Matrix Service Co provides engineering, fabrication, construction, maintenance, and repair services prominently to the energy and industrial markets. The company operates through three main segments: Storage and Terminal Solutions, Utility and Power Infrastructure, and Process and Industrial Facilities. These segments cover services like building and maintaining storage tanks and terminals, supporting power delivery and new power generation projects including renewables, as well as plant maintenance and turnarounds for refining and petrochemical industries. Matrix generates revenue by delivering these services to clients in oil, gas, power, and petrochemical sectors across North America and internationally.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 5 | 76,991 | $1.08M |
| Grant or award | 4 | 78,752 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
37 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Justin D. Sheets - Officer | Grant or award | Common Stock | 8,939 | $0.00 | - | |
| Justin D. Sheets - Officer | Grant or award | Restricted Stock Units | 8,939 | $0.00 | - | |
| Shawn P. Payne - Officer | Grant or award | Common Stock | 30,437 | $0.00 | - | |
| Shawn P. Payne - Officer | Grant or award | Restricted Stock Units | 30,437 | $0.00 | - | |
| Open-market sale | Common Stock | 2,073 | $14.00 | $29K | ||
| Open-market sale | Common Stock | 1,418 | $14.03 | $20K | ||
| Justin D. Sheets - Officer | Open-market sale | Common Stock | 16,991 | $13.50 | $229K | |
| Open-market sale | Common Stock | 50,000 | $14.10 | $705K | ||
| Open-market sale | Common Stock | 6,509 | $14.13 | $92K | ||
| Open-market sale | Common Stock | 60,000 | $12.90 | $774K | ||
| Open-market sale | Common Stock | 36,000 | $12.50 | $450K | ||
| Open-market sale | COMMON STOCK | 4,193 | $11.29 | $47K | ||
| Shawn P. Payne - Officer | Open-market sale | COMMON STOCK | 5,231 | $11.42 | $60K | |
| Shawn P. Payne - Officer | Open-market sale | COMMON STOCK | 3,019 | $11.42 | $34K | |
| Shawn P. Payne - Officer | Open-market sale | COMMON STOCK | 8,250 | $12.58 | $104K | |
| James Harry Miller - Director | Grant or award | COMMON STOCK | 7,986 | $0.00 | - | |
| Liane K. Hinrichs - Director | Grant or award | COMMON STOCK | 7,986 | $0.00 | - | |
| Carlin G. Conner - Director | Grant or award | COMMON STOCK | 7,986 | $0.00 | - | |
| John D. Chandler - Director | Grant or award | COMMON STOCK | 7,986 | $0.00 | - | |
| Jose Luis M. Bustamante - Director | Grant or award | COMMON STOCK | 7,986 | $0.00 | - | |
| Martha Z. Carnes - Director | Grant or award | COMMON STOCK | 7,986 | $0.00 | - | |
| John D. Chandler - Director | Open-market purchase | COMMON STOCK | 2,300 | $12.74 | $29K | |
| Option exercise | COMMON STOCK | 3,483 | - | - | ||
| Derivative | COMMON STOCK | 3,483 | $15.13 | $53K | ||
| Tax withholding / forfeiture | COMMON STOCK | 1,013 | $15.13 | $15K | ||
| Option exercise | COMMON STOCK | 2,162 | - | - | ||
| Derivative | COMMON STOCK | 2,162 | $15.13 | $33K | ||
| Tax withholding / forfeiture | COMMON STOCK | 629 | $15.13 | $10K | ||
| Option exercise | COMMON STOCK | 2,577 | - | - | ||
