Costco Wholesale Corporation (COST) Insider Trading Activity

NASDAQ$999.89
Market Cap
$443.6B
Sector
Consumer Defensive
Industry
Discount Stores
Rank in Sector
90 of 173
Rank in Industry
3 of 9

COST Insider Trading Activity

COST Median Price and Trade Amounts History Chart

Statistics of Insider Transactions

Amount of Insider Buys and Sells

Buys
$0
0
0
Sells
$24,539,746
16
100

Related Transactions

Adamo ClaudineExecutive Vice President
0
$0
1
$732,205
$-732,205
DECKER SUSAN Ldirector
0
$0
2
$973,448
$-973,448
Jones Teresa A.Executive Vice President
0
$0
2
$1.43M
$-1.43M
Riel PierreExecutive Vice President
0
$0
1
$2.03M
$-2.03M
Frates CatonExecutive Vice President
0
$0
2
$2.1M
$-2.1M
Wilcox William RichardExecutive Vice President
0
$0
1
$2.23M
$-2.23M
POLIT JAVIERExecutive Vice President
0
$0
2
$2.26M
$-2.26M
Callans Patrick JExecutive Vice President
0
$0
1
$3.01M
$-3.01M
Rubanenko YoramExecutive Vice President
0
$0
1
$3.9M
$-3.9M
Miller Russell DSr. Executive Vice President
0
$0
2
$4.47M
$-4.47M
Klauer James CExecutive Vice President
0
$0
2
$5.33M
$-5.33M

About Costco Wholesale Corporation

Costco Wholesale Corporation, together with its subsidiaries, engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, Korea, Australia, Spain, France, Iceland, China, and Taiwan. It offers branded and private-label products in a range of merchandise categories. The company offers sundries, dry groceries, candies, coolers, freezers, liquor, and tobacco and deli products; 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. It also operates pharmacies, opticals, food courts, hearing-aid centers, and tire installation centers, as well as 636 gas stations; and offers business delivery, travel, same-day grocery, and various other services online in various countries. As of August 29, 2021, the company operated 815 membership warehouses, including 564 in the United States and Puerto Rico, 105 in Canada, 39 in Mexico, 30 in Japan, 29 in the United Kingdom, 16 in South Korea, 14 in Taiwan, 12 in Australia, 3 in Spain, 1 in Iceland, 1 in France, and 1 in China. It also operates e-commerce websites in the United States, Canada, the United Kingdom, Mexico, South Korea, Taiwan, Japan, and Australia. 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.

Insider Activity of Costco Wholesale Corporation

Over the last 12 months, insiders at Costco Wholesale Corporation have bought $0 and sold $24.54M worth of Costco Wholesale Corporation stock.

On average, over the past 5 years, insiders at Costco Wholesale Corporation have bought $449,872 and sold $23.78M worth of stock each year.

There was no buying activity among insiders over the last 12 months.

The last purchase of 850 shares for transaction amount of $400,125 was made by Wilderotter Mary Agnes () on 2022‑06‑07.

List of Insider Buy and Sell Transactions, Costco Wholesale Corporation

2026-04-01SaleFrates CatonExecutive Vice President
700
0.0002%
$993.00
$695,100
+0.44%
2026-03-09SaleAdamo ClaudineExecutive Vice President
730
0.0002%
$1,003.02
$732,205
-1.21%
2026-01-21SaleJones Teresa A.Executive Vice President
850
0.0002%
$986.26
$838,318
+0.77%
2026-01-16SaleDECKER SUSAN Ldirector
458
0.0001%
$955.00
$437,390
+2.71%
2026-01-14SaleKlauer James CExecutive Vice President
1,500
0.0003%
$939.00
$1.41M
+3.96%
2026-01-09SaleMiller Russell DSr. Executive Vice President
1,500
0.0003%
$916.32
$1.37M
+6.82%
2025-12-30SalePOLIT JAVIERExecutive Vice President
558.3
0.0001%
$862.89
$481,759
+13.93%
2025-12-29SalePOLIT JAVIERExecutive Vice President
2,049
0.0005%
$867.21
$1.78M
+13.59%
2025-11-07SaleWilcox William RichardExecutive Vice President
2,400
0.0006%
$930.13
$2.23M
+5.40%
2025-09-29SaleMiller Russell DSr. Executive Vice President
3,381
0.0008%
$915.00
$3.09M
+2.86%
2025-09-29SaleFrates CatonExecutive Vice President
1,540
0.0003%
$910.02
$1.4M
+2.86%
2025-08-20SaleJones Teresa A.Executive Vice President
600
0.0001%
$992.05
$595,230
-4.96%
2025-07-14SaleRubanenko YoramExecutive Vice President
4,000
0.0009%
$974.96
$3.9M
-3.05%
2025-06-18SaleDECKER SUSAN Ldirector
547
0.0001%
$980.00
$536,058
-2.07%
2025-06-09SaleCallans Patrick JExecutive Vice President
3,000
0.0007%
$1,002.77
$3.01M
-4.87%
2025-06-06SaleRiel PierreExecutive Vice President
2,000
0.0005%
$1,014.15
$2.03M
-5.67%
2025-04-17SaleKlauer James CExecutive Vice President
4,000
0.001%
$981.07
$3.92M
-2.16%
2025-03-27SaleMILLERCHIP GARYExecutive Vice President
1,100
0.0002%
$940.01
$1.03M
+2.91%
2025-03-24SaleAdamo ClaudineExecutive Vice President
900
0.0002%
$922.56
$830,304
+4.22%
2025-03-18SaleFrates CatonExecutive Vice President
850
0.0002%
$900.25
$765,213
+7.20%
Total: 694
*Gray background shows transactions not older than one year

