Gregory S Gallopoulos

Insider

First SEC filing: Jan. 6, 2010 · Latest: Jan. 6, 2010

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.

Insider at

GD selling June 13, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 84 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

84 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 7, 2026	GD	G	1,500	—	—	124,264 Direct	-1.19%	Disposed	(price as of 2026-08-20)
Oct. 29, 2025	GD	G	1,200	—	—	126,843 Direct	-0.94%	Disposed	(price as of 2026-08-20)
Oct. 28, 2025	GD	M	45,580	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 28, 2025	GD	F	32,586	$350.60	$11,424,652	128,043 Direct	-20.29%	Disposed	11.7% (price as of 2026-08-20)
Oct. 28, 2025	GD	M	45,580	$168.56	$7,682,965	160,629 Direct	+39.62%	Acquired	132.4% (price as of 2026-08-20)
July 28, 2025	GD	M	32,580	$165.47	$5,391,013	139,692 Direct	+30.42%	Acquired	136.7% (price as of 2026-08-20)
July 28, 2025	GD	M	32,580	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 28, 2025	GD	F	24,643	$311.82	$7,684,180	115,049 Direct	-17.64%	Disposed	25.6% (price as of 2026-08-20)
June 13, 2025	GD	M	42,230	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 13, 2025	GD	S	3,612	$285.08	$1,029,709	107,112 Direct	-3.26%	Disposed	37.4% (price as of 2026-08-20)
June 13, 2025	GD	S	30,509	$284.36	$8,675,539	110,724 Direct	-21.60%	Disposed	37.8% (price as of 2026-08-20)
June 13, 2025	GD	S	8,109	$283.00	$2,294,847	141,233 Direct	-5.43%	Disposed	38.4% (price as of 2026-08-20)
June 13, 2025	GD	M	42,230	$167.61	$7,078,170	149,342 Direct	+39.43%	Acquired	133.7% (price as of 2026-08-20)
March 5, 2025	GD	A	27,010	—	—	27,010 Direct	—	Acquired	(price as of 2026-08-20)
March 5, 2025	GD	S	3,534	$263.42	$930,926	107,112 Direct	-3.19%	Disposed	48.7% (price as of 2026-08-20)
March 5, 2025	GD	A	3,250	—	—	110,646 Direct	+3.03%	Acquired	(price as of 2026-08-20)
March 4, 2025	GD	F	1,515	$253.95	$384,734	107,396 Direct	-1.39%	Disposed	54.3% (price as of 2026-08-20)
March 4, 2025	GD	A	3,358	—	—	108,911 Direct	+3.18%	Acquired	(price as of 2026-08-20)
March 3, 2025	GD	F	1,399	$254.11	$355,500	105,553 Direct	-1.31%	Disposed	54.2% (price as of 2026-08-20)
Oct. 29, 2024	GD	M	30,700	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 29, 2024	GD	F	27,093	$303.26	$8,216,223	106,952 Direct	-20.21%	Disposed	29.2% (price as of 2026-08-20)
Oct. 29, 2024	GD	M	30,700	$223.93	$6,874,651	134,045 Direct	+29.71%	Acquired	74.9% (price as of 2026-08-20)
April 29, 2024	GD	S	13,567	$288.51	$3,914,215	103,345 Direct	-11.60%	Disposed	35.8% (price as of 2026-08-20)
March 6, 2024	GD	A	2,610	—	—	116,912 Direct	+2.28%	Acquired	(price as of 2026-08-20)
March 6, 2024	GD	A	23,700	—	—	23,700 Direct	—	Acquired	(price as of 2026-08-20)
March 5, 2024	GD	F	2,255	$274.91	$619,922	114,302 Direct	-1.93%	Disposed	42.5% (price as of 2026-08-20)
March 5, 2024	GD	A	4,998	—	—	116,557 Direct	+4.48%	Acquired	(price as of 2026-08-20)
March 4, 2024	GD	F	1,760	$273.37	$481,131	111,559 Direct	-1.55%	Disposed	43.3% (price as of 2026-08-20)
Oct. 30, 2023	GD	M	33,200	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 30, 2023	GD	S	16,012	$238.72	$3,822,385	113,319 Direct	-12.38%	Disposed	64.1% (price as of 2026-08-20)
Oct. 30, 2023	GD	S	17,188	$238.04	$4,091,432	129,331 Direct	-11.73%	Disposed	64.6% (price as of 2026-08-20)
