Matthew Malone
CIK 1864755 · View on SEC EDGAR ↗
Insider
First SEC filing: June 10, 2026 · Latest: June 10, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 40 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 8, 2026 | GHM | F | 2,477 | $95.34 | $236,157 | 63,629 Direct | -3.75% | Disposed | 12.3% (price as of 2026-08-19) |
| June 8, 2026 | GHM | A | 8,619 | — | — | 66,106 Direct | +14.99% | Acquired | (price as of 2026-08-19) |
| June 4, 2026 | GHM | M | 1,291 | — | — | 1,291 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| June 4, 2026 | GHM | F | 371 | $107.96 | $40,053 | 57,487 Direct | -0.64% | Disposed | -0.8% (price as of 2026-08-19) |
| June 4, 2026 | GHM | M | 1,291 | — | — | 57,858 Direct | +2.28% | Acquired | (price as of 2026-08-19) |
| June 2, 2026 | GHM | M | 2,540 | — | — | 5,082 Direct | -33.32% | Disposed | (price as of 2026-08-19) |
| June 2, 2026 | GHM | F | 730 | $106.11 | $77,460 | 56,567 Direct | -1.27% | Disposed | 0.9% (price as of 2026-08-19) |
| June 2, 2026 | GHM | M | 2,540 | — | — | 57,297 Direct | +4.64% | Acquired | (price as of 2026-08-19) |
| June 1, 2026 | GHM | A | 6,036 | — | — | 6,036 Direct | — | Acquired | (price as of 2026-08-19) |
| May 17, 2026 | GHM | M | 2,375 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| May 17, 2026 | GHM | F | 682 | $98.28 | $67,027 | 54,757 Direct | -1.23% | Disposed | 9.0% (price as of 2026-08-19) |
| May 17, 2026 | GHM | M | 2,375 | — | — | 55,439 Direct | +4.48% | Acquired | (price as of 2026-08-19) |
| June 9, 2025 | GHM | F | 2,211 | $44.66 | $98,743 | 53,064 Direct | -4.00% | Disposed | 139.8% (price as of 2026-08-19) |
| June 9, 2025 | GHM | A | 7,693 | — | — | 55,275 Direct | +16.17% | Acquired | (price as of 2026-08-19) |
| June 4, 2025 | GHM | M | 1,291 | — | — | 2,582 Direct | -33.33% | Disposed | (price as of 2026-08-19) |
| June 4, 2025 | GHM | F | 371 | $40.89 | $15,170 | 47,582 Direct | -0.77% | Disposed | 161.9% (price as of 2026-08-19) |
| June 4, 2025 | GHM | M | 1,291 | — | — | 47,953 Direct | +2.77% | Acquired | (price as of 2026-08-19) |
| June 2, 2025 | GHM | A | 7,622 | — | — | 7,622 Direct | — | Acquired | (price as of 2026-08-19) |
| May 23, 2025 | GHM | M | 3,053 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| May 23, 2025 | GHM | M | 3,053 | — | — | 46,662 Direct | +7.00% | Acquired | (price as of 2026-08-19) |
| May 17, 2025 | GHM | M | 2,374 | — | — | 2,375 Direct | -49.99% | Disposed | (price as of 2026-08-19) |
| May 17, 2025 | GHM | M | 2,374 | — | — | 43,609 Direct | +5.76% | Acquired | (price as of 2026-08-19) |
| June 4, 2024 | GHM | A | 3,873 | — | — | 3,873 Direct | — | Acquired | (price as of 2026-08-19) |
| June 1, 2024 | GHM | F | 2,347 | $27.05 | $63,486 | 41,235 Direct | -5.39% | Disposed | 295.9% (price as of 2026-08-19) |
| June 1, 2024 | GHM | F | 391 | $27.05 | $10,577 | 43,582 Direct | -0.89% | Disposed | 295.9% (price as of 2026-08-19) |
| May 23, 2024 | GHM | M | 3,053 | — | — | 3,053 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| May 23, 2024 | GHM | F | 877 | $28.44 | $24,942 | 43,973 Direct | -1.96% | Disposed | 276.6% (price as of 2026-08-19) |
