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Costco Wholesale Insider Trading Activity | NASDAQ:COST | Benzinga
Track the latest Costco Wholesale insider trading activity. Stay informed on recent buys, sells, and market impact for Costco Wholesale stock.
What is Insider Activity?
Insider trading activity involves company insiders, such as executives, directors, and employees, engaging in transactions of their own company's stock. Insiders' buy and sell transactions provide valuable insights into their confidence in the company's future performance.
What are Costco Wholesale Corp Insiders Doing?
At Costco Wholesale Corp, recent insider activity has drawn attention. Over the last 30 days, insiders have reported selling a total of 2.85K shares worth $2.63M, meanwhile, insiders have report no purchases in the last 30 days.
Notable Recent Insider Buys and Sales
- On March 20, 2025, Caton Frates, the company's EXECUTIVE VICE PRESIDENT sold 850 shares for $900.25 each.
- On March 25, 2025, Claudine Adamo, the company's EXECUTIVE VICE PRESIDENT sold 900 shares for $922.56 each.
- On March 27, 2025, GARY MILLERCHIP, the company's EXECUTIVE VICE PRESIDENT sold 1.1K shares for $940.01 each.
Ownership Statistics for Costco Wholesale Corp
Shares Outstanding
443.683M
Insider Shares Owned
2.307M
Insider Percentage Owned
0.52%
Institutional Shares Held
187.533M
Institutional Percentage Held
42.3%
| Mar 27, 2025 | GARY MILLERCHIP | EXECUTIVE VICE PRESIDENT | -1.10K | $940.01 | -$1.03M | SELL | -8.97% | 11.16K | Mar 27 | View |
| Mar 25, 2025 | Claudine Adamo | EXECUTIVE VICE PRESIDENT | -900.00 | $922.56 | -$830.30K | SELL | -11.41% | 6.99K | Mar 24 | View |
| Mar 20, 2025 | Caton Frates | EXECUTIVE VICE PRESIDENT | -850.00 | $900.25 | -$765.21K | SELL | -9.74% | 7.88K | Mar 18 | View |
| Mar 13, 2025 | Michael Roland Vachris | PRESIDENT AND CEO | -3.60K | $931.00 | -$3.35M | SELL | -8.06% | 41.08K | Mar 11 | View |
| Oct 24, 2024 | RICHARD GALANTI | EXECUTIVE VICE PRESIDENT | -1.42K | $894.68 | -$1.27M | SELL | -3.95% | 34.40K | Oct 24 | View |
| Oct 24, 2024 | Teresa Jones | EXECUTIVE VICE PRESIDENT | -1.97K | $894.73 | -$1.77M | SELL | -40.00% | 2.96K | Oct 22 - Oct 23 | View |
| Oct 15, 2024 | Pierre Riel | EXECUTIVE VICE PRESIDENT | -2.00K | $896.71 | -$1.79M | SELL | -16.38% | 10.21K | Oct 15 | View |
| Oct 15, 2024 | Russell Miller | SR. EXECUTIVE VICE PRESIDENT | -4.40K | $891.15 | -$3.92M | SELL | -30.13% | 10.20K | Oct 11 | View |
| Oct 02, 2024 | Claudine Adamo | EXECUTIVE VICE PRESIDENT | -3.20K | $888.99 | -$2.84M | SELL | -27.05% | 8.63K | Sep 30 | View |
| Oct 02, 2024 | Patrick Callans | EXECUTIVE VICE PRESIDENT | -3.25K | $893.94 | -$2.23M | SELL | -4.72% | 65.66K | Sep 30 | View |