Insider Historical Profitability

7.21%
Callans Patrick JExecutive Vice President
58543
0.0132%
$58.54M010
Klauer James CExecutive Vice President
44837
0.0101%
$44.83M07
POLIT JAVIERExecutive Vice President
10190
0.0023%
$10.19M02
DECKER SUSAN Ldirector
8532
0.0019%
$8.53M131
+2.88%
Miller Russell DSr. Executive Vice President
8240
0.0019%
$8.24M011
Riel PierreExecutive Vice President
8210
0.0019%
$8.21M03
Adamo ClaudineExecutive Vice President
6121
0.0014%
$6.12M07
Rubanenko YoramExecutive Vice President
5774
0.0013%
$5.77M03
Frates CatonExecutive Vice President
5815
0.0013%
$5.81M07
Jones Teresa A.Executive Vice President
4228
0.001%
$4.23M04
Wilcox William RichardExecutive Vice President
2000
0.0005%
$2M01
SINEGAL JAMES Ddirector
695019
0.1567%
$694.94M070
WALKER THOMAS KIRKExecutive VP
253763
0.0572%
$253.74M07
JELINEK W CRAIGdirector
216212
0.0487%
$216.19M019
DICERCHIO RICHARD Ddirector
128030
0.0289%
$128.02M015
BROTMAN JEFFREY HChairman of the Board
107452
0.0242%
$107.44M040
McKay John DExecutive Vice President
66751
0.015%
$66.74M019
GATES WILLIAM H IIdirector
48134
0.0108%
$48.13M02
Vachris Roland MichaelPresident and CEO
41077
0.0093%
$41.07M011
SCHUTT DOUGLAS WFormer Executive VP
40184
0.0091%
$40.18M010
LIBENSON RICHARD Mdirector
38682
0.0087%
$38.68M017
Murphy James P.Executive VP
36230
0.0082%
$36.23M017
LAZARUS FRANZ EExecutive VP
30432
0.0069%
$30.43M018
JAMES HAMILTON Edirector
29076
0.0066%
$29.07M010
Rose Timothy L.Executive VP
28409
0.0064%
$28.41M019
GALANTI RICHARD AExecutive Vice President
27400
0.0062%
$27.4M080
MOULTON PAUL GExecutive VP
23049
0.0052%
$23.05M022
PETTERSON DAVID S
20926
0.0047%
$20.92M064
RUCKELSHAUS JILL S
18566
0.0042%
$18.56M011
CARSON BENJAMIN SRdirector
15356
0.0035%
$15.35M08
STANTON JOHN Wdirector
13456
0.003%
$13.45M10
<0.0001%
ZOOK DENNIS RExecutive VP
13265
0.003%
$13.26M030
MEISENBACH JOHN Wdirector
12833
0.0029%
$12.83M163
+20.03%
Wilderotter Mary Agnes
11295
0.0025%
$11.29M20
<0.0001%
Hines Daniel M.Principal Acctg Officer
10992
0.0025%
$10.99M011
MILLERCHIP GARYExecutive Vice President
11165
0.0025%
$11.16M01
RAIKES JEFFREY Sdirector
8250
0.0019%
$8.25M10
DENMAN KENNETH Ddirector
5920
0.0013%
$5.92M04
EVANS DANIEL Jdirector
1979
0.0004%
$1.98M31
+12.2%
PORTERA JOSEPH PExecutive VP
1789
0.0004%
$1.79M030
*Gray background shows insiders who have made transactions during last year

Historical Insider Profitability vs. Competitors

$116,918,633
51
10.86%
$21.06B
$47,830,930
48
3.96%
$1,016.48B
$15,186,308
47
9.02%
$27.9B
$23,048,766
22
12.40%
$57.89B
Costco Wholesale Corporation
(COST)
$6,086,542
8
7.21%
$443.6B
$830,748
6
19.80%
$5.82B
$267,493
2
22.16%
$12.05B

COST Institutional Investors: Active Positions

Increased Positions1,993+46.57%25M+8.38%
Decreased Positions1,894-44.25%12M-3.95%
New Positions370New2MNew
Sold Out Positions182Sold Out887,652Sold Out
Total Postitions4,379+2.31%316M+4.43%

COST Ownership Change vs Market

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Active Shareholders
Vanguard Group Inc$37.13M9.79%43.46M+99,097+0.23%2025-09-30
Blackrock, Inc.$29.72M7.83%34.78M-801,895-2.25%2025-09-30
State Street Corp$15.52M4.09%18.16M-160,631-0.88%2025-09-30
Geode Capital Management, Llc$8.85M2.33%10.36M+86,773+0.84%2025-09-30
Morgan Stanley$8.05M2.12%9.42M-156,701-1.64%2025-09-30
Fmr Llc$6.8M1.79%7.95M-1M-15.52%2025-09-30
Bank Of America Corp /De/$5.87M1.55%6.87M-112,411-1.61%2025-09-30
Norges Bank$4.91M1.3%5.75M+93,996+1.66%2025-06-30
Northern Trust Corp$4.32M1.14%5.06M+5,438+0.11%2025-09-30
Invesco Ltd.$3.58M0.94%4.19M-105,978-2.47%2025-09-30

Financial Ratios

Summary
Comparison with Competitors

Price to Earnings

Price/Earnings to Growth

Price to Sales

Price to Book

Price/Free Cash Flow

Analyst Recommendations

Analyst Price Targets

Prismo does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.