Company · CIK 0000716314 · SIC 3560 — General Industrial Machinery & Equipment · NYSE

GRAHAM CORP · GHM

Insider activity reported against this company. All insider holders · On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $162k · 3sales $1.4M · 19net −$1.2M

Reported at this company — common stock

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake	Flags
Sep 18, 2026 GForm 4 →	Sep 21, 4:32 pm EDT	Mauro GregorioDirector	936	—	—	0	—
Sep 2, 2026 MForm 4 →	Sep 3, 4:41 pm EDT	Mauro GregorioDirector	936	—	—	2,136	—
Jun 8, 2026 AFForm 4 →	Jun 10, 4:30 pm EDT	Daniel J. ThorenExecutive Chairman, Director	30,196	$95.34	$771,777	374,945	—
Jun 8, 2026 AFForm 4 →	Jun 10, 4:30 pm EDT	Christopher J. ThomeVP-Finance; CFO	11,812	$95.34	$304,421	35,988	—
Jun 8, 2026 AFForm 4 →	Jun 10, 4:29 pm EDT	Matthew MalonePresident and CEO, Director	11,096	$95.34	$236,157	63,629	—
Jun 4, 2026 FMForm 4 →	Jun 8, 4:32 pm EDT	Daniel J. ThorenExecutive Chairman, Director	7,136	$107.96	$171,980	360,939	—
Jun 4, 2026 FMForm 4 →	Jun 8, 4:31 pm EDT	Christopher J. ThomeVP-Finance; CFO	2,251	$107.96	$65,640	30,562	—
Jun 4, 2026 FMForm 4 →	Jun 8, 4:30 pm EDT	Matthew MalonePresident and CEO, Director	1,662	$107.96	$40,053	57,487	—
Jun 2, 2026 MForm 4 →	Jun 3, 4:36 pm EDT	Jonathan W PainterDirector	1,956	—	—	34,556	—
Jun 2, 2026 MForm 4 →	Jun 3, 4:35 pm EDT	Troy A. StonerDirector	1,956	—	—	18,623	—
Jun 2, 2026 MForm 4 →	Jun 3, 4:34 pm EDT	Lisa M. SchnorrDirector	1,956	—	—	37,867	—
Jun 2, 2026 MForm 4 →	Jun 3, 4:33 pm EDT	James J BarberDirector	1,956	—	—	55,791	—
Jun 2, 2026 MForm 4 →	Jun 3, 4:33 pm EDT	Cari L JaroslawskyDirector	1,956	—	—	18,623	—
Jun 2, 2026 FMForm 4 →	Jun 3, 4:31 pm EDT	Matthew MalonePresident and CEO, Director	3,270	$106.11	$77,460	56,567	—
Jun 2, 2026 FMForm 4 →	Jun 3, 4:31 pm EDT	Michael E. DixonVP & GM of Barber-Nichols	997	$106.11	$24,936	1,263	—
Jun 2, 2026 FMForm 4 →	Jun 3, 4:31 pm EDT	Daniel J. ThorenExecutive Chairman, Director	681	$106.11	$16,129	356,989	—
Jun 2, 2026 FMForm 4 →	Jun 3, 4:30 pm EDT	Christopher J. ThomeVP-Finance; CFO	1,506	$106.11	$43,187	29,527	—
Sep 12, 2025 PForm 4/A →	Sep 21, 2026, 4:31 pm EDT	Mauro GregorioDirector	1,200	$49.01	$58,812	1,200	—
Mar 5, 2019 SForm 4 →	Mar 6, 4:39 pm EST	James R LinesPresident and CEO, Director	5,066	$21.96	$111,249	106,498	−4.54%	plan?
Mar 5, 2019 MForm 4 →	Mar 6, 4:39 pm EST	James R LinesPresident and CEO, Director	5,066	$15.24	$77,197	111,564	—	plan?
Mar 4, 2019 SForm 4 →	Mar 6, 4:39 pm EST	Jennifer R CondameCAO and Controller	2,678	$22.20	$59,452	23,617	−10.2%	plan?
Mar 4, 2019 MForm 4 →	Mar 6, 4:39 pm EST	Jennifer R CondameCAO and Controller	2,678	$15.22	$40,759	26,295	—	plan?
Sep 10, 2018 SForm 4 →	Sep 11, 4:09 pm EDT	Jeffrey GlajchVP-Finance; CFO	3,583	$27.25	$97,637	53,223	−6.31%	plan?
