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MTRX · Current Report (Form 8-K) · Filed January 6, 2026

Matrix Service Co — Current Report (Form 8-K)

Form
8-K
Filed
January 6, 2026
Period
Dec 30, 2025
Ticker
MTRX
Accession
0000866273-26-000006
Boardroom Alpha · Filing insights

Douglas J. Montalbano resigns as President of Matrix NAC; interim replacement will be a current Matrix NAC employee reporting to the President of Engineering & Construction.

About Matrix Service Co
Market cap
$277M
1Y TSR
−22.5%
3Y TSR
+3.5%
Board grade
C-
Sector
Industrials
CEO
Shawn P Payne
Last annual meeting: Nov 3, 2026 · View full Matrix Service Co profile →
mtrx-20251230

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
 _________________
FORM 8-K
__________________ 
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported) December 30, 2025
___________________ 
Matrix Service Company
(Exact Name of Registrant as Specified in Its Charter)
___________________ 
Delaware 001-15461 73-1352174
(State or Other Jurisdiction
of Incorporation)
 (Commission
File Number)
 (IRS Employer
Identification No.)
15 East 5th Street, Suite 1100, Tulsa, Oklahoma 74103
(Address of principal executive offices and zip code)
918-838-8822
(Registrant’s Telephone Number, Including Area Code)
NOT APPLICABLE
(Former Name or Former Address, if Changed Since Last Report)
__________________ 
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each class Trading Symbol(s)Name of each exchange on which registered
Common Stock, par value $0.01 per shareMTRXNASDAQ Global Select Market
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Act of 1934 (17 CFR §240.12b-2).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected to not use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.



Item 5.02    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On December 30, 2025, Mr. Douglas J. Montalbano notified Matrix Service Company (the “Company”) that he is resigning his position as President of Matrix North American Construction, Inc. (“Matrix NAC”), a union operating subsidiary of the Company, effective January 16, 2026. The resignation of Mr. Montalbano is not related to any dispute or disagreement with Matrix NAC, its clients, or the Company on any matter related to our operations, policies or practice. The role of President of Matrix NAC will be filled on an interim basis by a current employee and officer of Matrix NAC, who will report to Mr. Shawn Payne, President, Engineering & Construction of the Company.





SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 
 Matrix Service Company
Dated: January 6, 2026 By: /s/ Kevin S. Cavanah
   
  Kevin S. Cavanah
  Vice President and Chief Financial Officer

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Reference

Frequently asked questions

When did Matrix Service Co file this 8-K?
Matrix Service Co (MTRX) filed this Current Report (Form 8-K) with the SEC on January 6, 2026. The accession number assigned by EDGAR is 0000866273-26-000006.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Douglas J. Montalbano resigns as President of Matrix NAC; interim replacement will be a current Matrix NAC employee reporting to the President of Engineering & Construction. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Matrix Service Co's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Matrix Service Co has filed under CIK 866273, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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