Lisa M. Schnorr

Insider

First SEC filing: June 3, 2026 · Latest: June 3, 2026

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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.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 30 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

30 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 2, 2026	GHM	M	1,956	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 2, 2026	GHM	M	1,956	—	—	37,867 Direct	+5.45%	Acquired	(price as of 2026-08-21)
June 1, 2026	GHM	A	905	—	—	905 Direct	—	Acquired	(price as of 2026-08-21)
June 4, 2025	GHM	M	2,934	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 4, 2025	GHM	M	2,934	—	—	35,911 Direct	+8.90%	Acquired	(price as of 2026-08-21)
June 2, 2025	GHM	A	1,956	—	—	1,956 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 1, 2024	HCC	M	809	—	—	6,716 Direct	+13.70%	Acquired	(price as of 2026-08-21)
Aug. 1, 2024	HCC	M	809	—	—	810 Direct	-49.97%	Disposed	(price as of 2026-08-21)
June 4, 2024	GHM	A	2,934	—	—	2,934 Direct	—	Acquired	(price as of 2026-08-21)
May 25, 2024	HCC	M	3,598	—	—	5,907 Direct	+155.83%	Acquired	(price as of 2026-08-21)
May 25, 2024	HCC	M	3,598	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 17, 2024	GHM	M	6,393	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 17, 2024	GHM	M	6,393	—	—	32,977 Direct	+24.05%	Acquired	(price as of 2026-08-21)
April 25, 2024	HCC	A	1,797	—	—	1,797 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 1, 2023	HCC	M	809	—	—	1,619 Direct	-33.32%	Disposed	(price as of 2026-08-21)
Aug. 1, 2023	HCC	M	809	—	—	2,309 Direct	+53.93%	Acquired	(price as of 2026-08-21)
May 23, 2023	GHM	M	6,105	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 23, 2023	GHM	M	6,105	—	—	26,584 Direct	+29.81%	Acquired	(price as of 2026-08-21)
May 17, 2023	GHM	A	6,393	—	—	6,393 Direct	—	Acquired	(price as of 2026-08-21)
April 25, 2023	HCC	A	3,598	—	—	3,598 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 11, 2022	HCC	P	1,500	$32.01	$48,015	1,500 Direct	—	Acquired	235.7% (price as of 2026-08-21)
Aug. 1, 2022	HCC	A	2,428	—	—	2,428 Direct	—	Acquired	(price as of 2026-08-21)
May 23, 2022	GHM	A	6,105	—	—	6,105 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 10, 2022	GHM	P	5,000	$9.10	$45,500	20,479 Direct	+32.30%	Acquired	1009.6% (price as of 2026-08-21)
June 1, 2021	GHM	A	3,265	—	—	15,479 Direct	+26.73%	Acquired	(price as of 2026-08-21)
June 12, 2020	GHM	P	811	$12.31	$9,983	12,214 Direct	+7.11%	Acquired	720.2% (price as of 2026-08-21)
June 9, 2020	GHM	A	3,543	—	—	11,403 Direct	+45.08%	Acquired	(price as of 2026-08-21)
May 29, 2019	GHM	A	2,450	—	—	7,860 Direct	+45.29%	Acquired	(price as of 2026-08-21)
May 30, 2018	GHM	A	955	—	—	5,410 Direct	+21.44%	Acquired	(price as of 2026-08-21)
May 31, 2017	GHM	A	1,194	—	—	4,455 Direct	+36.61%	Acquired	(price as of 2026-08-21)
May 24, 2016	GHM	A	1,351	—	—	3,261 Direct	+70.73%	Acquired	(price as of 2026-08-21)
May 28, 2015	GHM	A	1,081	—	—	1,910 Direct	+130.40%	Acquired	(price as of 2026-08-21)
July 31, 2014	GHM	A	829	—	—	829 Direct	—	Acquired	(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
June 2, 2026	GHM	Restricted Stock Units	Common Stock (1,956)	—	—	1,956	Disposed
June 1, 2026	GHM	Restricted Stock Units	Common Stock (905)	—	—	905	Acquired
June 4, 2025	GHM	Restricted Stock Units	Common Stock (2,934)	—	—	2,934	Disposed
June 2, 2025	GHM	Restricted Stock Units	Common Stock (1,956)	—	—	1,956	Acquired
Aug. 1, 2024	HCC	Restricted Stock Units	Common Stock (809)	—	—	809	Disposed
June 4, 2024	GHM	Restricted Stock Units	Common Stock (2,934)	—	—	2,934	Acquired
May 25, 2024	HCC	Restricted Stock Units	Common Stock (3,598)	—	—	3,598	Disposed
May 17, 2024	GHM	Restricted Stock Units	Common Stock (6,393)	—	—	6,393	Disposed
April 25, 2024	HCC	Restricted Stock Units	Common Stock (1,797)	—	—	1,797	Acquired
Aug. 1, 2023	HCC	Restricted Stock Units	Common Stock (809)	—	—	809	Disposed
May 23, 2023	GHM	Restricted Stock Units	Common Stock (6,105)	—	—	6,105	Disposed
May 17, 2023	GHM	Restricted Stock Units	Common Stock (6,393)	—	—	6,393	Acquired
April 25, 2023	HCC	Restricted Stock Units	Common Stock (3,598)	—	—	3,598	Acquired
Aug. 1, 2022	HCC	Restricted Stock Units	Common Stock (2,428)	—	—	2,428	Acquired
May 23, 2022	GHM	Restricted Stock Units	Common Stock (6,105)	—	—	6,105	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Aug. 3, 2022	HCC	No securities are beneficially owned	0	Direct