Costco Wholesale Corporation
| Security | COST / Costco Wholesale Corporation |
| Insider | James C Klauer |
This page shows the track record and history of Klauer James C
insider trades in Costco Wholesale Corporation. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company.
It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean
it is illegal for them to make any
trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis
In this section, we analyze the profitability of every unplanned, open-market insider purchase made by James C Klauer in COST / Costco Wholesale Corporation. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Max |
Price at Max |
Max Profit ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by James C Klauer in COST / Costco Wholesale Corporation. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-12 | 2025-09-10 | 4 | Klauer James C | COST | Common Stock | D | 956.2900 | -958 | -916 | 47,254 | ||||
| 2025-09-12 | 2025-09-10 | 4 | Klauer James C | COST | Common Stock | D | 4,219 | 48,213 | ||||||
| 2025-04-21 | 2025-04-17 | 4 | Klauer James C | COST | Common Stock | D | 981.0700 | -4,000 | -3,924 | 43,994 | ||||
| 2025-04-21 | 2023-07-20 | 4 | Klauer James C By Spouse | COST | Common Stock | I | 98 | 98 | ||||||
| 2024-10-24 | 2024-10-22 | 4 | Klauer James C | COST | Common Stock | D | 893.4900 | -177 | -158 | 47,994 | ||||
| 2024-10-24 | 2024-10-22 | 4 | Klauer James C | COST | Common Stock | D | 893.4900 | -198 | -177 | 48,170 | ||||
| 2024-10-24 | 2024-10-22 | 4 | Klauer James C | COST | Common Stock | D | 893.4900 | -191 | -171 | 48,369 | ||||
| 2024-10-24 | 2024-10-22 | 4 | Klauer James C | COST | Common Stock | D | 893.4900 | -240 | -214 | 48,560 | ||||
| 2024-10-24 | 2024-10-22 | 4 | Klauer James C | COST | Common Stock | D | 893.4900 | -291 | -260 | 48,800 | ||||
| 2024-09-18 | 2024-09-16 | 4 | Klauer James C | COST | Common Stock | D | 907.8700 | -1,610 | -1,462 | 49,091 | ||||
| 2024-09-18 | 2024-09-16 | 4 | Klauer James C | COST | Common Stock | D | 6,737 | 50,701 | ||||||
| 2024-02-22 | 2024-01-12 | 4/A | Klauer James C | COST | Common Stock | D | 96 | 43,964 | ||||||
| 2024-01-12 | 2024-01-12 | 4 | Klauer James C | COST | Common Stock | D | 60 | 43,928 | ||||||
| 2023-10-24 | 2023-10-22 | 4 | Klauer James C | COST | Common Stock | D | 552.9300 | -188 | -104 | 43,868 | ||||
| 2023-10-24 | 2023-10-22 | 4 | Klauer James C | COST | Common Stock | D | 552.9300 | -236 | -130 | 44,056 | ||||
| 2023-10-24 | 2023-10-22 | 4 | Klauer James C | COST | Common Stock | D | 552.9300 | -286 | -158 | 44,292 | ||||
| 2023-10-24 | 2023-10-22 | 4 | Klauer James C | COST | Common Stock | D | 552.9300 | -360 | -199 | 44,578 | ||||
| 2023-10-24 | 2023-10-22 | 4 | Klauer James C | COST | Common Stock | D | 552.9300 | -195 | -108 | 44,938 | ||||
| 2023-10-12 | 2023-10-11 | 4 | Klauer James C | COST | Common Stock | D | 562.0114 | -1,500 | -843 | 45,134 | ||||
| 2023-09-19 | 2023-09-15 | 4 | Klauer James C | COST | Common Stock | D | 556.3600 | -1,679 | -934 | 46,634 | ||||
| 2023-09-19 | 2023-09-15 | 4 | Klauer James C | COST | Common Stock | D | 7,429 | 48,313 | ||||||
| 2023-01-31 | 2023-01-27 | 4 | Klauer James C | COST | Common Stock | D | 503.6900 | -2,500 | -1,259 | 40,884 | ||||
| 2022-10-25 | 2022-10-22 | 4 | Klauer James C | COST | Common Stock | D | 478.1800 | -188 | -90 | 43,384 | ||||
| 2022-10-25 | 2022-10-22 | 4 | Klauer James C | COST | Common Stock | D | 478.1800 | -236 | -113 | 43,572 | ||||
| 2022-10-25 | 2022-10-22 | 4 | Klauer James C | COST | Common Stock | D | 478.1800 | -287 | -137 | 43,808 | ||||
| 2022-10-25 | 2022-10-22 | 4 | Klauer James C | COST | Common Stock | D | 478.1800 | -362 | -173 | 44,095 | ||||
| 2022-10-25 | 2022-10-22 | 4 | Klauer James C | COST | Common Stock | D | 478.1800 | -255 | -122 | 44,457 | ||||
| 2022-10-11 | 2022-09-12 | 4/A | Klauer James C | COST | Common Stock | D | 7,154 | 44,712 | ||||||
| 2022-09-14 | 2022-09-12 | 4 | Klauer James C | COST | Common Stock | D | 539.5200 | -1,600 | -863 | 42,329 | ||||
