COST Insider Trading

Insider Ownership Percentage: 0.10%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $20,554,628.69

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: $951.45
Price Change: +0.30 (1.20%)
As of 06/18/2026 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  
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
6/18/2026Western Wealth Management LLC19,195$19.13M0.7%+21.0%0.004%Search for SEC Filing on Google Icon
6/18/2026Pacer Advisors Inc.44,035$43.88M0.1%-40.5%0.010%Search for SEC Filing on Google Icon
6/16/2026Steelhead Wealth Management LLC210$0.21M0.1%N/A0.000%Search for SEC Filing on Google Icon
6/15/2026Carmignac Gestion1,151$1.15M0.0%-75.3%0.000%Search for SEC Filing on Google Icon
6/12/2026S&A Financial Services Inc.1,943$1.94M1.3%N/A0.000%Search for SEC Filing on Google Icon
6/11/2026E Wealth Partners LLC393$0.39M0.3%N/A0.000%Search for SEC Filing on Google Icon
6/10/2026Brandywine Financial Group600$0.60M0.5%-7.7%0.000%Search for SEC Filing on Google Icon
6/10/2026Dakota Community Bank & Trust NA224$0.22M0.8%-6.7%0.000%Search for SEC Filing on Google Icon
6/10/2026FAS Wealth Partners Inc.7,368$7.34M0.5%+1.4%0.002%Search for SEC Filing on Google Icon
6/9/2026Rathbones Group PLC235,962$235.10M0.9%-14.1%0.053%Search for SEC Filing on Google Icon
6/9/2026Robinswood Financial LLC1,668$1.66M2.1%N/A0.000%Search for SEC Filing on Google Icon
6/8/2026First National Bank of Mount Dora Trust Investment Services10,322$10.29M2.2%-24.9%0.002%Search for SEC Filing on Google Icon
6/8/2026Pine Valley Investments Ltd Liability Co7,798$7.77M0.4%+6.3%0.002%Search for SEC Filing on Google Icon
6/8/2026Farmers National Bank959$0.96M0.2%-1.9%0.000%Search for SEC Filing on Google Icon
6/4/2026Chelsea Counsel Co.8,140$8.11M3.5%-2.0%0.002%Search for SEC Filing on Google Icon
6/4/2026Evansbrook LLC649$0.65M0.4%+6.6%0.000%Search for SEC Filing on Google Icon
6/3/2026Wealthquest Corp440$0.44M0.0%+38.4%0.000%Search for SEC Filing on Google Icon
6/3/2026CoreFirst Bank & Trust529$0.53M0.3%-10.6%0.000%Search for SEC Filing on Google Icon
6/3/2026Stillwater Private Wealth LLC226$0.23M0.2%N/A0.000%Search for SEC Filing on Google Icon
6/3/2026Parallel Advisors LLC45,954$45.79M0.8%+0.9%0.010%Search for SEC Filing on Google Icon
6/3/2026NewEdge Advisors LLC152,950$152.40M0.5%-0.9%0.034%Search for SEC Filing on Google Icon
6/1/2026Caerus Investment Advisors LLC236$0.24M0.1%N/A0.000%Search for SEC Filing on Google Icon
6/1/2026First Nebraska Trust Co2,022$2.02M0.2%N/A0.000%Search for SEC Filing on Google Icon
6/1/2026Flagship Wealth Advisors LLC355$0.35M0.1%-22.0%0.000%Search for SEC Filing on Google Icon
6/1/2026Foguth Wealth Management LLC.648$0.62M0.1%+9.5%0.000%Search for SEC Filing on Google Icon
6/1/2026Concorde Asset Management LLC558$0.56M0.3%-32.2%0.000%Search for SEC Filing on Google Icon
6/1/2026Financial Solutions Advisory Group Inc.282$0.28M0.0%N/A0.000%Search for SEC Filing on Google Icon
6/1/2026Integrated Investment Consultants LLC1,102$1.10M0.2%+3.4%0.000%Search for SEC Filing on Google Icon
6/1/2026Keel Point LLC1,910$1.90M0.1%-28.5%0.000%Search for SEC Filing on Google Icon
5/29/2026Krane Financial Solutions LLC712$0.71M0.5%N/A0.000%Search for SEC Filing on Google Icon
5/29/2026Asset Dedication LLC4,481$4.47M0.3%-15.8%0.001%Search for SEC Filing on Google Icon
5/28/2026Cozad Asset Management Inc.18,032$17.97M1.4%+1.9%0.004%Search for SEC Filing on Google Icon
5/28/2026Lavelle Capital LP633$0.63M0.4%N/A0.000%Search for SEC Filing on Google Icon
5/28/2026Blue Fin Capital Inc.12,132$12.09M2.0%+0.7%0.003%Search for SEC Filing on Google Icon
5/28/2026Carlson Capital L.P.1,405$1.40M0.4%+75.6%0.000%Search for SEC Filing on Google Icon
5/28/2026Challenger Wealth Management2,393$2.38M1.9%+1.5%0.001%Search for SEC Filing on Google Icon
5/28/2026Maripau Wealth Management LLC1,002$1M0.4%+47.4%0.000%Search for SEC Filing on Google Icon
5/27/2026Allen Capital Group LLC8,322$8.29M0.7%+627.4%0.002%Search for SEC Filing on Google Icon
5/27/2026Security Financial Services INC.264$0.26M0.0%-45.5%0.000%Search for SEC Filing on Google Icon
5/27/2026Westshore Wealth LLC432$0.43M0.2%-4.2%0.000%Search for SEC Filing on Google Icon
5/26/2026Serenity Investment Advisors230$0.24M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/26/2026Glenmede Trust Co. NA125,090$124.64M0.6%-0.7%0.028%Search for SEC Filing on Google Icon
5/26/2026Summit Financial Wealth Advisors LLC906$0.90M0.1%+16.8%0.000%Search for SEC Filing on Google Icon
5/26/2026Ruggaard & Associates LLC756$0.75M0.3%-3.2%0.000%Search for SEC Filing on Google Icon
5/26/2026Axiom Investment Management LLC80$80K0.1%N/A0.000%Search for SEC Filing on Google Icon
5/22/2026Summitry LLC1,588$1.58M0.1%+233.6%0.000%Search for SEC Filing on Google Icon
5/22/2026Groupama Asset Managment19,627$19.56M0.3%+11.7%0.004%Search for SEC Filing on Google Icon
5/22/2026WNY Asset Management LLC810$0.81M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/22/2026Segall Bryant & Hamill LLC104,607$103.79M1.3%N/A0.024%Search for SEC Filing on Google Icon
