Costco Wholesale Corp (COST) Insider Trading

Total insider buys:
  • $3,181,699.25
Total insider sells:
  • $374,885,921.11
Most recent insider trade:
  • Aug. 20, 2025
Most active insider trader:
  • Richard A Galanti
Trader NameDateTitleAmountPriceTypeTotal Value
July 15, 2022Director300$521.68Sell$156,504.00
July 14, 2022Executive VP and CFO1,000$505.60Sell$505,600.00
July 14, 2022CFO1,000$505.60Sell$505,600.00
June 22, 2022VP2,500$464.00Sell$1,160,000.00
June 7, 2022Director850$470.74Buy$400,129.00
April 8, 2022Insider4,498$603.00Sell$2,712,294.00
April 8, 2022EVP500$602.03Sell$301,015.00
March 29, 2022VP4,000$566.29Sell$2,265,160.00
March 23, 2022Director250$554.67Sell$138,667.50
Jan. 27, 2022VP3,318$492.45Sell$1,633,949.10
Dec. 21, 2021Director925$540.13Buy$499,620.25
Dec. 15, 2021CFO2,218$554.09Sell$1,228,971.62
Dec. 13, 2021EVP4,000$556.02Sell$2,224,080.00
Dec. 13, 2021VP5,000$559.32Sell$2,796,600.00
Aug. 13, 2021VP3,287$445.50Sell$1,464,358.50
July 12, 2021VP4,000$409.40Sell$1,637,600.00
June 28, 2021VP4,000$396.14Sell$1,584,560.00
June 14, 2021EVP5,000$380.53Sell$1,902,650.00
June 7, 2021VP2,500$384.31Sell$960,775.00
April 29, 2021CFO2,230$372.06Sell$829,693.80
March 22, 2021VP4,300$334.30Sell$1,437,490.00
Jan. 27, 2021Director694$363.35Sell$252,164.90
Jan. 13, 2021Director1,199$366.48Sell$439,409.52
Jan. 8, 2021VP9,015$366.50Sell$3,303,997.50
Dec. 30, 2020Director861$375.75Sell$323,520.75
Dec. 30, 2020CFO1,000$374.49Sell$374,490.00
Dec. 21, 2020Director1,000$362.59Sell$362,590.00
Dec. 14, 2020EVP5,000$377.24Sell$1,886,200.00
Dec. 14, 2020VP2,500$374.65Sell$936,625.00
Sept. 30, 2020Director300$355.69Sell$106,707.00
Sept. 29, 2020VP6,000$348.00Sell$2,088,000.00
Sept. 28, 2020Director2,500$347.90Sell$869,750.00
Aug. 21, 2020CFO1,754$345.00Sell$605,130.00
Aug. 13, 2020Director1,250$335.84Sell$419,800.00
Aug. 7, 2020EVP4,000$342.72Sell$1,370,880.00
July 14, 2020VP5,000$326.00Sell$1,630,000.00
July 13, 2020Director2,000$326.60Sell$653,200.00
July 10, 2020CFO2,730$325.07Sell$887,441.10
July 1, 2020Director1,155$302.57Sell$349,468.35
June 19, 2020VP4,000$300.95Sell$1,203,800.00
June 11, 2020VP6,000$308.05Sell$1,848,300.00
June 5, 2020Director1,995$312.00Sell$622,440.00
June 5, 2020VP2,500$309.22Sell$773,050.00
June 5, 2020Insider5,000$309.31Sell$1,546,550.00
April 22, 2020VP5,000$310.00Sell$1,550,000.00
April 20, 2020Director1,000$314.83Sell$314,830.00
March 19, 2020CFO1,448$306.51Sell$443,826.48
Jan. 14, 2020Director3,850$300.41Sell$1,156,578.50
Dec. 16, 2019VP2,000$293.99Sell$587,980.00
Nov. 15, 2019Director1,703$303.01Sell$516,026.03
  • Insiders are both buying and selling Costco Wholesale Corp stock.

  • The insider traders at Costco Wholesale Corp are: Richard A Galanti, Susan L Decker, John W Meisenbach, Timothy L Rose, James P Murphy, John D Mckay, Paul G Moulton, Roland Michael Vachris, Richard M Libenson, Daniel M Hines, Russell D Miller, David S Petterson, James D Sinegal, James Sinegal, Patrick J Callans, Joseph P Portera, Claudine Adamo, Dennis R Zook, James C Klauer, W Craig Jelinek, Franz E Lazarus, Kenneth D Denman, Jeffrey H Brotman, Caton Frates, Pierre Riel, Yoram Rubanenko, Douglas W Schutt, Hamilton E James, Jill S Ruckelshaus, Marjorie Taylor Greene, Mary Agnes Wilderotter, Richard A. Galanti, John Mckay, Benjamin Sr Carson Sr, Richard Galanti, Jeffrey H. Brotman, James Murphy, Gary Millerchip, GALANTI RICHARD A, Teresa A Jones, Dennis R. Zook, Timothy Rose, DENMAN KENNETH D, and John W Stanton

  • The most active insider trader at Costco Wholesale Corp is Richard A Galanti with 41 trades.

  • James D Sinegal has sold the most Costco Wholesale Corp stock with a total value of $39,099,308.28.

  • John W Stanton has bought the most Costco Wholesale Corp stock with a total value of $3,108,000.00.

  • The most recent insider trade for Costco Wholesale Corp was on Aug. 20, 2025.

  • The single biggest insider buy for Costco Wholesale Corp was from John W Stanton with a total value of $1,554,000.00 on Nov. 10, 2015.

  • The single biggest insider sell for Costco Wholesale Corp was from Jeffrey H Brotman with a total value of $19,087,642.35 on Aug. 15, 2014.