| Oct 02, 2024 | Caton Frates | EXECUTIVE VICE PRESIDENT | -1.70K | $883.35 | -$1.50M | SELL | -14.94% | 9.68K | Sep 30 | View |
| Aug 29, 2024 | Teresa Jones | EXECUTIVE VICE PRESIDENT | -4.00 | $832.55 | -$3.33K | SELL | -0.08% | 4.94K | Jul 25 | View |
| Aug 15, 2024 | RICHARD GALANTI | EXECUTIVE VICE PRESIDENT | -1.40K | $868.96 | -$868.96K | SELL | -4.47% | 29.90K | Aug 13 - Aug 15 | View |
| Aug 15, 2024 | SUSAN DECKER | DIRECTOR | -620.00 | $876.50 | -$543.43K | SELL | -5.00% | 11.77K | Aug 15 | View |
| Jul 15, 2024 | KENNETH DENMAN | DIRECTOR | -350.00 | $851.53 | -$298.04K | SELL | -5.58% | 5.92K | Jul 15 | View |
| Jul 15, 2024 | Daniel Hines | — | -3.00K | $846.37 | -$2.54M | SELL | -20.28% | 11.79K | Jul 12 - Jul 15 | View |
| Apr 18, 2024 | Russell Miller | SENIOR EVP | -785.00 | $722.86 | -$567.44K | SELL | -7.28% | 10.00K | Apr 17 | View |
| Mar 13, 2024 | Claudine Adamo | EXECUTIVE VICE PRESIDENT | -1.50K | $714.83 | -$1.07M | SELL | -18.30% | 6.69K | Mar 11 | View |
| Mar 13, 2024 | Patrick Callans | EXECUTIVE VP | -2.50K | $714.86 | -$1.79M | SELL | -3.82% | 62.89K | Mar 11 | View |
| Feb 12, 2024 | SUSAN DECKER | DIRECTOR | -1.44K | $723.48 | -$1.04M | SELL | -10.42% | 12.39K | Feb 09 | View |
| Jan 23, 2024 | CRAIG JELINEK | DIRECTOR | -8.00K | $685.93 | -$5.49M | SELL | -3.28% | 236.21K | Jan 23 | View |
| Jan 18, 2024 | Yoram Rubanenko | EXECUTIVE VP | -2.50K | $680.33 | -$1.70M | SELL | -29.73% | 5.91K | Jan 18 | View |
| Jan 16, 2024 | Caton Frates | EXECUTIVE VICE PRESIDENT | -740.00 | $683.50 | -$505.79K | SELL | -9.92% | 6.72K | Jan 16 | View |
| Jan 10, 2024 | Daniel Hines | — | -1.40K | $662.30 | -$927.22K | SELL | -8.68% | 14.72K | Jan 09 | View |
| Jan 02, 2024 | Daniel Hines | — | -1.40K | $662.81 | -$927.93K | SELL | -7.99% | 16.12K | Dec 28 | View |
| Dec 20, 2023 | RICHARD GALANTI | EXECUTIVE VP AND CFO | -1.11K | $680.21 | -$756.25K | SELL | -3.43% | 31.30K | Dec 19 | View |
| Nov 13, 2023 | RICHARD GALANTI | EXECUTIVE VP AND CFO | -2.00K | $566.09 | -$1.13M | SELL | -5.81% | 32.41K | Nov 08 | View |
| Nov 08, 2023 | Pierre Riel | EVP | -3.00K | $571.12 | -$1.71M | SELL | -28.78% | 7.42K | Nov 07 | View |
| Nov 06, 2023 | Russell Miller | SENIOR EVP | -4.50K | $557.75 | -$2.51M | SELL | -29.44% | 10.79K | Nov 03 | View |
| Oct 24, 2023 | Claudine Adamo | EXECUTIVE VICE PRESIDENT | -3.31K | $549.82 | -$1.82M | SELL | -28.92% | 8.13K | Oct 22 - Oct 23 | View |
| Oct 12, 2023 | James Klauer | EXECUTIVE VICE PRESIDENT | -1.50K | $562.01 | -$843.02K | SELL | -3.22% | 45.13K | Oct 11 | View |