Oct. 30, 2023	GD	M	33,200	$191.71	$6,364,772	146,519 Direct	+29.30%	Acquired	104.3% (price as of 2026-08-20)
Aug. 11, 2023	GD	S	6,500	$225.83	$1,467,895	113,319 Direct	-5.42%	Disposed	73.5% (price as of 2026-08-20)
March 8, 2023	GD	A	29,790	—	—	29,790 Direct	—	Acquired	(price as of 2026-08-20)
March 8, 2023	GD	A	3,105	—	—	119,819 Direct	+2.66%	Acquired	(price as of 2026-08-20)
March 7, 2023	GD	F	3,870	$231.88	$897,376	116,714 Direct	-3.21%	Disposed	68.9% (price as of 2026-08-20)
March 7, 2023	GD	A	8,580	—	—	120,584 Direct	+7.66%	Acquired	(price as of 2026-08-20)
March 6, 2023	GD	F	1,475	$231.97	$342,156	112,004 Direct	-1.30%	Disposed	68.9% (price as of 2026-08-20)
Aug. 1, 2022	GD	S	11,126	$227.68	$2,533,168	113,479 Direct	-8.93%	Disposed	72.1% (price as of 2026-08-20)
April 29, 2022	GD	S	10,644	$237.93	$2,532,527	124,605 Direct	-7.87%	Disposed	64.6% (price as of 2026-08-20)
March 7, 2022	GD	F	1,649	$250.24	$412,646	135,249 Direct	-1.20%	Disposed	56.5% (price as of 2026-08-20)
March 7, 2022	GD	F	1,679	$250.24	$420,153	134,979 Direct	-1.23%	Disposed	56.5% (price as of 2026-08-20)
March 2, 2022	GD	A	37,210	—	—	37,210 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2022	GD	A	3,090	—	—	136,628 Direct	+2.31%	Acquired	(price as of 2026-08-20)
March 1, 2022	GD	F	40,253	$232.38	$9,353,992	132,078 Direct	-23.36%	Disposed	68.6% (price as of 2026-08-20)
March 1, 2022	GD	M	49,170	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2022	GD	F	1,423	$234.57	$333,793	133,538 Direct	-1.05%	Disposed	67.0% (price as of 2026-08-20)
March 1, 2022	GD	A	3,153	—	—	134,961 Direct	+2.39%	Acquired	(price as of 2026-08-20)
March 1, 2022	GD	F	40,523	$232.38	$9,416,735	131,808 Direct	-23.51%	Disposed	68.6% (price as of 2026-08-20)
March 1, 2022	GD	M	49,170	$135.85	$6,679,744	172,331 Direct	+39.92%	Acquired	188.4% (price as of 2026-08-20)
July 30, 2021	GD	M	38,300	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
July 30, 2021	GD	F	33,478	$195.52	$6,545,619	123,161 Direct	-21.37%	Disposed	100.4% (price as of 2026-08-20)
July 30, 2021	GD	M	38,300	$136.78	$5,238,674	156,639 Direct	+32.36%	Acquired	186.4% (price as of 2026-08-20)
March 8, 2021	GD	F	1,162	$172.96	$200,980	118,339 Direct	-0.97%	Disposed	126.5% (price as of 2026-08-20)
March 3, 2021	GD	A	3,895	—	—	119,501 Direct	+3.37%	Acquired	(price as of 2026-08-20)
March 3, 2021	GD	A	45,580	—	—	45,580 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2021	GD	A	2,988	—	—	116,956 Direct	+2.62%	Acquired	(price as of 2026-08-20)
March 2, 2021	GD	F	1,350	$167.68	$226,368	115,606 Direct	-1.15%	Disposed	133.6% (price as of 2026-08-20)
June 5, 2020	GD	M	36,740	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 5, 2020	GD	F	32,009	$162.26	$5,193,780	118,968 Direct	-21.20%	Disposed	141.4% (price as of 2026-08-20)
June 5, 2020	GD	M	36,740	$112.40	$4,129,576	150,977 Direct	+32.16%	Acquired	248.5% (price as of 2026-08-20)
March 4, 2020	GD	A	32,580	—	—	32,580 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2020	GD	A	3,265	—	—	114,237 Direct	+2.94%	Acquired	(price as of 2026-08-20)
March 3, 2020	GD	F	2,025	$165.46	$335,056	110,972 Direct	-1.79%	Disposed	136.8% (price as of 2026-08-20)
March 3, 2020	GD	A	4,489	—	—	112,997 Direct	+4.14%	Acquired	(price as of 2026-08-20)
