Michael C. Doogue - 16 May 2026 Form 4 Insider Report for ALLEGRO MICROSYSTEMS, INC. (ALGM)

Reporting relationship: President and CEO, Director
Issuer ticker: ALGM
Reported as of: 16 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 19 May 2026, 17:30:03 UTC
Prior SEC filing: 15 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Raymond Myer, Attorney-in-Fact for Michael C. Doogue

Key filing fact

Michael C. Doogue filed Form 4 for ALLEGRO MICROSYSTEMS, INC. (ALGM) on 19 May 2026.

Key facts

This page summarizes Michael C. Doogue's Form 4 filing for ALLEGRO MICROSYSTEMS, INC. (ALGM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 19 May 2026, 17:30.

Change

Previous filing in this sequence was filed on 15 May 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 0001828862 Primary reporting owner

Doogue Michael

Relationship: President and CEO, Director
Address: 955 PERIMETER ROAD, MANCHESTER
Signature: /s/ Raymond Myer, Attorney-in-Fact for Michael C. Doogue
Signature date: 19 May 2026

Reported non-derivative transactions

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

ALGM transaction

Common Stock

Tax liability

Transaction value
Shares: -60,508
Change %: -18%
Price: $43.10^*
Shares after: 279,076
Date: 16 May 2026
Ownership: Direct
Footnotes: F1

ALGM holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 252,797
Date: 16 May 2026
Ownership: By the Michael C. Doogue Revocable Trust of 2015

^* 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 shares withheld to cover taxes due upon the vesting of restricted stock units and performance-vesting restricted stock units that were previously granted by the Issuer.