QuantCapitol. Congressional Trading Intelligence

Updated 2026-11-05 00:27 UTC · Public disclosure record

COSTTICKER

Costco Wholesale Corp.

VERY BULLISH stock

Congress has disclosed 94 buys and 67 sells of COST (Costco Wholesale Corp.) in official financial disclosures, each linked to its original filing. A transparency record — not investment advice.

Activity Congressional Activity

94
Buy
67
Sell
+27
Net
47
Active politicians

Round-trip watch Still on the books

Members who disclosed buying COST and have not disclosed selling, versus their own entry (the most recent disclosed buy). "Open" means no disclosed sale — never "still holds" — and the % is unrealised, on paper. Not investment advice.

MemberEntry (last buy)Entry priceNowvs entryStatus
Alan Armstrong 2026-03-27 $979.43 $1012.28 +3.4% ↩ near entry
James Comer 2025-01-02 $899.78 $1012.28 +12.5% in profit
Marjorie Taylor Greene 2025-03-17 $907.51 $1012.28 +11.5% in profit
Dan Newhouse 2026-07-10 $913.45 $1012.28 +10.8% in profit
Richard Dean McCormick 2025-11-05 $929.55 $1012.28 +8.9% in profit
Gilbert Cisneros 2026-01-30 $936.01 $1012.28 +8.1% in profit

Price as of 2026-10-30. Counted open while disclosed buys outnumber disclosed sells; tracks the price, not exact position size (amounts are ranges).

Price & congressional trades
Buy Sell

Fundamentals · FY2026 Valuation

Standard valuation multiples from SEC-reported GAAP financials (trailing twelve months), each compared to the median for Retail & Wholesale. We use reported GAAP, not forward or adjusted earnings, so our figures can sit higher than sites that do — especially for companies with falling profit. Relative context — not a target price or investment advice.

P/E
48.62
▲ pricier than Retail & Wholesale (median 23.0)
how it's calculated
P/E = price ÷ earnings per share
$1,012.28 ÷ $20.82 = 48.62
Based on GAAP trailing-twelve-month financials (SEC filings) and the latest close. Other sites may show a different multiple when they use forward (projected) or non-GAAP adjusted figures instead of reported GAAP — for a company with volatile profit those can differ in either direction from the GAAP figure shown here.
P/B
12.53
▲ pricier than Retail & Wholesale (median 6.3)
how it's calculated
P/B = price ÷ book value per share
$1,012.28 ÷ $80.80 = 12.53
Based on GAAP trailing-twelve-month financials (SEC filings) and the latest close. Other sites may show a different multiple when they use forward (projected) or non-GAAP adjusted figures instead of reported GAAP — for a company with volatile profit those can differ in either direction from the GAAP figure shown here.
EV/EBITDA
30.26
▲ pricier than Retail & Wholesale (median 14.2)
how it's calculated
EV/EBITDA = (market cap + net debt) ÷ EBITDA — net cash lowers EV
($448.6B − $14.0B net cash) ÷ $14.4B = $434.5B ÷ $14.4B = 30.26
Based on GAAP trailing-twelve-month financials (SEC filings) and the latest close. Other sites may show a different multiple when they use forward (projected) or non-GAAP adjusted figures instead of reported GAAP — for a company with volatile profit those can differ in either direction from the GAAP figure shown here.

161 trades Recent Congressional Trades

Two things to watch per trade: the disclosure lag (how many days passed before the trade was made public) and the price move in that window (how the stock moved during those non-public days). A sell followed by a price drop, or a buy followed by a rise, means well-timed trading — visible here in the open. Note: the Score measures how notable a trade is, not whether it made money — the price move is shown for context and isn't part of it.

