COST Insider Trading

Insider Ownership Percentage: 0.10%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $17,502,131.94

Costco Wholesale Insider Trading History Chart

This chart shows the insider buying and selling history at Costco Wholesale by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Costco Wholesale Share Price & Price History

Current Price: $944.24
Price Change: Price Decrease of -9.838 (-1.03%)
As of 08/4/2026 12:13 PM ET

This chart shows the closing price history over time for COST up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Costco Wholesale Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
6/23/2026Kenneth D. DenmanDirectorSell885$957.45$847,343.254,779View SEC Filing Icon  
3/9/2026Claudine AdamoEVPSell730$1,003.02$732,204.606,121View SEC Filing Icon  
1/21/2026Teresa A JonesEVPSell850$986.26$838,321.004,228View SEC Filing Icon  
1/16/2026Susan L. DeckerDirectorSell458$955.00$437,390.008,532View SEC Filing Icon  
1/14/2026James C KlauerEVPSell1,500$939.00$1,408,500.0044,837View SEC Filing Icon  
1/9/2026Russell D. MillerEVPSell1,500$916.32$1,374,480.008,240View SEC Filing Icon  
12/30/2025Javier PolitEVPSell558$862.89$481,492.6210,190View SEC Filing Icon  
12/29/2025Javier PolitEVPSell2,049$867.21$1,776,913.2910,748View SEC Filing Icon  
11/7/2025William Richard WilcoxEVPSell2,400$930.13$2,232,312.002,000View SEC Filing Icon  
10/24/2025Claudine AdamoEVPSell2,700$935.68$2,526,336.006,851View SEC Filing Icon  
10/24/2025Tiffany Marie BarbreInsiderSell1,239$934.62$1,157,994.185,155View SEC Filing Icon  
9/29/2025Russell D. MillerEVPSell3,381$915.00$3,093,615.009,740View SEC Filing Icon  
8/20/2025Teresa A JonesEVPSell600$992.05$595,230.002,362View SEC Filing Icon  
7/14/2025Yoram RubanenkoEVPSell4,000$974.96$3,899,840.005,774View SEC Filing Icon  
6/18/2025Susan L. DeckerDirectorSell547$980.00$536,060.0011,531View SEC Filing Icon  
6/9/2025Patrick J CallansEVPSell3,000$1,002.77$3,008,310.0058,543View SEC Filing Icon  
6/6/2025Pierre RielEVPSell2,000$1,014.15$2,028,300.008,210View SEC Filing Icon  
4/17/2025James C KlauerEVPSell4,000$981.07$3,924,280.0043,994View SEC Filing Icon  
3/27/2025Gary MillerchipEVPSell1,100$940.01$1,034,011.0011,165View SEC Filing Icon  
3/24/2025Claudine AdamoEVPSell900$922.56$830,304.006,987View SEC Filing Icon  
3/11/2025Roland Michael VachrisCEOSell3,600$931.00$3,351,600.0041,077View SEC Filing Icon  
10/24/2024Richard A GalantiEVPSell1,416$894.68$1,266,866.8827,400View SEC Filing Icon  
10/15/2024Pierre RielEVPSell2,000$896.71$1,793,420.0010,210View SEC Filing Icon  
10/11/2024Russell D. MillerEVPSell4,400$891.15$3,921,060.0010,202View SEC Filing Icon  
9/30/2024Claudine AdamoEVPSell3,200$888.99$2,844,768.008,630View SEC Filing Icon  
8/15/2024Richard A GalantiEVPSell500$874.05$437,025.0022,900View SEC Filing Icon  
8/15/2024Susan L. DeckerDirectorSell620$876.50$543,430.0011,775View SEC Filing Icon  
8/13/2024Richard A GalantiEVPSell500$863.88$431,940.0023,800View SEC Filing Icon  
7/25/2024Teresa A JonesEVPSell4$832.55$3,330.204,935View SEC Filing Icon  
7/15/2024Daniel M. HinesInsiderSell1,500$848.53$1,272,795.0010,992View SEC Filing Icon  
7/15/2024Kenneth D. DenmanDirectorSell350$851.53$298,035.505,920View SEC Filing Icon  
7/12/2024Daniel M. HinesInsiderSell1,500$844.20$1,266,300.0012,492View SEC Filing Icon  
4/17/2024Russell D. MillerEVPSell785$722.86$567,445.1010,000View SEC Filing Icon  
3/11/2024Claudine AdamoEVPSell1,500$714.83$1,072,245.006,695View SEC Filing Icon  
2/9/2024Susan L. DeckerDirectorSell1,442$723.48$1,043,258.1612,395View SEC Filing Icon  
1/23/2024W. Craig JelinekDirectorSell8,000$685.93$5,487,440.00216,212View SEC Filing Icon  
1/18/2024Yoram RubanenkoVPSell2,500$680.33$1,700,825.005,910View SEC Filing Icon  
1/16/2024Caton FratesEVPSell740$683.50$505,790.006,721View SEC Filing Icon  
1/9/2024Daniel M. HinesInsiderSell1,400$662.30$927,220.0013,922View SEC Filing Icon  
12/19/2023Richard A GalantiCFOSell1,112$680.21$756,393.5224,300View SEC Filing Icon  
11/8/2023Richard A GalantiCFOSell2,000$566.09$1,132,180.0025,412View SEC Filing Icon  
11/7/2023Pierre RielEVPSell3,000$571.12$1,713,360.007,422View SEC Filing Icon  
11/3/2023Russell D. MillerEVPSell4,500$557.75$2,509,875.0010,785View SEC Filing Icon  
10/23/2023Claudine AdamoEVPSell2,565$548.92$1,407,979.808,128View SEC Filing Icon  
10/11/2023James C KlauerEVPSell1,500$562.01$843,015.0045,134View SEC Filing Icon  
10/10/2023Richard A GalantiCFOSell2,000$565.57$1,131,140.0028,138View SEC Filing Icon  
10/9/2023Patrick J CallansVPSell2,500$553.76$1,384,400.0067,934View SEC Filing Icon  
10/6/2023Caton FratesEVPSell1,200$562.64$675,168.008,363View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Costco Wholesale (NASDAQ:COST)

