| $111M | ||
| $43M | ||
| $35M | ||
| $31M | ||
| $28M | ||
| $24M |
Buys | $0 | 0 | 0 |
Sells | $24,539,746 | 16 | 100 |
| Adamo Claudine | Executive Vice President | 0 | $0 | 1 | $732,205 | $-732,205 |
| DECKER SUSAN L | director | 0 | $0 | 2 | $973,448 | $-973,448 |
| Jones Teresa A. | Executive Vice President | 0 | $0 | 2 | $1.43M | $-1.43M |
| Riel Pierre | Executive Vice President | 0 | $0 | 1 | $2.03M | $-2.03M |
| Frates Caton | Executive Vice President | 0 | $0 | 2 | $2.1M | $-2.1M |
| Wilcox William Richard | Executive Vice President | 0 | $0 | 1 | $2.23M | $-2.23M |
| POLIT JAVIER | Executive Vice President | 0 | $0 | 2 | $2.26M | $-2.26M |
| Callans Patrick J | Executive Vice President | 0 | $0 | 1 | $3.01M | $-3.01M |
| Rubanenko Yoram | Executive Vice President | 0 | $0 | 1 | $3.9M | $-3.9M |
| Miller Russell D | Sr. Executive Vice President | 0 | $0 | 2 | $4.47M | $-4.47M |
| Klauer James C | Executive Vice President | 0 | $0 | 2 | $5.33M | $-5.33M |
Costco Wholesale Corporation, together with its subsidiaries, engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, Korea, Australia, Spain, France, Iceland, China, and Taiwan. It offers branded and private-label products in a range of merchandise categories. The company offers sundries, dry groceries, candies, coolers, freezers, liquor, and tobacco and deli products; appliances, electronics, health and beauty aids, hardware, garden and patio products, sporting goods, tires, toys and seasonal products, office supplies, automotive care products, postages, tickets, apparel, small appliances, furniture, domestics, housewares, special order kiosks, and jewelry; and meat, produce, service deli, and bakery products. It also operates pharmacies, opticals, food courts, hearing-aid centers, and tire installation centers, as well as 636 gas stations; and offers business delivery, travel, same-day grocery, and various other services online in various countries. As of August 29, 2021, the company operated 815 membership warehouses, including 564 in the United States and Puerto Rico, 105 in Canada, 39 in Mexico, 30 in Japan, 29 in the United Kingdom, 16 in South Korea, 14 in Taiwan, 12 in Australia, 3 in Spain, 1 in Iceland, 1 in France, and 1 in China. It also operates e-commerce websites in the United States, Canada, the United Kingdom, Mexico, South Korea, Taiwan, Japan, and Australia. The company was formerly known as Costco Companies, Inc. and changed its name to Costco Wholesale Corporation in August 1999. Costco Wholesale Corporation was founded in 1976 and is based in Issaquah, Washington.
Over the last 12 months, insiders at Costco Wholesale Corporation have bought $0 and sold $24.54M worth of Costco Wholesale Corporation stock.
On average, over the past 5 years, insiders at Costco Wholesale Corporation have bought $449,872 and sold $23.78M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 850 shares for transaction amount of $400,125 was made by Wilderotter Mary Agnes () on 2022‑06‑07.
