Derek D'Antilio - May 12, 2023 Form 4 Insider Report for ALLEGRO MICROSYSTEMS, INC. (ALGM)

Role: SVP, CFO & Treasurer
Signature: /s/ Sharon S. Briansky, Attorney-in-Fact for Derek D'Antilio
Stock symbol: ALGM
Transactions as of: May 12, 2023
Transactions value $: $0
Form type: 4
Date filed: 5/16/2023, 04:24 PM
Previous filing: Feb 14, 2023
Next filing: May 17, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALGM	Common Stock	Award	$0	+25.6K	+25.09%	$0.00	127K	May 12, 2023	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On May 16, 2022, the Reporting Person was granted an award of Performance Stock Units ("PSUs"), which vests over a three-year period from grant in the form of common stock, contingent upon the Issuer's attainment of certain performance objectives between one and three years. On May 12, 2023, the Compensation Committee of the Issuer's Board of Directors determined that the performance objective goals in the PSUs for the period ending March 31, 2023 had been met at 200% of target, for the aggregate number of shares shown. The certified portion of the award shown remains subject to the time-based vesting conditions and is scheduled to vest in part on May 16, 2023, May 16, 2024, and May 16, 2025.

Content

On May 16, 2022, the Reporting Person was granted an award of Performance Stock Units ("PSUs"), which vests over a three-year period from grant in the form of common stock, contingent upon the Issuer's attainment of certain performance objectives between one and three years. On May 12, 2023, the Compensation Committee of the Issuer's Board of Directors determined that the performance objective goals in the PSUs for the period ending March 31, 2023 had been met at 200% of target, for the aggregate number of shares shown. The certified portion of the award shown remains subject to the time-based vesting conditions and is scheduled to vest in part on May 16, 2023, May 16, 2024, and May 16, 2025.