Chen Schor - 24 Jan 2026 Form 4 Insider Report for Adicet Bio, Inc. (ACET)

Reporting relationship: President & CEO, Director
Issuer ticker: ACET
Reported as of: 24 Jan 2026
Net transaction value: -$14,812
SEC form: 4
Accepted by SEC: 27 Jan 2026, 16:45:07 UTC
Prior SEC filing: 29 May 2025
Next SEC filing: 27 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Nick Harvey, Attorney-in-Fact

Key filing fact

Chen Schor filed Form 4 for Adicet Bio, Inc. (ACET) on 27 Jan 2026.

Key facts

This page summarizes Chen Schor's Form 4 filing for Adicet Bio, Inc. (ACET).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 27 Jan 2026, 16:45.

Change

Previous filing in this sequence was filed on 29 May 2025.
Current net transaction value: -$14,812.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001340875 Primary reporting owner

Schor Chen

Relationship: President & CEO, Director
Address: C/O ADICET BIO, INC., 131 DARTMOUTH STREET, FLOOR 3, BOSTON
Signature: /s/ Nick Harvey, Attorney-in-Fact
Signature date: 27 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ACET transaction

Common Stock

Tax liability

Transaction value: $14,812
Shares: -1,755
Change %: -20%
Price: $8.44
Shares after: 6,820
Date: 24 Jan 2026
Ownership: Direct
Footnotes: F1, F2

ACET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,716
Date: 24 Jan 2026
Ownership: See Footnote
Footnotes: F2, F3

ACET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,339
Date: 24 Jan 2026
Ownership: See Footnote
Footnotes: F2, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units and does not represent a sale by the Reporting Person.

Footnote F2

Reflects a 1-for-16 reverse stock split effected by the Issuer on December 30, 2025.

Footnote F3

Represents shares held directly by The I. Schor IRRV Trust, an irrevocable family trust having an independent trustee.

Footnote F4

Represents shares held directly by The C. Schor IRRV Trust, an irrevocable family trust having an independent trustee.