| Derivative | COMMON STOCK | 2,577 | $15.13 | $39K | ||
| Tax withholding / forfeiture | COMMON STOCK | 749 | $15.13 | $11K | ||
| Grant or award | COMMON STOCK | 22,471 | $0.00 | - | ||
| Tax withholding / forfeiture | COMMON STOCK | 8,786 | $15.13 | $133K | ||
| Option exercise | RESTRICTED STOCK UNITS | 3,483 | $0.00 | - | ||
| Option exercise | RESTRICTED STOCK UNITS | 2,162 | $0.00 | - | ||
| Option exercise | RESTRICTED STOCK UNITS | 2,577 | $0.00 | - | ||
| Shawn P. Payne - Officer | Option exercise | COMMON STOCK | 4,077 | - | - | |
| Shawn P. Payne - Officer | Derivative | COMMON STOCK | 4,077 | $15.13 | $62K | |
| Shawn P. Payne - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,604 | $15.13 | $24K | |
| Shawn P. Payne - Officer | Option exercise | COMMON STOCK | 1,513 | - | - | |
| Shawn P. Payne - Officer | Derivative | COMMON STOCK | 1,513 | $15.13 | $23K | |
| Shawn P. Payne - Officer | Tax withholding / forfeiture | COMMON STOCK | 595 | $15.13 | $9K | |
| Shawn P. Payne - Officer | Option exercise | COMMON STOCK | 2,817 | - | - | |
| Shawn P. Payne - Officer | Derivative | COMMON STOCK | 2,817 | $15.13 | $43K | |
| Shawn P. Payne - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,108 | $15.13 | $17K | |
| Shawn P. Payne - Officer | Grant or award | COMMON STOCK | 24,567 | $0.00 | - | |
| Shawn P. Payne - Officer | Tax withholding / forfeiture | COMMON STOCK | 9,667 | $15.13 | $146K | |
| Shawn P. Payne - Officer | Option exercise | RESTRICTED STOCK UNITS | 4,077 | $0.00 | - | |
| Shawn P. Payne - Officer | Option exercise | RESTRICTED STOCK UNITS | 1,513 | $0.00 | - | |
| Shawn P. Payne - Officer | Option exercise | RESTRICTED STOCK UNITS | 2,817 | $0.00 | - | |
| Justin D. Sheets - Officer | Option exercise | COMMON STOCK | 3,483 | - | - | |
| Justin D. Sheets - Officer | Derivative | COMMON STOCK | 3,483 | $15.13 | $53K | |
| Justin D. Sheets - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,361 | $15.13 | $21K | |
| Justin D. Sheets - Officer | Option exercise | COMMON STOCK | 2,162 | - | - | |
| Justin D. Sheets - Officer | Derivative | COMMON STOCK | 2,162 | $15.13 | $33K | |
| Justin D. Sheets - Officer | Tax withholding / forfeiture | COMMON STOCK | 845 | $15.13 | $13K | |
| Justin D. Sheets - Officer | Option exercise | COMMON STOCK | 2,577 | - | - | |
| Justin D. Sheets - Officer | Derivative | COMMON STOCK | 2,577 | $15.13 | $39K | |
| Justin D. Sheets - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,007 | $15.13 | $15K | |
| Justin D. Sheets - Officer | Grant or award | COMMON STOCK | 22,471 | $0.00 | - | |
| Justin D. Sheets - Officer | Tax withholding / forfeiture | COMMON STOCK | 8,786 | $15.13 | $133K | |
| Justin D. Sheets - Officer | Option exercise | RESTRICTED STOCK UNITS | 3,483 | $0.00 | - | |
| Justin D. Sheets - Officer | Option exercise | RESTRICTED STOCK UNITS | 2,162 | $0.00 | - | |
| Justin D. Sheets - Officer | Option exercise | RESTRICTED STOCK UNITS | 2,577 | $0.00 | - | |
| Douglas J. Montalbano - Officer | Option exercise | COMMON STOCK | 3,529 | - | - | |
| Douglas J. Montalbano - Officer | Derivative | COMMON STOCK | 3,529 | $15.13 | $53K | |
