Metsera Inc. (MTSR) - Insider Holders & Insider Ownership

List of insiders holdings for Metsera Inc.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1Validae Health L.P.
10% Owner		2025-11-13 21:05:0312,767,462
0		12,767,462Form 4
2Wellington Biomedical Innovation Master Investors (Cayman) II L.P.
10% Owner		2025-02-03 18:48:521,857,699
0		1,857,699Form 4
3Bernard Christopher Whitten
See Remarks		2025-11-13 21:00:0421,250
0		21,250Form 4
4Visioli Christopher
CHIEF FINANCIAL OFFICER		2025-11-13 21:00:0821,250
0		21,250Form 4
5Hubbard Brian
CHIEF SCIENTIFIC OFFICER		2025-11-13 21:00:1017,000
0		17,000Form 4
6Marso Steven
CHIEF MEDICAL OFFICER		2025-11-13 21:20:0717,000
0		17,000Form 4
7Lang Matthew
CHIEF LEGAL OFFICER		2025-11-13 21:20:0312,500
0		12,500Form 4
8MEANWELL CLIVE
EXECUTIVE CHAIRMAN		2025-11-13 21:00:065,375
0		5,375Form 4
9BERNS PAUL L
Director		2025-11-13 21:20:054,031
0		4,031Form 4
10Stonehouse Jon P
Director		2025-11-13 21:00:112,688
0		2,688Form 4
11Pinto Joshua
Director		2025-11-13 21:00:132,688
0		2,688Form 4
12Burow Kristina
Director		2025-11-13 21:10:042,688
0		2,688Form 4
13Population Health Partners GP LLC
10% Owner		2025-11-13 21:43:010
0		0Form 13G
14ARCH Venture Partners XII LLC
ARCH Venture Fund XII L.P.
ARCH Venture Partners XII L.P.
ARCH Venture Fund XIII L.P.
ARCH Venture Partners XIII L.P.
ARCH Venture Partners XIII LLC
CRANDELL KEITH
GILLIS STEVEN
NELSEN ROBERT
Director
10% Owner		2025-11-14 18:34:160
0		0Form 4
15FMR LLC
See Remark 1
10% Owner		2025-11-17 13:59:380
0		0Form 13G