[Form 4] MATRIX SERVICE CO Insider Trading Activity

Rhea-AI Filing Summary

Matrix Service Company (MTRX) disclosed a Form 4 showing a director acquired 7,986 shares of common stock on 11/04/2025 at $0, tied to a restricted stock unit (RSU) grant. The filing notes each RSU converts into one share when conditions are met, with 100% vesting on the first anniversary of the grant. Following the transaction, the director beneficially owned 86,039 shares, held directly.

Insights

Corporate governance analyst

Routine director RSU grant; administrative disclosure.

The filing records a director’s equity award of 7,986 RSUs that settle into one common share each upon vesting. The transaction is coded as an acquisition at $0, consistent with non-cash equity compensation.

Vesting is straightforward: 100% on the first anniversary of the grant. Post-transaction holdings are 86,039 shares, directly owned. Actual dilution or trading impact depends on future vesting and any subsequent sales, which are not addressed here.

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
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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^*

CHANDLER JOHN D

(Last) (First) (Middle)

15 EAST 5TH STREET

SUITE 1100

(Street)

TULSA OK 74103

(City) (State) (Zip)

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

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)
11/04/2025

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	11/04/2025		A		7,986(1)	A	$0	86,039	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. RESTRICTED STOCK UNIT - EACH UNIT WILL ENTITLE THE REPORTING PERSON TO ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK IF AND WHEN THE CONDITIONS OF THE RESTRICTION HAVE BEEN SATISFIED. FOR THIS GRANT, 100% WILL VEST ON THE FIRST ANNIVERSARY DATE.

Remarks:

	John D. Chandler	11/05/2025
	** 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 Matrix Service (MTRX) report in this Form 4?

A director acquired 7,986 shares at $0 on 11/04/2025 via a restricted stock unit grant.

How do the RSUs in the MTRX filing vest?

The filing states 100% will vest on the first anniversary of the grant.

How many Matrix Service shares does the insider own after this transaction?

The director beneficially owned 86,039 shares following the transaction, held directly.

What is the transaction code and price in the MTRX Form 4?

Transaction code A (acquisition) at a price of $0, consistent with an RSU award.

Who signed the Matrix Service Form 4 and when?

It was signed by John D. Chandler on 11/05/2025.

Does each RSU equal one Matrix Service share?

Yes. The filing states each RSU entitles the holder to one share of common stock upon vesting.