COSTCO WHOLESALE CORP /NEW (COST)

Latest Insider Confidence Score

2026Q1

49.7
Bearish

Company insider confidence (by quarter)

2015Q4 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Jelinek W Craig Director 196,095 Nov 7, 2022
Callans Patrick J President 60,894.56 Oct 24, 2025
McKay John D President 55,761 Oct 30, 2018
Vachris Roland Michael CEO 52,258.06 Oct 24, 2025
Schutt Douglas W Former Executive VP 51,126 Oct 25, 2016

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 27, 2026 Jan 28, 2026 RAIKES JEFFREY S Director Neutral 27.5 -5,115 -31.17% -
Jan 27, 2026 Jan 28, 2026 Jones Teresa A. President Neutral 27.5 -300 -7.10% -
Jan 21, 2026 Jan 23, 2026 Jones Teresa A. President Sell 20.0 -850 -16.74% $838.3K
Jan 16, 2026 Jan 20, 2026 DECKER SUSAN L Director Sell 20.0 -458 -5.09% $437.4K
Jan 16, 2026 Jan 20, 2026 Raimondo Gina Marie Director Neutral 90.0 +215 100.00% -
Jan 20, 2026 Raimondo Gina Marie Director Neutral 52.5 - 0.00% -
Jan 14, 2026 Jan 15, 2026 Klauer James C President Sell 17.5 -1,500 -3.23% $1.4M
Jan 9, 2026 Jan 12, 2026 Miller Russell D President Sell 17.5 -1,500 -15.40% $1.4M
Dec 29, 2025 Dec 31, 2025 POLIT JAVIER President Sell 17.5 -2,607 -20.37% $2.3M
Dec 19, 2025 Dec 22, 2025 DENMAN KENNETH D Director Neutral 27.5 -325 -5.43% -
Dec 15, 2025 Dec 17, 2025 DECKER SUSAN L Director Neutral 27.5 -2,827 -23.92% -
Nov 10, 2025 Nov 12, 2025 RAIKES JEFFREY S Director Neutral 27.5 -4,120 -20.07% -
Nov 7, 2025 Nov 12, 2025 Wilcox William Richard President Sell 17.5 -2,400 -54.55% $2.2M
Oct 22, 2025 Oct 24, 2025 Barbre Tiffany Marie Other Sell 95.0 +336 6.98% $1.7M
Oct 22, 2025 Oct 24, 2025 Vachris Roland Michael CEO Sell 100.0 +11,181 27.22% $2.5M
Oct 22, 2025 Oct 24, 2025 Sullivan John Christopher Executive VP Sell 92.5 +2,140 4.70% $2.4M
Oct 22, 2025 Oct 24, 2025 POLIT JAVIER President Sell 100.0 +3,050 31.30% $1.1M
Oct 22, 2025 Oct 24, 2025 MILLERCHIP GARY President Sell 97.5 +5,454 48.86% $768.4K
Oct 22, 2025 Oct 24, 2025 Klauer James C President Sell 40.0 -917 -1.94% $866.6K
Oct 22, 2025 Oct 24, 2025 Frates Caton President Sell 37.5 -2,768 -29.82% $2.6M
Oct 22, 2025 Oct 24, 2025 Callans Patrick J President Sell 45.0 -916 -0.30% $866.2K
Oct 22, 2025 Oct 24, 2025 Adamo Claudine President Sell 37.5 -3,404 -33.20% $3.2M
Oct 22, 2025 Oct 24, 2025 STANTON JOHN W Director Neutral 77.5 +286 1.18% -
Oct 22, 2025 Oct 24, 2025 Wilderotter Mary Agnes Director Neutral 77.5 +286 2.26% -
Oct 22, 2025 Oct 24, 2025 RAIKES JEFFREY S Director Neutral 77.5 +286 1.41% -
Oct 22, 2025 Oct 24, 2025 JEWELL SARAH MR SALLY Director Neutral 85.0 +286 8.60% -
Oct 22, 2025 Oct 24, 2025 JAMES HAMILTON E Director Neutral 67.5 +286 0.51% -
Oct 22, 2025 Oct 24, 2025 Foulkes Helena Director Neutral 90.0 +286 34.06% -
Oct 22, 2025 Oct 24, 2025 DENMAN KENNETH D Director Neutral 85.0 +286 5.01% -
