Shawn P Payne
CIK 1945698 · View on SEC EDGAR ↗
First SEC filing: Sept. 7, 2022 · Latest: Nov. 25, 2025
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 25, 2025 | MTRX | S | 5,231 | $11.42 | $59,738 | 102,179 Direct | -4.87% | Disposed | -1.7% (price as of 2026-08-21) |
| Nov. 20, 2025 | MTRX | S | 3,019 | $11.42 | $34,477 | 107,410 Direct | -2.73% | Disposed | -1.7% (price as of 2026-08-21) |
| Nov. 11, 2025 | MTRX | S | 8,250 | $12.58 | $103,785 | 110,429 Direct | -6.95% | Disposed | -10.7% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 30, 2025 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK (2,817) | — | Aug. 30, 2026 | 2,817 | Disposed |
| Aug. 30, 2025 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK (1,513) | — | Aug. 30, 2025 | 1,513 | Disposed |
| Aug. 29, 2025 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK (4,077) | — | Aug. 29, 2027 | 4,077 | Disposed |
| Aug. 27, 2025 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK (2,844) | — | Aug. 27, 2028 | 2,844 | Disposed |
| Aug. 27, 2025 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK (16,416) | — | Aug. 27, 2029 | 16,416 | Acquired |
| Aug. 30, 2024 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK (2,817) | — | Aug. 30, 2026 | 2,817 | Disposed |
| Aug. 30, 2024 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK (1,513) | — | Aug. 30, 2025 | 1,513 | Disposed |
| Aug. 29, 2024 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK (4,077) | — | Aug. 29, 2027 | 4,077 | Disposed |
| Aug. 27, 2024 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK [F1] (11,373) | — | Aug. 27, 2028 | 11,373 | Acquired |
| Aug. 24, 2024 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK [F1] (1,392) | — | Aug. 24, 2024 | 1,392 | Disposed |
| Aug. 30, 2023 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK [F1] (2,818) | — | Aug. 30, 2026 | 2,818 | Disposed |
| Aug. 30, 2023 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK [F1] (1,514) | — | Aug. 30, 2025 | 1,514 | Disposed |
| Aug. 29, 2023 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK [F1] (16,308) | — | Aug. 29, 2027 | 16,308 | Acquired |
| Aug. 24, 2023 | MTRX | RESTRICTED STOCK UNITS | COMMON STOCK [F1] (1,393) | — | Aug. 24, 2024 | 1,393 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 7, 2022 | MTRX | COMMON STOCK [F1] | 35,801 | Direct |
| Sept. 7, 2022 | MTRX | RESTRICTED STOCK UNITS [F3]→ COMMON STOCK [F1] (2,785) | 2,785 | Direct |
| Sept. 7, 2022 | MTRX | RESTRICTED STOCK UNITS [F3]→ COMMON STOCK [F1] (4,540) | 4,540 | Direct |
| Sept. 7, 2022 | MTRX | RESTRICTED STOCK UNITS [F3]→ COMMON STOCK [F1] (11,269) | 11,269 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
MTRX
President—Engineering & Construction| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $459,868 | — | $482,898 | — | — | — | $20,209 | $962,975 |
| 2024 | $433,423 | — | $686,554 | — | — | — | $19,211 | $1,139,188 |
| 2023 | $397,769 | — | $310,799 | — | — | — | $18,646 | $727,214 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.