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Filing Details

Accession Number:: 0001828824-21-000010
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-08-04 17:30:29
Reporting Period:: 2021-08-02

Accepted Time:: 2021-08-04 17:30:29
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
866291	Allegro Microsystems Inc.	ALGM	Semiconductors & Related Devices (3674)	462405937

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1828824	Ravi Vig	955 Perimeter Road Manchester NH 03103	President And Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2021-08-02	20,496	$27.92	1,675,308	No	4	S	Direct
Common Stock	Disposition	2021-08-03	14,214	$27.80	1,661,094	No	4	S	Direct
Common Stock	Disposition	2021-08-04	5,290	$28.29	1,655,804	No	4	S	Direct
Common Stock	Disposition	2021-08-02	20,139	$27.92	412,951	No	4	S	Indirect	By Trust for Child 1
Common Stock	Disposition	2021-08-03	14,123	$27.80	398,828	No	4	S	Indirect	By Trust for Child 1
Common Stock	Disposition	2021-08-04	5,738	$28.28	393,090	No	4	S	Indirect	By Trust for Child 1
Common Stock	Disposition	2021-08-02	19,951	$27.92	413,139	No	4	S	Indirect	By Trust for Child 2
Common Stock	Disposition	2021-08-03	14,108	$27.80	399,031	No	4	S	Indirect	By Trust for Child 2
Common Stock	Disposition	2021-08-04	5,941	$28.28	393,090	No	4	S	Indirect	By Trust for Child 2
Common Stock	Disposition	2021-08-02	20,266	$27.92	412,824	No	4	S	Indirect	By Trust for Child 3
Common Stock	Disposition	2021-08-03	14,121	$27.80	398,703	No	4	S	Indirect	By Trust for Child 3
Common Stock	Disposition	2021-08-04	5,613	$28.27	393,090	No	4	S	Indirect	By Trust for Child 3

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Indirect	By Trust for Child 1
No	4	S	Indirect	By Trust for Child 1
No	4	S	Indirect	By Trust for Child 1
No	4	S	Indirect	By Trust for Child 2
No	4	S	Indirect	By Trust for Child 2
No	4	S	Indirect	By Trust for Child 2
No	4	S	Indirect	By Trust for Child 3
No	4	S	Indirect	By Trust for Child 3
No	4	S	Indirect	By Trust for Child 3

Footnotes

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.
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.
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.
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.
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.
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.
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.
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.
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.
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.