| $231M | ||
| $111M | ||
| $80M | ||
| $31M | ||
| $30M | ||
| $24M |
Buys | $0 | 0 | 0 |
Sells | $14,626,713 | 13 | 100 |
| DECKER SUSAN L | director | 0 | $0 | 1 | $437,390 | $-437,390 |
| Jones Teresa A. | Executive Vice President | 0 | $0 | 1 | $838,318 | $-838,318 |
| DENMAN KENNETH D | director | 0 | $0 | 1 | $847,345 | $-847,345 |
| Miller Russell D | Sr. Executive Vice President | 0 | $0 | 1 | $1.37M | $-1.37M |
| Klauer James C | Executive Vice President | 0 | $0 | 1 | $1.41M | $-1.41M |
| Frates Caton | Executive Vice President | 0 | $0 | 2 | $1.43M | $-1.43M |
| POLIT JAVIER | Executive Vice President | 0 | $0 | 2 | $2.26M | $-2.26M |
| Adamo Claudine | Executive Vice President | 0 | $0 | 2 | $2.75M | $-2.75M |
| Wilcox William Richard | Executive Vice President | 0 | $0 | 2 | $3.29M | $-3.29M |
Costco Wholesale Corporation, alongside its group entities, operates membership-based retail warehouses across a broad international scope, spanning the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, South Korea, Australia, Spain, France, Iceland, China, and Taiwan. These outlets provide customers with an extensive array of both well-known branded and proprietary private-label products. Their vast inventory includes household staples, shelf-stable groceries, confectionery, chilled and frozen items, alcoholic beverages, …
Over the last 12 months, insiders at Costco Wholesale Corporation have bought $0 and sold $14.63M worth of Costco Wholesale Corporation stock.
On average, over the past 5 years, insiders at Costco Wholesale Corporation have bought $899,744 and sold $23.04M 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.
| 2026-10-13 | Sale | Wilcox William Richard | Executive Vice President | 1,100 0.0002% | $958.21 | $1.05M | +4.34% | |
| 2026-09-29 | Sale | Frates Caton | Sr. Executive Vice President | 800.64 0.0002% | $915.93 | $733,328 | +6.29% | |
| 2026-09-29 | Sale | Adamo Claudine | Executive Vice President | 2,200 0.0005% | $915.93 | $2.02M | +6.29% | |
| 2026-06-23 | Sale | DENMAN KENNETH D | director | 885 0.0002% | $957.45 | $847,345 | -1.15% | |
| 2026-04-01 | Sale | Frates Caton | Executive Vice President | 700 0.0002% | $993.00 | $695,100 | -3.68% | |
| 2026-03-09 | Sale | Adamo Claudine | Executive Vice President | 730 0.0002% | $1,003.02 | $732,205 | -3.87% | |
| 2026-01-21 | Sale | Jones Teresa A. | Executive Vice President | 850 0.0002% | $986.26 | $838,318 | -0.68% | |
| 2026-01-16 | Sale | DECKER SUSAN L | director | 458 0.0001% | $955.00 | $437,390 | +1.30% | |
| 2026-01-14 | Sale | Klauer James C | Executive Vice President | 1,500 0.0003% | $939.00 | $1.41M | +2.64% | |
| 2026-01-09 | Sale | Miller Russell D | Sr. Executive Vice President | 1,500 0.0003% | $916.32 | $1.37M | +5.49% | |
| 2025-12-30 | Sale | POLIT JAVIER | Executive Vice President | 558.3 0.0001% | $862.89 | $481,759 | +12.53% | |
| 2025-12-29 | Sale | POLIT JAVIER | Executive Vice President | 2,049 0.0005% | $867.21 | $1.78M | +12.19% | |
| 2025-11-07 | Sale | Wilcox William Richard | Executive Vice President | 2,400 0.0006% | $930.13 | $2.23M | +4.17% | |
| 2025-09-29 | Sale | Miller Russell D | Sr. Executive Vice President | 3,381 0.0008% | $915.00 | $3.09M | +4.17% | |
| 2025-09-29 | Sale | Frates Caton | Executive Vice President | 1,540 0.0003% | $910.02 | $1.4M | +4.17% | |
| 2025-08-20 | Sale | Jones Teresa A. | Executive Vice President | 600 0.0001% | $992.05 | $595,230 | -3.76% | |
| 2025-07-14 | Sale | Rubanenko Yoram | Executive Vice President | 4,000 0.0009% | $974.96 | $3.9M | -2.19% | |
| 2025-06-18 | Sale | DECKER SUSAN L | director | 547 0.0001% | $980.00 | $536,058 | -0.53% | |
| 2025-06-09 | Sale | Callans Patrick J | Executive Vice President | 3,000 0.0007% | $1,002.77 | $3.01M | -3.61% | |
| 2025-06-06 | Sale | Riel Pierre | Executive Vice President | 2,000 0.0005% | $1,014.15 | $2.03M | -4.45% |
| DECKER SUSAN L | director | 8532 0.0019% | $8.7M | 1 | 31 | +2.87% |
| STANTON JOHN W | director | 13456 0.003% | $13.72M | 1 | 0 | <0.0001% |
| MEISENBACH JOHN W | director | 12833 0.0029% | $13.08M | 1 | 63 | +20.03% |
| Wilderotter Mary Agnes | 11295 0.0025% | $11.51M | 2 | 0 | <0.0001% | |
| RAIKES JEFFREY S | director | 8250 0.0019% | $8.41M | 1 | 0 | |
| EVANS DANIEL J | director | 1979 0.0004% | $2.02M | 3 | 1 | +12.18% |
$118,557,412 | 56 | 12.17% | $25.16B | |
$47,830,930 | 48 | 3.97% | $993.65B | |
$15,186,308 | 47 | 9.02% | $28.79B | |
$23,048,766 | 22 | 12.40% | $70.14B | |
Costco Wholesale Corporation (COST) | $6,086,542 | 8 | 7.20% | $451.66B |
| 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 |