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

Reporting relationship: Chief Scientific Officer
Issuer ticker: ACET
Reported as of: 24 Jan 2026
Net transaction value: -$4,515
SEC form: 4
Accepted by SEC: 27 Jan 2026, 16:46:53 UTC
Prior SEC filing: 04 Feb 2025
Next SEC filing: 27 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Nick Harvey, Attorney-in-Fact

Key filing fact

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

Key facts

This page summarizes Blake Aftab'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, 16:46.

Change

Previous filing in this sequence was filed on 04 Feb 2025.
Current net transaction value: -$4,515.

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 0001886986 Primary reporting owner

Aftab Blake

Relationship: Chief Scientific Officer
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: $4,515
Shares: -535
Change %: -15%
Price: $8.44
Shares after: 2,981
Date: 24 Jan 2026
Ownership: Direct
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 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.