| Douglas J. Montalbano - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,517 | $15.13 | $23K | |
| Douglas J. Montalbano - Officer | Option exercise | COMMON STOCK | 1,210 | - | - | |
| Douglas J. Montalbano - Officer | Derivative | COMMON STOCK | 1,210 | $15.13 | $18K | |
| Douglas J. Montalbano - Officer | Tax withholding / forfeiture | COMMON STOCK | 520 | $15.13 | $8K | |
| Douglas J. Montalbano - Officer | Option exercise | COMMON STOCK | 1,881 | - | - | |
| Douglas J. Montalbano - Officer | Derivative | COMMON STOCK | 1,881 | $15.13 | $28K | |
| Douglas J. Montalbano - Officer | Tax withholding / forfeiture | COMMON STOCK | 808 | $15.13 | $12K | |
| Douglas J. Montalbano - Officer | Grant or award | COMMON STOCK | 16,406 | $0.00 | - | |
| Douglas J. Montalbano - Officer | Tax withholding / forfeiture | COMMON STOCK | 7,052 | $15.13 | $107K | |
| Douglas J. Montalbano - Officer | Option exercise | RESTRICTED STOCK UNITS | 3,529 | $0.00 | - | |
| Douglas J. Montalbano - Officer | Option exercise | RESTRICTED STOCK UNITS | 1,210 | $0.00 | - | |
| Douglas J. Montalbano - Officer | Option exercise | RESTRICTED STOCK UNITS | 1,881 | $0.00 | - | |
| Option exercise | COMMON STOCK | 14,859 | - | - | ||
| Derivative | COMMON STOCK | 14,859 | $15.13 | $225K | ||
| Tax withholding / forfeiture | COMMON STOCK | 4,709 | $15.13 | $71K | ||
| Option exercise | COMMON STOCK | 9,225 | - | - | ||
| Derivative | COMMON STOCK | 9,225 | $15.13 | $140K | ||
| Tax withholding / forfeiture | COMMON STOCK | 3,851 | $15.13 | $58K | ||
| Option exercise | COMMON STOCK | 10,994 | - | - | ||
| Derivative | COMMON STOCK | 10,994 | $15.13 | $166K | ||
| Tax withholding / forfeiture | COMMON STOCK | 4,589 | $15.13 | $69K | ||
| Grant or award | COMMON STOCK | 143,805 | $0.00 | - | ||
| Tax withholding / forfeiture | COMMON STOCK | 63,418 | $15.13 | $960K | ||
| Option exercise | RESTRICTED STOCK UNITS | 14,859 | $0.00 | - | ||
| Option exercise | RESTRICTED STOCK UNITS | 9,225 | $0.00 | - | ||
| Option exercise | RESTRICTED STOCK UNITS | 10,994 | $0.00 | - | ||
| Option exercise | COMMON STOCK | 6,176 | - | - | ||
| Derivative | COMMON STOCK | 6,176 | $15.13 | $93K | ||
| Tax withholding / forfeiture | COMMON STOCK | 2,146 | $15.13 | $32K | ||
| Option exercise | COMMON STOCK | 3,834 | - | - | ||
| Derivative | COMMON STOCK | 3,834 | $15.13 | $58K | ||
| Tax withholding / forfeiture | COMMON STOCK | 1,332 | $15.13 | $20K | ||
| Option exercise | COMMON STOCK | 4,569 | - | - | ||
| Derivative | COMMON STOCK | 4,569 | $15.13 | $69K | ||
| Tax withholding / forfeiture | COMMON STOCK | 1,587 | $15.13 | $24K | ||
| Grant or award | COMMON STOCK | 39,847 | $0.00 | - | ||
| Tax withholding / forfeiture | COMMON STOCK | 15,599 | $15.13 | $236K | ||
| Option exercise | RESTRICTED STOCK UNITS | 6,176 | $0.00 | - | ||
| Option exercise | RESTRICTED STOCK UNITS | 3,834 | $0.00 | - | ||
| Option exercise | RESTRICTED STOCK UNITS | 4,569 | $0.00 | - | ||
| Douglas J. Montalbano - Officer | Grant or award | COMMON STOCK | 7,909 | $0.00 | - | |
| Douglas J. Montalbano - Officer | Option exercise | COMMON STOCK | 2,462 | - | - | |
| Douglas J. Montalbano - Officer | Derivative | COMMON STOCK | 2,462 | $15.37 | $38K | |