| 2022-09-14 | 2022-09-12 | 4 | Klauer James C | COST | Common Stock | D | 4,771 | 43,929 | ||||||
| 2021-10-26 | 2021-10-22 | 4 | Klauer James C | COST | Common Stock | D | 481.9900 | -1,417 | -683 | 39,158 | ||||
| 2021-10-26 | 2021-10-22 | 4 | Klauer James C | COST | Common Stock | D | 481.9900 | -1,435 | -692 | 40,575 | ||||
| 2021-10-26 | 2021-10-22 | 4 | Klauer James C | COST | Common Stock | D | 481.9900 | -1,445 | -696 | 42,010 | ||||
| 2021-10-26 | 2021-10-22 | 4 | Klauer James C | COST | Common Stock | D | 481.9900 | -764 | -368 | 43,455 | ||||
| 2021-10-26 | 2021-10-22 | 4 | Klauer James C | COST | Common Stock | D | 481.9900 | -551 | -266 | 44,219 | ||||
| 2021-10-26 | 2021-09-28 | 4 | Klauer James C | COST | Common Stock | D | -15,000 | 44,770 | ||||||
| 2021-09-16 | 2021-09-14 | 4 | Klauer James C | COST | Common Stock | D | 458.4100 | -855 | -392 | 59,770 | ||||
| 2021-09-16 | 2021-09-14 | 4 | Klauer James C | COST | Common Stock | D | 8,998 | 60,625 | ||||||
| 2021-06-14 | 2021-06-14 | 4 | Klauer James C | COST | Common Stock | D | 380.5300 | -5,000 | -1,903 | 51,627 | ||||
| 2020-12-11 | 2020-12-11 | 4 | Klauer James C | COST | Common Stock | D | 288 | 56,627 | ||||||
| 2020-10-23 | 2020-10-22 | 4 | Klauer James C | COST | Common Stock | D | 375.7500 | -563 | -212 | 56,339 | ||||
| 2020-10-23 | 2020-10-22 | 4 | Klauer James C | COST | Common Stock | D | 375.7500 | -709 | -266 | 56,902 | ||||
| 2020-10-23 | 2020-10-22 | 4 | Klauer James C | COST | Common Stock | D | 375.7500 | -500 | -188 | 57,611 | ||||
| 2020-10-23 | 2020-10-22 | 4 | Klauer James C | COST | Common Stock | D | 375.7500 | -540 | -203 | 58,111 | ||||
| 2020-10-23 | 2020-10-22 | 4 | Klauer James C | COST | Common Stock | D | 375.7500 | -509 | -191 | 58,651 | ||||
| 2020-09-15 | 2020-09-14 | 4 | Klauer James C | COST | Common Stock | D | 342.9200 | -972 | -333 | 59,160 | ||||
| 2020-09-15 | 2020-09-14 | 4 | Klauer James C | COST | Common Stock | D | 10,730 | 60,132 | ||||||
| 2020-08-07 | 2020-08-07 | 4 | Klauer James C | COST | Common Stock | D | 342.7201 | -4,000 | -1,371 | 49,402 | ||||
| 2019-10-24 | 2019-10-22 | 4 | Klauer James C | COST | Common Stock | D | 299.9700 | -709 | -213 | 53,402 | ||||
| 2019-10-24 | 2019-10-22 | 4 | Klauer James C | COST | Common Stock | D | 299.9700 | -500 | -150 | 54,111 | ||||
| 2019-10-24 | 2019-10-22 | 4 | Klauer James C | COST | Common Stock | D | 299.9700 | -540 | -162 | 54,611 | ||||
| 2019-10-24 | 2019-10-22 | 4 | Klauer James C | COST | Common Stock | D | 299.9700 | -509 | -153 | 55,151 | ||||
| 2019-10-24 | 2019-10-22 | 4 | Klauer James C | COST | Common Stock | D | 299.9700 | -599 | -180 | 55,660 | ||||
| 2019-09-20 | 2019-09-18 | 4 | Klauer James C | COST | Common Stock | D | 292.4300 | -1,261 | -369 | 56,259 | ||||
| 2019-09-20 | 2019-09-18 | 4 | Klauer James C | COST | Common Stock | D | 13,510 | 57,520 | ||||||
| 2019-06-10 | 2019-06-07 | 4 | Klauer James C | COST | Common Stock | D | 255.4906 | -4,300 | -1,099 | 44,010 | ||||
| 2019-06-10 | 2019-06-07 | 4 | Klauer James C | COST | Common Stock | D | 255.7989 | -700 | -179 | 48,310 | ||||
| 2018-11-14 | 3/A | Klauer James C | COST | Common Stock | D | 30,833 | ||||||||
| 2018-10-24 | 2018-10-22 | 4 | Klauer James C | COST | Common Stock | D | 229.0600 | -500 | -115 | 28,715 | ||||
| 2018-10-24 | 2018-10-22 | 4 | Klauer James C | COST | Common Stock | D | 229.0600 | -536 | -123 | 29,215 | ||||
| 2018-10-24 | 2018-10-22 | 4 | Klauer James C | COST | Common Stock | D | 229.0600 | -315 | -72 | 29,751 | ||||
| 2018-10-24 | 2018-10-22 | 4 | Klauer James C | COST | Common Stock | D | 229.0600 | -371 | -85 | 30,066 | ||||
| 2018-10-24 | 2018-10-22 | 4 | Klauer James C | COST | Common Stock | D | 229.0600 | -371 | -85 | 30,066 | ||||
| 2018-03-08 | 3 | Klauer James C | COST | Common Stock | D | 61,616 | ||||||||
| 2018-03-08 | 3 | Klauer James C | COST | Common Stock | D | 61,616 |
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)