March 2, 2020	GD	F	1,290	$161.42	$208,232	108,508 Direct	-1.17%	Disposed	142.7% (price as of 2026-08-20)
Jan. 2, 2020	GD	F	1,845	$177.98	$328,373	109,798 Direct	-1.65%	Disposed	120.1% (price as of 2026-08-20)
Nov. 6, 2019	GD	M	36,740	—	—	36,740 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Nov. 6, 2019	GD	F	29,781	$181.16	$5,395,126	111,643 Direct	-21.06%	Disposed	116.2% (price as of 2026-08-20)
Nov. 6, 2019	GD	M	36,740	$112.40	$4,129,576	141,424 Direct	+35.10%	Acquired	248.5% (price as of 2026-08-20)
March 6, 2019	GD	A	42,230	—	—	42,230 Direct	—	Acquired	(price as of 2026-08-20)
March 6, 2019	GD	A	3,655	—	—	104,684 Direct	+3.62%	Acquired	(price as of 2026-08-20)
March 5, 2019	GD	F	2,865	$167.57	$480,088	101,029 Direct	-2.76%	Disposed	133.8% (price as of 2026-08-20)
March 5, 2019	GD	A	6,351	—	—	103,894 Direct	+6.51%	Acquired	(price as of 2026-08-20)
Jan. 2, 2019	GD	F	1,780	$155.64	$277,039	97,543 Direct	-1.79%	Disposed	151.7% (price as of 2026-08-20)
March 7, 2018	GD	A	30,700	—	—	30,700 Direct	—	Acquired	(price as of 2026-08-20)
March 7, 2018	GD	A	2,575	—	—	109,323 Direct	+2.41%	Acquired	(price as of 2026-08-20)
March 7, 2018	GD	F	2,757	$223.93	$617,375	106,748 Direct	-2.52%	Disposed	74.9% (price as of 2026-08-20)
March 6, 2018	GD	A	6,111	—	—	109,505 Direct	+5.91%	Acquired	(price as of 2026-08-20)
Jan. 3, 2018	GD	F	6,295	$201.99	$1,271,527	103,394 Direct	-5.74%	Disposed	93.9% (price as of 2026-08-20)
Nov. 10, 2017	GD	A	39	—	—	109,690 Direct	+0.04%	Acquired	(price as of 2026-08-20)
Nov. 6, 2017	GD	M	78,370	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 6, 2017	GD	S	7,055	$203.46	$1,435,410	109,651 Direct	-6.05%	Disposed	92.5% (price as of 2026-08-20)
Nov. 6, 2017	GD	S	71,315	$202.87	$14,467,674	116,706 Direct	-37.93%	Disposed	93.1% (price as of 2026-08-20)
Nov. 6, 2017	GD	M	78,370	$67.70	$5,305,649	188,021 Direct	+71.47%	Acquired	478.7% (price as of 2026-08-20)
Aug. 11, 2017	GD	A	39	—	—	109,651 Direct	+0.04%	Acquired	(price as of 2026-08-20)
May 5, 2017	GD	A	40	—	—	109,611 Direct	+0.04%	Acquired	(price as of 2026-08-20)
March 1, 2017	GD	A	33,200	—	—	33,200 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2017	GD	A	2,860	—	—	109,572 Direct	+2.68%	Acquired	(price as of 2026-08-20)
Feb. 10, 2017	GD	A	38	—	—	106,712 Direct	+0.04%	Acquired	(price as of 2026-08-20)
Jan. 31, 2017	GD	M	39,860	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 31, 2017	GD	S	100	$181.20	$18,120	106,674 Direct	-0.09%	Disposed	116.2% (price as of 2026-08-20)
Jan. 31, 2017	GD	S	16,605	$180.77	$3,001,686	106,774 Direct	-13.46%	Disposed	116.7% (price as of 2026-08-20)
Jan. 31, 2017	GD	S	23,155	$179.42	$4,154,470	123,379 Direct	-15.80%	Disposed	118.3% (price as of 2026-08-20)
Jan. 31, 2017	GD	M	39,860	$71.01	$2,830,459	146,534 Direct	+37.37%	Acquired	451.7% (price as of 2026-08-20)
Jan. 3, 2017	GD	F	8,363	$175.49	$1,467,623	106,674 Direct	-7.27%	Disposed	123.2% (price as of 2026-08-20)
Nov. 10, 2016	GD	A	90	—	—	115,037 Direct	+0.08%	Acquired	(price as of 2026-08-20)
Aug. 5, 2016	GD	A	99	—	—	114,947 Direct	+0.09%	Acquired	(price as of 2026-08-20)
July 29, 2016	GD	M	39,000	—	—	39,860 Direct	-49.45%	Disposed	(price as of 2026-08-20)
July 29, 2016	GD	S	39,000	$146.58	$5,716,620	114,848 Direct	-25.35%	Disposed	167.3% (price as of 2026-08-20)