5/22/2026Wellington Grp LLC525$0.52M0.2%-28.0%0.000%Search for SEC Filing on Google Icon
5/22/2026Verus Capital Partners LLC3,034$3.02M0.2%-7.8%0.001%Search for SEC Filing on Google Icon
5/21/2026Raab & Moskowitz Asset Management LLC14,039$13.99M3.1%-0.5%0.003%Search for SEC Filing on Google Icon
5/21/2026GKV Capital Management Co. Inc.8,717$8.69M3.1%-0.7%0.002%Search for SEC Filing on Google Icon
5/21/2026Argent Capital Management LLC2,480$2.47M0.1%-8.3%0.001%Search for SEC Filing on Google Icon
5/21/2026Front Street Capital Management Inc.17,329$17.27M2.2%-21.5%0.004%Search for SEC Filing on Google Icon
5/21/2026Essential Partners LLC271$0.27M0.1%+903.7%0.000%Search for SEC Filing on Google Icon
5/21/2026Vestor Capital LLC1,017$1.01M0.1%-99.9%0.000%Search for SEC Filing on Google Icon
5/21/2026J. Derek Lewis & Associates Inc.4,386$4.37M1.0%-3.6%0.001%Search for SEC Filing on Google Icon
5/21/2026BankChampaign National Association1,421$1.42M1.4%N/A0.000%Search for SEC Filing on Google Icon
5/21/2026Groupe la Francaise44,997$44.55M0.6%-0.1%0.010%Search for SEC Filing on Google Icon
5/20/2026SHUTTLEWORTH & Co2,442$2.43M2.2%+0.4%0.001%Search for SEC Filing on Google Icon
5/20/2026Leigh Baldwin & CO. LLC842$0.84M0.5%+8.2%0.000%Search for SEC Filing on Google Icon
5/20/2026TrueWealth Financial Partners808$0.81M0.3%N/A0.000%Search for SEC Filing on Google Icon
5/19/2026Front Row Advisors LLC5,425$5.41M1.8%-0.4%0.001%Search for SEC Filing on Google Icon
5/19/2026Western Wealth Management LLC19,195$19.13M0.7%+21.0%0.004%Search for SEC Filing on Google Icon
5/19/2026McIlrath & Eck LLC6,485$6.46M0.5%+1.0%0.001%Search for SEC Filing on Google Icon
5/19/2026Sonoma Allocations LLC477$0.48M0.2%+6.5%0.000%Search for SEC Filing on Google Icon
5/19/2026Park State Asset Management6,870$6.85M5.2%-1.5%0.002%Search for SEC Filing on Google Icon
5/19/2026Orographic Financial Advisors LLC382$0.38M0.3%N/A0.000%Search for SEC Filing on Google Icon
5/19/2026Cim Investment Management Inc.2,635$2.63M0.7%-0.5%0.001%Search for SEC Filing on Google Icon
5/19/2026Silicon Valley Capital Partners11,972$11.93M1.2%-34.5%0.003%Search for SEC Filing on Google Icon
5/19/2026Paragon Private Wealth Management LLC1,573$1.57M0.5%+13.8%0.000%Search for SEC Filing on Google Icon
5/19/2026Ariadne Wealth Management LP500$0.50M0.2%+48.4%0.000%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE7,515,031$7.49B0.5%+11.5%1.694%Search for SEC Filing on Google Icon
5/19/2026Hamilton Wealth LLC1,214$1.21M0.1%+98.7%0.000%Search for SEC Filing on Google Icon
5/19/2026Strait & Sound Wealth Management LLC5,638$5.62M2.1%+0.2%0.001%Search for SEC Filing on Google Icon
5/19/2026Edgestream Partners L.P.2,695$2.69M0.1%+118.0%0.001%Search for SEC Filing on Google Icon
5/19/2026Financial Insights Inc.2,603$2.59M0.8%+1.8%0.001%Search for SEC Filing on Google Icon
5/19/2026Kensington Investment Counsel LLC1,269$1.26M0.6%-18.8%0.000%Search for SEC Filing on Google Icon
5/19/2026Kentucky Retirement Systems36,073$35.94M1.2%+29.4%0.008%Search for SEC Filing on Google Icon
5/19/2026Chesapeake Wealth Management670$0.67M0.2%+11.5%0.000%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC388,793$387.40M0.2%+0.7%0.088%Search for SEC Filing on Google Icon
5/19/2026Centaurus Financial Inc.6,602$6.58M0.3%-1.3%0.001%Search for SEC Filing on Google Icon
5/19/2026Cim LLC20,363$20.29M2.9%-6.4%0.005%Search for SEC Filing on Google Icon
5/19/2026Oddo BHF Asset Management Sas8,496$8.47M0.3%+2.8%0.002%Search for SEC Filing on Google Icon
5/19/2026Bull Harbor Capital LLC1,335$1.33M0.4%N/A0.000%Search for SEC Filing on Google Icon
5/19/2026Strategic Investment Advisors MI1,365$1.36M0.1%+15.5%0.000%Search for SEC Filing on Google Icon
5/19/2026Ashton Thomas Securities LLC3,064$3.05M0.4%+46.7%0.001%Search for SEC Filing on Google Icon
5/19/2026Arkadios Wealth Advisors23,217$23.13M0.4%-3.1%0.005%Search for SEC Filing on Google Icon
5/19/2026Claris Financial LLC1,114$1.11M0.6%+2.2%0.000%Search for SEC Filing on Google Icon
5/19/2026Altshuler Shaham Ltd2,618$2.61M0.0%N/A0.001%Search for SEC Filing on Google Icon
5/19/2026Smith Group Asset Management LLC61,895$61.67M3.1%+9.0%0.014%Search for SEC Filing on Google Icon
5/18/2026Sunbelt Securities Inc.5,714$5.69M0.4%+1.9%0.001%Search for SEC Filing on Google Icon
5/18/2026Guardian Partners Inc.10,360$10.35M0.9%-2.0%0.002%Search for SEC Filing on Google Icon
5/18/2026Amundi2,839,016$2.83B0.8%+11.1%0.640%Search for SEC Filing on Google Icon
5/18/2026Gould Capital LLC3,960$3.95M2.4%+10.8%0.001%Search for SEC Filing on Google Icon
5/18/2026Adalta Capital Management LLC135$0.14M0.1%-10.0%0.000%Search for SEC Filing on Google Icon
5/18/2026EverSource Wealth Advisors LLC6,329$6.31M0.2%+34.0%0.001%Search for SEC Filing on Google Icon
5/18/2026Talon Private Wealth LLC849$0.85M0.1%N/A0.000%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System687,142$684.69M0.7%-2.2%0.155%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: $951.45
Low: $948.31
High: $964.00

