ALLEGRO MICROSYSTEMS, INC. — Director's Dealing 2024

May 17, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALLEGRO MICROSYSTEMS, INC. (ALGM)
CIK: 0000866291
Period of Report: 2024-05-15

Reporting Person: Webster Roald Graham (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-05-15	Common Stock	A	787	—	Acquired	12323	Direct
2024-05-15	Common Stock	A	5017	—	Acquired	17340	Direct
2024-05-16	Common Stock	F	3113	$29.750	Disposed	14227	Direct

Footnotes

F1: On May 15, 2023, the Reporting Person was granted an award of performance-vesting restricted stock units ("PSUs"), which vests over a three fiscal year period in the form of common stock, contingent upon the Issuer's attainment of certain performance objectives between one and three fiscal years. On May 15, 2024, the Compensation Committee of the Issuer's Board of Directors determined that the performance objective goals of the PSUs for the period ending March 29, 2024 had been met for the aggregate number of shares shown. Following certification, the certified portion of the award remains subject to the time-based vesting conditions, and a portion of the award vested on May 16, 2024, and the remaining amounts are scheduled to vest in part on May 16, 2025 and May 16, 2026, as applicable.

F2: Represents an award of restricted stock units ("RSUs") granted on May 15, 2024. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in two equal annual installments beginning on May 16, 2025.

F3: Represents shares withheld to cover taxes due upon the vesting of PSUs and RSUs that were previously granted by the Issuer.