68.48% of Costco Wholesale stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at COST by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Costco Wholesale Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/4/2026Choreo LLC20,993$19.64M0.2%+0.5%0.005%Search for SEC Filing on Google Icon
8/4/2026Symphony Financial Ltd. Co.4,146$3.92M0.4%+10.4%0.001%Search for SEC Filing on Google Icon
8/4/2026LightSquare Wealth Management LLC832$0.78M0.5%+5.6%0.000%Search for SEC Filing on Google Icon
8/4/2026St. Johns Investment Management Company LLC2,095$1.96M0.7%+1.5%0.000%Search for SEC Filing on Google Icon
8/4/2026Archer Investment Corp970$0.91M0.2%+3.1%0.000%Search for SEC Filing on Google Icon
8/4/2026University of Texas Texas AM Investment Management Co.10,170$9.51M1.1%+40.3%0.002%Search for SEC Filing on Google Icon
8/4/2026Ascent Group LLC15,213$14.23M0.4%-2.6%0.003%Search for SEC Filing on Google Icon
8/4/2026Meyer Handelman Co.1,655$1.55M0.0%+1.0%0.000%Search for SEC Filing on Google Icon
8/4/2026Commonwealth Retirement Investments LLC2,171$2.03M0.6%-1.1%0.000%Search for SEC Filing on Google Icon
8/4/2026GR Financial Group LLC801$0.75M0.1%-1.5%0.000%Search for SEC Filing on Google Icon
8/4/2026One Day In July LLC1,220$1.14M0.1%+4.0%0.000%Search for SEC Filing on Google Icon
8/4/2026TCW Group Inc.156,163$146.09M1.0%-12.2%0.035%Search for SEC Filing on Google Icon
8/4/2026Marco Investment Management LLC39,988$37.41M2.5%-0.5%0.009%Search for SEC Filing on Google Icon
8/4/2026Fulton Breakefield Broenniman LLC2,641$2.47M0.1%-1.2%0.001%Search for SEC Filing on Google Icon
8/3/2026BIP Wealth LLC3,644$3.41M0.1%+28.8%0.001%Search for SEC Filing on Google Icon
8/3/2026Phillips Financial Management LLC405$0.38M0.0%-7.1%0.000%Search for SEC Filing on Google Icon
8/3/2026Trifecta Capital Advisors LLC17,213$16.10M2.1%-1.1%0.004%Search for SEC Filing on Google Icon
8/3/2026Elyxium Wealth LLC3,769$3.53M0.4%+7.7%0.001%Search for SEC Filing on Google Icon
8/3/2026Everett Harris & Co. CA734,529$687.13M8.4%-5.6%0.166%Search for SEC Filing on Google Icon
8/3/2026Pecaut & CO.7,077$6.62M2.0%-0.7%0.002%Search for SEC Filing on Google Icon
8/3/2026Summit Global Investments12,461$11.66M0.6%+4.3%0.003%Search for SEC Filing on Google Icon
8/3/2026Daniel Investment Group Inc.327$0.31M0.2%N/A0.000%Search for SEC Filing on Google Icon
8/3/2026Sage Rhino Capital LLC1,333$1.25M0.2%-1.4%0.000%Search for SEC Filing on Google Icon
8/3/2026Citizens Business Bank957$0.90M0.1%-10.6%0.000%Search for SEC Filing on Google Icon
8/3/2026Pinnacle Associates Ltd.35,995$33.67M0.4%+0.3%0.008%Search for SEC Filing on Google Icon
8/3/2026Summit Wealth Partners LLC1,350$1.26M0.2%-4.1%0.000%Search for SEC Filing on Google Icon
8/3/2026Smith Shellnut Wilson LLC ADV974$0.91M0.3%-5.0%0.000%Search for SEC Filing on Google Icon