Oct 22, 2025 Oct 24, 2025 DECKER SUSAN L Director Neutral 77.5 +286 2.48% -
Oct 9, 2025 Wilcox William Richard President Neutral 52.5 - 0.00% -
Sep 29, 2025 Oct 1, 2025 Miller Russell D President Sell 17.5 -3,381 -25.77% $3.1M
Sep 29, 2025 Sep 30, 2025 Frates Caton President Sell 17.5 -1,540 -14.23% $1.4M
Sep 23, 2025 Sep 24, 2025 Miller Russell D President Neutral 52.5 - 0.00% -
Sep 10, 2025 Sep 12, 2025 Rubanenko Yoram President Sell 100.0 +2,473 15.69% $1.7M
Sep 10, 2025 Sep 12, 2025 Riel Pierre President Sell 100.0 +3,045 14.45% $1.5M
Sep 10, 2025 Sep 12, 2025 Miller Russell D President Sell 100.0 +2,918 28.61% $1.7M
Sep 10, 2025 Sep 12, 2025 Klauer James C President Sell 90.0 +3,260 3.53% $916.4K
Sep 10, 2025 Sep 12, 2025 Jones Teresa A. President Sell 100.0 +2,715 114.97% $1.4M
Sep 10, 2025 Sep 12, 2025 Frates Caton President Sell 100.0 +2,947 14.76% $1.2M
Sep 10, 2025 Sep 12, 2025 Callans Patrick J President Sell 92.5 +3,269 5.58% $908.2K
Sep 10, 2025 Sep 12, 2025 Adamo Claudine President Sell 97.5 +3,269 17.97% $908.2K
Sep 2, 2025 Sep 4, 2025 STANTON JOHN W Director Neutral 52.5 - 0.00% -
Aug 20, 2025 Aug 22, 2025 Jones Teresa A. President Sell 20.0 -600 -20.26% $595.2K
Jul 14, 2025 Jul 15, 2025 RAIKES JEFFREY S Director Neutral 27.5 -6,573 -24.51% -
Jul 14, 2025 Jul 15, 2025 Rubanenko Yoram President Sell 17.5 -4,000 -40.92% $3.9M
Jul 10, 2025 Barbre Tiffany Marie Other Neutral 52.5 - 0.00% -
Jun 18, 2025 Jun 20, 2025 DECKER SUSAN L Director Sell 20.0 -547 -4.53% $536.1K
Jun 9, 2025 Jun 10, 2025 Callans Patrick J President Sell 17.5 -3,000 -4.87% $3M
Jun 6, 2025 Jun 9, 2025 Riel Pierre President Sell 17.5 -2,000 -19.59% $2M
Apr 17, 2025 Apr 21, 2025 Klauer James C President Sell 17.5 -3,901 -8.13% $3.9M
Mar 27, 2025 Mar 27, 2025 MILLERCHIP GARY President Sell 17.5 -1,100 -8.97% $1M
Mar 24, 2025 Mar 25, 2025 Adamo Claudine President Sell 20.0 -900 -11.41% $830.3K
Mar 18, 2025 Mar 20, 2025 Frates Caton President Sell 20.0 -850 -9.74% $765.2K
Mar 11, 2025 Mar 13, 2025 Vachris Roland Michael CEO Sell 17.5 -3,600 -8.06% $3.4M
Mar 11, 2025 Mar 13, 2025 MILLERCHIP GARY President Sell 37.5 -1,147 -8.55% $1.1M
Dec 19, 2024 Dec 23, 2024 JELINEK W CRAIG Director Neutral 37.5 -2,017 -0.57% -
Dec 16, 2024 Dec 18, 2024 RAIKES JEFFREY S Director Neutral 27.5 -3,969 -12.89% -
Dec 16, 2024 Dec 18, 2024 DENMAN KENNETH D Director Neutral 27.5 -520 -8.36% -
Oct 22, 2024 Oct 24, 2024 Klauer James C President Sell 45.0 -1,097 -0.45% $980.3K
Oct 24, 2024 Oct 24, 2024 GALANTI RICHARD A President Sell 17.5 -1,416 -3.88% $1.3M
Oct 22, 2024 Oct 24, 2024 Vachris Roland Michael CEO Sell 100.0 +17,416 63.89% $1.5M
Oct 22, 2024 Oct 24, 2024 Sullivan John Christopher Executive VP Sell 100.0 +4,912 12.09% $2.3M
Oct 22, 2024 Oct 24, 2024 POLIT JAVIER President Sell 97.5 +6,063 164.62% $602.3K