| Oct 12, 2023 | RICHARD GALANTI | EXECUTIVE VP AND CFO | -2.32K | $565.57 | -$1.13M | SELL | -6.20% | 35.14K | Oct 10 | View |
| Oct 11, 2023 | Patrick Callans | EXECUTIVE VP | -2.79K | $553.76 | -$1.38M | SELL | -3.96% | 67.73K | Dec 13 - Oct 09 | View |
| Oct 11, 2023 | Caton Frates | EXECUTIVE VICE PRESIDENT | -1.20K | $562.64 | -$675.17K | SELL | -12.55% | 8.36K | Oct 06 | View |
| Jun 29, 2023 | SUSAN DECKER | DIRECTOR | -1.56K | $533.00 | -$834.14K | SELL | -10.51% | 13.33K | Jun 28 | View |
| Jun 15, 2023 | RICHARD GALANTI | EXECUTIVE VP AND CFO | -1.50K | $522.02 | -$783.04K | SELL | -4.64% | 30.85K | Jun 13 | View |
| Jun 09, 2023 | SUSAN DECKER | DIRECTOR | -4.03K | $514.14 | -$2.04M | SELL | -21.28% | 14.89K | Dec 20 - Jun 07 | View |
| Apr 13, 2023 | Caton Frates | EXECUTIVE VICE PRESIDENT | -600.00 | $497.35 | -$298.41K | SELL | -12.20% | 4.32K | Apr 11 | View |
| Mar 15, 2023 | RICHARD GALANTI | EXECUTIVE VP AND CFO | -2.47K | $483.32 | -$999.51K | SELL | -7.09% | 32.35K | Oct 28 - Mar 14 | View |
| Mar 08, 2023 | Russell Miller | SENIOR EVP | -1.50K | $488.95 | -$733.43K | SELL | -12.94% | 10.09K | Mar 07 | View |
| Mar 07, 2023 | Michael Roland Vachris | PRESIDENT AND COO | -4.10K | $476.29 | -$1.95M | SELL | -18.46% | 18.11K | Mar 06 | View |
| Jan 31, 2023 | James Klauer | EXECUTIVE VICE PRESIDENT | -2.50K | $503.69 | -$1.26M | SELL | -5.76% | 40.88K | Jan 27 | View |
| Dec 13, 2022 | SUSAN DECKER | DIRECTOR | -952.00 | $483.00 | -$459.82K | SELL | -4.79% | 18.92K | Dec 12 | View |
| Nov 04, 2022 | Russell Miller | EXECUTIVE VICE PRESIDENT | -1.00K | $483.58 | -$483.58K | SELL | -7.94% | 11.59K | Sep 30 - Nov 04 | View |
| Oct 27, 2022 | Claudine Adamo | EXECUTIVE VICE PRESIDENT | -2.00K | $495.97 | -$991.95K | SELL | -26.02% | 5.68K | Oct 26 | View |
| Oct 26, 2022 | RICHARD GALANTI | EXECUTIVE VP AND CFO | -1.50K | $477.65 | -$716.47K | SELL | -4.13% | 34.82K | Oct 25 | View |
| Oct 07, 2022 | RICHARD GALANTI | EXECUTIVE VP AND CFO | -2.00K | $471.12 | -$942.25K | SELL | -5.22% | 36.32K | Oct 07 | View |
| Jul 21, 2022 | James Murphy | EXECUTIVE VP | -1.50K | $525.20 | -$787.80K | SELL | -3.98% | 36.23K | Jul 20 | View |
| Jul 15, 2022 | KENNETH DENMAN | DIRECTOR | -300.00 | $521.68 | -$156.50K | SELL | -5.46% | 5.20K | Jul 15 | View |
| Jul 15, 2022 | RICHARD GALANTI | EXECUTIVE VP AND CFO | -1.25K | $505.60 | -$505.60K | SELL | -3.68% | 32.75K | Dec 16 - Jul 14 | View |
| Jun 23, 2022 | James Murphy | EXECUTIVE VP | -2.60K | $464.00 | -$1.16M | SELL | -6.44% | 37.73K | Dec 15 - Jun 22 | View |
| Jun 08, 2022 | Agnes Mary Wilderotter | DIRECTOR | 850.00 | $470.74 | $400.12K | BUY | 8.14% | 11.29K | Jun 07 | View |