PoliticianChamberTypeOwnerDateDisclosure lagPrice move
in that
window
AmountScoreSource
Pete Sessions House SELL ◆ insider convergence · moderate Self · ET Invest 2026-10-13 0 days 0.0% $100K–$250K
4.9% of NW 🔥
98.6 ↗ filing
Richard Allen House SELL ◆ insider convergence · moderate Spouse · R.W. Allen & Associates, Inc. > RWA&A - Securities 2026-09-18 26 days +9.7% $1K–$15K
0.3% of NW
84.4 ↗ filing
Richard Dean McCormick House SELL ◆ insider convergence Self · Growth Partners Roth IRA 2026-07-30 13 days -0.5% $1K–$15K
0.7% of NW
48.9 ↗ filing
Dan Newhouse House BUY ◆ insider divergence Spouse · Edward Jones IRA 2026-07-10 0 days 0.0% $1K–$15K
<0.1% of NW
69.7 ↗ filing
Alan Armstrong Senate BUY ◆ insider divergence Self 2026-03-27 116 days -5.4% $1K–$15K 82.9 ↗ eFD
Gilbert Cisneros House BUY ◆ insider divergence · moderate Self · 150 Main Street Trust > Bank of America 2026-01-30 12 days +4.0% $1K–$15K
0.1% of NW
0.7 ↗ filing
Gilbert Cisneros House SELL ◆ insider convergence · moderate Self · 150 Main Street Trust > Bank of America 2025-12-24 16 days +6.1% $1K–$15K
0.1% of NW
0.7 ↗ filing
Richard Dean McCormick House BUY ◆ insider divergence · moderate Self 2025-11-05 34 days -5.0% $1K–$15K
0.7% of NW
48.7 ↗ filing
Gilbert Cisneros House BUY ◆ insider divergence · moderate Self · 150 Main Street Trust > Bank of America 2025-10-17 26 days -2.2% $1K–$15K
0.1% of NW
9.3 ↗ filing
Valerie Hoyle House SELL ◆ insider convergence · moderate Spouse · Fidelity Rollover IRA 2025-09-23 0 days 0.0% $1K–$15K
0.8% of NW
30.3 ↗ filing
Lisa McClain House SELL ◆ insider convergence · moderate Spouse · Charles Schwab Brokerage Account 924 2025-07-10 34 days +1.0% $1K–$15K
0.1% of NW
7.6 ↗ filing
Lisa McClain House BUY ◆ insider divergence · moderate Spouse · Charles Schwab Brokerage Account 924 2025-06-17 57 days +0.3% $1K–$15K
0.1% of NW
13.6 ↗ filing
Lisa McClain House SELL ◆ insider convergence · moderate Spouse · Charles Schwab Brokerage Account 924 2025-06-09 65 days -2.6% $1K–$15K
0.1% of NW
33.3 ↗ filing
Jefferson Shreve House SELL ◆ insider convergence · moderate Self · CRT - Standard Unit Trust 2025-05-12 3 days -0.6% $100K–$250K
<0.1% of NW
69.1 ↗ filing
Bruce Westerman House SELL ◆ insider convergence · moderate Self · Fisher IRA 2025-04-21 7 days +2.2% $1K–$15K
0.7% of NW
53.8 ↗ filing
Jefferson Shreve House SELL ◆ insider convergence · moderate Self · CRT - Standard Unit Trust 2025-03-31 3 days +2.3% $15K–$50K
<0.1% of NW
89.4 ↗ filing
Greg Landsman House SELL ◆ insider convergence · moderate Joint · Rockefeller Capital Management (1) 2025-03-27 8 days -2.4% $1K–$15K
0.6% of NW
29.6 ↗ filing
Greg Landsman House SELL ◆ insider convergence · moderate Spouse · Sarah Landsman Traditional IRA 2025-03-27 8 days -2.4% $1K–$15K
0.6% of NW
29.6 ↗ filing