Sep 10, 2018 MForm 4 →	Sep 11, 4:09 pm EDT	Jeffrey GlajchVP-Finance; CFO	1,739	$15.25	$26,520	56,806	—	plan?
Sep 7, 2018 SForm 4 →	Sep 10, 4:21 pm EDT	Gerard T MazurkiewiczDirector	300	$26.44	$7,932	11,830	−2.47%	plan?
Aug 17, 2018 SForm 4 →	Aug 20, 4:11 pm EDT	Jeffrey GlajchVP-Finance; CFO	2,963	$28.36	$84,030	55,067	−5.11%	plan?
Jun 4, 2018 SForm 4 →	Jun 5, 4:29 pm EDT	Alan E SmithVP & General Manager - Batavia	6,689	$25.94	$173,513	39,075	−14.6%	plan?
Jun 4, 2018 MForm 4 →	Jun 5, 4:29 pm EDT	Alan E SmithVP & General Manager - Batavia	6,689	$15.23	$101,900	45,764	—	plan?
May 30, 2018 AForm 4 →	Jun 1, 4:39 pm EDT	John N RiceVice President of Sales	4,509	—	—	4,509	—	plan?
May 30, 2018 AFForm 4 →	Jun 1, 4:35 pm EDT	Alan E SmithVP & General Manager - Batavia	7,545	$25.51	$9,796	39,075	—	plan?
May 30, 2018 AFForm 4 →	Jun 1, 4:34 pm EDT	James R LinesPresident and CEO, Director	18,287	$25.51	$21,632	106,498	—	plan?
May 30, 2018 AFForm 4 →	Jun 1, 4:33 pm EDT	Jeffrey GlajchVP-Finance; CFO	8,562	$25.51	$13,699	58,030	—	plan?
May 30, 2018 AFForm 4 →	Jun 1, 4:32 pm EDT	Jennifer R CondameCAO and Controller	3,679	$25.51	$4,311	23,617	—	plan?
May 30, 2018 AForm 4 →	Jun 1, 4:29 pm EDT	Lisa M. SchnorrDirector	955	—	—	5,410	—	plan?
May 30, 2018 AForm 4 →	Jun 1, 4:27 pm EDT	Jonathan W PainterDirector	955	—	—	5,410	—	plan?
May 30, 2018 AForm 4 →	Jun 1, 4:26 pm EDT	Gerard T MazurkiewiczDirector	955	—	—	12,130	—	plan?
May 30, 2018 AForm 4 →	Jun 1, 4:25 pm EDT	James J MalvasoDirector	955	—	—	20,126	—	plan?
May 30, 2018 AForm 4 →	Jun 1, 4:24 pm EDT	Alan FortierDirector	955	—	—	21,810	—	plan?
May 30, 2018 AForm 4 →	Jun 1, 4:23 pm EDT	James J BarberDirector	955	—	—	17,545	—	plan?
May 24, 2018 FForm 4 →	May 29, 4:40 pm EDT	Alan E SmithVP & General Manager - Batavia	784	$25.10	$19,678	32,298	—	plan?
May 24, 2018 FForm 4 →	May 29, 4:39 pm EDT	James R LinesPresident and CEO, Director	1,616	$25.09	$40,550	89,907	—	plan?
May 24, 2018 FForm 4 →	May 29, 4:37 pm EDT	Jeffrey GlajchVP-Finance; CFO, 10% Owner	1,112	$25.10	$27,912	50,542	—	plan?
May 24, 2018 FForm 4 →	May 29, 4:36 pm EDT	Jennifer R CondameCAO and Controller	349	$25.10	$8,760	20,276	—	plan?
Aug 31, 2017 SForm 4 →	Sep 1, 4:32 pm EDT	Gerard T MazurkiewiczDirector	300	$20.25	$6,075	11,175	−2.61%	plan?
Jun 9, 2017 SForm 4 →	Jun 12, 4:02 pm EDT	Jennifer R CondameCAO and Controller	767	$20.40	$15,647	20,625	−3.59%	plan?
May 31, 2017 ADForm 4 →	Jun 2, 4:20 pm EDT	Alan E SmithVP & General Manager - Batavia	14,543	—	—	33,082	—	plan?
May 31, 2017 ADForm 4 →	Jun 2, 4:19 pm EDT	James R LinesPresident and CEO, Director	33,578	—	—	91,523	—	plan?
