Patrick J Callans

Insider

First SEC filing: Jan. 10, 2019 · Latest: Oct. 11, 2022

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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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

COST selling June 9, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 57 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

57 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Oct. 22, 2025	COST	F	191	$944.68	$180,434	61,380 Direct	-0.31%	Disposed	3.2% (price as of 2026-08-19)
Oct. 22, 2025	COST	F	111	$944.68	$104,859	60,895 Direct	-0.18%	Disposed	3.2% (price as of 2026-08-19)
Oct. 22, 2025	COST	F	177	$944.68	$167,208	61,005 Direct	-0.29%	Disposed	3.2% (price as of 2026-08-19)
Oct. 22, 2025	COST	F	199	$944.68	$187,991	61,182 Direct	-0.32%	Disposed	3.2% (price as of 2026-08-19)
Oct. 22, 2025	COST	F	240	$944.68	$226,723	61,572 Direct	-0.39%	Disposed	3.2% (price as of 2026-08-19)
Sept. 10, 2025	COST	F	950	$956.29	$908,476	61,812 Direct	-1.51%	Disposed	1.9% (price as of 2026-08-19)
Sept. 10, 2025	COST	A	4,219	—	—	62,761 Direct	+7.21%	Acquired	(price as of 2026-08-19)
June 9, 2025	COST	S	3,000	$1002.77	$3,008,310	58,543 Direct	-4.87%	Disposed	-2.8% (price as of 2026-08-19)
Oct. 22, 2024	COST	F	1,060	$893.49	$947,099	61,543 Direct	-1.69%	Disposed	9.1% (price as of 2026-08-19)
Oct. 22, 2024	COST	F	992	$893.49	$886,342	62,603 Direct	-1.56%	Disposed	9.1% (price as of 2026-08-19)
Oct. 22, 2024	COST	F	764	$893.49	$682,626	63,595 Direct	-1.19%	Disposed	9.1% (price as of 2026-08-19)
Oct. 22, 2024	COST	F	721	$893.49	$644,206	64,359 Direct	-1.11%	Disposed	9.1% (price as of 2026-08-19)
Oct. 22, 2024	COST	F	584	$893.49	$521,798	65,080 Direct	-0.89%	Disposed	9.1% (price as of 2026-08-19)
Sept. 30, 2024	COST	G	750	—	—	65,664 Direct	-1.13%	Disposed	(price as of 2026-08-19)
Sept. 30, 2024	COST	S	2,500	$893.94	$2,234,850	66,414 Direct	-3.63%	Disposed	9.0% (price as of 2026-08-19)
Sept. 16, 2024	COST	F	718	$907.87	$651,851	68,914 Direct	-1.03%	Disposed	7.3% (price as of 2026-08-19)
Sept. 16, 2024	COST	A	6,737	—	—	69,632 Direct	+10.71%	Acquired	(price as of 2026-08-19)
March 11, 2024	COST	S	2,500	$714.86	$1,787,150	62,895 Direct	-3.82%	Disposed	36.3% (price as of 2026-08-19)
Jan. 12, 2024	COST	A	192	—	—	65,395 Direct	+0.29%	Acquired	(price as of 2026-08-19)
Jan. 12, 2024	COST	A	121	—	—	65,324 Direct	+0.19%	Acquired	(price as of 2026-08-19)
Oct. 22, 2023	COST	F	375	$552.93	$207,349	65,203 Direct	-0.57%	Disposed	76.2% (price as of 2026-08-19)
Oct. 22, 2023	COST	F	472	$552.93	$260,983	65,578 Direct	-0.71%	Disposed	76.2% (price as of 2026-08-19)
Oct. 22, 2023	COST	F	573	$552.93	$316,829	66,050 Direct	-0.86%	Disposed	76.2% (price as of 2026-08-19)
Oct. 22, 2023	COST	F	722	$552.93	$399,215	66,623 Direct	-1.07%	Disposed	76.2% (price as of 2026-08-19)
Oct. 22, 2023	COST	F	390	$552.93	$215,643	67,345 Direct	-0.58%	Disposed	76.2% (price as of 2026-08-19)
Oct. 9, 2023	COST	G	200	—	—	67,734 Direct	-0.29%	Disposed	(price as of 2026-08-19)
Oct. 9, 2023	COST	S	2,500	$553.76	$1,384,400	67,934 Direct	-3.55%	Disposed	76.0% (price as of 2026-08-19)
Sept. 15, 2023	COST	F	705	$556.36	$392,234	70,528 Direct	-0.99%	Disposed	75.2% (price as of 2026-08-19)
Sept. 15, 2023	COST	A	7,429	—	—	71,234 Direct	+11.64%	Acquired	(price as of 2026-08-19)
Dec. 13, 2022	COST	G	94	—	—	70,434 Direct	-0.13%	Disposed	(price as of 2026-08-19)
Oct. 22, 2022	COST	F	376	$478.18	$179,796	63,805 Direct	-0.59%	Disposed	103.8% (price as of 2026-08-19)
Oct. 22, 2022	COST	F	472	$478.18	$225,701	64,181 Direct	-0.73%	Disposed	103.8% (price as of 2026-08-19)