| Apr 08, 2022 | Claudine Adamo | EXECUTIVE VICE PRESIDENT | -500.00 | $602.03 | -$301.01K | SELL | -4.79% | 9.94K | Apr 08 | View |
| Apr 08, 2022 | Daniel Hines | — | -4.50K | $603.00 | -$2.71M | SELL | -25.55% | 13.11K | Apr 08 | View |
| Mar 29, 2022 | Timothy Rose | EXECUTIVE VP | -4.00K | $566.29 | -$2.27M | SELL | -12.34% | 28.41K | Mar 29 | View |
| Mar 24, 2022 | KENNETH DENMAN | DIRECTOR | -250.00 | $554.67 | -$138.67K | SELL | -4.35% | 5.50K | Mar 23 | View |
| Jan 28, 2022 | Michael Roland Vachris | EXECUTIVE VP | -3.32K | $492.45 | -$1.63M | SELL | -18.49% | 14.63K | Jan 27 | View |
| Dec 22, 2021 | Agnes Mary Wilderotter | DIRECTOR | 925.00 | $540.13 | $499.62K | BUY | 9.72% | 10.45K | Dec 21 | View |
| Dec 15, 2021 | RICHARD GALANTI | EXECUTIVE VP AND CFO | -2.22K | $554.09 | -$1.23M | SELL | -6.12% | 34.00K | Dec 15 | View |
| Dec 14, 2021 | Russell Miller | EXECUTIVE VICE PRESIDENT | -4.00K | $556.02 | -$2.22M | SELL | -33.24% | 8.04K | Sep 21 - Dec 13 | View |
| Dec 14, 2021 | James Murphy | EXECUTIVE VP | -5.00K | $559.32 | -$2.80M | SELL | -11.03% | 40.33K | Dec 13 | View |
| Dec 14, 2021 | Yoram Rubananko | EXECUTIVE VP | -4.00K | $550.72 | -$2.20M | SELL | -37.76% | 6.59K | Dec 13 | View |
| Dec 14, 2021 | Patrick Callans | EXECUTIVE VP | -2.50K | $549.03 | -$1.37M | SELL | -4.00% | 60.03K | Dec 13 | View |
| Aug 13, 2021 | JOSEPH PORTERA | EXECUTIVE VP | -4.04K | $445.50 | -$1.46M | SELL | -33.54% | 8.00K | Oct 09 - Aug 13 | View |
| Jul 12, 2021 | Michael Roland Vachris | EXECUTIVE VP | -4.00K | $409.40 | -$1.64M | SELL | -25.64% | 11.60K | Jul 12 | View |
| Jun 29, 2021 | Timothy Rose | EXECUTIVE VP | -4.00K | $396.14 | -$1.58M | SELL | -13.06% | 26.63K | Jun 28 | View |
| Jun 14, 2021 | James Klauer | EXECUTIVE VICE PRESIDENT | -5.00K | $380.53 | -$1.90M | SELL | -8.83% | 51.63K | Jun 14 | View |
| Jun 08, 2021 | Patrick Callans | EXECUTIVE VP | -2.62K | $384.31 | -$960.77K | SELL | -4.38% | 57.22K | Dec 14 - Jun 07 | View |
| Apr 30, 2021 | RICHARD GALANTI | EXECUTIVE VP AND CFO | -2.23K | $372.06 | -$829.68K | SELL | -6.95% | 29.87K | Apr 29 | View |
| Mar 23, 2021 | Michael Roland Vachris | EXECUTIVE VP | -4.30K | $334.30 | -$1.44M | SELL | -21.61% | 15.60K | Mar 22 | View |
| Jan 29, 2021 | SUSAN DECKER | DIRECTOR | -694.00 | $363.35 | -$252.16K | SELL | -3.57% | 18.75K | Jan 27 | View |
| Jan 13, 2021 | SUSAN DECKER | DIRECTOR | -1.20K | $366.48 | -$439.41K | SELL | -5.81% | 19.44K | Jan 13 | View |
| Jan 08, 2021 | PAUL MOULTON | EXECUTIVE VP | -9.02K | $366.50 | -$3.30M | SELL | -27.65% | 23.59K | Jan 08 | View |
| Dec 30, 2020 | RICHARD GALANTI | — | -1.50K | $374.49 | -$374.49K | GIFT | -4.46% | 32.10K | Dec 29 - Dec 30 | View |
