ITS
InsiderTrading
TradesInsidersCompaniesCluster BuysRankingsAbout
ITS
InsiderTrading Screener

Track SEC Form 4 insider trades. See what corporate insiders are buying and selling.

Browse

  • Trades
  • Insiders
  • Companies
  • Cluster Buys
  • Rankings

Top Insiders

  • Mark Zuckerberg
  • Elon Musk
  • Jamie Dimon
  • Satya Nadella
  • Lisa Su
  • Jensen Huang

Screeners

  • CEO & CFO Purchases
  • Director Purchases
  • Top Buys This Week
  • Top Sales This Week
  • 10b5-1 Trades
  • Buy/Sell Ratios
  • Politician Overlap
  • Sectors

Learn

  • Learn
  • What is a Form 4?
  • About & Methodology
  • What are Cluster Buys?
  • Top Insider Rankings
  • Contact Us
  • Privacy Policy
  • Terms of Use

Data

  • SEC EDGAR Form 4 ↗
  • CongressStock.com ↗
  • Track13F.com ↗
  • About the data
© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.
Home/Companies/Costco Wholesale Corporation

Costco Wholesale Corporation

247 insider trades tracked

COST
Insider trades
247
Bought (open market)
$0
Sold (open market)
$68.9M
Unique insiders
27

12-month activity

Monthly insider buy vs sell totals for Costco Wholesale Corporation.

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
October 2025$0$4.8M90
November 2025$0$2.2M2
December 2025$0$2.7M5
January 2026$0$4.1M7
February 2026$0$00
March 2026$0$732K3
April 2026$0$695K1
May 2026$0$00
June 2026$0$847K1
July 2026$0$01
August 2026$0$00
September 2026$0$00

Recent insider trades

Most recent Form 4 filings for Costco Wholesale Corporation.

  • RAIKES JEFFREY Sgifted5,249 shares ofCOSTat $0Jul 10 · filed Jul 14Details
  • DENMAN KENNETH Dsold885 shares ofCOSTat $957.453$847KJun 23 · filed Jun 25Details
  • Frates Catonsold700 shares ofCOSTat $993$695KApr 1Details

Insiders at this company

Executives and directors who have filed Form 4s.

  • Adamo Claudine24 trades
  • Frates Caton24 trades
  • Callans Patrick J23 trades
  • Klauer James C22 trades
  • Sullivan John Christopher18 trades
  • POLIT JAVIER14 trades
  • Barbre Tiffany Marie13 trades
  • Jones Teresa A.12 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
  • George Sarah Catherinetraded642.125 shares ofCOSTat $991.213$636KMar 12 · filed Mar 13Details
  • MILLERCHIP GARYtax-withheld1,154.017 shares ofCOSTat $992.23$1.1MMar 11 · filed Mar 13Details
  • Adamo Claudinesold730 shares ofCOSTat $1,003.021$732KMar 9 · filed Mar 11Details
  • Jones Teresa A.gifted300 shares ofCOSTat $0Jan 27 · filed Jan 28Details
  • RAIKES JEFFREY Sgifted5,115 shares ofCOSTat $0Jan 27 · filed Jan 28Details
  • Jones Teresa A.sold850 shares ofCOSTat $986.257$838KJan 21 · filed Jan 23Details
  • Raimondo Gina Mariegranted215 shares ofCOSTat $0Jan 16 · filed Jan 20Details
  • DECKER SUSAN Lsold458 shares ofCOSTat $955$437KJan 16 · filed Jan 20Details
  • Klauer James Csold1,500 shares ofCOSTat $939$1.4MJan 14 · filed Jan 15Details
  • Miller Russell Dsold1,500 shares ofCOSTat $916.32$1.4MJan 9 · filed Jan 12Details
  • POLIT JAVIERsold558.305 shares ofCOSTat $862.895$482KDec 30, 2025 · filed Dec 31, 2025Details
  • POLIT JAVIERsold558 shares ofCOSTat $862.895$482KDec 30, 2025 · filed Dec 31, 2025Details
  • POLIT JAVIERsold2,049 shares ofCOSTat $867.205$1.8MDec 29, 2025 · filed Dec 31, 2025Details
  • DENMAN KENNETH Dgifted325 shares ofCOSTat $0Dec 19, 2025 · filed Dec 22, 2025Details
  • DECKER SUSAN Lgifted2,827 shares ofCOSTat $0Dec 15, 2025 · filed Dec 17, 2025Details
  • RAIKES JEFFREY Sgifted4,120 shares ofCOSTat $0Nov 10, 2025 · filed Nov 12, 2025Details
  • Wilcox William Richardsold2,400 shares ofCOSTat $930.13$2.2MNov 7, 2025 · filed Nov 12, 2025Details
  • Barbre Tiffany Mariesold1,239.383 shares ofCOSTat $934.62$1.2MOct 24, 2025Details
  • Barbre Tiffany Mariesold1,239 shares ofCOSTat $934.62$1.2MOct 24, 2025Details
  • Adamo Claudinesold2,700 shares ofCOSTat $935.68$2.5MOct 24, 2025Details
  • Barbre Tiffany Marietax-withheld84.6 shares ofCOSTat $944.68$80KOct 22, 2025 · filed Oct 24, 2025Details
  • Barbre Tiffany Marietax-withheld135.4 shares ofCOSTat $944.68$128KOct 22, 2025 · filed Oct 24, 2025Details
  • Barbre Tiffany Marietax-withheld118.56 shares ofCOSTat $944.68$112KOct 22, 2025 · filed Oct 24, 2025Details
  • Barbre Tiffany Marietax-withheld90.23 shares ofCOSTat $944.68$85KOct 22, 2025 · filed Oct 24, 2025Details
  • Barbre Tiffany Marietax-withheld113.53 shares ofCOSTat $944.68$107KOct 22, 2025 · filed Oct 24, 2025Details
  • Vachris Roland Michaeltax-withheld1,159.75 shares ofCOSTat $944.68$1.1MOct 22, 2025 · filed Oct 24, 2025Details
  • Vachris Roland Michaeltax-withheld1,493.05 shares ofCOSTat $944.68$1.4MOct 22, 2025 · filed Oct 24, 2025Details
  • View all trades for COST →
    MILLERCHIP GARY
    11 trades
  • Hines Daniel M.10 trades
  • JELINEK W CRAIG8 trades
  • RAIKES JEFFREY S8 trades
  • Vachris Roland Michael8 trades
  • DECKER SUSAN L8 trades
  • Miller Russell D8 trades
  • DENMAN KENNETH D6 trades
  • Rubanenko Yoram5 trades
  • Riel Pierre5 trades
  • STANTON JOHN W4 trades
  • JAMES HAMILTON E3 trades