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
Nov. 13, 2019CFO1,984$302.80Sell$600,755.20
Nov. 8, 2019VP3,978$303.05Sell$1,205,532.90
Nov. 8, 2019EVP1,000$302.83Sell$302,830.00
Oct. 30, 2019Director1,703$298.25Sell$507,919.75
Oct. 30, 2019VP14,095$299.52Sell$4,221,734.40
Oct. 23, 2019Insider5,000$298.46Sell$1,492,300.00
Oct. 17, 2019Director1,008$302.50Sell$304,920.00
Oct. 11, 2019Director333$297.50Sell$99,067.50
Oct. 11, 2019VP5,976$298.06Sell$1,781,206.56
July 3, 2019Director1,646$268.25Sell$441,539.50
June 24, 2019VP3,700$267.25Sell$988,825.00
June 20, 2019VP10,000$265.85Sell$2,658,500.00
June 20, 2019CFO3,000$266.39Sell$799,170.00
June 7, 2019Insider5,000$255.53Sell$1,277,650.00
June 7, 2019VP2,000$252.15Sell$504,300.00
June 7, 2019Director2,790$254.62Sell$710,389.80
April 1, 2019Director3,000$242.65Buy$727,950.00
March 26, 2019Director2,350$240.00Sell$564,000.00
March 12, 2019VP4,188$230.47Sell$965,208.36
March 12, 2019Director2,049$232.00Sell$475,368.00
Jan. 4, 2019Director1,611$206.15Sell$332,107.65
Jan. 2, 2019Director739$205.00Sell$151,495.00
Oct. 30, 2018VP4,163$227.23Sell$945,958.49
Oct. 30, 2018Insider22,500$223.52Sell$5,029,200.00
Oct. 25, 2018VP23,000$226.76Sell$5,215,480.00
Oct. 25, 2018Director2,049$224.00Sell$458,976.00
Oct. 15, 2018VP6,600$225.88Sell$1,490,808.00
Oct. 1, 2018Director3,000$235.81Sell$707,430.00
Sept. 4, 2018Director3,000$233.14Sell$699,420.00
Aug. 1, 2018Director3,000$218.65Sell$655,950.00
July 23, 2018VP15,000$219.22Sell$3,288,300.00
July 2, 2018Director3,000$208.42Sell$625,260.00
June 18, 2018VP5,585$206.83Sell$1,155,145.55
June 15, 2018VP2,406$207.11Sell$498,306.66
June 13, 2018Insider7,000$204.67Sell$1,432,690.00
June 13, 2018VP2,500$205.19Sell$512,975.00
June 1, 2018Director3,000$195.45Sell$586,350.00
May 1, 2018Director3,000$196.49Sell$589,470.00
April 19, 2018Insider12,393$194.12Sell$2,405,729.16
April 2, 2018Director3,000$186.91Sell$560,730.00
March 22, 2018VP12,000$184.46Sell$2,213,520.00
March 12, 2018VP11,674$188.98Sell$2,206,152.52
March 9, 2018VP17,000$185.33Sell$3,150,610.00
March 1, 2018Director3,000$191.31Sell$573,930.00
Feb. 1, 2018Director3,000$193.41Sell$580,230.00
Jan. 18, 2018VP6,985$187.92Sell$1,312,621.20
Jan. 17, 2018Director30,000$192.06Sell$5,761,800.00
Jan. 12, 2018VP5,000$191.62Sell$958,100.00
Jan. 8, 2018VP5,200$187.98Sell$977,496.00
Jan. 8, 2018Insider5,000$188.62Sell$943,100.00
  • 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.