Aya Jakobovits - 12 May 2021 Form 4 Insider Report for Adicet Bio, Inc. (ACET)

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACET	Common Stock	Sale	$66,128	-5,000	-2.2%	$13.23^*	221,807	12 May 2021	See Footnote	F1, F2, F3, F4
transaction	ACET	Common Stock	Sale	$66,204	-5,000	-2.2%	$13.24^*	221,806	12 May 2021	See Footnote	F1, F3, F5, F6
holding	ACET	Common Stock						329,199	12 May 2021	See Footnote	F3, F7
holding	ACET	Common Stock						135,799	12 May 2021	See Footnote	F8

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	These sales were effected pursuant to Rule 10b5-1 trading plans previously adopted by the Reporting Person.
F2	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $12.97 to $13.68. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
F3	The Reporting Person previously transferred 149,307 shares and 149,306 shares from the trust described in footnote (7) to the trusts described in footnotes (4) and (6), respectively.
F4	Shares held in a trust of which Dr. Jakobovits spouse is the trustee and Dr. Jakobovits child is the beneficiary.
F5	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $13.05 to $13.52. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
F6	Shares held in a trust of which Dr. Jakobovits spouse is the trustee and Dr. Jakobovits child is the beneficiary.
F7	Shares held in a grantor retained annuity trust ("GRAT") of which Dr. Jakobovits spouse is the trustee and Dr. Jakobovits the sole annuitant and current beneficiary.
F8	Shares held in a GRAT of which Dr. Jakobovits spouse is the trustee and Dr. Jakobovits the sole annuitant and current beneficiary.