8/3/2026Beacon Bank & Trust963$0.90M0.1%+6.3%0.000%Search for SEC Filing on Google Icon
8/3/2026Sterling Group Wealth Management LLC309$0.29M0.1%+33.2%0.000%Search for SEC Filing on Google Icon
8/3/2026First National Bank of Hutchinson1,114$1.04M0.6%+1.5%0.000%Search for SEC Filing on Google Icon
8/3/2026TSA Wealth Managment LLC270$0.25M0.1%-6.9%0.000%Search for SEC Filing on Google Icon
8/3/2026Sitrin Capital Management LLC6,717$6.28M2.8%-1.3%0.002%Search for SEC Filing on Google Icon
8/3/2026Oppenheimer Asset Management Inc.19,220$17.98M0.2%+21.2%0.004%Search for SEC Filing on Google Icon
8/3/2026Bryn Mawr Trust Advisors LLC4,113$3.85M0.2%-0.9%0.001%Search for SEC Filing on Google Icon
8/3/2026Laraway Financial Advisors Inc1,594$1.49M0.9%-1.5%0.000%Search for SEC Filing on Google Icon
8/3/2026Cornerstone Capital Inc.1,525$1.43M0.1%-1.7%0.000%Search for SEC Filing on Google Icon
8/3/2026Northstar Group Inc.21,749$20.35M2.6%-0.3%0.005%Search for SEC Filing on Google Icon
8/3/2026Osprey Private Wealth LLC10,009$9.36M2.4%+5.2%0.002%Search for SEC Filing on Google Icon
8/3/2026Massachusetts Wealth Management2,560$2.40M0.9%-1.9%0.001%Search for SEC Filing on Google Icon
8/3/2026Smith Group Asset Management LLC66,244$61.97M2.5%+7.0%0.015%Search for SEC Filing on Google Icon
8/3/2026Oppenheimer & Co. Inc.93,879$87.82M0.9%+0.2%0.021%Search for SEC Filing on Google Icon
8/3/2026Vontobel Holding Ltd.69,986$65.47M0.2%+81.2%0.016%Search for SEC Filing on Google Icon
8/3/2026Wallace Advisory Group LLC256$0.24M0.2%+20.2%0.000%Search for SEC Filing on Google Icon
8/3/2026Hardworking Capital Advisors LLC1,022$0.96M0.8%+1.9%0.000%Search for SEC Filing on Google Icon
8/3/2026Massachusetts Financial Services Co. MA129,208$124.39M0.0%-6.4%0.029%Search for SEC Filing on Google Icon
8/3/2026Avid Wealth Partners LLC379$0.36M0.2%-4.8%0.000%Search for SEC Filing on Google Icon
8/3/2026Hodges Capital Management Inc.3,889$3.64M0.2%-7.5%0.001%Search for SEC Filing on Google Icon
8/3/2026Elevated Capital Advisors LLC547$0.51M0.1%-36.5%0.000%Search for SEC Filing on Google Icon
8/3/2026Carrera Capital Advisors1,362$1.27M0.2%+13.4%0.000%Search for SEC Filing on Google Icon
8/3/2026Jennison Associates LLC2,166,050$2.03B1.2%-6.3%0.488%Search for SEC Filing on Google Icon
8/3/2026First Dallas Securities Inc.2,434$2.28M0.8%-4.8%0.001%Search for SEC Filing on Google Icon
8/3/2026Fire Capital Management LLC2,170$2.03M0.8%+14.8%0.000%Search for SEC Filing on Google Icon
8/3/2026Ranch Capital Advisors Inc.999$0.94M0.3%+11.4%0.000%Search for SEC Filing on Google Icon
8/3/2026One Degree Advisors Inc2,925$2.70M0.6%-0.5%0.001%Search for SEC Filing on Google Icon
8/3/2026AmeriServ Wealth Advisors663$0.62M0.4%-12.5%0.000%Search for SEC Filing on Google Icon
8/3/2026Silver Oak Advisory Group Inc.968$0.91M0.4%-4.9%0.000%Search for SEC Filing on Google Icon
