Allegro MicroSystems (ALGM) SVP trims stake with 4,500-share sale

Rhea-AI Filing Summary

Allegro MicroSystems, Inc. senior vice president Troy Coleman reported an open-market sale of 4,500 shares of Common Stock at $45.72 per share. After this transaction, he directly owned 77,476 shares, indicating he retained the majority of his personal stake.

Insider Trade Summary

Net Seller: 4,500 shares ($205,740)

Net Sell 1 txn

Insider Coleman Troy

Role SVP, General Manager, Products

Sold 4,500 shs ($206K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,500	$45.72	$206K

Holdings After Transaction: Common Stock — 77,476 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 4,500 shares Sale price: $45.72 per share Shares owned after transaction: 77,476 shares +1 more

4 metrics

Shares sold 4,500 shares Open-market sale on 2026-05-22

Sale price $45.72 per share Open-market sale of Common Stock

Shares owned after transaction 77,476 shares Direct ownership following sale

Net shares sold 4,500 shares Net-sell direction in transaction summary

Key Terms

Common Stock, open-market sale, Form 4

3 terms

Common Stock financial

"security_title: "Common Stock" associated with the transaction"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

open-market sale financial

"transaction_action: "open-market sale" describing the transaction"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"INSIDER FILING DATA (Form 4) describing the insider report"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Coleman Troy

(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, General Manager, Products

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026

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	05/22/2026		S		4,500	D	$45.72	77,476	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:

	/s/ Raymond Myer, Attorney-in-Fact for Troy Coleman	05/26/2026
	** 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)

FAQ

What insider transaction did Allegro MicroSystems (ALGM) report for Troy Coleman?

Allegro MicroSystems reported that SVP Troy Coleman sold 4,500 shares of Common Stock in an open-market transaction at $45.72 per share. The sale was disclosed on a Form 4 insider trading report filed with regulators.

At what price did Allegro MicroSystems (ALGM) executive Troy Coleman sell shares?

Troy Coleman sold 4,500 Allegro MicroSystems Common Stock shares at $45.72 per share. This was an open-market sale, meaning the shares were sold on the public market rather than through a private transaction or option exercise.

How many Allegro MicroSystems (ALGM) shares does Troy Coleman hold after the sale?

After the reported sale, Troy Coleman directly owned 77,476 shares of Allegro MicroSystems Common Stock. This post-transaction balance shows he continues to hold a sizable personal position in the company’s equity following the open-market sale.

Was the Allegro MicroSystems (ALGM) insider transaction a buy or a sell?

The transaction was a sale. Form 4 data show Troy Coleman executed an open-market sale of 4,500 Allegro MicroSystems Common Stock shares, classified under transaction code “S,” which denotes a sale in the reporting framework.

What does transaction code "S" mean in the Allegro MicroSystems (ALGM) Form 4?

Transaction code “S” on the Allegro MicroSystems Form 4 indicates a sale of securities. In this case, it reflects Troy Coleman’s open-market sale of 4,500 Common Stock shares, distinguishing it from option exercises, gifts, or tax-related share dispositions.