| 2026-04-01 | Sale | Frates Caton | Executive Vice President | 700 0.0002% | $993.00 | $695,100 | +0.44% | |
| 2026-03-09 | Sale | Adamo Claudine | Executive Vice President | 730 0.0002% | $1,003.02 | $732,205 | -1.21% | |
| 2026-01-21 | Sale | Jones Teresa A. | Executive Vice President | 850 0.0002% | $986.26 | $838,318 | +0.77% | |
| 2026-01-16 | Sale | DECKER SUSAN L | director | 458 0.0001% | $955.00 | $437,390 | +2.71% | |
| 2026-01-14 | Sale | Klauer James C | Executive Vice President | 1,500 0.0003% | $939.00 | $1.41M | +3.96% | |
| 2026-01-09 | Sale | Miller Russell D | Sr. Executive Vice President | 1,500 0.0003% | $916.32 | $1.37M | +6.82% | |
| 2025-12-30 | Sale | POLIT JAVIER | Executive Vice President | 558.3 0.0001% | $862.89 | $481,759 | +13.93% | |
| 2025-12-29 | Sale | POLIT JAVIER | Executive Vice President | 2,049 0.0005% | $867.21 | $1.78M | +13.59% | |
| 2025-11-07 | Sale | Wilcox William Richard | Executive Vice President | 2,400 0.0006% | $930.13 | $2.23M | +5.40% | |
| 2025-09-29 | Sale | Miller Russell D | Sr. Executive Vice President | 3,381 0.0008% | $915.00 | $3.09M | +2.86% | |
| 2025-09-29 | Sale | Frates Caton | Executive Vice President | 1,540 0.0003% | $910.02 | $1.4M | +2.86% | |
| 2025-08-20 | Sale | Jones Teresa A. | Executive Vice President | 600 0.0001% | $992.05 | $595,230 | -4.96% | |
| 2025-07-14 | Sale | Rubanenko Yoram | Executive Vice President | 4,000 0.0009% | $974.96 | $3.9M | -3.05% | |
| 2025-06-18 | Sale | DECKER SUSAN L | director | 547 0.0001% | $980.00 | $536,058 | -2.07% | |
| 2025-06-09 | Sale | Callans Patrick J | Executive Vice President | 3,000 0.0007% | $1,002.77 | $3.01M | -4.87% | |
| 2025-06-06 | Sale | Riel Pierre | Executive Vice President | 2,000 0.0005% | $1,014.15 | $2.03M | -5.67% | |
| 2025-04-17 | Sale | Klauer James C | Executive Vice President | 4,000 0.001% | $981.07 | $3.92M | -2.16% | |
| 2025-03-27 | Sale | MILLERCHIP GARY | Executive Vice President | 1,100 0.0002% | $940.01 | $1.03M | +2.91% | |
| 2025-03-24 | Sale | Adamo Claudine | Executive Vice President | 900 0.0002% | $922.56 | $830,304 | +4.22% | |
| 2025-03-18 | Sale | Frates Caton | Executive Vice President | 850 0.0002% | $900.25 | $765,213 | +7.20% |
| Callans Patrick J | Executive Vice President | 58543 0.0132% | $58.54M | 0 | 10 | |
| Klauer James C | Executive Vice President | 44837 0.0101% | $44.83M | 0 | 7 | |
| POLIT JAVIER | Executive Vice President | 10190 0.0023% | $10.19M | 0 | 2 | |
| DECKER SUSAN L | director | 8532 0.0019% | $8.53M | 1 | 31 | +2.88% |
| Miller Russell D | Sr. Executive Vice President | 8240 0.0019% | $8.24M | 0 | 11 | |
| Riel Pierre | Executive Vice President | 8210 0.0019% | $8.21M | 0 | 3 | |
| Adamo Claudine | Executive Vice President | 6121 0.0014% | $6.12M | 0 | 7 | |
| Rubanenko Yoram | Executive Vice President | 5774 0.0013% | $5.77M | 0 | 3 | |
| Frates Caton | Executive Vice President | 5815 0.0013% | $5.81M | 0 | 7 | |
| Jones Teresa A. | Executive Vice President | 4228 0.001% | $4.23M | 0 | 4 | |
| Wilcox William Richard | Executive Vice President | 2000 0.0005% | $2M | 0 | 1 | |
| SINEGAL JAMES D | director | 695019 0.1567% | $694.94M | 0 | 70 | |
| WALKER THOMAS KIRK | Executive VP | 253763 0.0572% | $253.74M | 0 | 7 | |
| JELINEK W CRAIG | director | 216212 0.0487% | $216.19M | 0 | 19 | |