8/3/2026Platt Wealth Management LLC1,650$1.54M1.2%-41.0%0.000%Search for SEC Filing on Google Icon
8/3/2026Van Strum & Towne Inc.679$0.64M0.2%+4.9%0.000%Search for SEC Filing on Google Icon
8/3/2026Firestone Capital Management756$0.71M0.1%+2.7%0.000%Search for SEC Filing on Google Icon
8/3/2026Phoenix Wealth Advisors1,278$1.20M0.4%-1.9%0.000%Search for SEC Filing on Google Icon
8/1/2026Fourth Dimension Wealth LLC772$0.72M0.2%+74.3%0.000%Search for SEC Filing on Google Icon
8/1/2026Belpointe Asset Management LLC11,873$11.11M0.4%+2.3%0.003%Search for SEC Filing on Google Icon
8/1/2026Argus Investors Counsel Inc.4,244$3.97M3.1%-2.3%0.001%Search for SEC Filing on Google Icon
8/1/2026Fortis Capital Advisors LLC4,067$3.81M0.4%+1.5%0.001%Search for SEC Filing on Google Icon
8/1/2026Lakeside Advisors INC.12,875$12.04M7.6%-0.9%0.003%Search for SEC Filing on Google Icon
8/1/2026Private Management Group Inc.1,895$1.77M0.0%+2.3%0.000%Search for SEC Filing on Google Icon
8/1/2026Baron Silver Stevens Financial Advisors LLC1,811$1.69M0.2%-1.0%0.000%Search for SEC Filing on Google Icon
8/1/2026VestGen Investment Management475$0.44M0.2%+8.2%0.000%Search for SEC Filing on Google Icon
8/1/2026Solidarity Wealth LLC914$0.86M0.1%+7.0%0.000%Search for SEC Filing on Google Icon
8/1/2026Daymark Wealth Partners LLC34,966$32.71M0.8%+24.8%0.008%Search for SEC Filing on Google Icon
8/1/2026Integrity Alliance LLC.16,245$15.20M0.5%-4.8%0.004%Search for SEC Filing on Google Icon
8/1/2026Integrity Advisory Solutions LLC1,024$0.96M0.1%+60.0%0.000%Search for SEC Filing on Google Icon
8/1/2026AIA Group Ltd17,816$16.67M0.2%-33.6%0.004%Search for SEC Filing on Google Icon
8/1/2026Mitchell Capital Management Co.6,357$5.95M0.9%-1.5%0.001%Search for SEC Filing on Google Icon
8/1/2026Integrity Financial Corp WA837$0.78M0.4%-14.3%0.000%Search for SEC Filing on Google Icon
8/1/2026Narus Financial Partners LLC523$0.49M0.1%-4.6%0.000%Search for SEC Filing on Google Icon
8/1/2026Quadcap Wealth Management LLC1,851$1.73M0.2%+6.2%0.000%Search for SEC Filing on Google Icon
8/1/2026BOCHK Asset Management Ltd2,600$2.43M0.4%-75.5%0.001%Search for SEC Filing on Google Icon
8/1/2026Becker Capital Management Inc.25,828$24.16M0.6%-0.4%0.006%Search for SEC Filing on Google Icon
8/1/2026JMG Financial Group Ltd.500$0.47M0.0%-5.3%0.000%Search for SEC Filing on Google Icon
8/1/2026Knights of Columbus Asset Advisors LLC4,330$4.05M0.2%+0.6%0.001%Search for SEC Filing on Google Icon
8/1/2026Texas Bank & Trust Co1,918$1.79M0.6%+3.5%0.000%Search for SEC Filing on Google Icon
8/1/2026Arrow Financial Corp3,395$3.18M0.3%-1.1%0.001%Search for SEC Filing on Google Icon
8/1/2026Odyssey Capital Advisors Inc.1,629$1.52M1.1%+9.2%0.000%Search for SEC Filing on Google Icon
