Allegro Microsystems (ALGM) awards stock to non-employee director Puma

Rhea-AI Filing Summary

PUMA MARY G reported acquisition or exercise transactions in this Form 4 filing.

Allegro Microsystems, Inc. reported that director Mary G. Puma received an award of 4,251 shares of Common Stock on August 5, 2026. The shares are fully vested and unrestricted, granted as annual non-employee director equity compensation, bringing her direct holdings to 21,734 shares.

Insider Trade Summary

Net Buyer: 4,251 shares

Net Buy 1 txn

Insider PUMA MARY G

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	4,251	$0.00	$0.00

Holdings After Transaction: Common Stock — 21,734 shares (Direct)

Footnotes (1)

1. F1. Represents an award of fully vested, unrestricted shares of the Issuer's Common Stock granted to the reporting person as annual non-employee director equity compensation pursuant to the Company's Annual Non-Employee Director Compensation Program.

Key Figures

Shares granted: 4,251 shares of Common Stock Grant price per share: $0.00 per share Shares held after transaction: 21,734 shares

3 metrics

Shares granted 4,251 shares of Common Stock Annual non-employee director equity compensation award to Mary G. Puma on August 5, 2026

Grant price per share $0.00 per share Reported transaction price for the 4,251-share stock award

Shares held after transaction 21,734 shares Total direct Allegro Microsystems common stock held by Mary G. Puma following the award

Key Terms

fully vested, unrestricted shares, Annual Non-Employee Director Compensation Program, equity compensation

4 terms

fully vested financial

"Represents an award of fully vested, unrestricted shares of the Issuer's Common Stock"

unrestricted shares financial

"award of fully vested, unrestricted shares of the Issuer's Common Stock granted"

Annual Non-Employee Director Compensation Program financial

"pursuant to the Company's Annual Non-Employee Director Compensation Program"

equity compensation financial

"granted to the reporting person as annual non-employee director equity compensation"

Equity compensation is pay given to employees, executives or contractors in the form of company ownership—such as stock, stock options or restricted shares—rather than just cash. It matters to investors because it can align workers' incentives with shareholders (like paying someone in slices of the same pie they help grow), but it also increases the number of shares outstanding and company expenses, affecting ownership percentages and earnings per share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/07/2026 - 07:03 AM Accepted by SEC EDGAR 08/07/2026 - 07:02 AM Learn about SEC filing dates

FAQ

What insider transaction did ALGM director Mary G. Puma report?

Mary G. Puma reported an acquisition of 4,251 Allegro Microsystems common shares on August 5, 2026. The award was fully vested, unrestricted stock granted as part of annual non-employee director equity compensation, increasing her direct holdings to 21,734 shares.

Was the Allegro Microsystems (ALGM) stock award to Mary G. Puma a purchase?

The transaction was not a market purchase; it was a grant of 4,251 fully vested, unrestricted shares at $0.00 per share. The shares were issued as annual non-employee director equity compensation under Allegro Microsystems’ compensation program.

How many ALGM shares does Mary G. Puma hold after this Form 4 transaction?

Following the award, Mary G. Puma directly holds 21,734 shares of Allegro Microsystems common stock. This reflects the addition of 4,251 fully vested, unrestricted shares granted on August 5, 2026, as part of the company’s director compensation program.

What is the nature of the 4,251-share Allegro Microsystems (ALGM) grant?

The 4,251-share grant is an award of fully vested, unrestricted common stock to Mary G. Puma. It represents annual non-employee director equity compensation granted under Allegro Microsystems’ Annual Non-Employee Director Compensation Program.

Did Mary G. Puma pay anything for the 4,251 ALGM shares granted?

No cash was paid; the 4,251 Allegro Microsystems shares were granted at a reported price of $0.00 per share. The shares were issued as equity compensation rather than acquired through an open-market or private purchase transaction.

Is the Allegro Microsystems (ALGM) Form 4 transaction by Mary G. Puma under a 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox is not marked as an affirmative trading plan. The transaction is identified as a grant of fully vested, unrestricted shares for annual non-employee director equity compensation, rather than a trade executed under a 10b5-1 plan.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

PUMA MARY G

(Last) (First) (Middle)

955 PERIMETER ROAD

(Street)

MANCHESTER NEW HAMPSHIRE 03103

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/05/2026

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

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

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

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	08/05/2026		A		4,251(1)	A	$0	21,734	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. Represents an award of fully vested, unrestricted shares of the Issuer's Common Stock granted to the reporting person as annual non-employee director equity compensation pursuant to the Company's Annual Non-Employee Director Compensation Program.

	/s/ Raymond Myer, Attorney-in-Fact for Mary G. Puma	08/07/2026
	** 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.
* Form 4: SEC 1474 (03-26)