COST Insider Trading

Insider Ownership Percentage: 0.10%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $26,127,298.69

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: $1,016.42
Price Change: Price Increase of +3.63 (0.36%)
As of 05/5/2026 04:00 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
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  
6/28/2023Susan L. DeckerDirectorSell1,565$533.00$834,145.0013,329View SEC Filing Icon  
6/13/2023Richard A GalantiCFOSell1,500$522.02$783,030.0023,850View 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
5/5/2026Evergreen Advisors LLC55$55K0.0%N/A0.000%Search for SEC Filing on Google Icon
5/5/2026Regency Capital Management Inc. DE13,699$13.65M6.1%-3.4%0.003%Search for SEC Filing on Google Icon
5/5/2026Delta Financial Advisors LLC7,129$7.10M1.9%+3.2%0.002%Search for SEC Filing on Google Icon
5/5/2026Westover Capital Advisors LLC7,157$7.13M1.3%-0.7%0.002%Search for SEC Filing on Google Icon
5/5/2026Vectors Research Management LLC263$0.26M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/5/2026Wealthfront Advisers LLC66,236$66M0.1%+13.6%0.015%Search for SEC Filing on Google Icon
5/5/2026D.A. Davidson & CO.189,386$188.71M1.1%+0.5%0.043%Search for SEC Filing on Google Icon
5/5/2026Sharpepoint LLC211$0.21M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/5/2026Navigation Group LLC1,501$1.50M0.4%N/A0.000%Search for SEC Filing on Google Icon
5/5/2026Beaumont Financial Advisors LLC3,286$3.27M0.2%+7.4%0.001%Search for SEC Filing on Google Icon
5/5/2026Twin Capital Management Inc.6,506$6.48M0.8%-2.1%0.001%Search for SEC Filing on Google Icon
5/5/2026Marks Group Wealth Management Inc1,088$1.08M0.1%+2.8%0.000%Search for SEC Filing on Google Icon
5/5/2026Midwest Professional Planners LTD.5,695$5.67M1.3%-9.7%0.001%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp3,391,624$3.38B0.6%-3.6%0.764%Search for SEC Filing on Google Icon
5/5/2026Illinois Municipal Retirement Fund55,270$55.07M0.7%-3.0%0.012%Search for SEC Filing on Google Icon
5/5/2026Seros Financial LLC277$0.28M0.2%-6.7%0.000%Search for SEC Filing on Google Icon
5/5/2026Three Seasons Wealth LLC408$0.41M0.2%-9.7%0.000%Search for SEC Filing on Google Icon
5/5/2026Nolet Wealth Management LLC984$0.98M0.6%+2.1%0.000%Search for SEC Filing on Google Icon
5/5/2026SKY Mountain Capital Management Inc.473$0.47M0.3%-14.0%0.000%Search for SEC Filing on Google Icon
5/5/2026Journey Advisory Group LLC10,277$10.24M0.9%-2.5%0.002%Search for SEC Filing on Google Icon
5/5/2026Providence Wealth Advisors LLC1,009$1.01M0.6%-2.1%0.000%Search for SEC Filing on Google Icon
5/5/2026Peninsula Asset Management Inc.625$0.62M0.3%N/A0.000%Search for SEC Filing on Google Icon
5/5/2026Harmony Asset Management LLC495$0.49M0.2%+36.0%0.000%Search for SEC Filing on Google Icon
5/5/2026Geneos Wealth Management Inc.9,841$9.81M0.2%-1.7%0.002%Search for SEC Filing on Google Icon
5/5/2026Harel Insurance Investments & Financial Services Ltd.154,450$153.90M1.0%+2,432.0%0.035%Search for SEC Filing on Google Icon
5/5/2026MASTERINVEST Kapitalanlage GmbH5,460$5.44M0.6%+25.1%0.001%Search for SEC Filing on Google Icon
5/5/2026Hudson Canyon Capital Management2,879$2.87M1.8%-0.5%0.001%Search for SEC Filing on Google Icon
5/5/2026NFSG Corp3,870$3.86M0.6%+1.0%0.001%Search for SEC Filing on Google Icon
5/5/2026Livforsakringsbolaget Skandia Omsesidigt10,001$9.96M0.4%+3.6%0.002%Search for SEC Filing on Google Icon
5/5/2026Northstar Financial Companies Inc.1,227$1.22M1.0%+37.2%0.000%Search for SEC Filing on Google Icon