May 31, 2017 ADForm 4 →	Jun 2, 4:18 pm EDT	Jeffrey GlajchVP-Finance; CFO	16,592	—	—	51,654	—	plan?
May 31, 2017 ADForm 4 →	Jun 2, 4:17 pm EDT	Jennifer R CondameCAO and Controller	7,324	—	—	21,392	—	plan?
May 31, 2017 AForm 4 →	Jun 2, 4:16 pm EDT	Lisa M. SchnorrDirector	1,194	—	—	4,455	—	plan?
May 31, 2017 AForm 4 →	Jun 2, 4:15 pm EDT	Jonathan W PainterDirector	1,194	—	—	4,455	—	plan?
May 31, 2017 AForm 4 →	Jun 2, 4:14 pm EDT	Gerard T MazurkiewiczDirector	1,194	—	—	11,475	—	plan?
May 31, 2017 AForm 4 →	Jun 2, 4:13 pm EDT	James J MalvasoDirector	1,194	—	—	19,171	—	plan?
May 31, 2017 AForm 4 →	Jun 2, 4:12 pm EDT	Alan FortierDirector	1,194	—	—	20,855	—	plan?
May 31, 2017 AForm 4 →	Jun 2, 4:11 pm EDT	James J BarberDirector	1,194	—	—	16,590	—	plan?
May 24, 2017 FForm 4 →	May 26, 4:49 pm EDT	Jennifer R CondameCAO and Controller	432	$21.76	$9,399	20,244	—	plan?
May 24, 2017 FForm 4 →	May 26, 4:48 pm EDT	Jeffrey GlajchVP-Finance; CFO	1,366	$21.76	$29,720	48,890	—	plan?
May 24, 2017 FForm 4 →	May 26, 4:47 pm EDT	James R LinesPresident and CEO, Director	2,743	$21.77	$59,719	81,457	—	plan?
May 24, 2017 FForm 4 →	May 26, 4:46 pm EDT	Alan E SmithVP & General Manager - Batavia	957	$21.76	$20,824	30,351	—	plan?
May 4, 2017 SForm 4 →	May 5, 4:30 pm EDT	James R LinesPresident and CEO, Director	6,000	$21.52	$129,134	84,200	−6.65%	plan?
May 1, 2017 SForm 4 →	May 3, 4:46 pm EDT	James R LinesPresident and CEO, Director	9,000	$21.84	$196,538	90,200	−9.07%	plan?
Mar 6, 2017 SForm 4 →	Mar 7, 4:02 pm EST	Alan E SmithVP & General Manager - Batavia	510	$22.90	$11,681	31,308	−1.60%	plan?
Feb 27, 2017 SForm 4 →	Feb 28, 4:42 pm EST	Gerard T MazurkiewiczDirector	1,750	$22.40	$39,200	10,281	−14.5%	plan?
Feb 27, 2017 MForm 4 →	Feb 28, 4:42 pm EST	Gerard T MazurkiewiczDirector	2,500	$12.52	$31,300	12,031	—	plan?
Nov 21, 2016 SForm 4 →	Nov 22, 5:18 pm EST	Gerard T MazurkiewiczDirector	1,900	$20.30	$38,572	9,531	−16.6%	plan?
Nov 21, 2016 MForm 4 →	Nov 22, 5:18 pm EST	Gerard T MazurkiewiczDirector	2,500	$12.52	$31,300	11,431	—	plan?
Nov 15, 2016 SForm 4 →	Nov 16, 5:38 pm EST	Jeffrey GlajchVP-Finance; CFO	7,833	$20.53	$160,802	50,256	−13.5%	plan?
Sep 6, 2016 SForm 4 →	Sep 12, 4:33 pm EDT	Gerard T MazurkiewiczDirector	500	$19.50	$9,750	8,931	−5.30%	plan? late
Aug 16, 2016 SForm 4 →	Aug 17, 5:11 pm EDT	Jennifer R CondameCAO and Controller	4,974	$18.10	$90,023	18,170	−21.5%	plan?
Aug 16, 2016 MForm 4 →	Aug 17, 5:11 pm EDT	Jennifer R CondameCAO and Controller	4,974	$6.90	$34,321	23,144	—	plan?
May 28, 2016 FForm 4 →	Jun 1, 5:23 pm EDT	Alan E SmithVP of Operations	530	$18.29	$9,694	31,818	—	plan?
