Robert Willett - 13 May 2026 Form 4 Insider Report for ALLEGRO MICROSYSTEMS, INC. (ALGM)

Reporting relationship: Director
Issuer ticker: ALGM
Reported as of: 13 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 May 2026, 16:20:17 UTC
Prior SEC filing: 19 Feb 2026
Next SEC filing: 22 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Raymond Myer, Attorney-in-Fact for Robert J. Willett

Key filing fact

Robert Willett filed Form 4 for ALLEGRO MICROSYSTEMS, INC. (ALGM) on 15 May 2026.

Key facts

This page summarizes Robert Willett's Form 4 filing for ALLEGRO MICROSYSTEMS, INC. (ALGM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 15 May 2026, 16:20.

Change

Previous filing in this sequence was filed on 19 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001438093 Primary reporting owner

Willett Robert

Relationship: Director
Address: 955 PERIMETER ROAD, MANCHESTER
Signature: /s/ Raymond Myer, Attorney-in-Fact for Robert J. Willett
Signature date: 15 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALGM transaction

Common Stock

Award

Transaction value
Shares: +1,094
Change %
Price: $0.000000^*
Shares after: 1,094
Date: 13 May 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents an award of Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest on the date of the next annual meeting following the grant date.