5/5/2026Ethos Financial Group LLC2,756$2.66M0.2%-6.0%0.001%Search for SEC Filing on Google Icon
5/5/2026Signet Financial Management LLC5,819$5.80M0.7%+0.6%0.001%Search for SEC Filing on Google Icon
5/5/2026SouthState Bank Corp25,370$25.28M1.2%-2.0%0.006%Search for SEC Filing on Google Icon
5/5/2026Luts & Greenleigh Group Inc.10,440$10.40M8.2%+0.1%0.002%Search for SEC Filing on Google Icon
5/5/2026Advisors Preferred LLC7,475$7.45M1.1%+332.8%0.002%Search for SEC Filing on Google Icon
5/5/2026Opinicus Capital Inc.2,054$2.05M1.4%+3.6%0.000%Search for SEC Filing on Google Icon
5/5/2026M3 Wealth Management LLC4,047$4.03M3.1%-1.1%0.001%Search for SEC Filing on Google Icon
5/5/2026Sanctuary Advisors LLC102,748$102.38M0.6%-4.8%0.023%Search for SEC Filing on Google Icon
5/5/2026BlueChip Wealth Advisors LLC357$0.33M0.1%+10.9%0.000%Search for SEC Filing on Google Icon
5/5/2026Sterling Investment Advisors Ltd.9,383$9.35M1.5%-1.2%0.002%Search for SEC Filing on Google Icon
5/5/2026Sigma Planning Corp14,838$14.79M0.4%-6.7%0.003%Search for SEC Filing on Google Icon
5/5/2026Cornerstone Advisory LLC3,071$3.06M0.3%+3.6%0.001%Search for SEC Filing on Google Icon
5/5/2026Camden National Bank17,121$17.06M2.3%-0.2%0.004%Search for SEC Filing on Google Icon
5/5/2026Adell Harriman & Carpenter Inc.40,296$40.15M2.4%+0.9%0.009%Search for SEC Filing on Google Icon
5/5/20261ST Source Bank11,360$11.32M0.6%-1.3%0.003%Search for SEC Filing on Google Icon
5/5/2026Checchi Capital Advisers LLC9,227$9.19M0.5%+4.2%0.002%Search for SEC Filing on Google Icon
5/5/2026First National Bank of Hutchinson1,098$1.09M0.7%+0.9%0.000%Search for SEC Filing on Google Icon
5/5/2026RWWM Inc.4,227$4.21M0.3%-1.7%0.001%Search for SEC Filing on Google Icon
5/5/2026CFO Capital Management LLC1,110$1.11M0.8%-7.8%0.000%Search for SEC Filing on Google Icon
5/5/2026Nwam LLC20,897$20.82M1.2%-0.7%0.005%Search for SEC Filing on Google Icon
5/5/2026Maryland State Retirement & Pension System22,351$22.27M0.5%+0.5%0.005%Search for SEC Filing on Google Icon
5/5/2026Hillsdale Investment Management Inc.4,248$4.23M0.1%+20.8%0.001%Search for SEC Filing on Google Icon
5/5/2026Fortress Financial Solutions LLC1,028$1.03M1.1%-4.8%0.000%Search for SEC Filing on Google Icon
5/5/2026Avantax Planning Partners Inc.10,247$10.21M0.3%-4.2%0.002%Search for SEC Filing on Google Icon
5/4/2026Nicholson Wealth Management Group LLC2,180$2.17M1.3%-1.8%0.000%Search for SEC Filing on Google Icon
5/4/2026Calamos Wealth Management LLC9,699$9.66M0.3%+13.3%0.002%Search for SEC Filing on Google Icon
5/4/2026AMG National Trust Bank4,697$4.68M0.1%+3.1%0.001%Search for SEC Filing on Google Icon
5/4/2026Retirement Planning Group LLC50,707$50.53M1.6%+1.2%0.011%Search for SEC Filing on Google Icon
5/4/2026Mattern Capital Management LLC14,415$14.36M1.7%-1.2%0.003%Search for SEC Filing on Google Icon
5/4/2026Sterling Group Wealth Management LLC232$0.23M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/4/2026Empirical Financial Services LLC d.b.a. Empirical Wealth Management21,521$21.44M0.4%-3.7%0.005%Search for SEC Filing on Google Icon
5/4/2026Bryn Mawr Trust Advisors LLC4,152$4.14M0.2%-5.2%0.001%Search for SEC Filing on Google Icon
5/4/2026Integrity Wealth Solutions LLC518$0.52M0.2%+25.7%0.000%Search for SEC Filing on Google Icon
5/4/2026Bleakley Financial Group LLC14,687$14.64M0.2%+11.9%0.003%Search for SEC Filing on Google Icon
5/4/2026Archer Investment Corp941$0.94M0.2%-16.7%0.000%Search for SEC Filing on Google Icon
