MATRIX SERVICE CO — Director's Dealing 2025

Aug 29, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MATRIX SERVICE CO (MTRX)
CIK: 0000866273
Period of Report: 2025-08-27

Reporting Person: AUSTIN NANCY E (VP, Chief Admin Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-27	COMMON STOCK	A	6787	—	Acquired	99743	Direct
2025-08-27	COMMON STOCK	M	2429	—	Acquired	102172	Direct
2025-08-27	COMMON STOCK	D	2429	$15.37	Disposed	99743	Direct
2025-08-27	COMMON STOCK	F	706	$15.37	Disposed	99037	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-08-27	RESTRICTED STOCK UNITS	$	A	6787	Acquired	2029-08-27	COMMON STOCK (6787)	Direct
2025-08-27	RESTRICTED STOCK UNITS	$	M	2429	Disposed	2028-08-27	COMMON STOCK (2429)	Direct

Footnotes

F1: 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.

F2: 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.

F3: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

F4: 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.

F5: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 27, 2025 TO AUGUST 27, 2028.