Allegro SVP has shares withheld for RSU taxes

Q: What insider transaction did ALGM SVP Richard Madormo report on this Form 4?

Richard Madormo reported a tax-related share disposition. The filing shows 6,498 shares of Allegro common stock were surrendered to the issuer at $32.58 per share to cover taxes triggered by the vesting of previously granted restricted stock units.

Q: Was the ALGM insider transaction an open-market sale of shares?

No, the transaction was not an open-market sale. A footnote explains the 6,498 shares were withheld by Allegro to cover taxes due upon vesting of restricted stock units, making this a routine compensation-related tax event rather than a discretionary market sale.

Q: How many ALGM shares does Richard Madormo hold after this Form 4 transaction?

Madormo holds 60,311 Allegro shares after the transaction. The Form 4 states his direct ownership of common stock stands at 60,311 shares following the tax withholding, indicating he maintains a meaningful ongoing equity position in ALLEGRO MICROSYSTEMS, INC.

Q: What role does Richard Madormo hold at ALLEGRO MICROSYSTEMS, INC. (ALGM)?

Richard Madormo serves as SVP, Worldwide Sales at Allegro. The Form 4 identifies him as an officer of the company with the title “SVP, Worldwide Sales,” providing context that this tax-related share withholding is tied to executive equity compensation.

Q: What type of security was involved in Richard Madormo’s ALGM Form 4 filing?

The transaction involved Allegro common stock. The filing specifies that the 6,498 shares surrendered to cover taxes were shares of common stock, arising from the vesting of restricted stock units previously granted by ALLEGRO MICROSYSTEMS, INC.

ALLEGRO MICROSYSTEMS, INC. senior vice president of worldwide sales Richard Madormo reported a routine tax-related share disposition.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

Rhea-AI Filing Summary

ALLEGRO MICROSYSTEMS, INC. senior vice president of worldwide sales Richard Madormo reported a routine tax-related share disposition. On this Form 4, 6,498 shares of common stock were surrendered at $32.58 per share to cover taxes due upon the vesting of previously granted restricted stock units. After this withholding, Madormo directly holds 60,311 shares of Allegro common stock, indicating he retains a substantial equity stake while settling the tax obligation tied to his equity compensation.

Insider Trade Summary

Disposition: 6,498 shares

Disposition 1 txn

Insider Madormo Richard

Role SVP, Worldwide Sales

Type	Security	Shares	Price	Value
Disposition	Common Stock	6,498	$32.58	$212K

Holdings After Transaction: Common Stock — 60,311 shares (Direct)

Footnotes (1)

F1. Represents shares withheld to cover taxes due upon the vesting of restricted stock units that were previously granted by the Issuer.

FAQ

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

What insider transaction did ALGM SVP Richard Madormo report on this Form 4?

Richard Madormo reported a tax-related share disposition. The filing shows 6,498 shares of Allegro common stock were surrendered to the issuer at $32.58 per share to cover taxes triggered by the vesting of previously granted restricted stock units.

Was the ALGM insider transaction an open-market sale of shares?

No, the transaction was not an open-market sale. A footnote explains the 6,498 shares were withheld by Allegro to cover taxes due upon vesting of restricted stock units, making this a routine compensation-related tax event rather than a discretionary market sale.

How many ALGM shares does Richard Madormo hold after this Form 4 transaction?

Madormo holds 60,311 Allegro shares after the transaction. The Form 4 states his direct ownership of common stock stands at 60,311 shares following the tax withholding, indicating he maintains a meaningful ongoing equity position in ALLEGRO MICROSYSTEMS, INC.

What role does Richard Madormo hold at ALLEGRO MICROSYSTEMS, INC. (ALGM)?

Richard Madormo serves as SVP, Worldwide Sales at Allegro. The Form 4 identifies him as an officer of the company with the title “SVP, Worldwide Sales,” providing context that this tax-related share withholding is tied to executive equity compensation.

What type of security was involved in Richard Madormo’s ALGM Form 4 filing?

The transaction involved Allegro common stock. The filing specifies that the 6,498 shares surrendered to cover taxes were shares of common stock, arising from the vesting of restricted stock units previously granted by ALLEGRO MICROSYSTEMS, INC.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google

Accepted by SEC EDGAR 03/25/2026 - 04:15 PM EDT

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^*

Madormo Richard

(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)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP, Worldwide Sales

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/24/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/24/2026		D		6,498⁽¹⁾	D	$32.58	60,311	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents shares withheld to cover taxes due upon the vesting of restricted stock units that were previously granted by the Issuer.

	/s/ Raymond Myer, Attorney-in-Fact for Richard Madormo	03/25/2026
	** 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)

Source: View Original Filing on SEC EDGAR