Form4insider filings, from the source

Insider · CIK 0001409823

Kevin S Cavanah

Files at: MTRX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $846k · 2net −$846k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 27, 2026 DFMForm 4 →Aug 31, 3:36 pm EDTMATRIX SERVICE COMTRX42,421$10.86$264,61280,814—
Jun 12, 2026 SForm 4 →Jun 15, 4:05 pm EDTMATRIX SERVICE COMTRX3,491$14.01$48,91187,113−3.85%10b5-1
Jun 4, 2026 SForm 4 →Jun 8, 4:03 pm EDTMATRIX SERVICE COMTRX56,509$14.10$796,82590,604−38.4%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 27, 2026 MForm 4 →Aug 31, 3:36 pm EDTMATRIX SERVICE COMTRX18,061——0—