Matrix Service Co (MTRX) · Insider trading

What Matrix Service's directors, officers and largest holders bought and sold themselves, from the Form 4 each of them files with the SEC within two business days of a trade. Open-market purchases and sales first: those are the trades somebody chose to make at the market price.

Bought, 12 months

0 insiders, 0 trades

Sold, 12 months

$2.54M

5 insiders, 64% under a plan

Net, 12 months

−$2.54M

bought less sold

Latest filing

2026-09-04

filings read to 2026-10-19

Bought and sold at the market, by month

Two years. Purchases above the line, sales below, in dollars.

Bought Sold Largest month: $1.22M

Who traded, two years

Insider	Bought	Sold	Trades	Last trade	Holds after
Cavanah Kevin SVP Finance & CFO	–	$1.62M	5	2026-06-15	87,113
Hewitt John RDirector, President & CEO	–	$450,000	1	2026-05-08	581,806
Sheets Justin DSVP, Enterprise Services	–	$229,378	1	2026-06-12	64,337
Payne Shawn PPresident, Eng & Constr	–	$198,000	3	2025-11-25	102,179
Austin Nancy eVP, Chief Admin Officer	–	$47,339	1	2026-02-18	106,138
Chandler John DDirector	$29,302	–	1	2025-09-16	78,053

Open-market purchases and sales

Newest first. “Plan” marks a trade made under a 10b5-1 plan set up in advance.

Date	Insider	Trade	Shares	Price	Value	Holds after	Filing
2026-06-15	Cavanah Kevin SVP Finance & CFO	Saleplan	1,418	14.03	$19,895	87,113	Form 4
2026-06-12	Sheets Justin DSVP, Enterprise Services	Sale	16,991	13.50	$229,378	64,337	Form 4
2026-06-12	Cavanah Kevin SVP Finance & CFO	Saleplan	2,073	14.00	$29,022	88,531	Form 4
2026-06-05	Cavanah Kevin SVP Finance & CFO	Saleplan	6,509	14.13	$91,972	90,604	Form 4
2026-06-04	Cavanah Kevin SVP Finance & CFO	Saleplan	50,000	14.10	$705,000	97,113	Form 4
2026-05-26	Cavanah Kevin SVP Finance & CFO	Saleplan	60,000	12.90	$774,000	147,113	Form 4
2026-05-08	Hewitt John RDirector, President & CEO	Sale	36,000	12.50	$450,000	581,806	Form 4
2026-02-18	Austin Nancy eVP, Chief Admin Officer	Sale	4,193	11.29	$47,339	106,138	Form 4
2025-11-25	Payne Shawn PPresident, Eng & Constr	Sale	5,231	11.42	$59,738	102,179	Form 4
2025-11-20	Payne Shawn PPresident, Eng & Constr	Sale	3,019	11.42	$34,477	107,410	Form 4
2025-11-11	Payne Shawn PPresident, Eng & Constr	Sale	8,250	12.58	$103,785	110,429	Form 4
2025-09-16	Chandler John DDirector	Buy	2,300	12.74	$29,302	78,053	Form 4

Grants, exercises and other transactions

Pay, tax and paperwork rather than a choice to trade at the market price. Two years.

47 × shares withheld for tax40 × option exercise40 × returned to the company29 × grant or award