Marjorie Taylor Greene House BUY ◆ insider divergence · moderate Self 2025-03-17 1 days -2.0% $1K–$15K 19.6 ↗ filing
Bruce Westerman House BUY ◆ insider divergence · moderate Self · Fisher IRA 2025-03-03 14 days -12.4% $1K–$15K
0.7% of NW
69.4 ↗ filing
Greg Landsman House SELL ◆ insider convergence · moderate Joint · Rockefeller Capital Management (1) 2025-02-26 5 days +1.4% $1K–$15K
0.6% of NW
27.4 ↗ filing
Scott Franklin House SELL ◆ insider convergence · moderate Self · Fidelity Roth IRA 2025-01-28 49 days -6.2% $1K–$15K
0.1% of NW
11.8 ↗ filing
Scott Franklin House SELL ◆ insider convergence · moderate Spouse · Fidelity Roth IRA 2025-01-28 49 days -6.2% $1K–$15K
0.1% of NW
11.8 ↗ filing
Scott Franklin House SELL ◆ insider convergence · moderate Self · Fidelity Traditional IRA 2025-01-28 49 days -6.2% $50K–$100K
1.0% of NW
49.6 ↗ filing
James Comer House BUY Self 2025-01-02 1 days +0.7% $1K–$15K
0.1% of NW
66.7 ↗ filing
Lisa McClain House BUY ◆ insider divergence · moderate Spouse · Charles Schwab Brokerage Account 548 2024-12-11 243 days -0.2% $1K–$15K
0.1% of NW
82.5 ↗ filing
Marjorie Taylor Greene House BUY ◆ insider divergence · moderate Self 2024-11-25 1 days +1.1% $1K–$15K 33.6 ↗ filing
Valerie Hoyle House BUY ◆ insider divergence · moderate Spouse · Fidelity Rollover IRA 2024-10-29 317 days +9.1% $1K–$15K
0.8% of NW
69.5 ↗ filing
Marjorie Taylor Greene House BUY ◆ insider divergence · moderate Self 2024-10-04 3 days -1.1% $1K–$15K 31.8 ↗ filing
Scott Franklin House BUY ◆ insider divergence · moderate Spouse · Fidelity Roth IRA C: Our broker purchased shares of 29 stocks in my spouse's Roth IRA on 8/7/24 in o 2024-08-07 285 days — $1K–$15K
0.1% of NW
7.6 ↗ filing
Scott Franklin House SELL ◆ insider convergence · moderate Self · Fidelity Traditional IRA 2024-08-06 10 days — $15K–$50K
0.4% of NW
30.0 ↗ filing
Scott Franklin House SELL ◆ insider convergence · moderate Self · Fidelity Roth IRA 2024-08-01 15 days — $1K–$15K
0.1% of NW
27.4 ↗ filing
Kathy Manning House BUY ◆ insider divergence · moderate Spouse · Kathy Manning GST FBO Randall Kaplan > ManKap Family LLC > MV Capital - Brokerage #2 2024-07-02 43 days — $1K–$15K
0.1% of NW
8.0 ↗ filing
Marjorie Taylor Greene House BUY ◆ insider divergence · moderate Self 2024-06-24 0 days — $1K–$15K 52.4 ↗ filing
Greg Landsman House BUY ◆ insider divergence Joint · Rockefeller Capital Management (1) 2024-05-15 85 days — $1K–$15K
0.6% of NW
29.9 ↗ filing
Pete Sessions House BUY ◆ insider divergence · moderate Spouse · Trust One 2024-01-31 2 days — $1K–$15K
0.2% of NW
14.3 ↗ filing
Kathy Manning House BUY ◆ insider divergence · moderate Spouse · Kathy Manning GST FBO Randall Kaplan > ManKap Family LLC > MV Capital - Brokerage #2 2024-01-23 10 days — $15K–$50K
0.3% of NW
54.3 ↗ filing
