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SEPN

Septerna, Inc.

NASDAQ · Healthcare · Biotechnology · US

$36.75
−0.14%
Ask drillr
0
Insider buys (3m)
14
Insider sells (3m)
-$41.5M
Net value (3m)
+18.1%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Sep 3, 2026Long Daniel D. · officer: SVP, Drug DiscoverySale3,333$38
Sep 3, 2026Long Daniel D. · officer: SVP, Drug DiscoveryM-Exempt3,333$2.76
Aug 14, 2026Third Rock Ventures V, L.P. · 10 percent ownerSale147,059$50
Aug 14, 2026RA CAPITAL MANAGEMENT, L.P. · director, 10 percent owner: Sale746,500$43
Aug 14, 2026Third Rock Ventures V, L.P. · 10 percent ownerSale141$51
Aug 13, 2026Bhatt Elizabeth · officer: President and COOM-Exempt6,319$2.76
Aug 13, 2026Bhatt Elizabeth · officer: President and COOSale25,000$44
Aug 13, 2026Bhatt Elizabeth · officer: President and COOM-Exempt18,681$6.81
Aug 5, 2026Long Daniel D. · officer: SVP, Drug DiscoveryM-Exempt1,518$2.76
Aug 5, 2026Long Daniel D. · officer: SVP, Drug DiscoverySale2,334$35
Aug 5, 2026Long Daniel D. · officer: SVP, Drug DiscoverySale1,000$34
Aug 5, 2026Long Daniel D. · officer: SVP, Drug DiscoveryM-Exempt1,816$2.76
Jul 17, 2026Bhatt Elizabeth · officer: President and COOSale4,000$34
Jul 17, 2026Bhatt Elizabeth · officer: President and COOM-Exempt4,000$6.81
Jul 2, 2026Long Daniel D. · officer: SVP, Drug DiscoverySale2,100$34
Jul 2, 2026Long Daniel D. · officer: SVP, Drug DiscoverySale1,233$35
Jul 2, 2026Long Daniel D. · officer: SVP, Drug DiscoveryM-Exempt3,333$2.76
Jun 30, 2026Shaikhly Samira · officer: Chief People OfficerM-Exempt2,178$6.81
Jun 30, 2026Simson Jake · directorA-Award15,000$37
Jun 30, 2026Ezekowitz Alan · directorA-Award15,000$37
Jun 30, 2026Gottesdiener Keith Michael · directorA-Award11,260$37
Jun 30, 2026Tong Jeffrey K · directorA-Award15,000$37
Jun 30, 2026Coulie Bernard · directorA-Award15,000$37
Jun 30, 2026Sharp Shalini · directorA-Award15,000$37
Jun 30, 2026Bassan Abraham · directorA-Award15,000$37
Jun 30, 2026Shaikhly Samira · officer: Chief People OfficerSale2,178$35
Jun 30, 2026RA CAPITAL MANAGEMENT, L.P. · director, 10 percent owner: A-Award15,000$37
Jun 24, 2026Long Daniel D. · officer: SVP, Drug DiscoveryM-Exempt4,471$12
Jun 24, 2026Long Daniel D. · officer: SVP, Drug DiscoverySale7,000$36
Jun 24, 2026Long Daniel D. · officer: SVP, Drug DiscoverySale8,000$35
Institutional positioning

13F filings over the trailing two quarters

New 78Increased 93Reduced 66Sold out 15
FilerActionSharesFiled
RA CAPITAL MANAGEMENT, L.P.Unchanged6,995,858May 15, 2026
RA CAPITAL MANAGEMENT, L.P.Unchanged6,995,858Aug 14, 2026
TRV GP V, LLCUnchanged6,215,591May 7, 2026
TRV GP V, LLCUnchanged6,215,591Aug 10, 2026
DRIEHAUS CAPITAL MANAGEMENT LLCIncreased4,433,058Aug 14, 2026
DRIEHAUS CAPITAL MANAGEMENT LLCReduced4,395,572May 15, 2026
TRV GP VI, LLCUnchanged4,211,659May 7, 2026
TRV GP VI, LLCUnchanged4,211,659Aug 10, 2026
SAMSARA BIOCAPITAL, LLCUnchanged3,149,128May 15, 2026
Samsara BioCapital, LLCUnchanged3,149,128Aug 14, 2026
GOLDMAN SACHS GROUP INCIncreased3,062,766Aug 14, 2026
GOLDMAN SACHS GROUP INCReduced2,906,427May 15, 2026
GOLDMAN SACHS GROUP INCIncreased2,715,129Mar 25, 2026
SIREN, L.L.C.Unchanged2,000,000May 14, 2026
BlackRock, Inc.Increased1,932,088Aug 7, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 3, 2026