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 |
| 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 |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 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 |
Ownership | 2025-07-10 4:27 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Barbre Tiffany Marie Principal Accounting Officer | 0 | $0 | 4,819 (Direct) | View |