Oct. 22, 2022	COST	F	574	$478.18	$274,475	64,653 Direct	-0.88%	Disposed	103.8% (price as of 2026-08-19)
Oct. 22, 2022	COST	F	722	$478.18	$345,246	65,227 Direct	-1.09%	Disposed	103.8% (price as of 2026-08-19)
Oct. 22, 2022	COST	F	509	$478.18	$243,394	65,949 Direct	-0.77%	Disposed	103.8% (price as of 2026-08-19)
Sept. 12, 2022	COST	A	7,154	—	—	66,458 Direct	+12.06%	Acquired	(price as of 2026-08-19)
Sept. 12, 2022	COST	F	662	$539.52	$357,162	61,757 Direct	-1.06%	Disposed	80.6% (price as of 2026-08-19)
Sept. 12, 2022	COST	A	2,388	—	—	62,419 Direct	+3.98%	Acquired	(price as of 2026-08-19)
Dec. 13, 2021	COST	S	2,500	$549.03	$1,372,575	60,031 Direct	-4.00%	Disposed	77.5% (price as of 2026-08-19)
Oct. 22, 2021	COST	F	472	$481.99	$227,499	62,531 Direct	-0.75%	Disposed	102.2% (price as of 2026-08-19)
Oct. 22, 2021	COST	F	574	$481.99	$276,662	63,003 Direct	-0.90%	Disposed	102.2% (price as of 2026-08-19)
Oct. 22, 2021	COST	F	723	$481.99	$348,479	63,577 Direct	-1.12%	Disposed	102.2% (price as of 2026-08-19)
Oct. 22, 2021	COST	F	510	$481.99	$245,815	64,300 Direct	-0.79%	Disposed	102.2% (price as of 2026-08-19)
Oct. 22, 2021	COST	F	551	$481.99	$265,576	64,810 Direct	-0.84%	Disposed	102.2% (price as of 2026-08-19)
Sept. 14, 2021	COST	F	855	$458.41	$391,941	65,361 Direct	-1.29%	Disposed	112.6% (price as of 2026-08-19)
Sept. 14, 2021	COST	A	8,998	—	—	66,216 Direct	+15.73%	Acquired	(price as of 2026-08-19)
June 7, 2021	COST	S	2,500	$384.31	$960,775	57,218 Direct	-4.19%	Disposed	153.6% (price as of 2026-08-19)
Dec. 14, 2020	COST	G	120	—	—	59,718 Direct	-0.20%	Disposed	(price as of 2026-08-19)
Dec. 14, 2020	COST	S	2,500	$374.64	$936,600	59,838 Direct	-4.01%	Disposed	160.1% (price as of 2026-08-19)
Dec. 11, 2020	COST	A	288	—	—	62,338 Direct	+0.46%	Acquired	(price as of 2026-08-19)
Oct. 22, 2020	COST	F	564	$375.75	$211,923	62,050 Direct	-0.90%	Disposed	159.3% (price as of 2026-08-19)
Oct. 22, 2020	COST	F	710	$375.75	$266,782	62,614 Direct	-1.12%	Disposed	159.3% (price as of 2026-08-19)
Oct. 22, 2020	COST	F	500	$375.75	$187,875	63,324 Direct	-0.78%	Disposed	159.3% (price as of 2026-08-19)
Oct. 22, 2020	COST	F	540	$375.75	$202,905	63,824 Direct	-0.84%	Disposed	159.3% (price as of 2026-08-19)
Oct. 22, 2020	COST	F	509	$375.75	$191,257	64,364 Direct	-0.78%	Disposed	159.3% (price as of 2026-08-19)
Sept. 14, 2020	COST	F	971	$342.92	$332,975	64,873 Direct	-1.47%	Disposed	184.2% (price as of 2026-08-19)
Sept. 14, 2020	COST	A	10,730	—	—	65,844 Direct	+19.47%	Acquired	(price as of 2026-08-19)
June 5, 2020	COST	S	2,500	$309.22	$773,050	55,114 Direct	-4.34%	Disposed	215.1% (price as of 2026-08-19)
Dec. 16, 2019	COST	S	2,000	$293.99	$587,980	57,679 Direct	-3.35%	Disposed	231.5% (price as of 2026-08-19)
Dec. 16, 2019	COST	G	65	—	—	57,614 Direct	-0.11%	Disposed	(price as of 2026-08-19)
Oct. 31, 2019	COST	G	51	—	—	59,679 Direct	-0.09%	Disposed	(price as of 2026-08-19)
Oct. 22, 2019	COST	F	2,483	$299.97	$744,826	59,730 Direct	-3.99%	Disposed	224.9% (price as of 2026-08-19)
Oct. 22, 2019	COST	F	1,499	$299.97	$449,655	62,213 Direct	-2.35%	Disposed	224.9% (price as of 2026-08-19)
Oct. 22, 2019	COST	F	1,350	$299.97	$404,960	63,712 Direct	-2.07%	Disposed	224.9% (price as of 2026-08-19)
Oct. 22, 2019	COST	F	860	$299.97	$257,974	65,062 Direct	-1.30%	Disposed	224.9% (price as of 2026-08-19)
Oct. 22, 2019	COST	F	557	$299.97	$167,083	65,922 Direct	-0.84%	Disposed	224.9% (price as of 2026-08-19)
June 7, 2019	COST	S	2,000	$252.15	$504,300	66,479 Direct	-2.92%	Disposed	286.5% (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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Jan. 10, 2019	COST	Common Stock	—	Direct