Witten Bernard PRESIDENT AND CHIEF EXECUTIVE OFFICER, Director $0 13 Nov 2025
Clive Meanwell EXECUTIVE CHAIRMAN, Director $0 13 Nov 2025
Brian Hubbard Chief Scientific Officer $0 13 Nov 2025
Christopher Visioli Chief Financial Officer $0 13 Nov 2025
Steven Marso Chief Medical Officer $0 13 Nov 2025
Joshua Pinto Director $0 13 Nov 2025
Matthew Lang Chief Legal Officer $0 13 Nov 2025
FMR LLC Other*, 10%+ Owner $0 -$11,817 -100% 13 Nov 2025
Population Health Partners GP, LLC 10%+ Owner $0 13 Nov 2025
Wellington Biomedical Innovation Master Investors (Cayman) II L.P. 10%+ Owner 30 Jan 2025

Recent Insider Transactions by Companies or Individuals for Metsera, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Fmr Llc MTSR Common Stock Other -100% -2,230,450 0 13 Nov 2025 Shares held by persons and entities whose shares are subject to reporting by the undersigned.
Fmr Llc MTSR Common Stock Other -100% -3,010 0 13 Nov 2025 F-Prime Inc.
ARCH Venture Partners XII, LLC MTSR Common Stock Disposed to Issuer -100% -26,816,808 0 13 Nov 2025 See Footnote
Steven Marso MTSR Common Stock Disposed to Issuer -100% -17,000 0 13 Nov 2025 Direct
Steven Marso MTSR Stock Option (right to buy) Disposed to Issuer -100% -971,164 0 13 Nov 2025 Direct
Steven Marso MTSR Restricted Stock Unit Award 17,000 17,000 13 Nov 2025 Direct
Population Health Partners GP, LLC MTSR Common Stock Disposed to Issuer -100% -12,639,787 0 13 Nov 2025 By Population Health Partners, L.P.
Population Health Partners GP, LLC MTSR Common Stock Disposed to Issuer -100% -127,675 0 13 Nov 2025 Direct
Brian Hubbard MTSR Common Stock Disposed to Issuer -100% -17,000 0 13 Nov 2025 Direct
Brian Hubbard MTSR Stock Option (right to buy) Disposed to Issuer -100% -545,581 0 13 Nov 2025 Direct
Brian Hubbard MTSR Restricted Stock Unit Award 17,000 17,000 13 Nov 2025 Direct
Christopher Witten Bernard MTSR Common Stock Disposed to Issuer -100% -12,767,462 0 13 Nov 2025 Held by Population Health Partners, L.P. and Population Health GP LLC
Christopher Witten Bernard MTSR Common Stock Disposed to Issuer -100% -21,250 0 13 Nov 2025 Direct
Christopher Witten Bernard MTSR Stock Option (right to buy) Disposed to Issuer -100% -2,051,078 0 13 Nov 2025 Direct
Christopher Witten Bernard MTSR Restricted Stock Unit Award 21,250 21,250 13 Nov 2025 Direct
Joshua Pinto MTSR Common Stock Disposed to Issuer -100% -2,688 0 13 Nov 2025 Direct
Joshua Pinto MTSR Stock Option (right to buy) Disposed to Issuer -100% -148,953 0 13 Nov 2025 By LLC
Joshua Pinto MTSR Stock Option (right to buy) Disposed to Issuer -100% -16,125 0 13 Nov 2025 Direct
Joshua Pinto MTSR Restricted Stock Unit Award 2,688 2,688 13 Nov 2025 Direct
Christopher Visioli MTSR Common Stock Disposed to Issuer -100% -21,250 0 13 Nov 2025 Direct
Christopher Visioli MTSR Stock Option (right to buy) Disposed to Issuer -100% -745,814 0 13 Nov 2025 Direct
Christopher Visioli MTSR Restricted Stock Unit Award 21,250 21,250 13 Nov 2025 Direct
