Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-01-16 Sale | 2026-01-20 4:15 pm | COSTCO WHOLESALE CORP | COST | DECKER SUSAN L Director | 458 | $955 | $437,390 | 8,532 (Direct) | View |
| 2026-01-14 Sale | 2026-01-15 4:27 pm | COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President | 1,500 | $939 | $1,408,500 | 44,935 (Indirect Direct) | View |
| 2026-01-09 Sale | 2026-01-12 4:36 pm | COSTCO WHOLESALE CORP | COST | Miller Russell D Sr. Executive Vice President | 1,500 | $916.32 | $1,374,480 | 8,241 (Indirect Direct) | View |
| 2025-12-29 Sale | 2025-12-31 4:59 pm | COSTCO WHOLESALE CORP | COST | POLIT JAVIER Executive Vice President | 2,607 | $866.28 | $2,258,662 | 10,190 (Direct) | View |
| 2025-11-07 Sale | 2025-11-12 5:45 pm | COSTCO WHOLESALE CORP | COST | Wilcox William Richard Executive Vice President | 2,400 | $930.13 | $2,232,312 | 2,000 (Direct) | View |
| 2025-10-24 Sale | 2025-10-24 7:50 pm | COSTCO WHOLESALE CORP | COST | Barbre Tiffany Marie Principal Accounting Officer | 1,239 | $934.62 | $1,158,353 | 5,158 (Indirect Direct) | View |
| 2025-10-24 Sale | 2025-10-24 7:12 pm | COSTCO WHOLESALE CORP | COST | Adamo Claudine Executive Vice President | 2,700 | $935.68 | $2,526,336 | 6,851 (Direct) | View |
| 2025-09-29 Sale | 2025-10-01 5:00 pm | COSTCO WHOLESALE CORP | COST | Miller Russell D Sr. Executive Vice President | 3,381 | $915 | $3,093,615 | 9,741 (Indirect Direct) | View |
| 2025-09-29 Sale | 2025-09-30 4:54 pm | COSTCO WHOLESALE CORP | COST | Frates Caton Executive Vice President | 1,540 | $910.02 | $1,401,431 | 9,284 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-01-16 Option Award | 2026-01-20 4:12 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Raimondo Gina Marie Director | 215 | $0 | 215 (Direct) | View |
Ownership | 2026-01-20 4:07 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Raimondo Gina Marie Director | 0 | $0 | 0 (Direct) | View |
| 2025-12-19 Gift | 2025-12-22 4:36 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | DENMAN KENNETH D Director | 325 | $0 | 5,664 (Direct) | View |
| 2025-12-15 Gift | 2025-12-17 4:30 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | DECKER SUSAN L Director | 2,827 | $0 | 8,990 (Direct) | View |
| 2025-11-10 Gift | 2025-11-12 5:47 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | RAIKES JEFFREY S Director | 4,120 | $0 | 16,408 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 7:50 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Barbre Tiffany Marie Principal Accounting Officer | 2,118 | $0 | 5,158 (Direct) | View |
| 2025-10-22 Tax Withholding | 2025-10-24 7:50 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Barbre Tiffany Marie Principal Accounting Officer | 542 | $944.68 | 5,158 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 7:32 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Vachris Roland Michael President and CEO | 13,834 | $0 | 52,258 (Direct) | View |
| 2025-10-22 Tax Withholding | 2025-10-24 7:32 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Vachris Roland Michael President and CEO | 2,653 | $944.68 | 52,258 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 7:30 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Sullivan John Christopher Executive VP | 4,654 | $0 | 47,671 (Direct) | View |
| 2025-10-22 Tax Withholding | 2025-10-24 7:30 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Sullivan John Christopher Executive VP | 2,514 | $944.68 | 47,671 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 7:27 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | POLIT JAVIER Executive Vice President | 4,219 | $0 | 12,797 (Direct) | View |
| 2025-10-22 Tax Withholding | 2025-10-24 7:27 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | POLIT JAVIER Executive Vice President | 1,168 | $944.68 | 12,797 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 7:23 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | MILLERCHIP GARY Executive Vice President | 6,268 | $0 | 16,619 (Direct) | View |
| 2025-10-22 Tax Withholding | 2025-10-24 7:23 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | MILLERCHIP GARY Executive Vice President | 813 | $944.68 | 16,619 (Direct) | View |
| 2025-10-22 Tax Withholding | 2025-10-24 7:20 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President | 917 | $944.68 | 46,435 (Direct) | View |
| 2025-10-22 Tax Withholding | 2025-10-24 7:17 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Frates Caton Executive Vice President | 2,769 | $944.68 | 6,515 (Direct) | View |
| 2025-10-22 Tax Withholding | 2025-10-24 7:14 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Callans Patrick J Executive Vice President | 917 | $944.68 | 60,895 (Direct) | View |
