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ALLEGRO MICROSYSTEMS INC

For the period ended Aug 7, 2025. Filed Jun 25, 2025.

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What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

Aug 7, 2025 · Filed Jun 25, 2025

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ALGM$28.17+5.1%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to

Section 14(a) of the Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant☒ Filed by a Party other than the Registrant☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☒ Definitive Proxy Statement

☐ Definitive Additional Materials

☐ Soliciting Material under §240.14a-12

Allegro MicroSystems, Inc.

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

☒ No fee required

☐ Fee paid previously with preliminary materials

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

LETTER TO SHAREHOLDERS

allegro

Manchester, NH

June 25, 2025

Dear Shareholder,

You are cordially invited to attend the 2025 Annual Meeting of Shareholders (the “Annual Meeting”) of Allegro MicroSystems, Inc. (the “Company”) at 8:30 a.m. Eastern time on Thursday, August 7, 2025. The Annual Meeting will be a completely virtual meeting, which will be conducted via live webcast. We believe that the online, virtual meeting format enables the Annual Meeting to be accessible for all of our shareholders.

Holders of record of the Company’s outstanding shares of common stock, as of the close of business on June 11, 2025 are entitled to notice of and to vote at the Annual Meeting, or any continuation, postponement or adjournment of the Annual Meeting. The Annual Meeting may be continued or adjourned from time to time without notice other than by announcement at the Annual Meeting.

Every shareholder’s vote is important. Whether or not you plan to attend the Annual Meeting online, it is important that your shares of common stock be represented and voted at the Annual Meeting. Therefore, I urge you to promptly submit your proxy even if you plan to attend the Annual Meeting. To submit a proxy to vote your shares over the Internet or by telephone, please follow the instructions on your proxy card, Notice of Internet Availability of Proxy Materials or voting instruction form. If you decide to attend the Annual Meeting, you will be able to vote online, even if you have previously submitted your proxy.

On behalf of the Board of Directors, thank you for your support of Allegro MicroSystems, Inc.

Sincerely,

Yoshihiro (Zen) Suzuki

Chairman of the Board of Directors

INNOVATION WITH PURPOSE

ALLEGRO MICROSYSTEMS, INC.

NOTICE OF 2025 ANNUAL MEETING OF SHAREHOLDERS

Date and TimeAugust 7, 2025 (Thursday) 8:30 a.m. Eastern timeLocationOnline at: meetnow.global/MYMVHCLWho Can VoteShareholders as ofJune 11, 2025 areeligible to vote
Time8:30 a.m., Eastern time on Thursday, August 7, 2025.
PlaceYou will be able to attend and participate in the Annual Meeting online, vote your shares electronically and submit your questions during the Annual Meeting by visiting: meetnow.global/MYMVHCL at the meeting date and time. Beneficial holders may be required to register in advance to attend the Annual Meeting. See the attached proxy statement for additional information. There is no physical location for the Annual Meeting.
Items of Business1.To elect Michael C. Doogue, Katsumi Kawashima and Yoshihiro (Zen) Suzuki as Class II Directors to serve until the 2028 Annual Meeting of Shareholders, and until each such director’s respective successor is elected and qualified;2.To ratify the appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for the fiscal year ending March 27, 2026;3.To approve, on an advisory basis, the Company’s executive compensation; and4.To transact such other business as may properly come before the Annual Meeting or any continuation, postponement, or adjournment of the Annual Meeting.
VotingYour vote is very important. Please submit your proxy even if you plan to attend the Annual Meeting. To submit a proxy to vote your shares over the Internet or by telephone, please follow the instructions on your proxy card, Notice of Internet Availability of Proxy Materials or voting instruction form.
Who Can VoteHolders of record of our outstanding shares of common stock as of the close of business on June 11, 2025 are entitled to notice of and to vote at the Annual Meeting, or any continuation, postponement or adjournment of the Annual Meeting. A complete list of such shareholders will be open to the examination of any shareholder for a period of ten days prior to the Annual Meeting for a purpose germane to the Annual Meeting at the Company’s offices during ordinary business hours at 955 Perimeter Road, Manchester, New Hampshire, 03103.

INNOVATION WITH PURPOSE

TABLE OF CONTENTS

PROXY STATEMENT1
QUESTIONS AND ANSWERS ABOUT THE 2025 ANNUAL MEETING OF SHAREHOLDERS3
PROPOSALS TO BE VOTED ON7
REPORT OF THE AUDIT COMMITTEE OF THE BOARD OF DIRECTORS15
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FEES AND OTHER MATTERS16
CORPORATE GOVERNANCE17
COMMITTEES OF THE BOARD24
EXECUTIVE AND DIRECTOR COMPENSATION28
SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT66
CERTAIN RELATIONSHIPS AND RELATED PERSON TRANSACTIONS68
SHAREHOLDERS’ PROPOSALS72
OTHER MATTERS72
SOLICITATION OF PROXIES72
APPENDIX A – NON-GAAP FINANCIAL MEASURES74

INNOVATION WITH PURPOSE

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.