[Form 4] Allegro MicroSystems, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Allegro MicroSystems director Joseph R. Martin was awarded 5,932 restricted stock units (RSUs) on 08/07/2025. Each RSU represents a contingent right to receive one share of common stock and the RSUs will vest on the date of the next annual meeting following the grant. The award is reported at a $0 acquisition price. After this grant Mr. Martin beneficially owns 35,179 shares directly. The Form 4 disclosure documents a routine equity award to a director and provides transparency on insider holdings and vesting conditions.

Positive

• Director Joseph R. Martin received 5,932 RSUs, showing an increase in his equity stake
• Post-grant direct beneficial ownership is 35,179 shares, disclosed transparently on Form 4

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Director received 5,932 RSUs, raising direct ownership to 35,179 shares; RSUs vest at the next annual meeting.

This Form 4 records a director-level equity grant that increases direct beneficial ownership and specifies a clear vesting event. The reported acquisition code and $0 price indicate an awarded grant of restricted stock units rather than a market purchase. The filing is a routine governance disclosure that improves transparency about insider alignment with shareholders. No dispositions, derivative holdings, or additional plan details are provided in the filing.

Compensation Analyst

TL;DR: 5,932 RSUs granted to a director; each unit converts to one share and vests at the next annual meeting.

The filing shows an RSU award where each unit equals one share and vests on the next annual meeting date. The acquisition price is recorded as $0, consistent with a grant. The report also lists the post-grant direct share count as 35,179. The Form 4 does not include information about the award's valuation methodology, grant rationale, or tax implications.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MARTIN JOSEPH R

(Last) (First) (Middle)

955 PERIMETER ROAD

(Street)

MANCHESTER NH 03103

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ALLEGRO MICROSYSTEMS, INC. [ ALGM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/07/2025		A		5,932(1)	A	$0	35,179	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Transaction reported relates solely to 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.

	/s/ Raymond Myer, Attorney-in-Fact for Joseph R. Martin	08/08/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction was reported for ALGM?

The Form 4 reports an award of 5,932 restricted stock units (RSUs) to Joseph R. Martin.

Who is the reporting person and what is their relationship to ALGM?

Joseph R. Martin is the reporting person and is identified as a director of Allegro MicroSystems.

How many shares does Joseph R. Martin beneficially own after the transaction?

Following the reported grant, Mr. Martin beneficially owns 35,179 shares directly.

When do the RSUs vest?

The RSUs will vest on the date of the next annual meeting following the grant date.

What price was reported for the award?

The acquisition price associated with the RSU award is reported as $0.