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 |
2023-10-11 Sale |
2023-10-12 4:28 pm |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
1,500 | $562.01 | $843,017 | 45,134 (Direct) |
View |
2023-01-27 Sale |
2023-01-31 6:04 pm |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
2,500 | $503.69 | $1,259,225 | 40,884 (Direct) |
View |
2021-06-14 Sale |
2021-06-14 6:15 pm |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
5,000 | $380.53 | $1,902,650 | 51,627 (Direct) |
View |
2020-08-07 Sale |
2020-08-07 4:06 pm |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
4,000 | $342.72 | $1,370,880 | 49,402 (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 |
2024-10-22 Tax Withholding |
2024-10-24 8:20 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
1,097 | $893.49 | 47,994 (Direct) |
View |
2024-09-16 Tax Withholding |
2024-09-18 6:01 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
1,610 | $907.87 | 49,091 (Direct) |
View |
2024-09-16 Option Award |
2024-09-18 6:01 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
6,737 | $0 | 49,091 (Direct) |
View |
2024-01-12 Option Award(A) |
2024-02-22 5:11 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
96 | $0 | 43,964 (Direct) |
View |
2024-01-12 Option Award |
2024-01-12 5:24 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
60 | $0 | 43,928 (Direct) |
View |
2023-10-22 Tax Withholding |
2023-10-24 6:05 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
1,265 | $552.93 | 43,868 (Direct) |
View |
2023-09-15 Option Award |
2023-09-19 6:30 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
7,429 | $0 | 46,634 (Direct) |
View |
2023-09-15 Tax Withholding |
2023-09-19 6:30 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
1,679 | $556.36 | 46,634 (Direct) |
View |
2022-10-22 Tax Withholding |
2022-10-25 5:00 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
1,328 | $478.18 | 43,384 (Direct) |
View |
2022-09-12 Option Award(A) |
2022-10-11 5:10 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
7,154 | $0 | 44,712 (Direct) |
View |
2022-09-12 Option Award |
2022-09-14 7:25 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
4,771 | $0 | 42,329 (Direct) |
View |
2022-09-12 Tax Withholding |
2022-09-14 7:25 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
1,600 | $539.52 | 42,329 (Direct) |
View |
2021-10-22 Tax Withholding |
2021-10-26 4:12 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
5,612 | $481.99 | 39,158 (Direct) |
View |
2021-09-28 Gift |
2021-10-26 4:12 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
15,000 | $0 | 39,158 (Direct) |
View |
2021-09-14 Tax Withholding |
2021-09-16 09:58 am |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
855 | $458.41 | 59,770 (Direct) |
View |
2021-09-14 Option Award |
2021-09-16 09:58 am |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
8,998 | $0 | 59,770 (Direct) |
View |
2020-12-11 Option Award |
2020-12-11 1:16 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
288 | $0 | 56,627 (Direct) |
View |
2020-10-22 Tax Withholding |
2020-10-23 1:36 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
2,821 | $375.75 | 56,339 (Direct) |
View |
2020-09-14 Option Award |
2020-09-15 6:50 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
10,730 | $0 | 59,160 (Direct) |
View |
2020-09-14 Tax Withholding |
2020-09-15 6:50 pm |
N/A N/A |
COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President |
972 | $342.92 | 59,160 (Direct) |
View |