Giuseppe Ciaramella - Jan 31, 2023 Form 4 Insider Report for Beam Therapeutics Inc. (BEAM)

Role: President & CSO
Signature: By: /s/ Christine Bellon, Attorney-in-fact
Stock symbol: BEAM
Transactions as of: Jan 31, 2023
Transactions value $: $0
Form type: 4
Date filed: 3/31/2023, 07:49 PM
Previous filing: Jan 5, 2023
Next filing: Apr 5, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BEAM	Common Stock	Award	$0	+20K	+20.84%	$0.00	116K	Mar 31, 2023	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BEAM	Stock Option (Right to Buy)	Award	$0	+40K		$0.00	40K	Jan 31, 2023	Common Stock	40K	$43.45	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents restricted stock units ("RSUs") granted to the Reporting Person under the Beam Therapeutics Inc. ("BEAM") 2019 Equity Incentive Plan. Each RSU represents the contingent right to receive one share of BEAM's common stock. The RSUs vest in four substantially equal annual installments on each of the first four anniversaries of the date of grant, subject to the Reporting Person's continued service with the BEAM through each vesting date.
F2	This stock option vests in equal monthly installments each month following the date of grant for the subsequent 48 months, subject to the Reporting Person's continued service with BEAM through each vesting date.

Content

Represents restricted stock units ("RSUs") granted to the Reporting Person under the Beam Therapeutics Inc. ("BEAM") 2019 Equity Incentive Plan. Each RSU represents the contingent right to receive one share of BEAM's common stock. The RSUs vest in four substantially equal annual installments on each of the first four anniversaries of the date of grant, subject to the Reporting Person's continued service with the BEAM through each vesting date.

This stock option vests in equal monthly installments each month following the date of grant for the subsequent 48 months, subject to the Reporting Person's continued service with BEAM through each vesting date.