50 Day Range

MA: $1,000.19
Low: $946.11
High: $1,094.32

52 Week Range

Now: $951.45
Low: $844.06
High: $1,096.50

Volume

3,711,491 shs

Average Volume

2,410,723 shs

Market Capitalization

$421.95 billion

P/E Ratio

47.86

Dividend Yield

0.62%

Beta

0.88

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. Bank of America Corp DE — 1.69%
  2. Diamant Asset Management Inc. — 1.52%
  3. Bank of New York Mellon Corp — 0.76%
  4. Amundi — 0.64%
  5. Jennison Associates LLC — 0.52%
  6. Dimensional Fund Advisors LP — 0.38%
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. Vestor Capital LLC
  3. Renaissance Technologies LLC
  4. Assenagon Asset Management S.A.
  5. Arrowstreet Capital Limited Partnership
  6. California Public Employees Retirement System
  7. Bank of Nova Scotia
  8. Bank of New York Mellon Corp
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. Yoram Rubanenko (EVP)
  7. Tiffany Marie Barbre (Insider)
  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. Diamant Asset Management Inc.
  2. Bank of America Corp DE
  3. Amundi
  4. Healthcare of Ontario Pension Plan Trust Fund
  5. Harel Insurance Investments & Financial Services Ltd.
  6. Fifth Third Bancorp
  7. First Trust Advisors LP
  8. Segall Bryant & Hamill LLC