Matrix Service CFO sells 3,491 shares in plan

Matrix Service Company VP Finance & CFO Kevin S. Cavanah reported open-market sales of 3,491 shares of common stock in June 2026 under a pre-arranged Rule 10b5-1 trading plan.

Rhea-AI Filing Summary

Matrix Service Company VP Finance & CFO Kevin S. Cavanah reported open-market sales of 3,491 shares of common stock in June 2026 under a pre-arranged Rule 10b5-1 trading plan. The shares were sold in two transactions at prices around $14 per share.

After these sales, he directly holds 87,113 Matrix Service shares.

Insider Trade Summary 10b5-1

Net Seller: 3,491 shares

Net Sell 2 txns

Insider Cavanah Kevin S

Role VP Finance & CFO

Sold 3,491 shs ($49K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,418	$14.0258	$20K
Sale	Common Stock	2,073	$14.00	$29K

Holdings After Transaction: Common Stock — 87,113 shares (Direct)

Footnotes (2)

1. F1. The shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 23, 2026.
2. F2. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.00 TO $14.04, inclusive. The reporting person undertakes to provide to Matrix Service Company, any security holder of Matrix Service Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth.

Key Figures

Shares sold 15 Jun 2026: 1,418 shares at $14.0258 Shares sold 12 Jun 2026: 2,073 shares at $14.00 Total shares sold: 3,491 shares +1 more

4 metrics

Shares sold 15 Jun 2026 1,418 shares at $14.0258 Open-market sale of common stock on June 15, 2026

Shares sold 12 Jun 2026 2,073 shares at $14.00 Open-market sale of common stock on June 12, 2026

Total shares sold 3,491 shares Net shares sold across both reported transactions

Shares owned after sales 87,113 shares Direct common stock holdings following June 2026 transactions

Key Terms

Rule 10b5-1 trading plan, weighted average price, open-market sale

3 terms

Rule 10b5-1 trading plan regulatory

"The shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average price financial

"The price reported is a weighted average price. These shares were sold in multiple transactions"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open-market sale financial

"transaction_action": "open-market sale","transaction_code_description": "Sale in open market or private transaction""

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did MATRIX SERVICE CO (MTRX) report in this Form 4?

The Form 4 reports that VP Finance & CFO Kevin S. Cavanah sold 3,491 shares of Matrix Service common stock in June 2026 through open-market transactions executed under a Rule 10b5-1 trading plan.

On what dates did the MATRIX SERVICE CO (MTRX) CFO sell shares?

Kevin S. Cavanah sold Matrix Service common stock on June 12, 2026 and June 15, 2026. These trades are reported as open-market sales executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted earlier in 2026.

How many MATRIX SERVICE CO (MTRX) shares did the CFO sell and at what prices?

He sold 2,073 shares at $14.00 per share on June 12, 2026 and 1,418 shares at a weighted average price of $14.0258 on June 15, 2026, with individual trades ranging from $14.00 to $14.04.

How many MATRIX SERVICE CO (MTRX) shares does the CFO hold after these sales?

Following the reported transactions, VP Finance & CFO Kevin S. Cavanah directly holds 87,113 shares of Matrix Service common stock. This post-transaction ownership figure is disclosed in the Form 4 for each of the sales reported.

Were the MATRIX SERVICE CO (MTRX) insider sales made under a Rule 10b5-1 plan?

Yes. A footnote states the shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 23, 2026. Such plans pre-schedule trades to provide structure for insider stock sales.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/15/2026 - 04:05 PM EDT Learn about SEC filing dates

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).

X

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^*

Cavanah Kevin S

(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)
	VP Finance & CFO

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		2,073(1)	D	$14	88,531	D
Common Stock	06/15/2026		S		1,418(1)	D	$14.0258(2)	87,113	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. The shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 23, 2026.

2. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.00 TO $14.04, inclusive. The reporting person undertakes to provide to Matrix Service Company, any security holder of Matrix Service Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth.

Remarks:

	Kevin S. Cavanah	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)