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

Rhea-AI Filing Summary

Jennie M. Raubacher, a director of Allegro MicroSystems, received an award of 5,932 restricted stock units (RSUs) on 08/07/2025. Each RSU represents a contingent right to one share of common stock and will vest on the date of the next annual meeting following the grant. The RSUs were granted at a reported price of $0.00. After this award, Ms. Raubacher's reported beneficial ownership of Allegro common stock is 14,976 shares, held directly. This Form 4 discloses a non-cash equity award to a director and the vesting timing tied to the next annual meeting.

Insights

Securities Analyst

TL;DR: Director received a non-cash RSU award of 5,932 units, bringing direct beneficial ownership to 14,976 shares; vests at next annual meeting.

The filing documents a grant of 5,932 RSUs to Jennie Raubacher, reported as acquired on 08/07/2025 at a $0.00 price. Each RSU converts to one share on vesting, and the award will vest on the date of the next annual meeting following the grant. The transaction increases Ms. Raubacher's direct beneficial ownership to 14,976 shares. This is a disclosure of equity compensation rather than a purchase or sale; the filing contains no information about broader dilution, total outstanding shares, or cash flows.

Corporate Governance Expert

TL;DR: A routine director equity grant disclosed; vesting is tied to the next annual meeting and ownership rises to 14,976 shares.

The Form 4 shows an award of restricted stock units to a board director, with the RSUs representing contingent rights to common stock and vesting at the next annual meeting. The reported price is $0.00 and the ownership form is direct. The filing provides clear mechanics of the grant and post-grant ownership but does not include details on grant policy, service conditions beyond the stated vesting event, or potential tax withholding arrangements.

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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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^*

Raubacher Jennie

(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	$0.00	14,976	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 Jennie M. Raubacher	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 did Jennie Raubacher report on the ALGM Form 4?

She reported an award of 5,932 RSUs to Allegro MicroSystems common stock, acquired on 08/07/2025, at a reported price of $0.00.

How many Allegro (ALGM) shares does Jennie Raubacher beneficially own after the transaction?

Following the reported transaction, her beneficial ownership is 14,976 shares, held in a direct ownership form.

When do the RSUs granted to Jennie Raubacher vest?

The RSUs will vest on the date of the next annual meeting following the grant, per the Form 4 explanation.

Was this transaction a cash purchase or a grant for Allegro (ALGM)?

The filing shows a grant of RSUs reported at a price of $0.00, indicating a non-cash equity award rather than a purchase.

What type of securities were reported on the Form 4 for ALGM?

The filing reports non-derivative securities in the form of restricted stock units (RSUs) that represent contingent rights to common stock.