Kathy Manning House BUY ◆ insider divergence · moderate Spouse · MV Capital - GST Exempt Trust #2 2024-01-23 10 days — $1K–$15K
0.1% of NW
32.9 ↗ filing
Kathy Manning House BUY ◆ insider divergence · moderate Spouse · The 2011 Randall R. Kaplan Living Trust > MV Capital - Brokerage #2 2024-01-23 10 days — $1K–$15K
0.1% of NW
32.9 ↗ filing
Kevin Hern House BUY ◆ insider divergence · moderate Joint · Hern Family Revocable Trust > Brokerage Investment Account 2024-01-12 3 days — $1K–$15K
0.1% of NW
32.9 ↗ filing
Jared Moskowitz House BUY ◆ insider divergence · moderate Self · Morgan Stanley Active Assets (1) 2023-12-28 228 days — $1K–$15K
0.3% of NW
50.5 ↗ filing
John Curtis House SELL ◆ insider convergence · moderate Joint · Northwestern Mutual - Joint 2023-12-04 0 days — $1K–$15K 22.3 ↗ filing
Greg Stanton House SELL ◆ insider convergence · moderate Spouse 2023-10-24 2 days — $1K–$15K
0.5% of NW
40.4 ↗ filing
Greg Stanton House BUY ◆ insider divergence · moderate Spouse 2023-09-26 25 days — $1K–$15K
0.5% of NW
75.9 ↗ filing
Jared Moskowitz House BUY ◆ insider divergence Self · Morgan Stanley Active Assets (1) 2023-07-14 395 days — $1K–$15K
0.3% of NW
40.4 ↗ filing
Scott Franklin House BUY ◆ insider divergence · moderate Self · Fidelity Roth IRA 2023-04-19 5 days — $1K–$15K
0.1% of NW
75.9 ↗ filing
Richard Dean McCormick House BUY ◆ insider divergence · moderate Self · Growth Partners Roth IRA 2023-03-15 26 days — $1K–$15K
0.7% of NW
86.8 ↗ filing
John Curtis House SELL ◆ insider convergence · moderate Joint · Northwestern Mutual - Joint 2023-02-23 13 days — $1K–$15K 59.5 ↗ filing
Jared Moskowitz House BUY ◆ insider divergence · moderate Child · Morgan Stanley Active Assets (5) 2023-02-21 7 days — $1K–$15K
0.3% of NW
86.8 ↗ filing
Kevin Hern House SELL ◆ insider convergence · moderate Joint · Kevin Hern Insurance Trust 2023-01-31 1 days — $1K–$15K
0.1% of NW
50.5 ↗ filing
Daniel Goldman House SELL ◆ insider convergence · moderate Self · Daniel Goldman Grandchildren 1986 Trust > TACS R3K 2023-01-31 9 days — $15K–$50K
<0.1% of NW
96.4 ↗ filing
Greg Landsman House BUY ◆ insider divergence · moderate Spouse · Sarah Landsman Traditional IRA 2023-01-12 574 days — $1K–$15K
0.6% of NW
75.9 ↗ filing
Ed Perlmutter House BUY Spouse 2022-11-10 36 days — $1K–$15K 8.6 ↗ filing
Kathy Manning House SELL Spouse · The 2011 Randall R. Kaplan Living Trust > MV Capital - Brokerage #3 2022-10-12 23 days — $1K–$15K
0.1% of NW
22.3 ↗ filing
Kathy Manning House BUY Spouse · The 2011 Randall R. Kaplan Living Trust > MV Capital - Brokerage #3 2022-08-05 32 days — $1K–$15K
0.1% of NW
40.4 ↗ filing
Kathy Manning House BUY Spouse · The 2011 Randall R. Kaplan Living Trust > MV Capital - Brokerage #3 2022-07-15 18 days — $1K–$15K
0.1% of NW
75.9 ↗ filing
David McKinley House SELL Self · IRA's > IRA- Spouse 2022-07-07 24 days — $1K–$15K 2.6 ↗ filing