Show them

Date	Insider	What	Shares	Price	Holds after	Filing
2026-08-30	Miller David (James)VP & General Counsel	Option exercise M	+967	–	24,713	Form 4
2026-08-30	Miller David (James)VP & General Counsel	Returned to the company D	−967	10.83	23,746	Form 4
2026-08-30	Miller David (James)VP & General Counsel	Shares withheld for tax F	−380	10.83	23,366	Form 4
2026-08-30	Payne Shawn PDirector, President & CEO	Option exercise M	+2,817	–	127,871	Form 4
2026-08-30	Payne Shawn PDirector, President & CEO	Returned to the company D	−2,817	10.83	125,054	Form 4
2026-08-30	Payne Shawn PDirector, President & CEO	Shares withheld for tax F	−1,108	10.83	123,946	Form 4
2026-08-30	Cavanah Kevin SVP Finance & CFO	Option exercise M	+4,569	–	86,959	Form 4
2026-08-30	Cavanah Kevin SVP Finance & CFO	Returned to the company D	−4,569	10.83	82,390	Form 4
2026-08-30	Cavanah Kevin SVP Finance & CFO	Shares withheld for tax F	−1,576	10.83	80,814	Form 4
2026-08-30	Sheets Justin DSVP, Enterprise Services	Option exercise M	+2,576	–	73,012	Form 4
2026-08-30	Sheets Justin DSVP, Enterprise Services	Returned to the company D	−2,576	10.83	70,436	Form 4
2026-08-30	Sheets Justin DSVP, Enterprise Services	Shares withheld for tax F	−962	10.83	69,474	Form 4
2026-08-29	Miller David (James)VP & General Counsel	Option exercise M	+2,370	–	27,048	Form 4
2026-08-29	Miller David (James)VP & General Counsel	Returned to the company D	−2,370	10.83	24,678	Form 4
2026-08-29	Miller David (James)VP & General Counsel	Shares withheld for tax F	−932	10.83	23,746	Form 4
2026-08-29	Payne Shawn PDirector, President & CEO	Option exercise M	+4,077	–	130,735	Form 4
2026-08-29	Payne Shawn PDirector, President & CEO	Returned to the company D	−4,077	10.83	126,658	Form 4
2026-08-29	Payne Shawn PDirector, President & CEO	Shares withheld for tax F	−1,604	10.83	125,054	Form 4
2026-08-29	Cavanah Kevin SVP Finance & CFO	Option exercise M	+6,176	–	90,696	Form 4
2026-08-29	Cavanah Kevin SVP Finance & CFO	Returned to the company D	−6,176	10.83	84,520	Form 4
2026-08-29	Cavanah Kevin SVP Finance & CFO	Shares withheld for tax F	−2,130	10.83	82,390	Form 4
2026-08-29	Sheets Justin DSVP, Enterprise Services	Option exercise M	+3,482	–	75,218	Form 4
2026-08-29	Sheets Justin DSVP, Enterprise Services	Returned to the company D	−3,482	10.83	71,736	Form 4
2026-08-29	Sheets Justin DSVP, Enterprise Services	Shares withheld for tax F	−1,300	10.83	70,436	Form 4
2026-08-27	Miller David (James)VP & General Counsel	Option exercise M	+1,702	–	27,681	Form 4
2026-08-27	Miller David (James)VP & General Counsel	Returned to the company D	−1,702	10.91	25,979	Form 4
2026-08-27	Miller David (James)VP & General Counsel	Shares withheld for tax F	−669	10.91	25,310	Form 4
2026-08-27	Miller David (James)VP & General Counsel	Option exercise M	+1,607	–	26,917	Form 4
2026-08-27	Miller David (James)VP & General Counsel	Returned to the company D	−1,607	10.91	25,310	Form 4
2026-08-27	Miller David (James)VP & General Counsel	Shares withheld for tax F	−632	10.91	24,678	Form 4
2026-08-27	Payne Shawn PDirector, President & CEO	Option exercise M	+2,843	–	135,459	Form 4
2026-08-27	Payne Shawn PDirector, President & CEO	Returned to the company D	−2,843	10.91	132,616	Form 4
