ALLEGRO MICROSYSTEMS, INC. — Director's Dealing 2021

Aug 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALLEGRO MICROSYSTEMS, INC. (ALGM)
CIK: 0000866291
Period of Report: 2021-08-02

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-08-02	Common Stock	S	20496	$27.92	Disposed	1675308	Direct
2021-08-03	Common Stock	S	14214	$27.80	Disposed	1661094	Direct
2021-08-04	Common Stock	S	5290	$28.29	Disposed	1655804	Direct
2021-08-02	Common Stock	S	20139	$27.92	Disposed	412951	Indirect
2021-08-03	Common Stock	S	14123	$27.80	Disposed	398828	Indirect
2021-08-04	Common Stock	S	5738	$28.28	Disposed	393090	Indirect
2021-08-02	Common Stock	S	19951	$27.92	Disposed	413139	Indirect
2021-08-03	Common Stock	S	14108	$27.80	Disposed	399031	Indirect
2021-08-04	Common Stock	S	5941	$28.28	Disposed	393090	Indirect
2021-08-02	Common Stock	S	20266	$27.92	Disposed	412824	Indirect
2021-08-03	Common Stock	S	14121	$27.80	Disposed	398703	Indirect
2021-08-04	Common Stock	S	5613	$28.27	Disposed	393090	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 March 5, 2021.

F2: The reported transaction involves sale transactions ranging from $27.50 to $28.24 per share. The weighted average price per share was $27.92. 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 $27.29 to $28.20 per share. The weighted average price per share was $27.80. 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 reported transaction involves sale transactions ranging from $28.03 to $28.56 per share. The weighted average price per share was $28.29. 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.

F5: The reported transaction involves sale transactions ranging from $27.28 to $28.21 per share. The weighted average price per share was $27.80. 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 $28.02 to $28.55 per share. The weighted average price per share was $28.28. 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 $27.27 to $28.21 per share. The weighted average price per share was $27.80. 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 $28.02 to $28.58 per share. The weighted average price per share was $28.28. 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 $27.29 to $28.21 per share. The weighted average price per share was $27.80. 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 $28.02 to $28.53 per share. The weighted average price per share was $28.27. 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.