| 2025-10-22 Tax Withholding | 2025-10-24 7:12 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Adamo Claudine Executive Vice President | 705 | $944.68 | 6,851 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 6:32 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | STANTON JOHN W Director | 286 | $0 | 24,512 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 6:24 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Wilderotter Mary Agnes Director | 286 | $0 | 12,957 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 6:21 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | RAIKES JEFFREY S Director | 286 | $0 | 20,528 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 6:17 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | JEWELL SARAH MR SALLY Director | 286 | $0 | 3,613 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 6:16 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director | 286 | $0 | 56,689 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 6:14 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Foulkes Helena Director | 286 | $0 | 1,126 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 6:09 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | DENMAN KENNETH D Director | 286 | $0 | 5,989 (Direct) | View |
| 2025-10-22 Option Award | 2025-10-24 6:02 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | DECKER SUSAN L Director | 286 | $0 | 11,817 (Direct) | View |
Ownership | 2025-10-09 5:55 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Wilcox William Richard Executive Vice President | 0 | $0 | 4,401 (Indirect) | View |
| 2025-09-23 Gift | 2025-09-24 4:17 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Miller Russell D Sr. Executive Vice President | 2,918 | $0 | 13,122 (Direct) | View |
| 2025-09-10 Tax Withholding | 2025-09-12 5:56 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Rubanenko Yoram Executive Vice President | 1,746 | $956.29 | 8,247 (Direct) | View |
| 2025-09-10 Option Award | 2025-09-12 5:56 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Rubanenko Yoram Executive Vice President | 4,219 | $0 | 8,247 (Direct) | View |
| 2025-09-10 Tax Withholding | 2025-09-12 5:53 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Riel Pierre Executive Vice President | 1,608 | $956.29 | 11,256 (Direct) | View |
| 2025-09-10 Option Award | 2025-09-12 5:53 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Riel Pierre Executive Vice President | 4,654 | $0 | 11,256 (Direct) | View |
| 2025-09-10 Tax Withholding | 2025-09-12 5:51 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Miller Russell D Sr. Executive Vice President | 1,735 | $956.29 | 13,122 (Direct) | View |
| 2025-09-10 Option Award | 2025-09-12 5:51 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Miller Russell D Sr. Executive Vice President | 4,654 | $0 | 13,122 (Direct) | View |
| 2025-09-10 Tax Withholding | 2025-09-12 5:45 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President | 958 | $956.29 | 47,353 (Direct) | View |
| 2025-09-10 Option Award | 2025-09-12 5:45 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President | 4,219 | $0 | 47,353 (Direct) | View |
| 2025-09-10 Tax Withholding | 2025-09-12 5:43 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Jones Teresa A. Executive Vice President | 1,503 | $956.29 | 5,078 (Direct) | View |
| 2025-09-10 Option Award | 2025-09-12 5:43 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Jones Teresa A. Executive Vice President | 4,219 | $0 | 5,078 (Direct) | View |
| 2025-09-10 Tax Withholding | 2025-09-12 5:40 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Frates Caton Executive Vice President | 1,271 | $956.29 | 10,824 (Direct) | View |
| 2025-09-10 Option Award | 2025-09-12 5:40 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Frates Caton Executive Vice President | 4,219 | $0 | 10,824 (Direct) | View |
| 2025-09-10 Tax Withholding | 2025-09-12 5:36 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Callans Patrick J Executive Vice President | 950 | $956.29 | 61,812 (Direct) | View |
| 2025-09-10 Option Award | 2025-09-12 5:36 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Callans Patrick J Executive Vice President | 4,219 | $0 | 61,812 (Direct) | View |
| 2025-09-10 Tax Withholding | 2025-09-12 5:33 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Adamo Claudine Executive Vice President | 950 | $956.29 | 10,256 (Direct) | View |
| 2025-09-10 Option Award | 2025-09-12 5:33 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Adamo Claudine Executive Vice President | 4,219 | $0 | 10,256 (Direct) | View |
| 2025-09-02 Gift | 2025-09-04 4:24 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | STANTON JOHN W Director | 211 | $0 | 24,015 (Indirect) | View |