2026-08-27	Payne Shawn PDirector, President & CEO	Shares withheld for tax F	−1,118	10.91	131,498	Form 4
2026-08-27	Payne Shawn PDirector, President & CEO	Option exercise M	+4,104	–	135,602	Form 4
2026-08-27	Payne Shawn PDirector, President & CEO	Returned to the company D	−4,104	10.91	131,498	Form 4
2026-08-27	Payne Shawn PDirector, President & CEO	Shares withheld for tax F	−1,614	10.91	129,884	Form 4
2026-08-27	Payne Shawn PDirector, President & CEO	Shares withheld for tax F	−3,226	10.91	126,658	Form 4
2026-08-27	Cavanah Kevin SVP Finance & CFO	Option exercise M	+4,307	–	91,420	Form 4
2026-08-27	Cavanah Kevin SVP Finance & CFO	Returned to the company D	−4,307	10.91	87,113	Form 4
2026-08-27	Cavanah Kevin SVP Finance & CFO	Shares withheld for tax F	−1,485	10.91	85,628	Form 4
2026-08-27	Cavanah Kevin SVP Finance & CFO	Option exercise M	+3,009	–	88,637	Form 4
2026-08-27	Cavanah Kevin SVP Finance & CFO	Returned to the company D	−3,009	10.91	85,628	Form 4
2026-08-27	Cavanah Kevin SVP Finance & CFO	Shares withheld for tax F	−1,108	10.91	84,520	Form 4
2026-08-27	Sheets Justin DSVP, Enterprise Services	Option exercise M	+2,429	–	75,705	Form 4
2026-08-27	Sheets Justin DSVP, Enterprise Services	Returned to the company D	−2,429	10.91	73,276	Form 4
2026-08-27	Sheets Justin DSVP, Enterprise Services	Shares withheld for tax F	−907	10.91	72,369	Form 4
2026-08-27	Sheets Justin DSVP, Enterprise Services	Option exercise M	+1,697	–	74,066	Form 4
2026-08-27	Sheets Justin DSVP, Enterprise Services	Returned to the company D	−1,697	10.91	72,369	Form 4
2026-08-27	Sheets Justin DSVP, Enterprise Services	Shares withheld for tax F	−633	10.91	71,736	Form 4
2026-08-25	Miller David (James)VP & General Counsel	Grant or award A	+5,432	–	25,979	Form 4
2026-08-25	Payne Shawn PDirector, President & CEO	Grant or award A	+30,437	–	132,616	Form 4
2026-08-25	Sheets Justin DSVP, Enterprise Services	Grant or award A	+8,939	–	73,276	Form 4
2025-11-04	Bustamante Jose Luis M.Director	Grant or award A	+7,986	–	41,624	Form 4
2025-11-04	Chandler John DDirector	Grant or award A	+7,986	–	86,039	Form 4
2025-11-04	Conner Carlin G.Director	Grant or award A	+7,986	–	55,219	Form 4
2025-11-04	Hinrichs Liane KDirector	Grant or award A	+7,986	–	64,288	Form 4
2025-11-04	Miller James HarryDirector	Grant or award A	+7,986	–	92,078	Form 4
2025-11-04	Carnes Martha Z.Director	Grant or award A	+7,986	–	71,183	Form 4
2025-08-30	Hewitt John RDirector, President & CEO	Option exercise M	+9,225	–	555,084	Form 4
2025-08-30	Hewitt John RDirector, President & CEO	Returned to the company D	−9,225	15.13	545,859	Form 4
2025-08-30	Hewitt John RDirector, President & CEO	Shares withheld for tax F	−3,851	15.13	542,008	Form 4
2025-08-30	Hewitt John RDirector, President & CEO	Option exercise M	+10,994	–	553,002	Form 4
2025-08-30	Hewitt John RDirector, President & CEO	Returned to the company D	−10,994	15.13	542,008	Form 4
2025-08-30	Hewitt John RDirector, President & CEO	Shares withheld for tax F	−4,589	15.13	537,419	Form 4
2025-08-30	Hewitt John RDirector, President & CEO	Grant or award A	+143,805	–	681,224	Form 4
2025-08-30	Hewitt John RDirector, President & CEO	Shares withheld for tax F	−63,418	15.13	617,806	Form 4