Showing latest 100 of 163 transactions

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
Oct. 28, 2025	GD	Stock Options	Common Stock (45,580)	$168.56	March 2, 2031	45,580	Disposed
July 28, 2025	GD	Stock Options	Common Stock (32,580)	$165.47	March 3, 2030	32,580	Disposed
June 13, 2025	GD	Stock Options	Common Stock (42,230)	$167.61	March 5, 2029	42,230	Disposed
March 5, 2025	GD	Stock Options	Common Stock (27,010)	$257.55	March 4, 2035	27,010	Acquired
Oct. 29, 2024	GD	Stock Options	Common Stock (30,700)	$223.93	March 6, 2028	30,700	Disposed
March 6, 2024	GD	Stock Options	Common Stock (23,700)	$274.51	March 5, 2034	23,700	Acquired
Oct. 30, 2023	GD	Stock Options	Common Stock (33,200)	$191.71	Feb. 28, 2027	33,200	Disposed
March 8, 2023	GD	Stock Options	Common Stock (29,790)	$227.58	March 7, 2033	29,790	Acquired
March 2, 2022	GD	Stock Options	Common Stock (37,210)	$232.90	March 1, 2032	37,210	Acquired
March 1, 2022	GD	Stock Options	Common Stock (49,170)	$135.85	March 1, 2026	49,170	Disposed
July 30, 2021	GD	Stock Options	Common Stock (38,300)	$136.78	March 3, 2025	38,300	Disposed
March 3, 2021	GD	Stock Options	Common Stock (45,580)	$168.56	March 2, 2031	45,580	Acquired
June 5, 2020	GD	Stock Options	Common Stock (36,740)	$112.40	March 4, 2021	36,740	Disposed
March 4, 2020	GD	Stock Options	Common Stock (32,580)	$165.47	March 3, 2030	32,580	Acquired
Nov. 6, 2019	GD	Stock Options	Common Stock (36,740)	$112.40	March 4, 2021	36,740	Disposed
March 6, 2019	GD	Stock Options	Common Stock (42,230)	$167.61	March 5, 2029	42,230	Acquired
March 7, 2018	GD	Stock Options	Common Stock (30,700)	$223.93	March 6, 2028	30,700	Acquired
Nov. 6, 2017	GD	Stock Options	Common Stock (78,370)	$67.70	March 5, 2020	78,370	Disposed
March 1, 2017	GD	Stock Options	Common Stock (33,200)	$191.71	Feb. 28, 2027	33,200	Acquired
Jan. 31, 2017	GD	Stock Options	Common Stock (39,860)	$71.01	March 6, 2019	39,860	Disposed
July 29, 2016	GD	Stock Options	Common Stock (39,000)	$71.01	March 6, 2019	39,000	Disposed
March 2, 2016	GD	Stock Options	Common Stock (49,170)	$135.85	March 1, 2026	49,170	Acquired
Feb. 18, 2016	GD	Stock Options	Common Stock (60,890)	$74.81	March 1, 2018	60,890	Disposed
Nov. 2, 2015	GD	Stock Options	Common Stock (30,000)	$67.70	March 5, 2020	30,000	Disposed
Aug. 3, 2015	GD	Stock Options	Common Stock (25,000)	$74.81	March 1, 2018	25,000	Disposed
March 4, 2015	GD	Stock Options	Common Stock (38,300)	$136.78	—	38,300	Acquired
May 6, 2014	GD	Stock Options	Common Stock (39,650)	$73.49	March 2, 2015	39,650	Disposed
May 6, 2014	GD	Stock Options	Common Stock (39,650)	$73.49	March 2, 2015	39,650	Disposed
March 5, 2014	GD	Stock Options	Common Stock (73,480)	$112.40	March 4, 2021	73,480	Acquired
Jan. 30, 2014	GD	Stock Options	Common Stock (38,290)	$73.49	March 2, 2015	38,290	Disposed
Aug. 21, 2013	GD	Stock Options	Common Stock (1,360)	$73.49	March 2, 2015	1,360	Disposed
March 6, 2013	GD	Stock Options	Common Stock (108,370)	$67.70	March 6, 2020	108,370	Acquired
May 16, 2012	GD	Stock Options	Common Stock (1,247)	$40.09	March 3, 2014	1,247	Disposed
March 7, 2012	GD	Stock Options	Common Stock (78,860)	$71.01	March 6, 2019	78,860	Acquired
Feb. 3, 2012	GD	Stock Options	Common Stock (128,806)	$40.09	March 3, 2014	128,806	Disposed
March 14, 2011	GD	Stock Options	Common Stock (1,247)	$40.09	March 3, 2014	1,247	Disposed
March 2, 2011	GD	Stock Options	Common Stock (85,890)	$74.81	March 1, 2018	85,890	Acquired
March 3, 2010	GD	Stock Options	Common Stock (79,300)	$73.49	March 2, 2015	79,300	Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
Jan. 6, 2010	GD	Common Stock, $1.00 par value	14,830	Direct
Jan. 6, 2010	GD	Stock Options→ Common Stock (131,300)	131,300	Direct
Jan. 6, 2010	GD	Stock Options→ Common Stock (46,500)	46,500	Direct