COST Congressional Trades
40 trades by 9 members of Congress (Jun 2015 – Jan 2026)
Last updated March 21, 2026
Congress members who trade COST
Recent COST trades
| Date | Politician | Action | Amount | Alpha |
|---|---|---|---|---|
| 2026-01-30 | Gilbert Cisneros | BUY | $1K-$15K | -15.52% |
| 2025-12-29 | Markwayne Mullin | BUY | $15K-$50K | +19.92% |
| 2025-12-24 | Gilbert Cisneros | SELL | $1K-$15K | — |
| 2025-10-17 | Gilbert Cisneros | BUY | $1K-$15K | -10.80% |
| 2025-10-09 | John Boozman | BUY | $1K-$15K | +5.56% |
| 2025-07-10 | Lisa Mcclain | SELL | $1K-$15K | — |
| 2025-06-17 | Lisa Mcclain | BUY | $1K-$15K | +2.55% |
| 2025-06-09 | Lisa Mcclain | SELL | $1K-$15K | — |
| 2025-01-28 | Scott Scott Franklin | SELL | $1K-$15K | — |
| 2025-01-28 | Scott Scott Franklin | SELL | $50K-$100K | — |
| 2024-12-11 | Lisa Mcclain | BUY | $1K-$15K | -5.49% |
| 2024-08-07 | Scott Scott Franklin | BUY | $1K-$15K | +1.76% |
| 2024-01-31 | Pete Sessions | BUY | $1K-$15K | -28.56% |
| 2023-10-03 | Markwayne Mullin | BUY | $1K-$15K | +21.38% |
| 2023-09-18 | Markwayne Mullin | BUY | $15K-$50K | +29.92% |
| 2022-07-01 | Shelley Moore Capito | BUY | $1K-$15K | +29.04% |
| 2021-11-16 | Pete Sessions | SELL | $1K-$15K | — |
| 2020-12-31 | Gilbert Cisneros | BUY | $1K-$15K | +90.50% |
| 2020-12-23 | Gilbert Cisneros | BUY | $1K-$15K | +98.48% |
| 2020-07-13 | Gilbert Cisneros | BUY | $1K-$15K | +101.93% |
| 2020-06-12 | Gilbert Cisneros | BUY | $15K-$50K | +119.90% |
| 2020-06-11 | Gilbert Cisneros | BUY | $15K-$50K | +114.90% |
| 2020-06-08 | Josh Gottheimer | SELL | $1K-$15K | — |
| 2019-09-16 | Josh Gottheimer | SELL | $1K-$15K | — |
| 2019-06-18 | Thomas Suozzi | SELL | $15K-$50K | — |
| 2019-03-14 | Gilbert Cisneros | BUY | $1K-$15K | +195.69% |
| 2019-03-13 | Gilbert Cisneros | SELL | $15K-$50K | — |
| 2018-10-11 | Josh Gottheimer | BUY | $1K-$15K | +19.86% |
| 2018-09-27 | Pete Sessions | SELL | $15K-$50K | — |
| 2017-09-18 | Pete Sessions | SELL | $1K-$15K | — |
Showing 30 of 40 trades
Frequently Asked Questions
Which Congress members trade COST?
9 members of Congress have traded COST. Top traders include: Thomas Suozzi, Shelley Moore Capito, Markwayne Mullin, Scott Scott Franklin, John Boozman. See the full list below.
Is Congress buying or selling COST?
Congress has made 28 purchases and 12 sales of COST. The buy/sell ratio is 2.3x.
Do Congress COST trades beat the market?
Congressional trades in COST have a 83% win rate against the S&P 500, with an average alpha of +86.8%.
How is alpha calculated?
Alpha measures how much a trade outperformed the S&P 500 over the same holding period. For each politician, we show their dollar-weighted alpha—larger positions count more. A politician with +404% alpha on NVDA means their NVDA trades, weighted by size, beat the market by 404 percentage points.
What does the win rate mean?
Win rate is the percentage of trades that beat the S&P 500. Note that win rate treats all trades equally—a $5K trade counts the same as a $5M trade. This is why some traders show high alpha but moderate win rates (big wins, small losses) or low alpha but high win rates (consistent small wins).