ALLEGRO MICROSYSTEMS, INC. — Director's Dealing 2023

May 17, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALLEGRO MICROSYSTEMS, INC. (ALGM)
CIK: 0000866291
Period of Report: 2023-05-15

Reporting Person: D'Antilio Derek (SVP, CFO & Treasurer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-15	Common Stock	A	21092	—	Acquired	148495	Direct
2023-05-16	Common Stock	F	7084	$38.14	Disposed	141411	Direct

Footnotes

F1: Represents an award of Restricted Stock Units ("RSUs") granted on May 15, 2023. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in three equal annual installments beginning on May 16, 2024.

F2: Represents shares withheld to cover taxes due upon the vesting of RSUs and Performance Stock Units that were previously granted by the Issuer.