Form4insider filings, from the source

Company · CIK 0000866273 · SIC 1700 — Construction - Special Trade Contractors · Nasdaq

MATRIX SERVICE CO · MTRX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.1M · 3net −$1.1M
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 27, 2026 DFMForm 4 →Aug 31, 3:49 pm EDTJustin D SheetsSVP, Enterprise Services24,170$10.86$151,92269,474—
Aug 27, 2026 DFMForm 4 →Aug 31, 3:36 pm EDTKevin S CavanahVP Finance & CFO42,421$10.86$264,61280,814—
Aug 27, 2026 DFMForm 4 →Aug 31, 3:34 pm EDTShawn P PaynePresident & CEO, Director36,352$10.88$244,827123,946—
Aug 25, 2026 ADFMForm 4 →Sep 4, 11:04 am EDTDavid (james) MillerVP & General Counsel21,337$10.87$100,64423,366— late
Aug 25, 2026 AForm 4 →Aug 27, 1:02 pm EDTJustin D SheetsSVP, Enterprise Services8,939——73,276—
Aug 25, 2026 AForm 4 →Aug 27, 1:01 pm EDTShawn P PaynePresident & CEO, Director30,437——132,616—
Jun 12, 2026 SForm 4 →Jun 15, 4:05 pm EDTKevin S CavanahVP Finance & CFO3,491$14.01$48,91187,113−3.85%10b5-1
Jun 12, 2026 SForm 4 →Jun 15, 3:56 pm EDTJustin D SheetsSVP, Enterprise Services16,991$13.50$229,37964,337−20.9%
Jun 4, 2026 SForm 4 →Jun 8, 4:03 pm EDTKevin S CavanahVP Finance & CFO56,509$14.10$796,82590,604−38.4%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 27, 2026 MForm 4 →Aug 31, 3:49 pm EDTJustin D SheetsSVP, Enterprise Services10,184——0—
Aug 27, 2026 MForm 4 →Aug 31, 3:36 pm EDTKevin S CavanahVP Finance & CFO18,061——0—
Aug 27, 2026 MForm 4 →Aug 31, 3:34 pm EDTShawn P PaynePresident & CEO, Director13,841——0—
Aug 25, 2026 AMForm 4 →Sep 4, 11:04 am EDTDavid (james) MillerVP & General Counsel12,078——0— late
Aug 25, 2026 AForm 4 →Aug 27, 1:02 pm EDTJustin D SheetsSVP, Enterprise Services8,939——8,939—
Aug 25, 2026 AForm 4 →Aug 27, 1:01 pm EDTShawn P PaynePresident & CEO, Director30,437——30,437—