13 insiders reported 161 Form 4 transactions for MATRIX SERVICE CO (MTRX) over the past 18 months (most recent 2026-09-04). Recent activity: MILLER DAVID (JAMES) (VP & General Counsel) Buy 5,432 shares, MILLER DAVID (JAMES) (VP & General Counsel) Buy 1,702 shares, MILLER DAVID (JAMES) (VP & General Counsel) Sell 1,702 shares, MILLER DAVID (JAMES) (VP & General Counsel) Sell 669 shares, MILLER DAVID (JAMES) (VP & General Counsel) Buy 1,607 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Buy | 5,432 | $0 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Buy | 1,702 | $0 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Sell | 1,702 | $18,569 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Sell | 669 | $7,299 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Buy | 1,607 | $0 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Sell | 1,607 | $17,532 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Sell | 632 | $6,895 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Buy | 2,370 | $0 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Sell | 2,370 | $25,667 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Sell | 932 | $10,094 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Buy | 967 | $0 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Sell | 967 | $10,473 |
| 2026-09-04 | MILLER DAVID (JAMES) | VP & General Counsel | Sell | 380 | $4,115 |
| 2026-08-31 | Cavanah Kevin S | VP Finance & CFO | Buy | 4,307 | $0 |
| 2026-08-31 | SHEETS JUSTIN D | SVP, Enterprise Services | Buy | 2,429 | $0 |
| 2026-08-31 | PAYNE SHAWN P | President & CEO | Buy | 2,843 | $0 |
| 2026-08-31 | Cavanah Kevin S | VP Finance & CFO | Sell | 4,307 | $46,989 |
| 2026-08-31 | SHEETS JUSTIN D | SVP, Enterprise Services | Sell | 2,429 | $26,500 |
| 2026-08-31 | PAYNE SHAWN P | President & CEO | Sell | 2,843 | $31,017 |
| 2026-08-31 | Cavanah Kevin S | VP Finance & CFO | Sell | 1,485 | $16,201 |
| 2026-08-31 | SHEETS JUSTIN D | SVP, Enterprise Services | Sell | 907 | $9,895 |
| 2026-08-31 | PAYNE SHAWN P | President & CEO | Sell | 1,118 | $12,197 |
| 2026-08-31 | Cavanah Kevin S | VP Finance & CFO | Buy | 3,009 | $0 |
| 2026-08-31 | SHEETS JUSTIN D | SVP, Enterprise Services | Buy | 1,697 | $0 |
| 2026-08-31 | PAYNE SHAWN P | President & CEO | Buy | 4,104 | $0 |
Source: SEC Form 4 filings · as of 2026-09-04