Allegro Microsystems director granted 1,094 RSUs

Willett Robert reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Willett Robert reported acquisition or exercise transactions in this Form 4 filing.

ALLEGRO MICROSYSTEMS, INC. director Robert Willett received an equity grant of 1,094 shares of common stock in the form of Restricted Stock Units (RSUs). The award was granted at no cash cost per share and increases his direct holdings to 1,094 shares. 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 date.

Insider Trade Summary

Grant/Award: 1,094 shares

Grant/Award 1 txn

Insider Willett Robert

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,094	$0.00	$0.00

Holdings After Transaction: Common Stock — 1,094 shares (Direct)

Footnotes (1)

1. F1. Represents 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.

Key Figures

RSUs granted: 1,094 shares Grant price per share: $0.00 per share Shares held after grant: 1,094 shares

3 metrics

RSUs granted 1,094 shares Equity award to director Robert Willett

Grant price per share $0.00 per share Stated price for RSU award

Shares held after grant 1,094 shares Director’s direct ownership following RSU award

Key Terms

Restricted Stock Units ("RSUs"), contingent right, annual meeting

3 terms

Restricted Stock Units ("RSUs") financial

"Represents an award of Restricted Stock Units ("RSUs"). Each RSU represents a contingent right"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

contingent right financial

"Each RSU represents a contingent right to receive one share of common stock."

annual meeting financial

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

A company's annual meeting is a yearly gathering where owners (shareholders) and the board review performance, ask questions, and vote on key matters like electing directors, approving auditor choices, and sometimes setting pay or dividend policies. For investors it matters because decisions made and votes cast can change who runs the company, influence strategy and payouts, and affect the value or direction of their investment—similar to a homeowners’ meeting where rules and leaders that shape your property’s value are decided.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ALGM director Robert Willett report?

Robert Willett reported an equity grant of 1,094 Restricted Stock Units. These RSUs represent a contingent right to receive 1,094 shares of Allegro Microsystems common stock, increasing his direct holdings to 1,094 shares after the award.

How many Allegro Microsystems (ALGM) shares were granted to the director?

The director was granted 1,094 Restricted Stock Units. Each RSU corresponds to one share of Allegro Microsystems common stock, so the award covers 1,094 shares, all reflected in his post-transaction direct ownership balance of 1,094 shares.

At what price were the ALGM Restricted Stock Units granted?

The 1,094 Restricted Stock Units were granted at a stated price of $0.00 per share. This indicates a compensation award rather than a market purchase, consistent with typical director equity grants from the company.

When will Robert Willett’s ALGM RSUs vest?

The RSUs will vest on the date of the next annual meeting following the grant date. Vesting at the next annual meeting aligns the award with the company’s governance calendar and encourages service through that meeting date.

What does each ALGM RSU granted to the director represent?

Each Restricted Stock Unit represents a contingent right to receive one share of Allegro Microsystems common stock. The shares are delivered only upon vesting, which is scheduled for the date of the next annual meeting after the grant.

Is this ALGM Form 4 transaction a market purchase or a compensation award?

This transaction is a compensation award, not a market purchase. The Form 4 uses code “A” for a grant or award, with 1,094 RSUs issued at $0.00 per share as equity-based director compensation.

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

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Accepted by SEC EDGAR 05/15/2026 - 04:20 PM EDT Learn about SEC filing dates

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^*

Willett Robert

(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)
05/13/2026

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	05/13/2026		A		1,094(1)	A	$0.00	1,094	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 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 Robert J. Willett	05/15/2026
	** 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)