Every trade Cynthia Lummis (U.S. Senate, Wyoming) disclosed under the STOCK Act: what was bought and sold, how the stock purchases did against the S&P 500 and how long each disclosure took. Data as of Oct 20, 2026.
Cynthia Lummis (U.S. Senate, Wyoming) disclosed 2 trades between Aug 16, 2021 and Sep 3, 2021 in STOCK Act periodic transaction reports, 1 of them in individual stocks: 1 purchase and 0 sales. Their estimated volume is $83,001, from the midpoints of the disclosed ranges. Every trade was in a self or joint account.
| Measure | Cynthia Lummis |
|---|---|
| Chamber | U.S. Senate, Wyoming |
| Trades disclosed | 2 |
| Stock trades | 1 (1 buy, 0 sales) |
| First and latest trade | Aug 16, 2021 – Sep 3, 2021 |
| Estimated volume | $83,001 |
| Account owner | Self or joint 100% |
| Stock | Company | Trades |
|---|---|---|
| J | Jacobs Solutions Inc. | 1 |
By sector: Industrials (1). Counts of disclosed trades in each stock, buys and sales together, before the last 30 days.
Exent scored 1 disclosed stock purchase by Cynthia Lummis against the S&P 500. Over the 12 months after each trade they beat the S&P 500 by an average of 0.7 percentage points, and 100.0% of the 1 purchases that are a year old beat the index. Measured from the disclosure date, the first day the public could see each trade, the 12‑month figure was +0.3%. Cynthia Lummis is not ranked: the ranking needs at least 20 purchases that are a year old.
| Measure | Cynthia Lummis | All members |
|---|---|---|
| Stock buys scored | 1 | 24,613 |
| Average vs S&P 500, 3 months | +3.3% | −0.1% |
| Average vs S&P 500, 12 months | +0.7% | −0.4% |
| Buys that beat it over 12 months | 100.0% | 43.2% |
| 12 months from the disclosure date | +0.3% | −0.8% |
| Rank | Not ranked | — |
The 10 members with the best records by this measure are named in Exent Radar, with their latest trades.
1 of Cynthia Lummis’s 2 disclosed trades (50.0%) were reported more than 45 days after the trade, the STOCK Act deadline. The median trade was disclosed 43 days after it was made; the longest delay was 52 days.
| Measure | Cynthia Lummis | All members |
|---|---|---|
| Median days to disclose | 43 days | 28 days |
| Disclosed after 45 days | 50.0% | 14.9% |
| Longest delay | 52 days | — |
Trades disclosed before Sep 20, 2026 are listed below, newest first, each with a link to the original filing.
Members of Congress report each trade over $1,000 in stocks, bonds and other securities, by themselves, their spouse or dependent children, in periodic transaction reports under the STOCK Act, filed with the House Clerk and the Senate. A trade must be reported within 45 days. Exent reads these public financial disclosures; every trade listed here links to its original filing.
Amounts are disclosed as ranges ($1,001–$15,000, $15,001–$50,000 and up), so dollar volumes are estimates from the midpoint of each range. Returns compare each disclosed purchase of a listed stock with the S&P 500 (SPY): total return with dividends from the close on the trade date to 3 and 12 months later, and again from the disclosure date, the first day the public could see the trade. Sales are not scored. The ranking covers members with at least 20 purchases that are a year old.
Trades disclosed in the last 30 days are counted but not listed; they are in Exent Radar, with the records of the top 10 performers. The disclosures carry no party labels: this is the public record of what was traded and when it was disclosed. Data as of Oct 20, 2026. How to read a filing yourself: Congress stock trading: how to see what members bought.
Past performance does not guarantee future results. Historical figures are calculated by Exent from market data and are for education only; they are not investment advice or a recommendation to buy or sell any security.
In STOCK Act disclosures, the stocks Cynthia Lummis traded most often are J (1 trade). Of 2 disclosed trades, 1 were in individual stocks. Periodic transaction reports show trades, not full holdings.
Cynthia Lummis's disclosed stock purchases beat the S&P 500 by an average of 0.7 percentage points over the 12 months after each trade (1 purchases a year old), and 100.0% of them beat the index. Measured from the disclosure date the average was +0.3%. Past results do not predict future ones.
1 of 2 disclosed trades (50.0%) were reported after the STOCK Act's 45-day deadline. The median trade was disclosed 43 days after it was made, the longest 52 days; across Congress the median is 28 days.
Exent Radar shows trades by members of Congress, company insiders and big funds as they are disclosed, with the records of the top performers.
Educational content, not investment advice. Examples are illustrative; past performance does not guarantee future results.