5/4/2026Illumine Investment Management LLC4,279$4.26M3.3%-0.6%0.001%Search for SEC Filing on Google Icon
5/4/2026V2 Financial group LLC1,255$1.25M0.6%+10.3%0.000%Search for SEC Filing on Google Icon
5/4/2026WJ Financial Advisors LLC2,401$2.39M1.9%+6.2%0.001%Search for SEC Filing on Google Icon
5/4/2026HBW Advisory Services LLC1,453$1.45M0.2%+9.6%0.000%Search for SEC Filing on Google Icon
5/4/2026Northland Securities Inc.1,060$1.06M1.0%-6.7%0.000%Search for SEC Filing on Google Icon
5/4/2026State of Michigan Retirement System119,669$119.24M0.6%-29.5%0.027%Search for SEC Filing on Google Icon
5/4/2026NWF Advisory Services Inc.21,267$21.19M2.4%-1.2%0.005%Search for SEC Filing on Google Icon
5/4/2026Nadler Financial Group Inc.3,497$3.48M0.3%-2.0%0.001%Search for SEC Filing on Google Icon
5/4/2026TFR Capital LLC.4,550$4.53M1.4%-28.2%0.001%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.1,140,620$1.14B0.6%-3.0%0.257%Search for SEC Filing on Google Icon
5/4/2026Citizens National Bank Trust Department1,557$1.55M0.3%-3.7%0.000%Search for SEC Filing on Google Icon
5/4/2026Bedel Financial Consulting Inc.1,059$1.06M0.1%-2.7%0.000%Search for SEC Filing on Google Icon
5/4/2026Chicago Partners Investment Group LLC9,206$9.24M0.2%+18.7%0.002%Search for SEC Filing on Google Icon
5/4/2026Gratus Wealth Advisors LLC1,384$1.38M0.2%-5.1%0.000%Search for SEC Filing on Google Icon
5/4/2026Absher Wealth Management LLC25,989$25.90M3.0%-2.8%0.006%Search for SEC Filing on Google Icon
5/4/2026One Wealth Map LLC469$0.47M0.2%-27.4%0.000%Search for SEC Filing on Google Icon
5/4/2026Parr Mcknight Wealth Management Group LLC6,876$6.85M0.9%+43.6%0.002%Search for SEC Filing on Google Icon
5/4/2026Abound Financial LLC61$61K0.0%-88.7%0.000%Search for SEC Filing on Google Icon
5/4/2026GHE LLC13,601$13.55M2.9%+121.8%0.003%Search for SEC Filing on Google Icon
5/4/2026Vantage Point Financial LLC207$0.21M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/4/2026Tevis Investment Management736$0.73M0.4%-40.0%0.000%Search for SEC Filing on Google Icon
5/4/2026AMF Tjanstepension AB104,753$104.38M0.7%+10.4%0.024%Search for SEC Filing on Google Icon
5/4/2026Triglav Investments D.O.O.2,700$2.69M0.2%+42.1%0.001%Search for SEC Filing on Google Icon
5/4/2026Y.D. More Investments Ltd1,260$1.23M0.0%-20.7%0.000%Search for SEC Filing on Google Icon
5/4/2026J. Safra Sarasin Holding AG50,469$50.28M0.9%+3.4%0.011%Search for SEC Filing on Google Icon
5/4/2026Procyon Advisors LLC7,266$7.24M0.1%-2.2%0.002%Search for SEC Filing on Google Icon
5/2/2026Citizens Business Bank1,070$1.07M0.2%-10.8%0.000%Search for SEC Filing on Google Icon
5/2/2026Avion Wealth202$0.20M0.0%+11.0%0.000%Search for SEC Filing on Google Icon
5/2/2026LGT Fund Management Co Ltd.5,998$5.98M0.3%+694.4%0.001%Search for SEC Filing on Google Icon
5/2/2026Global Assets Advisory LLC1,456$1.45M0.3%-30.1%0.000%Search for SEC Filing on Google Icon
5/2/2026International Assets Investment Management LLC7,781$7.76M0.2%-12.2%0.002%Search for SEC Filing on Google Icon
5/2/2026Trifecta Capital Advisors LLC17,396$17.33M2.7%-0.4%0.004%Search for SEC Filing on Google Icon
5/2/2026Anchor Investment Management LLC8,519$8.49M0.7%+0.5%0.002%Search for SEC Filing on Google Icon
5/2/2026Associated Banc Corp2,033$2.03M0.1%-1.5%0.000%Search for SEC Filing on Google Icon
5/2/2026United Bank6,020$6M2.0%+6.2%0.001%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: $1,016.42
Low: $1,009.07
High: $1,020.78