Ed Perlmutter House SELL Spouse 2022-04-22 17 days — $1K–$15K 10.6 ↗ filing
Donald Sternoff Beyer House BUY Joint 2022-01-31 1 days — $1K–$15K
<0.1% of NW
5.5 ↗ filing
Ed Perlmutter House SELL Spouse 2021-11-26 24 days — $1K–$15K 26.5 ↗ filing
Pete Sessions House SELL Self 2021-11-16 87 days — $1K–$15K
0.2% of NW
12.3 ↗ filing
Donald Sternoff Beyer House BUY Joint 2021-09-17 2 days — $1K–$15K
<0.1% of NW
28.4 ↗ filing
Zoe Lofgren House BUY Spouse 2021-09-02 35 days — $1K–$15K
0.1% of NW
50.5 ↗ filing
Kevin Hern House BUY Joint 2021-08-25 1 days — $250K–$500K
4.5% of NW 🔥
93.9 ↗ filing
Marjorie Taylor Greene House BUY Joint 2021-07-19 3 days — $1K–$15K 86.8 ↗ filing
Marie Newman House BUY Spouse 2021-07-13 20 days — $15K–$50K 94.9 ↗ filing
Rick Larsen House BUY Self · Richard R Larsen IRA > Ameriprise SPS Managed Account 2021-03-31 778 days — $1K–$15K
0.7% of NW
75.9 ↗ filing
Donald Sternoff Beyer House SELL Joint 2021-03-18 2 days — $1K–$15K
<0.1% of NW
18.1 ↗ filing
David McKinley House BUY Self 2021-02-22 7 days — $1K–$15K 2.6 ↗ filing
Peter Meijer House SELL Self 2021-02-16 3 days — $15K–$50K 96.4 ↗ filing
John Yarmuth House SELL Self 2021-01-28 13 days — $1K–$15K 31.8 ↗ filing
Gilbert Cisneros House BUY Self 2020-12-31 8 days — $1K–$15K
0.1% of NW
8.6 ↗ filing
Gilbert Cisneros House BUY Self 2020-12-23 16 days — $1K–$15K
0.1% of NW
10.6 ↗ filing
Donald Sternoff Beyer House BUY Joint 2020-11-13 0 days — $1K–$15K
<0.1% of NW
19.6 ↗ filing
Katherine Clark House SELL Spouse 2020-11-05 53 days — $1K–$15K
0.1% of NW
40.4 ↗ filing
Donald Sternoff Beyer House BUY Joint 2020-11-02 0 days — $1K–$15K
<0.1% of NW
33.6 ↗ filing
Katherine Clark House BUY Spouse 2020-10-22 36 days — $1K–$15K
0.1% of NW
93.1 ↗ filing
Ed Perlmutter House BUY Spouse 2020-10-07 44 days — $1K–$15K 50.5 ↗ filing
Donald Sternoff Beyer House BUY Joint 2020-08-27 8 days — $1K–$15K
<0.1% of NW
22.3 ↗ filing
Joe Courtney House SELL Spouse 2020-08-07 0 days — $1K–$15K
0.6% of NW
52.4 ↗ filing
Donald Sternoff Beyer House SELL Joint 2020-07-14 18 days — $1K–$15K
<0.1% of NW
52.4 ↗ filing
Gilbert Cisneros House BUY Self 2020-07-13 37 days — $1K–$15K
0.1% of NW
26.5 ↗ filing
Robert Wittman House BUY Self 2020-07-02 5 days — $1K–$15K
0.2% of NW
86.8 ↗ filing
Gilbert Cisneros House BUY Self 2020-06-12 27 days — $15K–$50K
0.3% of NW
54.0 ↗ filing
Josh Gottheimer House SELL Joint 2020-06-08 28 days — $1K–$15K
<0.1% of NW
22.3 ↗ filing
David McKinley House BUY Joint 2020-04-30 0 days — $1K–$15K 5.5 ↗ filing
David McKinley House BUY Self 2020-04-30 0 days — $1K–$15K 5.5 ↗ filing
Ed Perlmutter House SELL Spouse 2020-04-22 42 days — $1K–$15K 65.2 ↗ filing
Dean Phillips House SELL Self 2020-04-02 34 days — $15K–$50K
0.1% of NW
97.6 ↗ filing
John Curtis House BUY Self 2020-03-27 0 days — $1K–$15K 95.6 ↗ filing
