ALLEGRO MICROSYSTEMS, INC. — Director's Dealing 2021

Nov 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALLEGRO MICROSYSTEMS, INC. (ALGM)
CIK: 0000866291
Period of Report: 2021-11-02

Reporting Person: Vig Ravi (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-02	Common Stock	S	41993	$31.25	Disposed	1573811	Direct
2021-11-03	Common Stock	S	48007	$31.61	Disposed	1525804	Direct
2021-11-02	Common Stock	S	41943	$31.25	Disposed	311147	Indirect
2021-11-03	Common Stock	S	18057	$31.29	Disposed	293090	Indirect
2021-11-02	Common Stock	S	41870	$31.25	Disposed	311220	Indirect
2021-11-03	Common Stock	S	18130	$31.29	Disposed	293090	Indirect
2021-11-02	Common Stock	S	41968	$31.25	Disposed	311122	Indirect
2021-11-03	Common Stock	S	18032	$31.29	Disposed	293090	Indirect

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 September 2, 2021.

F2: The reported transaction involves sale transactions ranging from $30.84 to $31.52 per share. The weighted average price per share was $31.25. 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.

F3: The reported transaction involves sale transactions ranging from $30.77 to $31.94 per share. The weighted average price per share was $31.61. 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.

F4: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2021.

F5: The reported transaction involves sale transactions ranging from $30.91 to $31.52 per share. The weighted average price per share was $31.25. 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.

F6: The reported transaction involves sale transactions ranging from $30.77 to $31.64 per share. The weighted average price per share was $31.29. 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.

F7: The reported transaction involves sale transactions ranging from $30.84 to $31.53 per share. The weighted average price per share was $31.25. 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.

F8: The reported transaction involves sale transactions ranging from $30.78 to $31.60 per share. The weighted average price per share was $31.29. 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.

F9: The reported transaction involves sale transactions ranging from $30.86 to $31.52 per share. The weighted average price per share was $31.25. 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.

F10: The reported transaction involves sale transactions ranging from $30.76 to $31.64 per share. The weighted average price per share was $31.29. 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.