*Notional-weighted price return on lawmakers' disclosed buys of COST, marked to the latest close — per-share (share counts aren't disclosed).
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2025-12-29 | Markwayne Mullin | BUY | $15K–$50K | $867.84 | $952.54 2026-06-26 | +9.8% |
| 2025-11-05 | Hon. Richard Dean Dr McCormick | BUY | $1K–$15K | $935.03 | $952.54 2026-06-26 | +1.9% |
| 2025-10-17 | Shelley M Capito | SELL | $1K–$15K | $936.33 | $952.54 2026-06-26 | +92.8% rt |
| 2025-10-09 | John Boozman | BUY | $1K–$15K | $942.89 | $952.54 2026-06-26 | +1.0% |
| 2025-03-17 | Hon. Marjorie Taylor Greene | BUY | $1K–$15K | $916.61 | $952.54 2026-06-26 | +3.9% |
| 2025-02-26 | Hon. Greg Landsman | SELL | $1K–$15K | $1031.97 | $952.54 2026-06-26 | +7.7% exit |
| 2025-01-28 | Hon. Scott Scott Franklin | SELL | $50K–$100K | $958.67 | $952.54 2026-06-26 | +18.3% rt |
| 2025-01-28 | Hon. Scott Scott Franklin | SELL | $1K–$15K | $958.67 | $952.54 2026-06-26 | +0.6% exit |
| 2025-01-02 | Hon. James Comer | BUY | $1K–$15K | $909.81 | $952.54 2026-06-26 | +4.7% |
| 2024-11-25 | Hon. Marjorie Taylor Mrs Greene | BUY | $1K–$15K | $960.89 | $952.54 2026-06-26 | -0.9% |
| 2024-10-04 | Hon. Marjorie Taylor Mrs Greene | BUY | $1K–$15K | $883.11 | $952.54 2026-06-26 | +7.9% |
| 2024-08-07 | Hon. Scott Scott Franklin | BUY | $1K–$15K | $810.30 | $952.54 2026-06-26 | +17.6% |
| 2024-06-24 | Hon. Marjorie Taylor Mrs Greene | BUY | $1K–$15K | $848.16 | $952.54 2026-06-26 | +12.3% |
| 2024-01-31 | Hon. Pete Sessions | BUY | $1K–$15K | $694.88 | $952.54 2026-06-26 | +37.1% |
| 2024-01-12 | Hon. Kevin Hern | BUY | $1K–$15K | $683.24 | $952.54 2026-06-26 | +39.4% |
| 2023-10-03 | Markwayne Mullin | BUY | $1K–$15K | $565.04 | $952.54 2026-06-26 | +68.6% |
| 2023-09-18 | Markwayne Mullin | BUY | $15K–$50K | $562.72 | $952.54 2026-06-26 | +69.3% |
| 2023-08-22 | Daniel S Sullivan | SELL | $1K–$15K | $538.37 | $952.54 2026-06-26 | -76.9% exit |
| 2023-08-22 | Daniel S Sullivan | SELL | $1K–$15K | $538.37 | $952.54 2026-06-26 | -76.9% exit |
| 2023-04-19 | Hon. Scott Mr Franklin | BUY | $50K–$100K | $496.03 | $952.54 2026-06-26 | +92.0% |
| 2023-04-19 | Hon. Scott Mr Franklin | BUY | $1K–$15K | $496.03 | $952.54 2026-06-26 | +92.0% |
| 2023-03-15 | Hon. Richard Dean Dr McCormick | BUY | $1K–$15K | $485.66 | $952.54 2026-06-26 | +96.1% |
| 2023-02-23 | Hon. John Curtis | SELL | $1K–$15K | $493.14 | $952.54 2026-06-26 | -93.2% exit |
| 2023-02-21 | Hon. Jared Moskowitz | BUY | $1K–$15K | $501.74 | $952.54 2026-06-26 | +89.8% |
| 2022-11-10 | Hon. Ed Perlmutter | BUY | $1K–$15K | $513.13 | $952.54 2026-06-26 | +85.6% |
