ALLEGRO MICROSYSTEMS, INC. — Director's Dealing 2021

May 27, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALLEGRO MICROSYSTEMS, INC. (ALGM)
CIK: 0000866291
Period of Report: 2021-05-26

Reporting Person: Doogue Michael (SVP of Technology and Products)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-26	Common Stock	S	8913	$26.05	Disposed	505784	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	74602	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021.

F2: The reported transaction involves sale transactions ranging from $26.00 to $26.15 per share. The weighted average price per share was $26.05. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price.