May 28, 2016 FForm 4 →	Jun 1, 5:15 pm EDT	James R LinesPresident and CEO, Director	1,072	$18.29	$19,607	93,630	—	plan?
May 24, 2016 ADForm 4 →	May 26, 6:32 pm EDT	Alan E SmithVP of Operations	15,642	—	—	32,348	—	plan?
May 24, 2016 ADForm 4 →	May 26, 6:28 pm EDT	James R LinesPresident and CEO, Director	37,411	—	—	94,702	—	plan?
May 24, 2016 ADForm 4 →	May 26, 6:23 pm EDT	Jeffrey GlajchVP-Finance; CFO	17,683	—	—	58,089	—	plan?
May 24, 2016 ADForm 4 →	May 26, 6:18 pm EDT	Jennifer R CondameCAO and Controller	7,689	—	—	17,961	—	plan?
May 24, 2016 AForm 4 →	May 26, 6:10 pm EDT	Lisa M. SchnorrDirector	1,351	—	—	3,261	—	plan?
May 24, 2016 AForm 4 →	May 26, 6:05 pm EDT	Jonathan W PainterDirector	1,351	—	—	3,261	—	plan?
May 24, 2016 AForm 4 →	May 26, 6:01 pm EDT	Gerard T MazurkiewiczDirector	1,351	—	—	9,431	—	plan?
May 24, 2016 AForm 4 →	May 26, 5:58 pm EDT	James J MalvasoDirector	1,351	—	—	17,977	—	plan?
May 24, 2016 AForm 4 →	May 26, 5:55 pm EDT	Alan FortierDirector	1,351	—	—	19,661	—	plan?
May 24, 2016 AForm 4 →	May 26, 5:49 pm EDT	James J BarberDirector	1,351	—	—	15,396	—	plan?
May 17, 2016 MForm 4 →	May 19, 5:28 pm EDT	Jennifer R CondameCAO and Controller	500	$7.98	$3,988	13,332	—	plan?
Sep 8, 2015 PForm 4 →	Sep 10, 8:44 am EDT	James J BarberDirector	3,000	$17.00	$51,000	14,045	+27.2%	plan?
Aug 24, 2015 SForm 4 →	Aug 26, 5:56 pm EDT	Gerard T MazurkiewiczDirector	300	$17.16	$5,148	8,080	−3.58%	plan?
Jun 3, 2015 GForm 4 →	Jun 5, 4:30 pm EDT	Jeffrey GlajchVP-Finance; CFO	500	—	—	46,059	—	plan?
Jun 3, 2015 SForm 4 →	Jun 5, 4:30 pm EDT	Jeffrey GlajchVP-Finance; CFO	5,754	$21.37	$122,965	46,559	−11.0%	plan?
May 28, 2015 ADForm 4 →	Jun 1, 5:51 pm EDT	Alan E SmithVP of Operations	6,046	—	—	22,586	—	plan?
May 28, 2015 ADForm 4 →	Jun 1, 5:46 pm EDT	James R LinesPresident and CEO, Director	11,823	—	—	67,384	—	plan?
May 28, 2015 ADForm 4 →	Jun 1, 5:37 pm EDT	Jeffrey GlajchVP-Finance; CFO	7,087	—	—	52,313	—	plan?
May 28, 2015 ADForm 4 →	Jun 1, 5:30 pm EDT	Jennifer R CondameCAO and Controller	3,153	—	—	12,449	—	plan?
May 28, 2015 AForm 4 →	Jun 1, 5:23 pm EDT	Lisa M. SchnorrDirector	1,081	—	—	1,910	—	plan?
May 28, 2015 AForm 4 →	Jun 1, 5:20 pm EDT	Jonathan W PainterDirector	1,081	—	—	1,910	—	plan?
May 28, 2015 AForm 4 →	Jun 1, 5:15 pm EDT	Gerard T MazurkiewiczDirector	1,081	—	—	8,380	—	plan?
May 28, 2015 AForm 4 →	Jun 1, 5:10 pm EDT	James J MalvasoDirector	1,081	—	—	16,626	—	plan?
May 28, 2015 AForm 4 →	Jun 1, 4:56 pm EDT	Alan FortierDirector	1,081	—	—	18,310	—	plan?
May 28, 2015 AForm 4 →	Jun 1, 4:49 pm EDT	James J BarberDirector	1,081	—	—	11,045	—	plan?
Feb 3, 2015 SForm 4 →	Feb 5, 5:42 pm EST	Jerald D BidlackDirector	1,042	$21.94	$22,860	5,885	−15.0%	plan?
