Allegro MicroSystems grants 4,251 DSUs to director

Raubacher Jennie reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Raubacher Jennie reported acquisition or exercise transactions in this Form 4 filing.

Allegro MicroSystems, Inc. reported that director Jennie Raubacher received a grant of 4,251 deferred stock units (DSUs) on August 5, 2026. The award is part of the non-employee director compensation program under the 2020 Omnibus Incentive Compensation Plan and a Deferred Compensation Plan election. The DSUs are fully vested at grant, each represents one share of Common Stock, and will be settled in shares after her separation from service, disability, or death. Following this grant, she holds 4,251 DSUs.

Insider Trade Summary

Grant/Award: 4,251 shares

Grant/Award 1 txn

Insider Raubacher Jennie

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferred Stock Units F1, F2, F3	4,251	$0.00	$0.00

Holdings After Transaction: Deferred Stock Units — 4,251 contracts (Direct)

Footnotes (3)

1. F1. Each deferred stock unit ("DSU") represents a contingent right to receive one share of the Issuer's Common Stock.
2. F2. As part of the Company's non-employee director compensation program, the reporting person elected to receive their annual non-employee director equity compensation in the form of DSUs under the Issuer's 2020 Omnibus Incentive Compensation Plan and pursuant to a prior election under the Company's Deferred Compensation Plan for Non-Employee Directors. The DSUs were credited on a one-for-one basis relative to the award of shares of the Issuer's Common Stock.
3. F3. The DSUs are fully vested when granted and will be settled in shares of the Issuer's Common Stock following the reporting person's separation from service, disability, or death.

Key Figures

Deferred stock units granted: 4251.0000 units Grant price per DSU: 0.0000 per unit Underlying common shares: 4251.0000 shares +1 more

4 metrics

Deferred stock units granted 4251.0000 units Grant to director on 2026-08-05 as non-employee director equity compensation

Grant price per DSU 0.0000 per unit Equity compensation award with no cash exercise or purchase price

Underlying common shares 4251.0000 shares Each DSU represents a contingent right to receive one share of Common Stock

DSUs held after transaction 4251.0000 units Total deferred stock units reported as beneficially owned following the grant

Key Terms

Deferred Stock Units, non-employee director compensation program, 2020 Omnibus Incentive Compensation Plan, Deferred Compensation Plan for Non-Employee Directors, +1 more

5 terms

Deferred Stock Units financial

"Each deferred stock unit ("DSU") represents a contingent right to receive one share"

Deferred stock units are promises from a company to give an employee shares of stock at a future date, often after certain conditions are met or after leaving the company. They function like a form of delayed compensation, allowing employees to earn shares over time. For investors, they represent potential future ownership in the company, but do not provide immediate voting rights or dividends until the shares are actually received.

non-employee director compensation program financial

"As part of the Company's non-employee director compensation program, the reporting person elected"

2020 Omnibus Incentive Compensation Plan financial

"in the form of DSUs under the Issuer's 2020 Omnibus Incentive Compensation Plan"

Deferred Compensation Plan for Non-Employee Directors financial

"pursuant to a prior election under the Company's Deferred Compensation Plan for Non-Employee Directors"

separation from service financial

"will be settled in shares of the Issuer's Common Stock following the reporting person's separation from service"

FAQ

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

What insider transaction did ALGM report for director Jennie Raubacher?

Allegro MicroSystems (ALGM) reported that director Jennie Raubacher received 4,251 deferred stock units on August 5, 2026. These DSUs are part of the non-employee director equity compensation and will settle in common shares after separation, disability, or death.

How many deferred stock units were granted in the ALGM Form 4?

The Form 4 for Allegro MicroSystems (ALGM) shows a grant of 4,251 deferred stock units to director Jennie Raubacher. Each DSU corresponds one-for-one to a share of Allegro MicroSystems’ common stock, and all units are fully vested upon grant.

What do Allegro MicroSystems (ALGM) deferred stock units represent?

Each Allegro MicroSystems (ALGM) deferred stock unit (DSU) represents a contingent right to receive one share of the company’s common stock. These DSUs function as equity-based director compensation, delivered as shares at a later settlement event.

When will the ALGM DSUs granted to Jennie Raubacher be settled?

The DSUs granted to Jennie Raubacher at Allegro MicroSystems (ALGM) will be settled in common shares after her separation from service, disability, or death. Until then, they remain deferred stock units credited under the company’s compensation plans.

Under which plans were the ALGM DSUs granted to the director?

The DSUs for Allegro MicroSystems (ALGM) were granted under the 2020 Omnibus Incentive Compensation Plan and a prior election in the Deferred Compensation Plan for Non-Employee Directors. The DSUs were credited one-for-one relative to an equity award of common stock.

Is the ALGM director DSU grant immediately vested?

Yes. The Form 4 states that the DSUs granted to the Allegro MicroSystems (ALGM) director are fully vested when granted. Although vested immediately, the units are only settled in common shares after separation from service, disability, or death.

What is Jennie Raubacher’s reported DSU holding in ALGM after this grant?

Following the reported transaction, director Jennie Raubacher holds 4,251 deferred stock units at Allegro MicroSystems (ALGM). Each DSU represents a right to receive one share of common stock at a future settlement event defined in the plans.

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

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Available on EDGAR 08/07/2026 - 07:02 AM Accepted by SEC EDGAR 08/07/2026 - 07:02 AM 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^*

Raubacher Jennie

(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

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
Deferred Stock Units	(1)	08/05/2026		A		4,251(2)		(3)	(3)	Common Stock	4,251	$0	4,251	D

Explanation of Responses:

1. Each deferred stock unit ("DSU") represents a contingent right to receive one share of the Issuer's Common Stock.

2. As part of the Company's non-employee director compensation program, the reporting person elected to receive their annual non-employee director equity compensation in the form of DSUs under the Issuer's 2020 Omnibus Incentive Compensation Plan and pursuant to a prior election under the Company's Deferred Compensation Plan for Non-Employee Directors. The DSUs were credited on a one-for-one basis relative to the award of shares of the Issuer's Common Stock.

3. The DSUs are fully vested when granted and will be settled in shares of the Issuer's Common Stock following the reporting person's separation from service, disability, or death.

	/s/ Raymond Myer, Attorney-in-Fact for Jennie M. Raubacher	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)