Septerna Inc. (SEPN) - Insider Holders & Insider Ownership

List of insiders holdings for Septerna 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
1Third Rock Ventures VI L.P.
Third Rock Ventures V L.P.
Third Rock Ventures GP V LP
TRV GP V LLC
Third Rock Ventures GP VI L.P.
TRV GP VI LLC
10% Owner
2025-05-09 16:15:036,215,591
0
6,215,591Form 13G
2Finer Jeffrey
Chief Executive Officer
2026-02-10 19:03:25400,000
0
400,000Form 4
3Bhatt Elizabeth
President and COO
2026-02-20 17:28:57263,120
0
263,120Form 4
4Wilson Mark Andrew
Chief Legal Officer
2026-02-10 19:01:23165,000
0
165,000Form 4
5Labrucherie Gil M
Chief Financial Officer
2026-02-10 19:10:50125,000
0
125,000Form 4
6Kim Jae B.
Chief Medical Officer
2026-02-10 19:08:51125,000
0
125,000Form 4
7Xiao Ran
Interim CFO
2024-10-24 21:37:3584,198
0
84,198Form 3
8Long Daniel D.
SVP, Drug Discovery
2026-02-10 19:17:2980,000
0
80,000Form 4
9Klein Uwe
SVP, Biological Sciences
2026-02-10 19:15:3580,000
0
80,000Form 4
10Gottesdiener Keith Michael
Director
2025-09-29 16:59:0533,246
0
33,246Form 4
11Shaikhly Samira
Chief People Officer
2026-03-04 19:00:5425,323
0
25,323Form 4
12RA CAPITAL MANAGEMENT L.P.
RA Capital Healthcare Fund LP
RA Capital Nexus Fund III L.P.
Kolchinsky Peter
Shah Rajeev M.
Director
10% Owner
2025-06-20 18:46:210
16,623
16,623Form 4
13Sharp Shalini
Director
2025-06-20 18:44:3016,623
0
16,623Form 4
14Tong Jeffrey K
Director
2025-06-20 18:42:5116,623
0
16,623Form 4
15Coulie Bernard
Director
2025-06-20 18:41:3416,623
0
16,623Form 4
16Simson Jake
Director
2025-06-20 18:40:1016,623
0
16,623Form 4
17Bassan Abraham
Director
2025-06-20 18:38:2316,623
0
16,623Form 4
18Ezekowitz Alan
Director
2025-06-20 18:36:0116,623
0
16,623Form 4