Adicet Bio, Inc. — Director's Dealing 2023

Aug 17, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Adicet Bio, Inc. (ACET)
CIK: 0001720580
Period of Report: 2023-08-14

Reporting Person: Galimi Francesco (SVP & Chief Medical Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-08-14	Stock Option (Right to Buy)	$5.97	D	113652	Disposed	2029-10-15	Common Stock (113652)	Direct
2023-08-14	Stock Option (Right to Buy)	$2.14	A	113652	Acquired	2029-10-15	Common Stock (113652)	Direct
2023-08-14	Stock Option (Right to Buy)	$16.11	D	77269	Disposed	2030-09-16	Common Stock (77269)	Direct
2023-08-14	Stock Option (Right to Buy)	$2.14	A	77269	Acquired	2030-09-16	Common Stock (77269)	Direct
2023-08-14	Stock Option (Right to Buy)	$13.27	D	73964	Disposed	2031-01-12	Common Stock (73964)	Direct
2023-08-14	Stock Option (Right to Buy)	$2.14	A	73964	Acquired	2031-01-12	Common Stock (73964)	Direct
2023-08-14	Stock Option (Right to Buy)	$16.82	D	26625	Disposed	2031-02-11	Common Stock (26625)	Direct
2023-08-14	Stock Option (Right to Buy)	$2.14	A	26625	Acquired	2031-02-11	Common Stock (26625)	Direct
2023-08-14	Stock Option (Right to Buy)	$15.52	D	125000	Disposed	2032-01-06	Common Stock (125000)	Direct
2023-08-14	Stock Option (Right to Buy)	$2.14	A	125000	Acquired	2032-01-06	Common Stock (125000)	Direct
2023-08-14	Stock Option (Right to Buy)	$9.05	D	117200	Disposed	2033-01-23	Common Stock (117200)	Direct
2023-08-14	Stock Option (Right to Buy)	$2.14	A	117200	Acquired	2033-01-23	Common Stock (117200)	Direct

Footnotes

F1: On August 8, 2023, the Issuer's Board of Directors approved an option repricing (the "Repricing"), effective as of August 14, 2023 (the "Effective Date"). All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable.

F2: A total of 128,424 shares subject to an employee stock option were granted to the Reporting Person on September 15, 2020, with 25% of the shares subject to this option vested and exercisable on September 23, 2020, and the remaining 75% vesting in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date. The Reporting Person previously exercised 14,772 shares subject to this option.

F3: The exercise price of the option is $2.14 per share, representing the fair market value per share of the Issuer's Common Stock on the Effective Date; provided that the repriced option will revert to its original exercise price if, prior to the first anniversary of the Effective Date, (a) the Reporting Person's employment is terminated by the Issuer with cause or by the Reporting Person or (b) the option is exercised.

F4: The shares subject to this option shall vest in forty-eight (48) equal installments on each monthly anniversary following September 17, 2020, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

F5: A total of 80,000 shares subject to an employee stock option were granted on January 13, 2021, with the shares subject to this option vesting in forty-eight (48) equal installments on each monthly anniversary following January 13, 2021, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date. The Reporting Person previously exercised 6,036 shares subject to this option.

F6: A total of 28,400 shares subject to an employee stock option were granted on February 12, 2023, with the shares subject to this option vesting in forty-eight (48) equal installments on each monthly anniversary following February 12, 2021, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date. The Reporting Person previously exercised 1,775 shares subject to this option.

F7: The shares subject to this option shall vest in forty-eight (48) equal installments on each monthly anniversary following January 7, 2022, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.

F8: The shares subject to this option shall vest in forty-eight (48) equal installments on each monthly anniversary following January 24, 2023, subject to the Reporting Person's continued service with the Issuer as of the applicable vesting date.