| Dec 30, 2020 | SUSAN DECKER | — | -861.00 | $375.75 | -$323.52K | SELL | -4.00% | 20.64K | Dec 30 | View |
| Dec 22, 2020 | SUSAN DECKER | — | -1.00K | $362.59 | -$362.59K | SELL | -4.44% | 21.50K | Dec 21 | View |
| Dec 14, 2020 | Patrick Callans | — | -2.50K | $374.64 | -$936.61K | SELL | -4.01% | 59.84K | Dec 14 | View |
| Dec 14, 2020 | Russell Miller | — | -5.00K | $377.24 | -$1.89M | ACQUISITION OR DISPOSITION | -41.08% | 7.17K | Sep 18 - Dec 14 | View |
| Sep 30, 2020 | KENNETH DENMAN | — | -300.00 | $355.69 | -$106.71K | SELL | -6.34% | 4.43K | Sep 30 | View |
| Sep 29, 2020 | JOSEPH PORTERA | — | -6.00K | $348.00 | -$2.09M | ACQUISITION OR DISPOSITION | -50.74% | 5.83K | Sep 16 - Sep 29 | View |
| Sep 29, 2020 | SUSAN DECKER | — | -2.50K | $347.90 | -$869.75K | SELL | -10.31% | 21.75K | Sep 28 | View |
| Aug 21, 2020 | RICHARD GALANTI | — | -1.75K | $345.00 | -$605.13K | SELL | -6.32% | 25.98K | Aug 21 | View |
| Aug 17, 2020 | SUSAN DECKER | — | -2.50K | $336.92 | -$842.29K | SELL | -9.35% | 24.25K | Aug 13 - Aug 14 | View |
| Aug 07, 2020 | James Klauer | — | -4.00K | $342.72 | -$1.37M | SELL | -7.49% | 49.40K | Aug 07 | View |
| Jul 14, 2020 | James Murphy | — | -5.00K | $326.00 | -$1.63M | SELL | -13.24% | 32.77K | Jul 14 | View |
| Jul 14, 2020 | SUSAN DECKER | — | -2.00K | $326.60 | -$653.20K | SELL | -6.96% | 26.75K | Jul 13 | View |
| Jul 10, 2020 | RICHARD GALANTI | — | -3.98K | $325.07 | -$887.44K | GIFT | -12.55% | 27.74K | Nov 14 - Jul 10 | View |
| Jul 02, 2020 | SUSAN DECKER | — | -685.00 | $308.50 | -$211.32K | SELL | -2.33% | 28.75K | Jul 02 | View |
| Jul 01, 2020 | SUSAN DECKER | — | -1.16K | $302.57 | -$349.47K | SELL | -3.78% | 29.43K | Jul 01 | View |
| Jun 19, 2020 | Michael Roland Vachris | — | -4.00K | $300.95 | -$1.20M | SELL | -24.56% | 12.28K | Jun 19 | View |
| Jun 12, 2020 | Timothy Rose | — | -6.00K | $308.05 | -$1.85M | SELL | -20.22% | 23.68K | Jun 11 | View |
| Jun 05, 2020 | SUSAN DECKER | — | -2.00K | $312.00 | -$622.44K | SELL | -6.12% | 30.59K | Jun 05 | View |
| Jun 05, 2020 | Daniel Hines | — | -5.00K | $309.31 | -$1.55M | SELL | -24.23% | 15.63K | Jun 05 | View |
| Jun 05, 2020 | Patrick Callans | — | -2.50K | $309.22 | -$773.05K | SELL | -4.34% | 55.11K | Jun 05 | View |
| Apr 23, 2020 | James Murphy | — | -5.34K | $310.00 | -$1.55M | GIFT | -12.39% | 37.77K | Oct 29 - Apr 22 | View |
| Apr 21, 2020 | SUSAN DECKER | — | -1.00K | $314.83 | -$314.83K | SELL | -2.98% | 32.58K | Apr 20 | View |
FAQ
Is insider trading legal?
Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.
What are some examples of market manipulation?
Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.
Browse insider trades on all stocks.