Amy Simon - 31 Dec 2025 Form 4 Insider Report for Beam Therapeutics Inc. (BEAM)

Role: Chief Medical Officer
Signature: By: /s/ Christine Bellon, Attorney-in-fact
Issuer symbol: BEAM
Transactions as of: 31 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 05 Jan 2026, 16:11:15 UTC
Previous filing: 03 Jul 2025
Next filing: 02 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Simon Amy	Chief Medical Officer	C/O BEAM THERAPEUTICS INC.,, 238 MAIN STREET, CAMBRIDGE	By: /s/ Christine Bellon, Attorney-in-fact	05 Jan 2026	0001963879

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BEAM	Common Stock	Award	$0	+12,500	+19%	$0.000000	77,364	31 Dec 2025	Direct	F1

* 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 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.

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 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.