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CIK 0001720580 · Non-accelerated filer<br>Smaller reporting company

Adicet Bio, Inc.

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Ticker
ACET
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 26
Incorporated
DE
Entity type
operating
EIN
813305277
Phone
617-482-2333
Business address
131 DARTMOUTH STREET, 3RD FLOOR, BOSTON, MA, 02116
Former names
resTORbio, Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-02-20 RA CAPITAL MANAGEMENT, L.P. 10% owner Purchase +74,751 $7.27 $543K 1,182,624
2026-02-19 RA CAPITAL MANAGEMENT, L.P. 10% owner Purchase +74,268 $7.21 $535K 1,107,873
2026-02-18 RA CAPITAL MANAGEMENT, L.P. 10% owner Purchase +74,577 $7.04 $525K 1,033,605
2026-01-24 Aftab Blake Chief Scientific Officer Shares withheld for taxes −535 $8.44 $5K 2,981
2026-01-24 Healey Don Chief Technology Officer Shares withheld for taxes −535 $8.44 $5K 3,452
2026-01-24 Schor Chen President & CEO Shares withheld for taxes −1,755 $8.44 $15K 6,820
2026-01-24 Harvey Brian Nicholas Chief Financial Officer Shares withheld for taxes −546 $8.44 $5K 5,145
2025-10-08 ORBIMED ADVISORS LLC 10% owner Purchase +1,500,000 $1.00 $1.5M 9,026,359
2025-10-08 ORBIMED ADVISORS LLC 10% owner Purchase +3,500,000 $1.00 $3.5M 4,490,254
2025-06-11 Klickstein Lloyd Director Grant or award +5,900 108,566
2025-06-11 Klickstein Lloyd Director Grant or award · Stock Option (Right to Buy) +26,400 26,400
2025-06-11 Chodakewitz Jeffrey Director Grant or award +5,900 17,700
2025-06-11 Chodakewitz Jeffrey Director Grant or award · Stock Option (Right to Buy) +26,400 26,400
2025-06-11 DUBIN STEVE Director Grant or award +5,900 22,700
2025-06-11 DUBIN STEVE Director Grant or award · Stock Option (Right to Buy) +26,400 26,400
2025-06-11 Peng Katie Director Grant or award +5,900 11,800
2025-06-11 Peng Katie Director Grant or award · Stock Option (Right to Buy) +26,400 26,400
2025-06-11 Sinclair Andrew Director Grant or award +5,900 17,700
2025-06-11 Sinclair Andrew Director Grant or award · Stock Option (Right to Buy) +26,400 26,400
2025-04-17 Grissinger Michael Director Grant or award · Stock Option (Right to Buy) +70,200 70,200

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