The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Barbre Tiffany Marie since 2025.
This trader's CIK number is 2076006.
At the time of last reporting, Barbre Tiffany Marie was the Other of Costco Wholesale Corp /new. (stock ticker symbol COST).
Also see all insider trading activities at Costco Wholesale Corp /new.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | COST | 0 | $0 | 1,239 | $1,157,994 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-10-24 | COST | Sale | 1,239 | 934.62 | 1,157,994 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Barbre Tiffany Marie (Other of Costco Wholesale Corp /new at the time of this reporting) see the Securities and Exchange Commission (SEC) website.