Fulcrum Therapeutics, Inc. (FULC) Insider Ownership

Historic Ownership Trends

There are no significant Insider Shareholders in Fulcrum Therapeutics 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
Capital Management, L.P. Ra 6,053,960 10 Dec, 2025
Mark J Levin 3,962,202 12 Nov, 2021
Rock Ventures Iii, L.P. Third 1,962,202 15 Dec, 2022
Robert J Gould 484,864 21 Nov, 2025
Alex Sapir 193,360 08 Jul, 2024
James A Geraghty 90,714 29 Jun, 2021
Peter G. Thomson VP Finance & Accounting 17,512 24 Feb, 2021
Greg Tourangeau Principal Accounting Officer 14,062 09 May, 2025
Christopher Morabito Chief Medical Officer 1,100 29 Jun, 2021
Curtis Gale Oltmans SVP And General Counsel 1,088 29 Jun, 2021

* 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
08 Dec, 2025 Capital Management, L.P. Ra Common Stock D 1,377,020 $13.33 8,852,079 I S
08 Dec, 2025 Capital Management, L.P. Ra Common Stock D 2,706,397 $14.28 6,145,682 I S
08 Dec, 2025 Capital Management, L.P. Ra Common Stock D 91,722 $14.98 6,053,960 I S
19 Nov, 2025 Robert J Gould Common Stock D 15,000 $11.03 484,864 D S
08 May, 2025 Greg Tourangeau Common Stock D 498 $5.06 14,062 D S
08 May, 2025 Greg Tourangeau - - 14,062 D
21 Aug, 2024 Capital Management, L.P. Ra - - 3,109,704 I
21 Aug, 2024 Capital Management, L.P. Ra Common Stock D 8,500,000 - 3,109,704 I J
03 Jul, 2024 Alex Sapir Common Stock A 150,000 $3.27 193,360 D M
03 Jul, 2024 Alex Sapir - - 193,360 D
07 May, 2024 Greg Tourangeau Common Stock D 236 $7.76 11,571 D S
07 May, 2024 Greg Tourangeau - - 11,571 D
08 Mar, 2024 Greg Tourangeau Common Stock D 4,884 $11.72 11,807 D S
04 Mar, 2024 Alex Sapir - - 43,360 D
04 Mar, 2024 Alex Sapir Common Stock A 43,360 $11.35 43,360 D P
10 May, 2023 Greg Tourangeau Common Stock D 210 $3.31 15,992 D S
20 Jan, 2023 Capital Management, L.P. Ra Common Stock A 1,923,076 $13.00 11,609,704 I P
13 Jan, 2023 Robert J Gould - - 499,864 D
13 Jan, 2023 Robert J Gould Common Stock D 6,766 $15.00 499,864 D S
04 Jan, 2023 Capital Management, L.P. Ra Common Stock A 122,334 $7.03 9,628,259 I P