Feb 3, 2015 PForm 4 →	Feb 5, 5:37 pm EST	James J BarberDirector	2,400	$21.80	$52,320	9,964	+31.7%	plan?

Reported at this company — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Insider	Shares	Avg price	Total	Owned after	Δ stake
Sep 2, 2026 MForm 4 →	Sep 3, 4:41 pm EDT	Mauro GregorioDirector	936	—	—	0	—
Aug 10, 2026 AForm 4 →	Aug 11, 4:32 pm EDT	Richard Alan ScholesChief Growth & Enblmnt Officer	5,241	—	—	1,563	—
Jun 4, 2026 MForm 4 →	Jun 8, 4:32 pm EDT	Daniel J. ThorenExecutive Chairman, Director	5,543	—	—	5,543	—
Jun 4, 2026 MForm 4 →	Jun 8, 4:31 pm EDT	Christopher J. ThomeVP-Finance; CFO	1,643	—	—	1,644	—
Jun 4, 2026 MForm 4 →	Jun 8, 4:30 pm EDT	Matthew MalonePresident and CEO, Director	1,291	—	—	1,291	—
Jun 1, 2026 AMForm 4 →	Jun 3, 4:36 pm EDT	Jonathan W PainterDirector	2,861	—	—	905	—
Jun 1, 2026 AMForm 4 →	Jun 3, 4:35 pm EDT	Troy A. StonerDirector	2,861	—	—	905	—
Jun 1, 2026 AMForm 4 →	Jun 3, 4:34 pm EDT	Lisa M. SchnorrDirector	2,861	—	—	905	—
Jun 1, 2026 AForm 4 →	Jun 3, 4:34 pm EDT	Mauro GregorioDirector	905	—	—	905	—
Jun 1, 2026 AMForm 4 →	Jun 3, 4:33 pm EDT	James J BarberDirector	2,861	—	—	905	—
Jun 1, 2026 AMForm 4 →	Jun 3, 4:33 pm EDT	Cari L JaroslawskyDirector	2,861	—	—	905	—
Jun 1, 2026 AForm 4 →	Jun 3, 4:32 pm EDT	Matthew Lee GrossVP & GM of Flacktek	905	—	—	905	—
Jun 1, 2026 AForm 4 →	Jun 3, 4:32 pm EDT	William H. ZmyndakVP & GM Graham Manufacturing	1,026	—	—	1,026	—
Jun 1, 2026 AMForm 4 →	Jun 3, 4:31 pm EDT	Matthew MalonePresident and CEO, Director	8,576	—	—	6,036	—
Jun 1, 2026 AMForm 4 →	Jun 3, 4:31 pm EDT	Michael E. DixonVP & GM of Barber-Nichols	1,728	—	—	966	—
Jun 1, 2026 AMForm 4 →	Jun 3, 4:31 pm EDT	Daniel J. ThorenExecutive Chairman, Director	1,158	—	—	629	—
Jun 1, 2026 AMForm 4 →	Jun 3, 4:30 pm EDT	Christopher J. ThomeVP-Finance; CFO	2,507	—	—	1,408	—
Mar 5, 2019 MForm 4 →	Mar 6, 4:39 pm EST	James R LinesPresident and CEO, Director	5,066	—	—	0	—
Mar 4, 2019 MForm 4 →	Mar 6, 4:39 pm EST	Jennifer R CondameCAO and Controller	2,678	—	—	0	—
Sep 10, 2018 MForm 4 →	Sep 11, 4:09 pm EDT	Jeffrey GlajchVP-Finance; CFO	1,739	—	—	0	—
Jun 4, 2018 MForm 4 →	Jun 5, 4:29 pm EDT	Alan E SmithVP & General Manager - Batavia	6,689	—	—	0	—
Feb 27, 2017 MForm 4 →	Feb 28, 4:42 pm EST	Gerard T MazurkiewiczDirector	2,500	—	—	0	—
Nov 21, 2016 MForm 4 →	Nov 22, 5:18 pm EST	Gerard T MazurkiewiczDirector	2,500	—	—	2,500	—
Aug 16, 2016 MForm 4 →	Aug 17, 5:11 pm EDT	Jennifer R CondameCAO and Controller	4,974	—	—	0	—
May 17, 2016 MForm 4 →	May 19, 5:28 pm EDT	Jennifer R CondameCAO and Controller	500	—	—	0	—