Adicet Bio, Inc. (ACET) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through February 19, 2026 reveals that Adicet Bio's three principal insider shareholders consist of Director Andrew Sinclair (133.32K shares), Director Carl L Gordon (79.24K shares), TenPercentOwner Advisors Llc Orbimed (40.42K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Andrew Sinclair 133,318 13 Jun, 2025
Carl L Gordon 79,237 07 Jun, 2024
Advisors Llc Orbimed 40,416 10 Oct, 2025
Aya Jakobovits 23,009 07 Jun, 2024
Lloyd Klickstein 6,785 13 Jun, 2025
Francesco Galimi Svp & Chief Medical Officer 6,363 26 Jan, 2024
Chen Schor President & Ceo 9,537 27 Jan, 2026
Steve Dubin 1,419 13 Jun, 2025
Jeffrey Chodakewitz 1,106 13 Jun, 2025
Katie Peng 738 13 Jun, 2025
Bastiano Sanna 369 02 Jun, 2023
Michael Kauffman 369 07 Jun, 2024
Brian Nicholas Harvey Chief Financial Officer 5,145 27 Jan, 2026
Don Healey Chief Technology Officer 3,452 27 Jan, 2026
Blake Aftab Chief Scientific Officer 2,981 27 Jan, 2026

* 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
24 Jan, 2026 Chen Schor Common Stock D 1,755 $8.44 6,820 D F
24 Jan, 2026 Brian Nicholas Harvey Common Stock D 546 $8.44 5,145 D F
24 Jan, 2026 Don Healey Common Stock D 535 $8.44 3,452 D F
24 Jan, 2026 Blake Aftab Common Stock D 535 $8.44 2,981 D F
08 Oct, 2025 Advisors Llc Orbimed - - 64,243 I
08 Oct, 2025 Advisors Llc Orbimed - - 40,416 I
08 Oct, 2025 Advisors Llc Orbimed Common Stock A 3,500,000 $1.00 40,416 I P
08 Oct, 2025 Advisors Llc Orbimed Common Stock A 1,500,000 $1.00 64,243 I P
11 Jun, 2025 Steve Dubin Common Stock A 5,900 $0.00 1,419 D A
11 Jun, 2025 Jeffrey Chodakewitz Common Stock A 5,900 $0.00 1,106 D A
11 Jun, 2025 Andrew Sinclair Common Stock A 5,900 $0.00 1,106 D A
11 Jun, 2025 Andrew Sinclair - - 1,106 D
11 Jun, 2025 Lloyd Klickstein Common Stock A 5,900 $0.00 6,785 D A
11 Jun, 2025 Katie Peng Common Stock A 5,900 $0.00 738 D A
24 Jan, 2025 Chen Schor Common Stock D 28,101 $0.92 8,575 D F
24 Jan, 2025 Brian Nicholas Harvey Common Stock D 8,752 $0.92 5,691 D F
24 Jan, 2025 Don Healey Common Stock D 8,560 $0.92 3,986 D F
24 Jan, 2025 Blake Aftab - - 3,515 D
24 Jan, 2025 Blake Aftab Common Stock D 6,270 $0.92 3,515 D F
05 Jun, 2024 Steve Dubin Common Stock A 5,900 $0.00 1,050 D A