2025-08-30	Cavanah Kevin SVP Finance & CFO	Option exercise M	+3,834	–	189,618	Form 4
2025-08-30	Cavanah Kevin SVP Finance & CFO	Returned to the company D	−3,834	15.13	185,784	Form 4
2025-08-30	Cavanah Kevin SVP Finance & CFO	Shares withheld for tax F	−1,332	15.13	184,452	Form 4
2025-08-30	Cavanah Kevin SVP Finance & CFO	Option exercise M	+4,569	–	189,021	Form 4
2025-08-30	Cavanah Kevin SVP Finance & CFO	Returned to the company D	−4,569	15.13	184,452	Form 4
2025-08-30	Cavanah Kevin SVP Finance & CFO	Shares withheld for tax F	−1,587	15.13	182,865	Form 4
2025-08-30	Cavanah Kevin SVP Finance & CFO	Grant or award A	+39,847	–	222,712	Form 4
2025-08-30	Cavanah Kevin SVP Finance & CFO	Shares withheld for tax F	−15,599	15.13	207,113	Form 4
2025-08-30	Payne Shawn PPresident, Eng & Constr	Option exercise M	+1,513	–	106,995	Form 4
2025-08-30	Payne Shawn PPresident, Eng & Constr	Returned to the company D	−1,513	15.13	105,482	Form 4
2025-08-30	Payne Shawn PPresident, Eng & Constr	Shares withheld for tax F	−595	15.13	104,887	Form 4
2025-08-30	Payne Shawn PPresident, Eng & Constr	Option exercise M	+2,817	–	107,704	Form 4
2025-08-30	Payne Shawn PPresident, Eng & Constr	Returned to the company D	−2,817	15.13	104,887	Form 4
2025-08-30	Payne Shawn PPresident, Eng & Constr	Shares withheld for tax F	−1,108	15.13	103,779	Form 4
2025-08-30	Payne Shawn PPresident, Eng & Constr	Grant or award A	+24,567	–	128,346	Form 4
2025-08-30	Payne Shawn PPresident, Eng & Constr	Shares withheld for tax F	−9,667	15.13	118,679	Form 4
2025-08-30	Austin Nancy eVP, Chief Admin Officer	Option exercise M	+2,162	–	100,186	Form 4
2025-08-30	Austin Nancy eVP, Chief Admin Officer	Returned to the company D	−2,162	15.13	98,024	Form 4
2025-08-30	Austin Nancy eVP, Chief Admin Officer	Shares withheld for tax F	−629	15.13	97,395	Form 4
2025-08-30	Austin Nancy eVP, Chief Admin Officer	Option exercise M	+2,577	–	99,972	Form 4
2025-08-30	Austin Nancy eVP, Chief Admin Officer	Returned to the company D	−2,577	15.13	97,395	Form 4
2025-08-30	Austin Nancy eVP, Chief Admin Officer	Shares withheld for tax F	−749	15.13	96,646	Form 4
2025-08-30	Austin Nancy eVP, Chief Admin Officer	Grant or award A	+22,471	–	119,117	Form 4
2025-08-30	Austin Nancy eVP, Chief Admin Officer	Shares withheld for tax F	−8,786	15.13	110,331	Form 4
2025-08-30	Montalbano Douglas JPresident, Matrix NAC	Option exercise M	+1,210	–	55,536	Form 4
2025-08-30	Montalbano Douglas JPresident, Matrix NAC	Returned to the company D	−1,210	15.13	54,326	Form 4
2025-08-30	Montalbano Douglas JPresident, Matrix NAC	Shares withheld for tax F	−520	15.13	53,806	Form 4
2025-08-30	Montalbano Douglas JPresident, Matrix NAC	Option exercise M	+1,881	–	55,687	Form 4
2025-08-30	Montalbano Douglas JPresident, Matrix NAC	Returned to the company D	−1,881	15.13	53,806	Form 4
2025-08-30	Montalbano Douglas JPresident, Matrix NAC	Shares withheld for tax F	−808	15.13	52,998	Form 4
2025-08-30	Montalbano Douglas JPresident, Matrix NAC	Grant or award A	+16,406	–	69,404	Form 4
2025-08-30	Montalbano Douglas JPresident, Matrix NAC	Shares withheld for tax F	−7,052	15.13	62,352	Form 4
2025-08-30	Sheets Justin DVP, Legal & Ops Services	Option exercise M	+2,162	–	71,657	Form 4
2025-08-30	Sheets Justin DVP, Legal & Ops Services	Returned to the company D	−2,162	15.13	69,495	Form 4
