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

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 Name Report
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
1 ARCH 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
10% Owner
2025-02-10 21:30:19 26,829,220
0
26,829,220 Form 13D
2 FMR LLC
See Remark 1
10% Owner
2025-05-12 10:36:17 15,167,808
0
15,167,808 Form 13G
3 Validae Health L.P.
Population Health Partners GP LLC
10% Owner
2025-06-03 16:30:15 13,136,644
0
13,136,644 Form 13G
4 Wellington Biomedical Innovation Master Investors (Cayman) II L.P.
10% Owner
2025-02-03 18:48:52 1,857,699
0
1,857,699 Form 4
5 Bernard Christopher Whitten
President and CEO
2025-05-22 19:36:40 348,750
0
348,750 Form 4
6 Pinto Joshua
Director
2025-05-22 19:42:42 16,125
148,953
165,078 Form 4
7 Visioli Christopher
Chief Financial Officer
2025-05-22 19:38:34 150,000
0
150,000 Form 4
8 Marso Steven
Chief Medical Officer
2025-05-22 19:32:09 120,000
0
120,000 Form 4
9 Hubbard Brian
Chief Scientific Officer
2025-05-22 19:32:36 120,000
0
120,000 Form 4
10 Stonehouse Jon P
Director
2025-04-30 21:11:04 47,730
0
47,730 Form 4
11 Lang Matthew
Chief Legal Officer
2025-05-22 19:37:47 46,875
0
46,875 Form 4
12 MEANWELL CLIVE
Executive Chairman
2025-05-22 19:40:27 32,250
0
32,250 Form 4
13 BERNS PAUL L
Director
2025-05-22 19:33:22 24,188
0
24,188 Form 4
14 Burow Kristina
Director
2025-05-22 19:39:32 16,125
0
16,125 Form 4