Matrix Service (MTRX) SVP Justin Sheets sells 16,991 shares in open market

Rhea-AI Filing Summary

MATRIX SERVICE CO senior vice president of Enterprise Services Justin D. Sheets reported an open-market sale of company common stock. He sold 16,991 shares at a price of $13.50 per share.

After this transaction, Sheets directly holds 64,337 shares of Matrix Service common stock, indicating he retains a sizable continuing equity position in the company.

Insider Trade Summary

Net Seller: 16,991 shares ($229,379)

Net Sell 1 txn

Insider SHEETS JUSTIN D

Role SVP, Enterprise Services

Sold 16,991 shs ($229K)

Type	Security	Shares	Price	Value
Sale	Common Stock	16,991	$13.50	$229K

Holdings After Transaction: Common Stock — 64,337 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 16,991 shares Sale price: $13.50 per share Shares owned after transaction: 64,337 shares +1 more

4 metrics

Shares sold 16,991 shares Open-market sale on Common Stock

Sale price $13.50 per share Reported transaction price

Shares owned after transaction 64,337 shares Direct ownership following sale

Transaction date June 12, 2026 Date of open-market sale

Key Terms

Common Stock, open-market sale, Form 4, Senior Vice President, Enterprise Services

4 terms

Common Stock financial

"The transaction involved MATRIX SERVICE CO Common Stock held directly."

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

"The filing classifies the transaction as an open-market sale of shares."

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

"This insider transaction was reported to the SEC on Form 4."

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.

Senior Vice President, Enterprise Services financial

"Justin D. Sheets serves as Senior Vice President, Enterprise Services."

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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^*

SHEETS JUSTIN D

(Last) (First) (Middle)

15 EAST 5TH STREET

SUITE 1100

(Street)

TULSA OKLAHOMA 74103

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MATRIX SERVICE CO [ MTRX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Enterprise Services

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

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	06/12/2026		S		16,991	D	$13.5	64,337	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:

Remarks:

	Justin D. Sheets	06/15/2026
	** 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)

FAQ

What insider transaction did MATRIX SERVICE CO (MTRX) report for Justin D. Sheets?

MATRIX SERVICE CO reported that Justin D. Sheets, SVP of Enterprise Services, sold common stock in an open-market transaction. The Form 4 shows one sale of 16,991 shares at $13.50 per share, updating his direct ownership position.

How many MATRIX SERVICE CO (MTRX) shares did Justin D. Sheets sell and at what price?

Justin D. Sheets sold 16,991 shares of MATRIX SERVICE CO common stock. The reported sale price was $13.50 per share, reflecting an open-market transaction coded as a sale under SEC Form 4 reporting requirements for company insiders.

How many MATRIX SERVICE CO (MTRX) shares does Justin D. Sheets hold after this Form 4 sale?

After the reported sale, Justin D. Sheets directly holds 64,337 shares of MATRIX SERVICE CO common stock. This post-transaction figure reflects his remaining direct equity stake as disclosed in the Form 4 filing with the SEC.

What does an open-market sale on a Form 4 mean for MATRIX SERVICE CO (MTRX)?

An open-market sale on a Form 4 means an insider sold shares through regular market trading. For MATRIX SERVICE CO, the filing records Justin D. Sheets’ sale of 16,991 common shares at $13.50, providing transparency into his recent trading activity.

Who is Justin D. Sheets in relation to MATRIX SERVICE CO (MTRX)?

Justin D. Sheets is an officer of MATRIX SERVICE CO, serving as Senior Vice President, Enterprise Services. As an executive, his trades in company common stock must be reported to the SEC using Form 4, detailing each transaction’s size and price.