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SEPTERNA INC (SEPN) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:SEPN - US81734D1046 - Common Stock

26.55 USD
+0.38 (+1.45%)
Last: 12/3/2025, 8:00:02 PM
26.55 USD
0 (0%)
After Hours: 12/3/2025, 8:00:02 PM
SEPN Ownership Chart.SEPN Ownership Chart: showing Insider, Institutional ownership and shares available to the public.SEPN Ownership.InsiderInstitutional



Shares Outstanding44.77M
Float42.82M
Float Short Interest Percentage4.49%
Owners (insider)2.94%
Owners (institutional)99.28%
Owners (insider) change0.35%
Owners (institutional) change0.23%
SEPN Institutional Ownership HistorySEPN Institutional Ownership HistorySEPN Institutional Ownership History Dec 2024 Mar 2025 Jun 2025 Sep 2025 10M 20M 30M 40M
SEPN Historical Insider Transactions ChartSEPN Historical Insider Buy and Sell Transactions ChartSEPN Historical Insider Transactions Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 0 2M 4M 6M
Date Name Type Shares Price Amount
Nov 10, 2025 Long Daniel D. Open Market Sale 3501 18.06 $ 63,223.16
Aug 18, 2025 Klein Uwe Option Excercise 23008 4.10 $ 94,367.13
Apr 2, 2025 Finer Jeffrey Option Excercise 55000 2.76 $ 151,800.00
Mar 7, 2025 Ezekowitz Alan Open Market Purchase 13319 6.93 $ 92,270.04
Mar 4, 2025 Ezekowitz Alan Open Market Purchase 86681 5.95 $ 515,934.11
Feb 25, 2025 Finer Jeffrey Open Market Purchase 17000 5.70 $ 96,960.60
Feb 25, 2025 Labrucherie Gil M Open Market Purchase 10000 5.69 $ 56,866.68
Feb 24, 2025 Third Rock Ventures VI, L.P. Open Market Purchase 18861 6.00 $ 113,147.14
Feb 24, 2025 Third Rock Ventures V, L.P. Open Market Purchase 18861 6.00 $ 113,147.14
Feb 24, 2025 Third Rock Ventures GP V, LP Open Market Purchase 18861 6.00 $ 113,147.14
Feb 24, 2025 TRV GP V, LLC Open Market Purchase 18861 6.00 $ 113,147.14
Feb 24, 2025 Third Rock Ventures GP VI, L.P. Open Market Purchase 18861 6.00 $ 113,147.14
Feb 24, 2025 TRV GP VI, LLC Open Market Purchase 18861 6.00 $ 113,147.14
Feb 20, 2025 Third Rock Ventures GP VI, L.P. Open Market Purchase 1040342 5.93 $ 6,167,378.00
Feb 20, 2025 TRV GP VI, LLC Open Market Purchase 1040342 5.93 $ 6,167,378.00
Feb 20, 2025 Third Rock Ventures VI, L.P. Open Market Purchase 1040342 5.93 $ 6,167,378.00
Feb 20, 2025 Third Rock Ventures V, L.P. Open Market Purchase 1040342 5.93 $ 6,167,378.00
Feb 20, 2025 Third Rock Ventures GP V, LP Open Market Purchase 1040342 5.93 $ 6,167,378.00
Feb 20, 2025 TRV GP V, LLC Open Market Purchase 1040342 5.93 $ 6,167,378.00
Feb 19, 2025 Labrucherie Gil M Open Market Purchase 30000 5.74 $ 172,296.90