*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 |
|---|---|---|---|---|---|---|
| 2018-01-17 | Sheldon Whitehouse | SELL | $15K–$50K | $192.29 | $952.54 2026-06-26 | -395.4% exit |
| 2017-10-30 | David A Perdue , Jr | BUY | $1K–$15K | $160.23 | $952.54 2026-06-26 | +494.5% |
| 2017-09-18 | Hon. Pete Sessions | SELL | $1K–$15K | $160.91 | $952.54 2026-06-26 | +5.8% rt |
| 2017-09-14 | Hon. David B. McKinley | BUY | $15K–$50K | $162.37 | $952.54 2026-06-26 | +486.6% |
| 2017-08-10 | Hon. James B. Renacci | BUY | $1K–$15K | $156.64 | $952.54 2026-06-26 | +508.1% |
| 2017-08-07 | Hon. James B. Renacci | BUY | $15K–$50K | $156.95 | $952.54 2026-06-26 | +506.9% |
| 2017-08-07 | Hon. James B. Renacci | BUY | $1K–$15K | $156.95 | $952.54 2026-06-26 | +506.9% |
| 2017-08-03 | Hon. James B. Renacci | SELL | $1K–$15K | $157.91 | $952.54 2026-06-26 | +12.8% rt |
| 2017-08-03 | Hon. James B. Renacci | BUY | $1K–$15K | $157.91 | $952.54 2026-06-26 | +503.2% |
| 2017-06-29 | Hon. Pete Sessions | BUY | $1K–$15K | $158.68 | $952.54 2026-06-26 | +500.3% |
| 2017-06-19 | Hon. Lamar Smith | SELL | $1K–$15K | $164.34 | $952.54 2026-06-26 | +12.0% rt |
| 2017-06-19 | Hon. Pete Sessions | BUY | $1K–$15K | $164.34 | $952.54 2026-06-26 | +479.6% |
| 2017-06-16 | David A Perdue , Jr | BUY | $15K–$50K | $167.11 | $952.54 2026-06-26 | +470.0% |
| 2017-06-16 | Hon. Alan S. Lowenthal | SELL | $15K–$50K | $167.11 | $952.54 2026-06-26 | -470.0% exit |
| 2017-06-01 | Hon. Lamar Smith | SELL | $1K–$15K | $180.63 | $952.54 2026-06-26 | +19.7% rt |
| 2017-05-15 | Hon. James B. Renacci | BUY | $1K–$15K | $171.57 | $952.54 2026-06-26 | +455.2% |
| 2017-05-10 | Hon. Alan S. Lowenthal | SELL | $1K–$15K | $171.35 | $952.54 2026-06-26 | +22.0% rt |
| 2017-03-22 | David A Perdue , Jr | BUY | $1K–$15K | $167.68 | $952.54 2026-06-26 | +468.1% |
| 2016-11-30 | Hon. Susan A. Davis | SELL | $15K–$50K | $150.11 | $952.54 2026-06-26 | -534.6% exit |
| 2016-11-14 | Pat Roberts | BUY | $15K–$50K | $152.00 | $952.54 2026-06-26 | +526.7% |
| 2016-11-10 | Hon. Lamar Smith | BUY | $1K–$15K | $146.70 | $952.54 2026-06-26 | +549.3% |
| 2016-11-04 | Hon. Debbie Dingell | BUY | $1K–$15K | $142.24 | $952.54 2026-06-26 | +569.7% |
| 2016-10-06 | Hon. Pete Sessions | BUY | $1K–$15K | $149.47 | $952.54 2026-06-26 | +537.3% |
| 2016-10-04 | Hon. Pete Sessions | BUY | $1K–$15K | $150.48 | $952.54 2026-06-26 | +533.0% |
| 2016-10-03 | Hon. Pete Sessions | BUY | $1K–$15K | $151.01 | $952.54 2026-06-26 | +530.8% |
| 2016-09-12 | Hon. Alan S. Lowenthal | SELL | $1K–$15K | $151.69 | $952.54 2026-06-26 | +3.7% rt |
| 2016-07-08 | Pat Roberts | SELL | $15K–$50K | $165.44 | $952.54 2026-06-26 | +10.6% rt |
| 2016-05-19 | Hon. James B. Renacci | BUY | $1K–$15K | $142.70 | $952.54 2026-06-26 | +567.5% |
| 2016-05-06 | Hon. Ed Whitfield | BUY | $1K–$15K | $146.44 | $952.54 2026-06-26 | +550.5% |
| 2016-05-06 | Hon. David E. Price | BUY | $1K–$15K | $146.44 | $952.54 2026-06-26 | +550.5% |
| 2016-05-05 | David A Perdue , Jr | BUY | $1K–$15K | $147.84 | $952.54 2026-06-26 | +544.3% |
| 2016-04-26 | Hon. Debbie Dingell | BUY | $15K–$50K | $152.60 | $952.54 2026-06-26 | +524.2% |
| 2016-04-19 | Hon. James B. Renacci | BUY | $1K–$15K | $153.68 | $952.54 2026-06-26 | +519.8% |
| 2016-03-08 | Hon. Lamar Smith | BUY | $1K–$15K | $150.95 | $952.54 2026-06-26 | +531.0% |
| 2016-01-26 | Hon. Ed Whitfield | BUY | $1K–$15K | $148.50 | $952.54 2026-06-26 | +541.4% |
| 2016-01-21 | Hon. Ed Whitfield | BUY | $1K–$15K | $150.38 | $952.54 2026-06-26 | +533.4% |
| 2016-01-13 | Hon. Pete Sessions | BUY | $1K–$15K | $152.12 | $952.54 2026-06-26 | +526.2% |
| 2015-09-03 | Hon. Kenny Marchant | BUY | $1K–$15K | $140.48 | $952.54 2026-06-26 | +578.1% |
| 2015-08-24 | Hon. David E. Price | BUY | $1K–$15K | $132.97 | $952.54 2026-06-26 | +616.4% |
| 2015-07-30 | Hon. James B. Renacci | BUY | $1K–$15K | $145.30 | $952.54 2026-06-26 | +555.6% |
| 2015-07-21 | Hon. Brad Ashford | SELL | $1K–$15K | $144.94 | $952.54 2026-06-26 | +6.3% rt |
| 2015-07-15 | Hon. Kenny Marchant | BUY | $1K–$15K | $143.63 | $952.54 2026-06-26 | +563.2% |
| 2015-07-09 | Hon. James B. Renacci | BUY | $1K–$15K | $139.45 | $952.54 2026-06-26 | +583.1% |
| 2015-07-07 | Hon. Alan S. Lowenthal | BUY | $1K–$15K | $140.50 | $952.54 2026-06-26 | +578.0% |
| 2015-07-02 | Hon. Brad Ashford | BUY | $1K–$15K | $136.39 | $952.54 2026-06-26 | +598.4% |
| 2015-04-24 | Pat Roberts | BUY | $1K–$15K | $148.12 | $952.54 2026-06-26 | +543.1% |
| 2015-04-20 | Hon. Alan S. Lowenthal | BUY | $15K–$50K | $146.31 | $952.54 2026-06-26 | +551.0% |
| 2015-04-14 | Hon. Lamar Smith | SELL | $1K–$15K | $149.52 | $952.54 2026-06-26 | -537.1% exit |
| 2015-03-16 | Hon. K. Michael Conaway | SELL | $1K–$15K | $149.99 | $952.54 2026-06-26 | -535.1% exit |
| 2015-03-06 | Pat Roberts | BUY | $1K–$15K | $149.54 | $952.54 2026-06-26 | +537.0% |
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).