| DICERCHIO RICHARD D | director | 128030 0.0289% | $128.02M | 0 | 15 | |
| BROTMAN JEFFREY H | Chairman of the Board | 107452 0.0242% | $107.44M | 0 | 40 | |
| McKay John D | Executive Vice President | 66751 0.015% | $66.74M | 0 | 19 | |
| GATES WILLIAM H II | director | 48134 0.0108% | $48.13M | 0 | 2 | |
| Vachris Roland Michael | President and CEO | 41077 0.0093% | $41.07M | 0 | 11 | |
| SCHUTT DOUGLAS W | Former Executive VP | 40184 0.0091% | $40.18M | 0 | 10 | |
| LIBENSON RICHARD M | director | 38682 0.0087% | $38.68M | 0 | 17 | |
| Murphy James P. | Executive VP | 36230 0.0082% | $36.23M | 0 | 17 | |
| LAZARUS FRANZ E | Executive VP | 30432 0.0069% | $30.43M | 0 | 18 | |
| JAMES HAMILTON E | director | 29076 0.0066% | $29.07M | 0 | 10 | |
| Rose Timothy L. | Executive VP | 28409 0.0064% | $28.41M | 0 | 19 | |
| GALANTI RICHARD A | Executive Vice President | 27400 0.0062% | $27.4M | 0 | 80 | |
| MOULTON PAUL G | Executive VP | 23049 0.0052% | $23.05M | 0 | 22 | |
| PETTERSON DAVID S | 20926 0.0047% | $20.92M | 0 | 64 | ||
| RUCKELSHAUS JILL S | 18566 0.0042% | $18.56M | 0 | 11 | ||
| CARSON BENJAMIN SR | director | 15356 0.0035% | $15.35M | 0 | 8 | |
| STANTON JOHN W | director | 13456 0.003% | $13.45M | 1 | 0 | <0.0001% |
| ZOOK DENNIS R | Executive VP | 13265 0.003% | $13.26M | 0 | 30 | |
| MEISENBACH JOHN W | director | 12833 0.0029% | $12.83M | 1 | 63 | +20.03% |
| Wilderotter Mary Agnes | 11295 0.0025% | $11.29M | 2 | 0 | <0.0001% | |
| Hines Daniel M. | Principal Acctg Officer | 10992 0.0025% | $10.99M | 0 | 11 | |
| MILLERCHIP GARY | Executive Vice President | 11165 0.0025% | $11.16M | 0 | 1 | |
| RAIKES JEFFREY S | director | 8250 0.0019% | $8.25M | 1 | 0 | |
| DENMAN KENNETH D | director | 5920 0.0013% | $5.92M | 0 | 4 | |
| EVANS DANIEL J | director | 1979 0.0004% | $1.98M | 3 | 1 | +12.2% |
| PORTERA JOSEPH P | Executive VP | 1789 0.0004% | $1.79M | 0 | 30 |
$116,918,633 | 51 | 10.86% | $21.06B | |
$47,830,930 | 48 | 3.96% | $1,016.48B | |
$15,186,308 | 47 | 9.02% | $27.9B | |
$23,048,766 | 22 | 12.40% | $57.89B | |
Costco Wholesale Corporation (COST) | $6,086,542 | 8 | 7.21% | $443.6B |
$830,748 | 6 | 19.80% | $5.82B | |
$267,493 | 2 | 22.16% | $12.05B |
| Increased Positions | 1,993 | +46.57% | 25M | +8.38% |
| Decreased Positions | 1,894 | -44.25% | 12M | -3.95% |
| New Positions | 370 | New | 2M | New |
| Sold Out Positions | 182 | Sold Out | 887,652 | Sold Out |
| Total Postitions | 4,379 | +2.31% | 316M | +4.43% |
| Vanguard Group Inc | $37.13M | 9.79% | 43.46M | +99,097 | +0.23% | 2025-09-30 |
| Blackrock, Inc. | $29.72M | 7.83% | 34.78M | -801,895 | -2.25% | 2025-09-30 |
| State Street Corp | $15.52M | 4.09% | 18.16M | -160,631 | -0.88% | 2025-09-30 |
| Geode Capital Management, Llc | $8.85M | 2.33% | 10.36M | +86,773 | +0.84% | 2025-09-30 |
| Morgan Stanley | $8.05M | 2.12% | 9.42M | -156,701 | -1.64% | 2025-09-30 |
| Fmr Llc | $6.8M | 1.79% | 7.95M | -1M | -15.52% | 2025-09-30 |
| Bank Of America Corp /De/ | $5.87M | 1.55% | 6.87M | -112,411 | -1.61% | 2025-09-30 |
| Norges Bank | $4.91M | 1.3% | 5.75M | +93,996 | +1.66% | 2025-06-30 |
| Northern Trust Corp | $4.32M | 1.14% | 5.06M | +5,438 | +0.11% | 2025-09-30 |
| Invesco Ltd. | $3.58M | 0.94% | 4.19M | -105,978 | -2.47% | 2025-09-30 |