COST

Costco Wholesale Corp /New

Company with tickers: COST

CIK

909832

CUSIP

22160K105

Shares Outstanding

443,478,804

13F Activity (30d)

1605 filings 1497 filers

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Shares	Price	Value	After
2026-04-01	Frates Caton	Executive Vice President	Sell	700	$993.00	$695,100	5,815
2026-03-12	George Sarah Catherine	Executive Vice President	Inheritance	642	$991.21	$636,359	0
2026-03-12	George Sarah Catherine	Executive Vice President	Other	1,401	—	—	1,401
2026-03-11	MILLERCHIP GARY	Executive Vice President	Tax	1,154	$992.23	$1,145,033	15,465
2026-03-09	Adamo Claudine	Executive Vice President	Sell	730	$1,003.02	$732,205	6,121
2026-03-02	George Sarah Catherine	Executive Vice President	Other	1,401	—	—	1,401
2026-03-02	George Sarah Catherine	Executive Vice President	Other	642	—	—	642
2026-01-27	RAIKES JEFFREY S	Director	Gift	5,115	—	—	11,292
2026-01-27	Jones Teresa A.	Executive Vice President	Gift	300	—	—	3,927
2026-01-21	Jones Teresa A.	Executive Vice President	Sell	850	$986.26	$838,318	4,227
2026-01-16	Raimondo Gina Marie	Director	Award	215	—	—	215
2026-01-16	DECKER SUSAN L	Director	Sell	458	$955.00	$437,390	8,531
2026-01-15	Raimondo Gina Marie	Director	Other	0	—	—	0
2026-01-14	Klauer James C	Executive Vice President	Sell	1,500	$939.00	$1,408,500	44,836
2026-01-14	Klauer James C	Executive Vice President	Other	98	—	—	98
2026-01-09	Miller Russell D	Sr. Executive Vice President	Sell	1,500	$916.32	$1,374,480	8,240
2026-01-09	Miller Russell D	Sr. Executive Vice President	Other	0	—	—	0
2025-12-30	POLIT JAVIER	Executive Vice President	Sell	558	$862.90	$481,495	10,189
2025-12-29	POLIT JAVIER	Executive Vice President	Sell	2,049	$867.21	$1,776,904	10,747
2025-12-19	DENMAN KENNETH D	Director	Gift	325	—	—	5,663
2025-12-15	DECKER SUSAN L	Director	Gift	2,827	—	—	8,989
2025-11-10	RAIKES JEFFREY S	Director	Gift	4,120	—	—	16,407
2025-11-07	Wilcox William Richard	Executive Vice President	Sell	2,400	$930.13	$2,232,312	2,000
2025-10-24	Adamo Claudine	Executive Vice President	Sell	2,700	$935.68	$2,526,336	6,851
2025-10-24	Barbre Tiffany Marie	Insider	Sell	1,239	$934.62	$1,157,995	5,155
2025-10-22	MILLERCHIP GARY	Executive Vice President	Tax	500	$944.68	$472,340	16,619
2025-10-22	Adamo Claudine	Executive Vice President	Tax	176	$944.68	$166,264	9,661
2025-10-22	POLIT JAVIER	Executive Vice President	Tax	293	$944.68	$276,791	13,133
2025-10-22	Barbre Tiffany Marie	Insider	Tax	84	$944.68	$79,353	6,394
2025-10-22	JEWELL SARAH MR SALLY	Director	Award	286	—	—	3,612
2025-10-22	Vachris Roland Michael	Director, President and CEO	Tax	1,159	$944.68	$1,094,884	52,258
2025-10-22	Vachris Roland Michael	Director, President and CEO	Tax	1,493	$944.68	$1,410,407	53,417
2025-10-22	Adamo Claudine	Executive Vice President	Tax	96	$944.68	$90,689	10,037
2025-10-22	JAMES HAMILTON E	Director	Award	286	—	—	55,537
2025-10-22	Sullivan John Christopher	Executive VP	Tax	365	$944.68	$344,808	47,671
2025-10-22	Barbre Tiffany Marie	Insider	Award	2,118	—	—	6,937
2025-10-22	POLIT JAVIER	Executive Vice President	Tax	537	$944.68	$507,293	13,427
2025-10-22	DECKER SUSAN L	Director	Award	286	—	—	11,816
2025-10-22	Adamo Claudine	Executive Vice President	Tax	121	$944.68	$114,306	10,134
2025-10-22	Callans Patrick J	Executive Vice President	Tax	198	$944.68	$187,047	61,181
2025-10-22	Sullivan John Christopher	Executive VP	Tax	568	$944.68	$536,578	48,621
2025-10-22	RAIKES JEFFREY S	Director	Award	286	—	—	20,527
2025-10-22	Klauer James C	Executive Vice President	Tax	190	$944.68	$179,489	46,823
2025-10-22	MILLERCHIP GARY	Executive Vice President	Award	6,268	—	—	17,432
2025-10-22	Frates Caton	Executive Vice President	Tax	901	$944.68	$851,157	7,220
2025-10-22	Sullivan John Christopher	Executive VP	Tax	572	$944.68	$540,357	49,190
2025-10-22	Klauer James C	Executive Vice President	Other	98	—	—	98
2025-10-22	Klauer James C	Executive Vice President	Tax	239	$944.68	$225,779	47,014
2025-10-22	Foulkes Helena	Director	Award	286	—	—	1,086
2025-10-22	STANTON JOHN W	Director	Other	211	—	—	211

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