Donald Sternoff Beyer House BUY Joint 2020-03-24 13 days — $1K–$15K
<0.1% of NW
95.6 ↗ filing
Zoe Lofgren House SELL Spouse 2020-03-23 0 days — $1K–$15K
0.1% of NW
65.2 ↗ filing
David McKinley House SELL Joint 2020-03-23 8 days — $1K–$15K 47.1 ↗ filing
John Yarmuth House BUY Self 2020-03-19 21 days — $1K–$15K 65.2 ↗ filing
Ed Perlmutter House BUY Spouse 2020-03-18 77 days — $1K–$15K 95.6 ↗ filing
David McKinley House SELL Self 2020-03-09 22 days — $1K–$15K 29.6 ↗ filing
Joe Courtney House BUY Spouse 2019-12-31 0 days — $1K–$15K
0.6% of NW
75.9 ↗ filing
John Larson House SELL Self 2019-12-18 16 days — $1K–$15K
0.3% of NW
75.9 ↗ filing
Kevin Hern House BUY Joint 2019-11-07 1 days — $1K–$15K
0.1% of NW
75.9 ↗ filing
Josh Gottheimer House SELL Joint 2019-09-16 21 days — $1K–$15K
<0.1% of NW
40.4 ↗ filing
Elizabeth Fletcher House SELL Spouse 2019-07-09 3 days — $1K–$15K
0.2% of NW
31.8 ↗ filing
Thomas Suozzi House SELL Self 2019-06-18 12 days — $15K–$50K
0.3% of NW
63.1 ↗ filing
Elizabeth Fletcher House SELL Self 2019-05-31 14 days — $1K–$15K
0.2% of NW
52.4 ↗ filing
Nicholas Taylor House SELL Spouse 2019-03-25 0 days — $1K–$15K 52.4 ↗ filing
Gilbert Cisneros House BUY Self 2019-03-14 26 days — $1K–$15K
0.1% of NW
52.4 ↗ filing
Gilbert Cisneros House SELL Self 2019-03-13 27 days — $15K–$50K
0.3% of NW
94.9 ↗ filing
Elizabeth Fletcher House BUY Spouse 2019-02-26 52 days — $1K–$15K
0.2% of NW
86.8 ↗ filing
David McKinley House BUY Joint 2019-01-14 18 days — $15K–$50K 53.4 ↗ filing
Nicholas Taylor House BUY Spouse 2019-01-04 0 days — $1K–$15K 93.1 ↗ filing
David McKinley House BUY Self 2018-12-20 11 days — $1K–$15K 33.6 ↗ filing
Lamar Smith House BUY Self 2018-12-19 19 days — $1K–$15K 25.2 ↗ filing
John Yarmuth House BUY Self 2018-10-18 20 days — $1K–$15K 86.8 ↗ filing
Josh Gottheimer House BUY Joint 2018-10-11 25 days — $1K–$15K
<0.1% of NW
86.8 ↗ filing
Gary Palmer House SELL Spouse 2018-10-05 0 days — $1K–$15K
0.3% of NW
52.4 ↗ filing
Pete Sessions House SELL Self 2018-09-27 1 days — $15K–$50K
0.9% of NW
48.5 ↗ filing
Lamar Smith House SELL Self 2018-08-30 32 days — $1K–$15K 14.1 ↗ filing
Pete Sessions House SELL Spouse 2017-09-18 0 days — $1K–$15K
0.2% of NW
4.5 ↗ filing
David McKinley House BUY Self 2017-09-14 16 days — $15K–$50K 54.0 ↗ filing
Thomas Suozzi House BUY Self 2017-08-17 14 days — $1K–$15K
0.1% of NW
86.8 ↗ filing
Pete Sessions House BUY Spouse 2017-06-29 0 days — $1K–$15K
0.2% of NW
25.7 ↗ filing
Gary Palmer House BUY Spouse 2017-06-26 0 days — $1K–$15K
0.3% of NW
93.1 ↗ filing
Pete Sessions House BUY Spouse 2017-06-19 1 days — $1K–$15K
0.2% of NW
28.4 ↗ filing
Lamar Smith House SELL Self 2017-06-19 14 days — $1K–$15K 17.4 ↗ filing
Alan Lowenthal House SELL Spouse 2017-06-16 7 days — $15K–$50K 47.4 ↗ filing
Zoe Lofgren House BUY Spouse 2017-06-15 27 days — $1K–$15K