2025-08-30	Sheets Justin DVP, Legal & Ops Services	Shares withheld for tax F	−845	15.13	68,650	Form 4
2025-08-30	Sheets Justin DVP, Legal & Ops Services	Option exercise M	+2,577	–	71,227	Form 4
2025-08-30	Sheets Justin DVP, Legal & Ops Services	Returned to the company D	−2,577	15.13	68,650	Form 4
2025-08-30	Sheets Justin DVP, Legal & Ops Services	Shares withheld for tax F	−1,007	15.13	67,643	Form 4
2025-08-30	Sheets Justin DVP, Legal & Ops Services	Grant or award A	+22,471	–	90,114	Form 4
2025-08-30	Sheets Justin DVP, Legal & Ops Services	Shares withheld for tax F	−8,786	15.13	81,328	Form 4
2025-08-29	Hewitt John RDirector, President & CEO	Option exercise M	+14,859	–	565,427	Form 4
2025-08-29	Hewitt John RDirector, President & CEO	Returned to the company D	−14,859	15.13	550,568	Form 4
2025-08-29	Hewitt John RDirector, President & CEO	Shares withheld for tax F	−4,709	15.13	545,859	Form 4
2025-08-29	Cavanah Kevin SVP Finance & CFO	Option exercise M	+6,176	–	194,106	Form 4
2025-08-29	Cavanah Kevin SVP Finance & CFO	Returned to the company D	−6,176	15.13	187,930	Form 4
2025-08-29	Cavanah Kevin SVP Finance & CFO	Shares withheld for tax F	−2,146	15.13	185,784	Form 4
2025-08-29	Payne Shawn PPresident, Eng & Constr	Option exercise M	+4,077	–	111,163	Form 4
2025-08-29	Payne Shawn PPresident, Eng & Constr	Returned to the company D	−4,077	15.13	107,086	Form 4
2025-08-29	Payne Shawn PPresident, Eng & Constr	Shares withheld for tax F	−1,604	15.13	105,482	Form 4
2025-08-29	Austin Nancy eVP, Chief Admin Officer	Option exercise M	+3,483	–	102,520	Form 4
2025-08-29	Austin Nancy eVP, Chief Admin Officer	Returned to the company D	−3,483	15.13	99,037	Form 4
2025-08-29	Austin Nancy eVP, Chief Admin Officer	Shares withheld for tax F	−1,013	15.13	98,024	Form 4
2025-08-29	Montalbano Douglas JPresident, Matrix NAC	Option exercise M	+3,529	–	59,372	Form 4
2025-08-29	Montalbano Douglas JPresident, Matrix NAC	Returned to the company D	−3,529	15.13	55,843	Form 4
2025-08-29	Montalbano Douglas JPresident, Matrix NAC	Shares withheld for tax F	−1,517	15.13	54,326	Form 4
2025-08-29	Sheets Justin DVP, Legal & Ops Services	Option exercise M	+3,483	–	74,339	Form 4
2025-08-29	Sheets Justin DVP, Legal & Ops Services	Returned to the company D	−3,483	15.13	70,856	Form 4
2025-08-29	Sheets Justin DVP, Legal & Ops Services	Shares withheld for tax F	−1,361	15.13	69,495	Form 4
2025-08-27	Hewitt John RDirector, President & CEO	Grant or award A	+26,774	–	553,583	Form 4
2025-08-27	Hewitt John RDirector, President & CEO	Option exercise M	+10,363	–	563,946	Form 4
2025-08-27	Hewitt John RDirector, President & CEO	Returned to the company D	−10,363	15.37	553,583	Form 4
2025-08-27	Hewitt John RDirector, President & CEO	Shares withheld for tax F	−3,015	15.37	550,568	Form 4
2025-08-27	Cavanah Kevin SVP Finance & CFO	Grant or award A	+12,035	–	189,527	Form 4
2025-08-27	Cavanah Kevin SVP Finance & CFO	Option exercise M	+4,307	–	193,834	Form 4
2025-08-27	Cavanah Kevin SVP Finance & CFO	Returned to the company D	−4,307	15.37	189,527	Form 4
2025-08-27	Cavanah Kevin SVP Finance & CFO	Shares withheld for tax F	−1,597	15.37	187,930	Form 4
2025-08-27	Payne Shawn PPresident, Eng & Constr	Grant or award A	+16,416	–	75,401	Form 4
