Insider at

04

Insider transactions

05
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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 8, 2026 GHM F 2,477 $95.34 $236,157 63,629 Direct -3.75% Disposed -4.0% (price as of 2026-10-02)
June 8, 2026 GHM A 8,619 · · 66,106 Direct +14.99% Acquired (price as of 2026-10-02)
June 4, 2026 GHM M 1,291 · · 1,291 Direct -50.00% Disposed (price as of 2026-10-02)
June 4, 2026 GHM F 371 $107.96 $40,053 57,487 Direct -0.64% Disposed -15.3% (price as of 2026-10-02)
June 4, 2026 GHM M 1,291 · · 57,858 Direct +2.28% Acquired (price as of 2026-10-02)
June 2, 2026 GHM M 2,540 · · 5,082 Direct -33.32% Disposed (price as of 2026-10-02)
June 2, 2026 GHM F 730 $106.11 $77,460 56,567 Direct -1.27% Disposed -13.8% (price as of 2026-10-02)
June 2, 2026 GHM M 2,540 · · 57,297 Direct +4.64% Acquired (price as of 2026-10-02)
June 1, 2026 GHM A 6,036 · · 6,036 Direct · Acquired (price as of 2026-10-02)
May 17, 2026 GHM M 2,375 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
May 17, 2026 GHM F 682 $98.28 $67,027 54,757 Direct -1.23% Disposed -6.9% (price as of 2026-10-02)
May 17, 2026 GHM M 2,375 · · 55,439 Direct +4.48% Acquired (price as of 2026-10-02)
June 9, 2025 GHM F 2,211 $44.66 $98,743 53,064 Direct -4.00% Disposed 104.9% (price as of 2026-10-02)
June 9, 2025 GHM A 7,693 · · 55,275 Direct +16.17% Acquired (price as of 2026-10-02)
June 4, 2025 GHM M 1,291 · · 2,582 Direct -33.33% Disposed (price as of 2026-10-02)
June 4, 2025 GHM F 371 $40.89 $15,170 47,582 Direct -0.77% Disposed 123.7% (price as of 2026-10-02)
June 4, 2025 GHM M 1,291 · · 47,953 Direct +2.77% Acquired (price as of 2026-10-02)
June 2, 2025 GHM A 7,622 · · 7,622 Direct · Acquired (price as of 2026-10-02)
May 23, 2025 GHM M 3,053 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
May 23, 2025 GHM M 3,053 · · 46,662 Direct +7.00% Acquired (price as of 2026-10-02)
May 17, 2025 GHM M 2,374 · · 2,375 Direct -49.99% Disposed (price as of 2026-10-02)
May 17, 2025 GHM M 2,374 · · 43,609 Direct +5.76% Acquired (price as of 2026-10-02)
June 4, 2024 GHM A 3,873 · · 3,873 Direct · Acquired (price as of 2026-10-02)
June 1, 2024 GHM F 2,347 $27.05 $63,486 41,235 Direct -5.39% Disposed 238.2% (price as of 2026-10-02)
June 1, 2024 GHM F 391 $27.05 $10,577 43,582 Direct -0.89% Disposed 238.2% (price as of 2026-10-02)
May 23, 2024 GHM M 3,053 · · 3,053 Direct -50.00% Disposed (price as of 2026-10-02)
May 23, 2024 GHM F 877 $28.44 $24,942 43,973 Direct -1.96% Disposed 221.7% (price as of 2026-10-02)
May 23, 2024 GHM M 3,053 · · 44,850 Direct +7.30% Acquired (price as of 2026-10-02)
May 17, 2024 GHM M 2,374 · · 4,749 Direct -33.33% Disposed (price as of 2026-10-02)
May 17, 2024 GHM F 763 $29.12 $22,219 41,797 Direct -1.79% Disposed 214.2% (price as of 2026-10-02)
May 17, 2024 GHM M 2,374 · · 42,560 Direct +5.91% Acquired (price as of 2026-10-02)
June 1, 2023 GHM F 379 $11.04 $4,184 40,186 Direct -0.93% Disposed 728.7% (price as of 2026-10-02)
May 23, 2023 GHM M 3,052 · · 6,106 Direct -33.33% Disposed (price as of 2026-10-02)
May 23, 2023 GHM F 1,037 $11.78 $12,216 40,565 Direct -2.49% Disposed 676.7% (price as of 2026-10-02)
May 23, 2023 GHM M 3,052 · · 41,602 Direct +7.92% Acquired (price as of 2026-10-02)
May 17, 2023 GHM A 7,123 · · 7,123 Direct · Acquired (price as of 2026-10-02)
May 23, 2022 GHM A 9,158 · · 9,158 Direct · Acquired (price as of 2026-10-02)
June 1, 2021 GHM A 26,304 · · 26,304 Direct · Acquired (price as of 2026-10-02)
June 1, 2021 GHM A 4,082 · · 30,386 Direct +15.52% Acquired (price as of 2026-10-02)
June 1, 2021 GHM A 8,164 · · 38,550 Direct +26.87% Acquired (price as of 2026-10-02)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/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)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

GHM

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
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.