0.1% of NW
93.1 ↗ filing
Lamar Smith House SELL Self 2017-06-01 32 days — $1K–$15K 18.1 ↗ filing
Alan Lowenthal House SELL Spouse 2017-05-10 7 days — $1K–$15K 26.5 ↗ filing
Richard Allen House BUY Spouse · LIVTR 2017-04-27 39 days — $15K–$50K
1.4% of NW
90.9 ↗ filing
Susan Davis House SELL Self 2016-11-30 5 days — $15K–$50K 56.6 ↗ filing
Lamar Smith House BUY Self 2016-11-10 21 days — $1K–$15K 19.6 ↗ filing
Debbie Dingell House BUY Spouse 2016-11-04 3 days — $1K–$15K
0.1% of NW
59.5 ↗ filing
Pete Sessions House BUY Spouse 2016-10-06 0 days — $1K–$15K
0.2% of NW
18.1 ↗ filing
Pete Sessions House BUY Spouse 2016-10-04 0 days — $1K–$15K
0.2% of NW
10.6 ↗ filing
Pete Sessions House BUY Spouse 2016-10-03 0 days — $1K–$15K
0.2% of NW
15.7 ↗ filing
Michael Conaway House SELL Spouse 2016-09-12 3 days — $1K–$15K 19.6 ↗ filing
Alan Lowenthal House SELL Spouse 2016-09-12 4 days — $1K–$15K 31.8 ↗ filing
David Price House BUY Self 2016-05-06 7 days — $1K–$15K 50.5 ↗ filing
Ed Whitfield House BUY Spouse 2016-05-06 25 days — $1K–$15K 59.5 ↗ filing
Debbie Dingell House BUY Spouse 2016-04-26 6 days — $15K–$50K
0.3% of NW
96.4 ↗ filing
Lamar Smith House BUY Self 2016-03-08 28 days — $1K–$15K 15.7 ↗ filing
Ed Whitfield House BUY Spouse 2016-01-21 10 days — $1K–$15K 75.9 ↗ filing
Pete Sessions House BUY Spouse 2015-08-27 0 days — $1K–$15K
0.2% of NW
31.8 ↗ filing
David Price House BUY Joint 2015-08-24 7 days — $1K–$15K 52.4 ↗ filing
Brad Ashford House SELL Self 2015-07-21 0 days — $1K–$15K 40.4 ↗ filing
Alan Lowenthal House BUY Spouse 2015-07-07 3 days — $1K–$15K 59.5 ↗ filing
Brad Ashford House BUY Self 2015-07-02 0 days — $1K–$15K 93.1 ↗ filing
Pete Sessions House BUY Spouse 2015-06-12 0 days — $15K–$50K
0.9% of NW
67.2 ↗ filing
Pete Sessions House BUY Spouse 2015-06-01 0 days — $1K–$15K
0.2% of NW
75.9 ↗ filing
Alan Lowenthal House BUY Spouse 2015-04-20 12 days — $15K–$50K 90.9 ↗ filing
Lamar Smith House SELL Self 2015-04-14 22 days — $1K–$15K 31.8 ↗ filing
Michael Conaway House SELL Spouse 2015-03-16 3 days — $1K–$15K 26.5 ↗ filing
Michael Conaway House SELL Spouse 2015-02-09 3 days — $1K–$15K 31.8 ↗ filing
Thomas MacArthur House SELL Self 2015-01-27 5 days — $1K–$15K 86.8 ↗ filing
Susan Davis House SELL Self 2014-12-10 5 days — $15K–$50K 94.9 ↗ filing
Lamar Smith House SELL Self 2014-11-11 20 days — $1K–$15K 52.4 ↗ filing
Michael Conaway House BUY Spouse 2014-09-24 5 days — $1K–$15K 40.4 ↗ filing
David McKinley House SELL Self 2014-08-19 10 days — $1K–$15K 40.4 ↗ filing
David Price House BUY Joint 2014-06-18 5 days — $1K–$15K 75.9 ↗ filing
Lamar Smith House SELL Self 2014-04-24 12 days — $1K–$15K 75.9 ↗ filing
David McKinley House BUY Self 2014-03-07 418 days — $1K–$15K 75.9 ↗ filing
Michael Conaway House BUY Spouse 2014-01-27 3 days — $1K–$15K 75.9 ↗ filing