2025-08-27	Payne Shawn PPresident, Eng & Constr	Grant or award A	+32,800	–	108,201	Form 4
2025-08-27	Payne Shawn PPresident, Eng & Constr	Option exercise M	+2,844	–	111,045	Form 4
2025-08-27	Payne Shawn PPresident, Eng & Constr	Returned to the company D	−2,844	15.37	108,201	Form 4
2025-08-27	Payne Shawn PPresident, Eng & Constr	Shares withheld for tax F	−1,115	15.37	107,086	Form 4
2025-08-27	Montalbano Douglas JPresident, Matrix NAC	Grant or award A	+7,909	–	56,901	Form 4
2025-08-27	Montalbano Douglas JPresident, Matrix NAC	Option exercise M	+2,462	–	59,363	Form 4
2025-08-27	Montalbano Douglas JPresident, Matrix NAC	Returned to the company D	−2,462	15.37	56,901	Form 4
2025-08-27	Montalbano Douglas JPresident, Matrix NAC	Shares withheld for tax F	−1,058	15.37	55,843	Form 4
2025-08-27	Austin Nancy eVP, Chief Admin Officer	Grant or award A	+6,787	–	99,743	Form 4
2025-08-27	Austin Nancy eVP, Chief Admin Officer	Option exercise M	+2,429	–	102,172	Form 4
2025-08-27	Austin Nancy eVP, Chief Admin Officer	Returned to the company D	−2,429	15.37	99,743	Form 4
2025-08-27	Austin Nancy eVP, Chief Admin Officer	Shares withheld for tax F	−706	15.37	99,037	Form 4
2025-08-27	Sheets Justin DVP, Legal & Ops Services	Grant or award A	+6,787	–	71,805	Form 4
2025-08-27	Sheets Justin DVP, Legal & Ops Services	Option exercise M	+2,429	–	74,234	Form 4
2025-08-27	Sheets Justin DVP, Legal & Ops Services	Returned to the company D	−2,429	15.37	71,805	Form 4
2025-08-27	Sheets Justin DVP, Legal & Ops Services	Shares withheld for tax F	−949	15.37	70,856	Form 4
2025-01-01	Miller James HarryDirector	Grant or award A	+418	11.97	84,092	Form 4
2024-11-05	Bustamante Jose Luis M.Director	Grant or award A	+8,290	–	33,638	Form 4
2024-11-05	Carnes Martha Z.Director	Grant or award A	+8,290	–	63,197	Form 4
2024-11-05	Chandler John DDirector	Grant or award A	+8,290	–	75,753	Form 4
2024-11-05	Conner Carlin G.Director	Grant or award A	+8,290	–	47,233	Form 4
2024-11-05	Hinrichs Liane KDirector	Grant or award A	+8,290	–	56,302	Form 4
2024-11-05	Miller James HarryDirector	Grant or award A	+8,290	–	83,674	Form 4

How to read it

Buy, sale: Code P and S on the form: shares bought or sold in the market, at the market price. The other codes are mostly pay (a grant, an option exercised) or tax (shares the company withheld), and say little about what the insider thinks of the price.
Plan: A sale or purchase under a Rule 10b5-1 plan, set up in advance and running on its own schedule. Since April 2023 the form has a box for it. Much executive selling is planned and says more about diversifying than about the company.
Holds after: The shares the insider still held after the trade, in the form the trade was in (directly, or indirectly through a trust or a fund).
Value: Shares times the price the form reports, which is often an average over several fills on the day.

Read from the SEC's own quarterly data sets of Forms 3, 4 and 5, and from each day's filings since the last one. A correcting amendment replaces the lines it restates. Every row links to its filing. None of this is advice: insiders sell for many reasons, and buy for fewer.

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