| Douglas J. Montalbano - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,058 | $15.37 | $16K | |
| Douglas J. Montalbano - Officer | Grant or award | RESTRICTED STOCK UNITS | 7,909 | $0.00 | - | |
| Douglas J. Montalbano - Officer | Option exercise | RESTRICTED STOCK UNITS | 2,462 | $0.00 | - | |
| Grant or award | COMMON STOCK | 12,035 | $0.00 | - | ||
| Option exercise | COMMON STOCK | 4,307 | - | - | ||
| Derivative | COMMON STOCK | 4,307 | $15.37 | $66K | ||
| Tax withholding / forfeiture | COMMON STOCK | 1,597 | $15.37 | $25K | ||
| Grant or award | RESTRICTED STOCK UNITS | 12,035 | $0.00 | - | ||
| Option exercise | RESTRICTED STOCK UNITS | 4,307 | $0.00 | - | ||
| Shawn P. Payne - Officer | Grant or award | COMMON STOCK | 16,416 | $0.00 | - | |
| Shawn P. Payne - Officer | Grant or award | COMMON STOCK | 32,800 | $0.00 | - | |
| Shawn P. Payne - Officer | Option exercise | COMMON STOCK | 2,844 | - | - | |
| Shawn P. Payne - Officer | Derivative | COMMON STOCK | 2,844 | $15.37 | $44K | |
| Shawn P. Payne - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,115 | $15.37 | $17K | |
| Shawn P. Payne - Officer | Grant or award | RESTRICTED STOCK UNITS | 16,416 | $0.00 | - | |
| Shawn P. Payne - Officer | Option exercise | RESTRICTED STOCK UNITS | 2,844 | $0.00 | - | |
| Grant or award | COMMON STOCK | 26,774 | $0.00 | - | ||
| Option exercise | COMMON STOCK | 10,363 | - | - | ||
| Derivative | COMMON STOCK | 10,363 | $15.37 | $159K | ||
| Tax withholding / forfeiture | COMMON STOCK | 3,015 | $15.37 | $46K | ||
| Grant or award | RESTRICTED STOCK UNITS | 26,774 | $0.00 | - | ||
| Option exercise | RESTRICTED STOCK UNITS | 10,363 | $0.00 | - | ||
| Justin D. Sheets - Officer | Grant or award | COMMON STOCK | 6,787 | $0.00 | - | |
| Justin D. Sheets - Officer | Option exercise | COMMON STOCK | 2,429 | - | - | |
| Justin D. Sheets - Officer | Derivative | COMMON STOCK | 2,429 | $15.37 | $37K | |
| Justin D. Sheets - Officer | Tax withholding / forfeiture | COMMON STOCK | 949 | $15.37 | $15K | |
| Justin D. Sheets - Officer | Grant or award | RESTRICTED STOCK UNITS | 6,787 | $0.00 | - | |
| Justin D. Sheets - Officer | Option exercise | RESTRICTED STOCK UNITS | 2,429 | $0.00 | - | |
| Grant or award | COMMON STOCK | 6,787 | $0.00 | - | ||
| Option exercise | COMMON STOCK | 2,429 | - | - | ||
| Derivative | COMMON STOCK | 2,429 | $15.37 | $37K | ||
| Tax withholding / forfeiture | COMMON STOCK | 706 | $15.37 | $11K | ||
| Grant or award | RESTRICTED STOCK UNITS | 6,787 | $0.00 | - | ||
| Option exercise | RESTRICTED STOCK UNITS | 2,429 | $0.00 | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR |
MATRIX SERVICE CO (MTRX) had 5 insider filings in the last 90 days, with the most recent on 2026-08-27. The full record for MTRX runs to 37 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of MTRX were filed in the last 90 days. 1 purchase is on record for this company.
5 insider sales of MTRX were filed in the last 90 days, totaling $1.08M.
This page tracks MTRX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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