8/1/2026Stonebridge Financial Planning Group LLC1,232$1.15M0.4%-7.5%0.000%Search for SEC Filing on Google Icon
8/1/2026MGO One Seven LLC17,412$16.29M0.3%+13.4%0.004%Search for SEC Filing on Google Icon
7/31/2026Garde Capital Inc.4,213$3.94M0.2%+0.3%0.001%Search for SEC Filing on Google Icon
7/31/2026Natural Investments LLC4,144$3.88M0.9%+24.0%0.001%Search for SEC Filing on Google Icon
7/31/2026Lakeshore Capital Group Inc.3,132$2.93M2.2%-1.3%0.001%Search for SEC Filing on Google Icon
7/31/2026Camden National Bank17,072$15.97M2.1%-0.3%0.004%Search for SEC Filing on Google Icon
7/31/2026Payden & Rygel9,960$9.32M0.7%+1,006.7%0.002%Search for SEC Filing on Google Icon
7/31/2026Convergence Investment Partners LLC491$0.46M0.0%-13.9%0.000%Search for SEC Filing on Google Icon
7/31/2026Ascent Wealth Partners LLC5,451$5.10M0.5%+1.8%0.001%Search for SEC Filing on Google Icon
7/31/2026Diversified Enterprises LLC3,644$3.41M0.2%+0.4%0.001%Search for SEC Filing on Google Icon
7/31/2026Harfst & Associates Inc.3,934$3.68M0.6%-0.9%0.001%Search for SEC Filing on Google Icon
7/31/2026Simmons Bank13,298$12.44M0.7%+4.5%0.003%Search for SEC Filing on Google Icon
7/31/2026Jacobi Capital Management LLC3,982$3.72M0.2%-1.1%0.001%Search for SEC Filing on Google Icon
7/31/2026Linscomb Wealth Inc.5,489$5.14M0.2%-3.4%0.001%Search for SEC Filing on Google Icon
7/31/2026Zions Bancorporation National Association UT1,941$1.82M0.1%+5.5%0.000%Search for SEC Filing on Google Icon
7/31/2026Aberdeen Group plc346,814$324.43M0.5%-2.2%0.078%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Costco Wholesale logo
Costco Wholesale Corporation, together with its subsidiaries, engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, Mexico, Japan, the United Kingdom, Korea, Australia, Taiwan, China, Spain, France, Iceland, New Zealand, and Sweden. The company offers branded and private-label products in a range of merchandise categories. It offers merchandise, such as sundries, dry groceries, candies, coolers, freezers, deli, liquor, and tobacco; appliances, electronics, health and beauty aids, hardware, garden and patio products, sporting goods, tires, toys and seasonal products, office supplies, automotive care products, postages, tickets, apparel, small appliances, furniture, domestics, housewares, special order kiosks, and jewelry; and meat, produce, service deli, and bakery products. The company also operates gasoline, pharmacies, optical, food courts, hearing-aid centers, and tire installation centers; and offers business delivery, travel, grocery, and various other services online. It also operates e-commerce websites. The company was formerly known as Costco Companies, Inc. and changed its name to Costco Wholesale Corporation in August 1999. Costco Wholesale Corporation was founded in 1976 and is based in Issaquah, Washington.
Read More on Costco Wholesale

