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Congress Stock Tracker

Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
Costco Wholesale Corporation

Costco Wholesale CorporationCOST

NASDAQConsumer DefensiveWarehouse Clubs & Supercenters$1008.43+0.52%

A membership-based warehouse retailer operating large-format stores that sell a limited assortment of bulk groceries, household goods, electronics, and other merchandise. The company generates significant recurring income from annual membership fees while maintaining high inventory turnover and low ...

Market Cap: $447.4B52W Range: $844.06 – $1067.08

Congressional Interest in Costco Wholesale Corporation (COST)

10 members of Congress have disclosed 50 trades in Costco Wholesale Corporation (COST), a Consumer Defensive company. The buy/sell breakdown shows 39 purchases versus 11 sales, indicating net buying interest from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
50
Unique Politicians
10
Buys
39
Sells
11

Who in Congress Is Trading COST?

DatePoliticianTypeAmountSecurity
2014-08-26Pat Robertssell$1K – $15KOther
2014-03-07DAVID B. MCKINLEYbuy$1K – $15KStock

Related

All stocks traded by CongressFull trade feedMost active tradersAbout the STOCK ActReport missing trade
2012-09-08MARY BONO MACKbuy$1K – $15KStock
2012-09-01JAMES B. RENACCIbuy$5,682.03Stock
2012-07-02DAVE CAMPbuy$15K – $50KStock
2012-06-01JAMES B. RENACCIbuy$5,682.03Stock
2012-04-09JAMES B. RENACCIbuy$4,147.77Stock
2012-02-07MICHAEL T. MCCAULsell$50K – $100KStock
2012-02-07MICHAEL T. MCCAULbuy$1K – $15KStock
2012-02-07MICHAEL T. MCCAULsell$1K – $15KStock
2012-02-02DAVE CAMPbuy$1K – $15KStock
2012-02-02DAVE CAMPbuy$1K – $15KStock
2012-01-05DAVE CAMPbuy$15K – $50KStock
2012-01-05DAVE CAMPbuy$1K – $15KStock
2011-10-09MICHAEL T. MCCAULbuy$1K – $15KStock
2011-08-12JAMES B. RENACCIbuy$5,598.61Stock
2011-07-06Vern Buchananbuy$1K – $15KStock
2011-07-01CONNIE MACKsell$1K – $15KStock
2011-07-01CONNIE MACKsell$1K – $15KStock
2011-06-05MICHAEL T. MCCAULbuy$1K – $15KStock
2011-06-05MICHAEL T. MCCAULbuy$1K – $15KStock
2011-06-05MICHAEL T. MCCAULbuy$1K – $15KStock
2011-06-01JAMES B. RENACCIbuy$4,127.70Stock
2011-06-01JAMES B. RENACCIbuy$4,124.70Stock
2011-06-01JAMES B. RENACCIbuy$4,124.70Stock
2011-05-07MICHAEL T. MCCAULbuy$1K – $15KStock
2011-05-04MICHAEL T. MCCAULbuy$1K – $15KStock
2011-05-01JAMES B. RENACCIbuy$4,127.70Stock
2011-04-09MICHAEL T. MCCAULbuy$1K – $15KStock
2011-02-12JAMES B. RENACCIsell$1,870.24Stock
2011-02-11JAMES B. RENACCIbuy$8,325.71Stock
2011-02-03CONNIE MACKsell$1K – $15KStock
2011-02-02MICHAEL T. MCCAULbuy$1K – $15KStock
2010-12-02Vern Buchananbuy$1K – $15KStock
2010-10-11Susan A. Davisbuy$1K – $15KStock
2010-09-11Vern Buchananbuy$1K – $15KStock
2010-09-02MICHAEL T. MCCAULsell$15K – $50KStock
2010-08-01Vern Buchananbuy$1K – $15KStock
2010-07-01MARY BONO MACKsell$1K – $15KStock