Oct 22, 2024 Oct 24, 2024 MILLERCHIP GARY President Sell 97.5 +3,608 36.81% $279.7K
Oct 22, 2024 Oct 24, 2024 Jones Teresa A. President Sell 37.5 -1,974 -7.25% $1.8M
Oct 22, 2024 Oct 24, 2024 Frates Caton President Sell 40.0 -956 -2.05% $854.6K
Oct 22, 2024 Oct 24, 2024 Callans Patrick J President Sell 37.5 -4,120 -1.28% $3.7M
Oct 22, 2024 Oct 24, 2024 Adamo Claudine President Sell 40.0 -743 -1.78% $663.9K
Oct 22, 2024 Oct 24, 2024 Hines Daniel M. Other Sell 85.0 +1,194 1.34% $852.8K
Oct 22, 2024 Oct 24, 2024 Wilderotter Mary Agnes Director Neutral 77.5 +303 2.45% -
Oct 22, 2024 Oct 24, 2024 STANTON JOHN W Director Neutral 77.5 +303 1.27% -
Oct 22, 2024 Oct 24, 2024 RAIKES JEFFREY S Director Neutral 67.5 +303 0.99% -
Oct 22, 2024 Oct 24, 2024 JEWELL SARAH MR SALLY Director Neutral 90.0 +303 10.02% -
Oct 22, 2024 Oct 24, 2024 JELINEK W CRAIG Director Neutral 55.0 +303 0.09% -
Oct 22, 2024 Oct 24, 2024 JAMES HAMILTON E Director Neutral 67.5 +303 0.54% -
Oct 22, 2024 Oct 24, 2024 Foulkes Helena Director Neutral 90.0 +303 56.45% -
Oct 22, 2024 Oct 24, 2024 DENMAN KENNETH D Director Neutral 85.0 +303 5.12% -
Oct 22, 2024 Oct 24, 2024 DECKER SUSAN L Director Neutral 82.5 +303 2.57% -
Oct 15, 2024 Oct 15, 2024 Riel Pierre President Sell 17.5 -2,000 -16.38% $1.8M
Oct 11, 2024 Oct 15, 2024 Miller Russell D President Sell 17.5 -4,400 -30.13% $3.9M
Sep 30, 2024 Oct 2, 2024 Adamo Claudine President Sell 17.5 -3,200 -27.05% $2.8M
Sep 30, 2024 Oct 2, 2024 Callans Patrick J President Sell 17.5 -3,250 -4.72% $2.2M
Sep 30, 2024 Oct 2, 2024 Frates Caton President Sell 17.5 -1,700 -14.94% $1.5M
Sep 24, 2024 Sep 26, 2024 Miller Russell D President Neutral 52.5 - 0.00% -
Sep 16, 2024 Sep 18, 2024 Rubanenko Yoram President Sell 100.0 +3,863 20.82% $2.6M
Sep 16, 2024 Sep 18, 2024 Riel Pierre President Sell 100.0 +4,788 64.51% $2.4M
Sep 16, 2024 Sep 18, 2024 Miller Russell D Senior EVP Sell 100.0 +4,601 46.01% $2.6M
Sep 16, 2024 Sep 18, 2024 Klauer James C President Sell 100.0 +5,126 11.66% $1.5M
Sep 16, 2024 Sep 18, 2024 GALANTI RICHARD A President Sell 100.0 +5,916 19.32% $3.2M
Sep 16, 2024 Sep 18, 2024 Frates Caton President Sell 100.0 +4,626 68.47% $1.9M
Sep 16, 2024 Sep 18, 2024 Callans Patrick J President Sell 92.5 +6,018 9.57% $652.3K
Sep 16, 2024 Sep 18, 2024 Adamo Claudine President Sell 100.0 +5,134 76.70% $1.5M
Jul 25, 2024 Aug 29, 2024 Jones Teresa A. President Sell 52.5 -4 -0.08% $3.3K
Aug 29, 2024 Jones Teresa A. President Neutral 52.5 - 0.00% -
Aug 13, 2024 Aug 15, 2024 GALANTI RICHARD A President Sell 20.0 -1,400 -4.37% $869K
Aug 15, 2024 Aug 15, 2024 DECKER SUSAN L Director Sell 20.0 -620 -5.00% $543.4K
Jul 22, 2024 Jones Teresa A. President Neutral 52.5 - 0.00% -
Jul 19, 2024 Jul 22, 2024 JELINEK W CRAIG Director Neutral 52.5 -60 -0.02% -
Jul 16, 2024 Jul 17, 2024 RAIKES JEFFREY S Director Neutral 27.5 -5,860 -16.13% -