Matthew Lang MTSR Common Stock Disposed to Issuer -100% -12,500 0 13 Nov 2025 Direct
Matthew Lang MTSR Stock Option (right to buy) Disposed to Issuer -100% -371,875 0 13 Nov 2025 Direct
Matthew Lang MTSR Restricted Stock Unit Award 12,500 12,500 13 Nov 2025 Direct
Kristina M. Burow. MTSR Common Stock Disposed to Issuer -100% -51,411,394 0 13 Nov 2025 See footnote
Kristina M. Burow. MTSR Common Stock Disposed to Issuer -100% -2,688 0 13 Nov 2025 Direct
Kristina M. Burow. MTSR Stock Option (right to buy) Disposed to Issuer -100% -165,078 0 13 Nov 2025 Direct
Kristina M. Burow. MTSR Restricted Stock Unit Award 2,688 2,688 13 Nov 2025 Direct
Jon P. Stonehouse MTSR Common Stock Disposed to Issuer -100% -2,688 0 13 Nov 2025 Direct
Jon P. Stonehouse MTSR Stock Option (right to buy) Disposed to Issuer -100% -47,730 0 13 Nov 2025 Direct
Jon P. Stonehouse MTSR Restricted Stock Unit Award 2,688 2,688 13 Nov 2025 Direct
Clive Meanwell MTSR Common Stock Disposed to Issuer -100% -12,767,462 0 13 Nov 2025 Held by Population Health Partners, L.P. and Population Health GP LLC
Clive Meanwell MTSR Common Stock Disposed to Issuer -100% -5,375 0 13 Nov 2025 Direct
Clive Meanwell MTSR Stock Option (right to buy) Disposed to Issuer -100% -330,157 0 13 Nov 2025 Direct
Clive Meanwell MTSR Restricted Stock Unit Award 5,375 5,375 13 Nov 2025 Direct
Paul L. Berns MTSR Common Stock Disposed to Issuer -100% -15,837,362 0 13 Nov 2025 See footnote
Paul L. Berns MTSR Common Stock Disposed to Issuer -100% -961,590 0 13 Nov 2025 Direct
Paul L. Berns MTSR Stock Option (right to buy) Disposed to Issuer -100% -247,618 0 13 Nov 2025 Direct
Paul L. Berns MTSR Restricted Stock Unit Award 4,031 4,031 13 Nov 2025 Direct
Validae Health, L.P. MTSR Common Stock Other -100% -12,767,462 0 11 Nov 2025 Direct
Fmr Llc MTSR Common Stock Gift -27.8% -860,722 2,230,450 10 Nov 2025 Shares held by persons and entities whose shares are subject to reporting by the undersigned.
Fmr Llc MTSR Common Stock Other 552.4% 2,617,340 3,091,172 03 Nov 2025 Shares held by persons and entities whose shares are subject to reporting by the undersigned.
Fmr Llc MTSR Common Stock Other -100% -2,356,081 0 03 Nov 2025 Impresa Fund IV LLC
Fmr Llc MTSR Common Stock Sale -0.01% $11,817 $61.23 -193 2,356,081 03 Nov 2025 Impresa Fund IV LLC
Fmr Llc MTSR Common Stock Other 2,356,274 2,356,274 03 Nov 2025 Impresa Fund IV LLC
Fmr Llc MTSR Common Stock Other 236.3% 2,115 3,010 03 Nov 2025 F-Prime Inc.
Fmr Llc MTSR Common Stock Other -100% -47,843 0 03 Nov 2025 F-Prime Capital Partners Life Sciences Advisors Fund VIII LP
Fmr Llc MTSR Common Stock Other 47,843 47,843 03 Nov 2025 F-Prime Capital Partners Life Sciences Advisors Fund VIII LP
Fmr Llc MTSR Common Stock Other -100% -3,189,540 0 03 Nov 2025 F-Prime Capital Partners Life Sciences Fund VIII LP
* An asterisk sign (*) next to the price indicates that the price is likely invalid.