Corporate insiders · SEC Form 4 Insider Activity

What the company's own officers and directors did in COST — open-market purchases and sales from SEC Form 4 filings (option exercises, grants and tax withholding are excluded). This is context for the congressional activity above, never a buy/sell signal, and the two datasets are kept separate on purpose. Does convergence mean anything? →

23
Congress trades with insider convergence
28
…with insider divergence
71
Insider open-market trades

Of the congressional trades in COST, 23 coincided with corporate insiders moving the same way within 60 days, and 28 with insiders moving the opposite way. This is co-occurrence only — whether it carries any edge is tested honestly on the convergence page.

DateInsiderRoleTypeSizeSource
2026-10-13 Wilcox William Richard Other SELL $1.1M ↗ EDGAR
2026-09-29 Adamo Claudine Other SELL $2.0M ↗ EDGAR
2026-09-29 Frates Caton Other SELL $733K ↗ EDGAR
2026-06-23 DENMAN KENNETH D Director SELL $847K ↗ EDGAR
2026-04-01 Frates Caton Other SELL $695K ↗ EDGAR
2026-03-09 Adamo Claudine Other SELL $732K ↗ EDGAR
2026-01-21 Jones Teresa A. Other SELL $838K ↗ EDGAR
2026-01-16 DECKER SUSAN L Director SELL $437K ↗ EDGAR
2026-01-14 Klauer James C Other SELL $1.4M ↗ EDGAR
2026-01-09 Miller Russell D Other SELL $1.4M ↗ EDGAR
2025-12-30 POLIT JAVIER Other SELL $482K ↗ EDGAR
2025-12-29 POLIT JAVIER Other SELL $1.8M ↗ EDGAR
2025-11-07 Wilcox William Richard Other SELL $2.2M ↗ EDGAR
2025-10-24 Adamo Claudine Other SELL $2.5M ↗ EDGAR
2025-10-24 Barbre Tiffany Marie Other SELL $1.2M ↗ EDGAR
2025-09-29 Frates Caton Other SELL $1.4M ↗ EDGAR
2025-09-29 Miller Russell D Other SELL $3.1M ↗ EDGAR
2025-08-20 Jones Teresa A. Other SELL $595K ↗ EDGAR
2025-07-14 Rubanenko Yoram Other SELL $3.9M ↗ EDGAR
2025-06-18 DECKER SUSAN L Director SELL $535K ↗ EDGAR
2025-06-18 DECKER SUSAN L Director SELL $978 ↗ EDGAR
2025-06-09 Callans Patrick J Other SELL $3.0M ↗ EDGAR
2025-06-06 Riel Pierre Other SELL $2.0M ↗ EDGAR
2025-04-17 Klauer James C Other SELL $3.9M ↗ EDGAR
2025-03-27 MILLERCHIP GARY Other SELL $1.0M ↗ EDGAR

Combined timeline — Congress & insiders

Both sets of trades on one timeline, newest first, so you can see when they lined up. Congress vs ◆ insider.

DateWhoTypeSize
Congress 2026-10-13 Pete Sessions SELL $100K–$250K
◆ insider 2026-10-13 Wilcox William Richard Other SELL $1.1M
◆ insider 2026-09-29 Adamo Claudine Other SELL $2.0M
◆ insider 2026-09-29 Frates Caton Other SELL $733K
Congress 2026-09-18 Richard Allen SELL $1K–$15K
Congress 2026-07-30 Richard Dean McCormick SELL $1K–$15K
Congress 2026-07-10 Dan Newhouse BUY $1K–$15K
◆ insider 2026-06-23 DENMAN KENNETH D Director SELL $847K
◆ insider 2026-04-01 Frates Caton Other SELL $695K
Congress 2026-03-27 Alan Armstrong BUY $1K–$15K
◆ insider 2026-03-09 Adamo Claudine Other SELL $732K
Congress 2026-01-30 Gilbert Cisneros BUY $1K–$15K
◆ insider 2026-01-21 Jones Teresa A. Other SELL $838K
◆ insider 2026-01-16 DECKER SUSAN L Director SELL $437K
◆ insider 2026-01-14 Klauer James C Other SELL $1.4M
◆ insider 2026-01-09 Miller Russell D Other SELL $1.4M
◆ insider 2025-12-30 POLIT JAVIER Other SELL $482K
◆ insider 2025-12-29 POLIT JAVIER Other SELL $1.8M
Congress 2025-12-24 Gilbert Cisneros SELL $1K–$15K
◆ insider 2025-11-07 Wilcox William Richard Other SELL $2.2M
Congress 2025-11-05 Richard Dean McCormick BUY $1K–$15K
◆ insider 2025-10-24 Adamo Claudine Other SELL $2.5M
◆ insider 2025-10-24 Barbre Tiffany Marie Other SELL $1.2M
Congress 2025-10-17 Gilbert Cisneros BUY $1K–$15K

FAQ Common questions

How much has Congress traded COST?

94 disclosed buys and 67 sells of COST (Costco Wholesale Corp.) appear in official congressional financial disclosures.

Is it legal for members of Congress to trade COST?

Members of Congress may trade stocks but must disclose it under the STOCK Act. QuantCapitol tracks those public disclosures for transparency — nothing here is an accusation of wrongdoing or investment advice.

Where does this data come from?

Official US House Clerk and Senate electronic financial disclosures. Every trade links back to its original filing so you can verify it yourself.

About this data. Sourced from official House Clerk and Senate eFD financial disclosures (Senate via a maintained community mirror — see project documentation). Transaction amounts are reported as ranges, not exact figures. Interest scores, consensus labels, and backtested performance are proprietary analytical calculations based on public data and are not investment advice. Backtested performance is a hypothetical simulation, not actual portfolio performance.