Septerna, Inc. (SEPN) Insider Ownership

Historic Ownership Trends

There are no significant Insider Shareholders in Septerna as of December 12, 2025.

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Rock Ventures V, L.P. Third 9,368,047 28 Oct, 2024
Rock Ventures Vi, L.P. Third 4,211,659 26 Feb, 2025
Capital Management, L.P. Ra 1,471,943 30 Oct, 2024
Jeffrey Finer CEO And President 826,907 04 Apr, 2025
Alan Ezekowitz 117,420 10 Mar, 2025
Daniel D. Long SVP And Drug Discovery 92,911 13 Nov, 2025
Gil M Labrucherie Chief Financial Officer 40,000 27 Feb, 2025
Uwe Klein SVP And Biological Sciences 23,008 19 Aug, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
10 Nov, 2025 Daniel D. Long Common Stock D 3,501 $18.06 92,911 D S
18 Aug, 2025 Uwe Klein Common Stock A 10,452 $2.76 10,452 D M
18 Aug, 2025 Uwe Klein - - 10,452 D
18 Aug, 2025 Uwe Klein - - 15,387 D
18 Aug, 2025 Uwe Klein Common Stock A 4,935 $2.76 15,387 D M
18 Aug, 2025 Uwe Klein - - 23,008 D
18 Aug, 2025 Uwe Klein Common Stock A 7,621 $6.81 23,008 D M
02 Apr, 2025 Jeffrey Finer - - 821,907 D
02 Apr, 2025 Jeffrey Finer Common Stock A 50,000 $2.76 821,907 D M
03 Apr, 2025 Jeffrey Finer Common Stock A 5,000 $2.76 826,907 D M
03 Apr, 2025 Jeffrey Finer - - 826,907 D
07 Mar, 2025 Alan Ezekowitz Common Stock A 13,319 $6.93 117,420 D P
04 Mar, 2025 Alan Ezekowitz Common Stock A 7,491 $6.35 24,911 D P
04 Mar, 2025 Alan Ezekowitz - - 24,911 D
05 Mar, 2025 Alan Ezekowitz - - 62,746 D
05 Mar, 2025 Alan Ezekowitz Common Stock A 37,835 $5.82 62,746 D P
06 Mar, 2025 Alan Ezekowitz - - 104,101 D
06 Mar, 2025 Alan Ezekowitz Common Stock A 41,355 $6.00 104,101 D P
25 Feb, 2025 Jeffrey Finer Common Stock A 10,000 $5.68 764,907 D P
25 Feb, 2025 Gil M Labrucherie Common Stock A 6,282 $5.59 36,282 I P