Today's Range

Now: $944.24
Low: $937.01
High: $946.98

50 Day Range

MA: $953.94
Low: $912.97
High: $1,003.69

52 Week Range

Now: $944.24
Low: $844.06
High: $1,096.50

Volume

649,865 shs

Average Volume

2,227,009 shs

Market Capitalization

$418.75 billion

P/E Ratio

47.50

Dividend Yield

0.62%

Beta

0.87

Who are the company insiders with the largest holdings of Costco Wholesale?

Costco Wholesale's top insider investors include:
  1. James Sinegal (Director)
  2. James D Sinegal (Director)
  3. W Craig Jelinek (Insider)
  4. W Craig Jelinek (CEO)
  5. W Craig Jelinek (Director)
  6. Jeffrey H Brotman (Chairman)
  7. John D Mckay (EVP)
  8. Paul G Moulton (VP)
  9. Patrick J Callans (VP)
  10. John D Mckay (Insider)
Learn More about top insider investors at Costco Wholesale.

Who are the major institutional investors of Costco Wholesale?

Costco Wholesale's top institutional shareholders include:
  1. Ascentis Wealth Management LLC — 0.56%
  2. Jennison Associates LLC — 0.49%
  3. Sumitomo Mitsui Trust Group Inc. — 0.24%
  4. Assenagon Asset Management S.A. — 0.15%
  5. Ascentis Wealth Management LLC — 0.08%
  6. Aberdeen Group plc — 0.08%
Learn More about top institutional investors of Costco Wholesale stock.

Which institutional investors are selling Costco Wholesale stock?

In the last quarter, COST stock was sold by these institutional investors:
  1. Jennison Associates LLC
  2. Local Pensions Partnership Investment Ltd
  3. Whittier Trust Co.
  4. AIA Group Ltd
  5. Massachusetts Financial Services Co. MA
  6. BOCHK Asset Management Ltd
  7. Retail Employees Superannuation Pty Ltd as trustee for Retail Employees Superannuation Trust
  8. Aberdeen Group plc
Within the previous year, company insiders that have sold Costco Wholesale company stock include:
  1. James C Klauer (EVP)
  2. Javier Polit (EVP)
  3. Russell D Miller (EVP)
  4. Susan L Decker (Director)
  5. Claudine Adamo (EVP)
  6. Tiffany Marie Barbre (Insider)
  7. Kenneth D Denman (Director)
  8. Teresa A Jones (EVP)
  9. William Richard Wilcox (EVP)
Learn More investors selling Costco Wholesale stock.

Which institutional investors are buying Costco Wholesale stock?

During the previous quarter, COST stock was acquired by institutional investors including:
  1. Ascentis Wealth Management LLC
  2. Ascentis Wealth Management LLC
  3. Assenagon Asset Management S.A.
  4. Pictet Asset Management Holding SA
  5. Vontobel Holding Ltd.
  6. Sumitomo Mitsui Trust Group Inc.
  7. Generate Investment Management Ltd
  8. Sarasin & Partners LLP