| May 23, 2024 | GHM | M | 3,053 | — | — | 44,850 Direct | +7.30% | Acquired | (price as of 2026-08-19) |
| May 17, 2024 | GHM | M | 2,374 | — | — | 4,749 Direct | -33.33% | Disposed | (price as of 2026-08-19) |
| May 17, 2024 | GHM | F | 763 | $29.12 | $22,219 | 41,797 Direct | -1.79% | Disposed | 267.8% (price as of 2026-08-19) |
| May 17, 2024 | GHM | M | 2,374 | — | — | 42,560 Direct | +5.91% | Acquired | (price as of 2026-08-19) |
| June 1, 2023 | GHM | F | 379 | $11.04 | $4,184 | 40,186 Direct | -0.93% | Disposed | 870.1% (price as of 2026-08-19) |
| May 23, 2023 | GHM | M | 3,052 | — | — | 6,106 Direct | -33.33% | Disposed | (price as of 2026-08-19) |
| May 23, 2023 | GHM | F | 1,037 | $11.78 | $12,216 | 40,565 Direct | -2.49% | Disposed | 809.2% (price as of 2026-08-19) |
| May 23, 2023 | GHM | M | 3,052 | — | — | 41,602 Direct | +7.92% | Acquired | (price as of 2026-08-19) |
| May 17, 2023 | GHM | A | 7,123 | — | — | 7,123 Direct | — | Acquired | (price as of 2026-08-19) |
| May 23, 2022 | GHM | A | 9,158 | — | — | 9,158 Direct | — | Acquired | (price as of 2026-08-19) |
| June 1, 2021 | GHM | A | 26,304 | — | — | 26,304 Direct | — | Acquired | (price as of 2026-08-19) |
| June 1, 2021 | GHM | A | 4,082 | — | — | 30,386 Direct | +15.52% | Acquired | (price as of 2026-08-19) |
| June 1, 2021 | GHM | A | 8,164 | — | — | 38,550 Direct | +26.87% | Acquired | (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| June 4, 2026 | GHM | Restricted Stock Units | Common Stock (1,291) | — | — | 1,291 | Disposed |
| June 2, 2026 | GHM | Restricted Stock Units | Common Stock (2,540) | — | — | 2,540 | Disposed |
| June 1, 2026 | GHM | Restricted Stock Units | Common Stock (6,036) | — | — | 6,036 | Acquired |
| May 17, 2026 | GHM | Restricted Stock Units | Common Stock (2,375) | — | — | 2,375 | Disposed |
| June 4, 2025 | GHM | Restricted Stock Units | Common Stock (1,291) | — | — | 1,291 | Disposed |
| June 2, 2025 | GHM | Restricted Stock Units | Common Stock (7,622) | — | — | 7,622 | Acquired |
| May 23, 2025 | GHM | Restricted Stock Units | Common Stock (3,053) | — | — | 3,053 | Disposed |
| May 17, 2025 | GHM | Restricted Stock Units | Common Stock (2,374) | — | — | 2,374 | Disposed |
| June 4, 2024 | GHM | Restricted Stock Units | Common Stock (3,873) | — | — | 3,873 | Acquired |
| May 23, 2024 | GHM | Restricted Stock Units | Common Stock (3,053) | — | — | 3,053 | Disposed |
| May 17, 2024 | GHM | Restricted Stock Units | Common Stock (2,374) | — | — | 2,374 | Disposed |
| May 23, 2023 | GHM | Restricted Stock Units | Common Stock (3,052) | — | — | 3,052 | Disposed |
| May 17, 2023 | GHM | Restricted Stock Units | Common Stock (7,123) | — | — | 7,123 | Acquired |
| May 23, 2022 | GHM | Restricted Stock Units | Common Stock (9,158) | — | — | 9,158 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $312,000 | $312,396 | $155,994 | — | $249,132 | — | $45,486 | $1,075,008 |
| 2023 | $300,000 | — | $150,008 | — | $144,900 | — | $35,432 | $630,340 |
| 2022 | $208,333 | — | $155,247 | — | $135,521 | — | $12,848 | $511,949 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.