2010-06-12Vern Buchananbuy$1K – $15KStock
2010-05-02Vern Buchananbuy$1K – $15KStock
2010-04-02Vern Buchananbuy$1K – $15KStock
2010-03-12Vern Buchananbuy$1K – $15KStock
2010-03-08Vern Buchananbuy$1K – $15KStock
2010-02-09Vern Buchananbuy$1K – $15KStock
2010-01-10Vern Buchananbuy$1K – $15KStock
2010-01-09Vern Buchananbuy$1K – $15KStock
2010-01-08MARY BONO MACKbuy$1K – $15KStock
2009-12-12JANE HARMANsell$1K – $15KStock
2009-12-07MICHAEL T. MCCAULsell$1K – $15KStock
Pat Robertssell
2014-08-26$1K – $15K
Other
DAVID B. MCKINLEYbuy
2014-03-07$1K – $15K
Stock
MARY BONO MACKbuy
2012-09-08$1K – $15K
Stock
JAMES B. RENACCIbuy
2012-09-01$5,682.03
Stock
DAVE CAMPbuy
2012-07-02$15K – $50K
Stock
JAMES B. RENACCIbuy
2012-06-01$5,682.03
Stock
JAMES B. RENACCIbuy
2012-04-09$4,147.77
Stock
MICHAEL T. MCCAULsell
2012-02-07$50K – $100K
Stock
MICHAEL T. MCCAULbuy
2012-02-07$1K – $15K
Stock
MICHAEL T. MCCAULsell
2012-02-07$1K – $15K
Stock
DAVE CAMPbuy
2012-02-02$1K – $15K
Stock
DAVE CAMPbuy
2012-02-02$1K – $15K
Stock
DAVE CAMPbuy
2012-01-05$15K – $50K
Stock
DAVE CAMPbuy
2012-01-05$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2011-10-09$1K – $15K
Stock
JAMES B. RENACCIbuy
2011-08-12$5,598.61
Stock
Vern Buchananbuy
2011-07-06$1K – $15K
Stock
CONNIE MACKsell
2011-07-01$1K – $15K
Stock
CONNIE MACKsell
2011-07-01$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2011-06-05$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2011-06-05$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2011-06-05$1K – $15K
Stock
JAMES B. RENACCIbuy
2011-06-01$4,127.70
Stock
JAMES B. RENACCIbuy
2011-06-01$4,124.70
Stock
JAMES B. RENACCIbuy
2011-06-01$4,124.70
Stock
MICHAEL T. MCCAULbuy
2011-05-07$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2011-05-04$1K – $15K
Stock
JAMES B. RENACCIbuy
2011-05-01$4,127.70
Stock
MICHAEL T. MCCAULbuy
2011-04-09$1K – $15K
Stock
JAMES B. RENACCIsell
2011-02-12$1,870.24
Stock
JAMES B. RENACCIbuy
2011-02-11$8,325.71
Stock
CONNIE MACKsell
2011-02-03$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2011-02-02$1K – $15K
Stock
Vern Buchananbuy
2010-12-02$1K – $15K
Stock
Susan A. Davisbuy
2010-10-11$1K – $15K
Stock
Vern Buchananbuy
2010-09-11$1K – $15K
Stock
MICHAEL T. MCCAULsell
2010-09-02$15K – $50K
Stock
Vern Buchananbuy
2010-08-01$1K – $15K
Stock
MARY BONO MACKsell
2010-07-01$1K – $15K
Stock
Vern Buchananbuy
2010-06-12$1K – $15K
Stock
Vern Buchananbuy
2010-05-02$1K – $15K
Stock
Vern Buchananbuy
2010-04-02$1K – $15K
Stock
Vern Buchananbuy
2010-03-12$1K – $15K
Stock
Vern Buchananbuy
2010-03-08$1K – $15K
Stock
Vern Buchananbuy
2010-02-09$1K – $15K
Stock
Vern Buchananbuy
2010-01-10$1K – $15K
Stock
Vern Buchananbuy
2010-01-09$1K – $15K
Stock
MARY BONO MACKbuy
2010-01-08$1K – $15K
Stock
JANE HARMANsell
2009-12-12$1K – $15K
Stock
MICHAEL T. MCCAULsell
2009-12-07$1K – $15K
Stock
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