# EDGAR Filing Document

**Accession Number:** 0000866273
**File Stem:** 0000866273-25-000046
**Filing Date:** 2025-8
**Character Count:** 7139
**Document Hash:** 46512752d83635aaea973e666d82a005
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000866273-25-000046.hdr.sgml**: 20250828

**ACCESSION NUMBER**: 0000866273-25-000046

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250827

**FILED AS OF DATE**: 20250828

**DATE AS OF CHANGE**: 20250828

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** PAYNE SHAWN P
- **CENTRAL INDEX KEY:** 0001945698

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-15461
- **FILM NUMBER:** 251275269

**MAIL ADDRESS:**
- **STREET 1:** 15 EAST 5TH STREET
- **STREET 2:** SUITE 1100
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74103
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MATRIX SERVICE CO
- **CENTRAL INDEX KEY:** 0000866273
- **STANDARD INDUSTRIAL CLASSIFICATION:** CONSTRUCTION SPECIAL TRADE CONTRACTORS [1700]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 731352174
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0630

**BUSINESS ADDRESS:**
- **STREET 1:** 15 EAST 5TH STREET
- **STREET 2:** SUITE 1100
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74103
- **BUSINESS PHONE:** 9188388822

**MAIL ADDRESS:**
- **STREET 1:** 15 EAST 5TH STREET
- **STREET 2:** SUITE 1100
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74103

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>PAYNE SHAWN P<br><sub>(Last) (First) (Middle)</sub><br>15 EAST 5TH STREET<br>SUITE 1100<br><sub>(Street)</sub><br>TULSA, OK 74103<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-08-27 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_President, Eng & Constr_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>MATRIX SERVICE CO [ MTRX ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| COMMON STOCK | 2025-08-27 |  | A |  | 16416<sup>(1)</sup> | A | $0 | 75401 | D |  |
| COMMON STOCK | 2025-08-27 |  | A |  | 32800<sup>(1)</sup> | A | $0 | 108201 | D |  |
| COMMON STOCK | 2025-08-27 |  | M |  | 2844 | A | <sup>(2)</sup> | 111045 | D |  |
| COMMON STOCK | 2025-08-27 |  | D |  | 2844 | D | $15.37 | 108201 | D |  |
| COMMON STOCK | 2025-08-27 |  | F |  | 1115<sup>(3)</sup> | D | $15.37 | 107086 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| RESTRICTED STOCK UNITS | <sup>(2)</sup> | 2025-08-27 |  | A |  | 16416<sup>(4)</sup> |  | 2026-08-27 | 2029-08-27 | COMMON STOCK | 16416 | $0 | 16416 | D |  |
| RESTRICTED STOCK UNITS | <sup>(2)</sup> | 2025-08-27 |  | M |  |  | 2844 | 2025-08-27<sup>(5)</sup> | 2028-08-27 | COMMON STOCK | 2844 | $0 | 8529 | D |  |

---

### Footnotes:

(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, 25% WILL VEST EACH YEAR FOR THE NEXT FOUR YEARS ON THE ANNIVERSARY DATES.

(2) EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

(3) SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

(4) EACH UNIT WILL ENTITLE THE REPORTING PERSON TO THE CASH EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK IF AND WHEN THE CONDITIONS OF THE RESTRICTION HAVE BEEN SATISFIED. FOR THIS GRANT, 25% WILL VEST EACH YEAR FOR THE NEXT FOUR YEARS ON THE ANNIVERSARY DATES.

(5) FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 27, 2025 TO AUGUST 27, 2028.

**Signature:** Shawn P. Payne  
**Date:** 2025-08-28

### Remarks:

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.**