John M. Evans - Jan 31, 2023 Form 4 Insider Report for Beam Therapeutics Inc. (BEAM)

Role: CEO, Director
Signature: By: /s/ Christine Bellon, Attorney-in-fact
Stock symbol: BEAM
Transactions as of: Jan 31, 2023
Transactions value $: $99,997
Form type: 4
Date filed: 3/31/2023, 07:48 PM
Previous filing: Nov 2, 2022
Next filing: Apr 5, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BEAM	Common Stock	Small acquisition under Rule 16a-6	$0	+225	+0.02%	$0.00	1.06M	Mar 6, 2023	Direct	F1, F2
transaction	BEAM	Common Stock	Award	$0	+56.3K	+5.31%	$0.00	1.12M	Mar 31, 2023	Direct	F3
transaction	BEAM	Common Stock	Options Exercise	$100K	+13.9K	+1.24%	$7.22	1.13M	Mar 31, 2023	Direct
holding	BEAM	Common Stock						103K	Jan 31, 2023	By John M. Evans, III 2018 Irrevocable Trust

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	+113K		$0.00	113K	Jan 31, 2023	Common Stock	113K	$43.45	Direct	F4
transaction	BEAM	Stock Option (Right to Buy)	Options Exercise	$0	-13.9K	-6.57%	$0.00	197K	Mar 31, 2023	Common Stock	13.9K	$7.22	Direct	F5

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

Explanation of Responses:

Id	Content
F1	Distribution of Beam Therapeutics Inc. ("BEAM") common stock held by ARCH Venture Fund IX, L.P. to its partners for no consideration.
F2	Includes 308 shares and acquired by the Reporting Person under the BEAM Amended and Restated 2019 Employee Stock Purchase Plan on September 30, 2022.
F3	Represents restricted stock units ("RSUs") granted to the Reporting Person under BEAM's 2019 Equity Incentive Plan. Each RSU represents the contingent right to receive one share of the 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 BEAM through each vesting date.
F4	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.
F5	This stock option vests as to 25% on the first anniversary of the vesting commencement date, October 1, 2019, and at a rate of 2.78% each month thereafter until the option is fully vested. ..