50 Day Range

MA: $997.55
Low: $965.73
High: $1,032.03

52 Week Range

Now: $1,016.42
Low: $844.06
High: $1,067.08

Volume

1,455,488 shs

Average Volume

1,765,293 shs

Market Capitalization

$450.93 billion

P/E Ratio

52.86

Dividend Yield

0.58%

Beta

0.92

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. Diamant Asset Management Inc. — 1.52%
  2. Principal Financial Group Inc. — 0.26%
  3. Sumitomo Mitsui Trust Group Inc. — 0.24%
  4. Swedbank AB — 0.15%
  5. Assenagon Asset Management S.A. — 0.11%
  6. New York State Teachers Retirement System — 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. Cardano Risk Management B.V.
  2. Assenagon Asset Management S.A.
  3. State of Michigan Retirement System
  4. Principal Financial Group Inc.
  5. Sumitomo Mitsui Trust Group Inc.
  6. Meitav Investment House Ltd.
  7. ABN AMRO Bank N.V.
  8. Main Street Research LLC
Within the previous year, company insiders that have sold Costco Wholesale company stock include:
  1. Patrick J Callans (EVP)
  2. James C Klauer (EVP)
  3. Susan L Decker (Director)
  4. Javier Polit (EVP)
  5. Russell D Miller (EVP)
  6. Pierre Riel (EVP)
  7. Claudine Adamo (EVP)
  8. Yoram Rubanenko (EVP)
  9. Tiffany Marie Barbre (Insider)
  10. Teresa A Jones (EVP)
  11. 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. Diamant Asset Management Inc.
  2. Harel Insurance Investments & Financial Services Ltd.
  3. Fifth Third Bancorp
  4. OP Asset Management Ltd
  5. Fjarde AP Fonden Fourth Swedish National Pension Fund
  6. Louisiana State Employees Retirement System
  7. BI Asset Management Fondsmaeglerselskab A S
  8. Diversify Wealth Management LLC