| 2022-07-07 | Hon. David B. McKinley | SELL | $1K–$15K | $494.95 | $952.54 2026-06-26 | +41.3% rt |
| 2022-07-01 | Shelley M Capito | BUY | $1K–$15K | $485.76 | $952.54 2026-06-26 | +96.1% |
| 2022-06-10 | Hon. Marjorie Taylor Greene | BUY | $15K–$50K | $463.31 | $952.54 2026-06-26 | +105.6% |
| 2022-04-22 | Hon. Ed Perlmutter | SELL | $1K–$15K | $571.70 | $952.54 2026-06-26 | -66.6% exit |
| 2022-02-28 | Hon. Kurt Schrader | BUY | $1K–$15K | — | — | — |
| 2022-01-31 | Hon. Donald Sternoff Beyer Jr. | BUY | $1K–$15K | $505.13 | $952.54 2026-06-26 | +88.6% |
| 2021-11-26 | Hon. Ed Perlmutter | SELL | $1K–$15K | $546.13 | $952.54 2026-06-26 | +50.4% rt |
| 2021-11-16 | Hon. Pete Sessions | SELL | $1K–$15K | $526.72 | $952.54 2026-06-26 | +250.0% rt |
| 2021-10-28 | Hon. Kim Dr Schrier | SELL | $15K–$50K | $490.53 | $952.54 2026-06-26 | -94.2% exit |
| 2021-09-17 | Hon. Donald Sternoff Honorable Beyer Jr | BUY | $1K–$15K | $459.51 | $952.54 2026-06-26 | +107.3% |
| 2021-08-25 | Hon. Kevin Hern | BUY | $250K–$500K | $451.23 | $952.54 2026-06-26 | +111.1% |
| 2021-08-20 | Hon. Fred Upton | SELL | $1K–$15K | $458.99 | $952.54 2026-06-26 | -107.5% exit |
| 2021-07-30 | Hon. Marie Newman | SELL | $15K–$50K | $429.72 | $952.54 2026-06-26 | +5.6% rt |
| 2021-07-19 | Hon. Marjorie Taylor Greene | BUY | $1K–$15K | $414.15 | $952.54 2026-06-26 | +130.0% |
| 2021-07-13 | Hon. Marie Newman | BUY | $15K–$50K | $407.06 | $952.54 2026-06-26 | +134.0% |
| 2021-03-31 | Hon. Rick Larsen | BUY | $1K–$15K | $352.48 | $952.54 2026-06-26 | +170.2% |
| 2021-02-22 | Hon. David B. McKinley | BUY | $1K–$15K | $350.21 | $952.54 2026-06-26 | +172.0% |
| 2021-01-28 | Hon. John A. Yarmuth | SELL | $1K–$15K | $357.06 | $952.54 2026-06-26 | +56.2% rt |
| 2021-01-27 | Jerry Moran, | SELL | $1K–$15K | $356.39 | $952.54 2026-06-26 | -167.3% exit |
| 2020-12-22 | Pat Roberts | BUY | $15K–$50K | $362.03 | $952.54 2026-06-26 | +163.1% |
| 2020-11-24 | Pat Roberts | BUY | $15K–$50K | $384.22 | $952.54 2026-06-26 | +147.9% |
| 2020-11-24 | Pat Roberts | BUY | $15K–$50K | $384.22 | $952.54 2026-06-26 | +147.9% |
| 2020-11-04 | Pat Roberts | SELL | $15K–$50K | $376.17 | $952.54 2026-06-26 | +147.5% rt |
| 2020-11-04 | Pat Roberts | SELL | $15K–$50K | $376.17 | $952.54 2026-06-26 | -153.2% exit |
| 2020-10-07 | Hon. Ed Perlmutter | BUY | $1K–$15K | $363.02 | $952.54 2026-06-26 | +162.4% |
Return: buys marked to the latest close (open); sells tagged rt are realized round-trips vs a prior disclosed buy; exit = timing (stock move after the sale, seller's perspective).