🕵️ Matrix Service Co ($MTRX)
SEC insider & ownership activity, last 12 months · CIK 866273 · every row links its SEC filing
Over the last 12 months insiders sold $2.5M against $29K of open-market buying. Kevin S. Cavanah sold $1.6M through a 10b5-1 trading plan in 5 lots (May–Jun). Blackrock, Inc. trimmed 12.4% → 6.8%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $29K (1 lots) · 5 sellers, $2.5M (11 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Kevin S. Cavanah | 0 | – | 5 | $1.6M | Jun 15, 2026 |
| John R. Hewitt | 0 | – | 1 | $450K | May 8, 2026 |
| Justin Sheets | 0 | – | 1 | $229K | Jun 12, 2026 |
| Shawn P Payne | 0 | – | 3 | $198K | Nov 25, 2025 |
| Nancy E. Austin | 0 | – | 1 | $47K | Feb 18, 2026 |
| John D. Chandler | 1 | $29K | 0 | – | Sep 16, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 6.8% | 13G | Apr 7, 2026 | filing ↗ | |
| Needham Investment Management LLC | 5.2% | 13G | Feb 13, 2025 | filing ↗ | |
| Needham Asset Management, LLC | 5.2% | 13G | Feb 13, 2025 | filing ↗ | |
| Needham Aggressive Growth Fund | 5.2% | 13G | Feb 13, 2025 | filing ↗ | |
| George A. Needham | 5.2% | 13G | Feb 13, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Justin Sheets | $229K | Jun 12, 2026 | filing ↗ |
| Kevin S. Cavanah | $840K | Jun 4, 2026 | filing ↗ |
| Kevin S. Cavanah | $764K | May 26, 2026 | filing ↗ |
| John R. Hewitt | $438K | May 8, 2026 | filing ↗ |
| Shawn P Payne | $60K | Nov 25, 2025 | filing ↗ |
| Shawn P Payne | $34K | Nov 20, 2025 | filing ↗ |
| Shawn P Payne | $104K | Nov 11, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Jun 28, 2026 | filing ↗ |
| Earnings (2.02) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 28, 2026 | filing ↗ |
| Earnings (2.02) | Feb 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 4, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 30, 2025 | filing ↗ |
| Earnings (2.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |
| Shareholder vote (5.07) | Nov 4, 2025 | filing ↗ |
| Earnings (2.02) | Sep 9, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 9, 2025 | filing ↗ |
| Material agreement (1.01) | Aug 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 22, 2025 | filing ↗ |