Susan D. Lynch - 14 May 2026 Form 4 Insider Report for ALLEGRO MICROSYSTEMS, INC. (ALGM)

Reporting relationship: Director
Issuer ticker: ALGM
Reported as of: 14 May 2026
Net transaction value: -$759,625
SEC form: 4
Accepted by SEC: 15 May 2026, 16:20:10 UTC
Prior SEC filing: 01 May 2026
Next SEC filing: 22 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Raymond Myer, Attorney-in-Fact for Susan D. Lynch

Key filing fact

Susan D. Lynch filed Form 4 for ALLEGRO MICROSYSTEMS, INC. (ALGM) on 15 May 2026.

Key facts

This page summarizes Susan D. Lynch'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 01 May 2026.
Current net transaction value: -$759,625.

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 0001784973 Primary reporting owner

Lynch Susan D

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

Reported non-derivative transactions

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

ALGM transaction

Common Stock

Sale

Transaction value: $759,625
Shares: -16,711
Change %: -57%
Price: $45.46
Shares after: 12,805
Date: 14 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

The price reported in Column 4 is a weighted average price. The shares were sold at multiple prices ranging from $45.45 to $45.57. The Reporting Person undertakes to provide to Allegro MicroSystems, Inc. ("ALGM"), any security holder of ALGM, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.