*Notional-weighted price return on lawmakers' disclosed buys of CERN, marked to the latest close — per-share (share counts aren't disclosed).
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2022-06-10 | Hon. Kevin Hern | SELL | $15K–$50K | — | — | — exit |
| 2021-11-18 | Hon. Peter Welch | SELL | $1K–$15K | — | — | — exit |
| 2021-05-12 | Hon. David B. McKinley | SELL | $15K–$50K | — | — | — exit |
| 2021-03-24 | Hon. David B. McKinley | SELL | $15K–$50K | — | — | — exit |
| 2021-02-22 | Hon. David B. McKinley | BUY | $1K–$15K | — | — | — |
| 2020-10-05 | Hon. David B. McKinley | SELL | $1K–$15K | — | — | — exit |
| 2019-07-22 | Hon. Dean Phillips | SELL | $1K–$15K | — | — | — exit |
| 2019-07-09 | Hon. Elizabeth Fletcher | SELL | $1K–$15K | — | — | — exit |
| 2019-06-11 | Hon. Dean Phillips | SELL | $1K–$15K | — | — | — exit |
| 2019-05-31 | Hon. Elizabeth Fletcher | SELL | $1K–$15K | — | — | — exit |
| 2019-04-04 | Hon. Dean Phillips | SELL | $1K–$15K | — | — | — exit |
| 2019-01-14 | Hon. David B. McKinley | SELL | $1K–$15K | — | — | — exit |
| 2019-01-14 | Hon. David B. McKinley | BUY | $15K–$50K | — | — | — |
| 2018-06-07 | Hon. Peter Welch | BUY | $1K–$15K | — | — | — |
| 2018-04-25 | Hon. Peter Welch | SELL | $1K–$15K | — | — | — exit |
| 2018-02-27 | Shelley M Capito | SELL | $1K–$15K | — | — | — exit |
| 2017-09-14 | Hon. David B. McKinley | BUY | $1K–$15K | — | — | — |
| 2017-09-08 | Shelley M Capito | BUY | $1K–$15K | — | — | — |
| 2017-03-16 | Hon. Lamar Smith | SELL | $1K–$15K | — | — | — exit |
| 2017-02-10 | James M Inhofe | SELL | $50K–$100K | — | — | — exit |
| 2017-01-30 | Hon. Cheri Bustos | SELL | $15K–$50K | — | — | — exit |
| 2017-01-13 | Hon. James B. Renacci | BUY | $1K–$15K | — | — | — |
| 2017-01-05 | Hon. Lamar Smith | SELL | $1K–$15K | — | — | — exit |
| 2016-12-21 | Hon. David B. McKinley | SELL | $15K–$50K | — | — | — exit |
| 2016-12-01 | James M Inhofe | BUY | $50K–$100K | — | — | — |
| 2016-11-21 | Hon. James B. Renacci | BUY | $1K–$15K | — | — | — |
| 2016-10-17 | Hon. David B. McKinley | SELL | $1K–$15K | — | — | — exit |
| 2016-05-18 | Sheldon Whitehouse | SELL | $1K–$15K | — | — | — exit |
| 2016-01-28 | Hon. Lamar Smith | BUY | $1K–$15K | — | — | — |
| 2016-01-11 | Hon. James B. Renacci | BUY | $1K–$15K | — | — | — |
| 2015-12-15 | Hon. Lamar Smith | BUY | $1K–$15K | — | — | — |
| 2015-12-09 | Hon. James B. Renacci | BUY | $1K–$15K | — | — | — |
| 2015-11-23 | Sheldon Whitehouse | BUY | $1K–$15K | — | — | — |
| 2015-10-14 | Hon. James B. Renacci | BUY | $1K–$15K | — | — | — |
| 2015-09-18 | Hon. David B. McKinley | BUY | $15K–$50K | — | — | — |
| 2015-09-18 | Hon. David B. McKinley | BUY | $1K–$15K | — | — | — |
| 2015-08-05 | Hon. K. Michael Conaway | BUY | $1K–$15K | — | — | — |
| 2015-02-10 | Hon. Lamar Smith | BUY | $1K–$15K | — | — | — |
| 2015-02-03 | Hon. Lamar Smith | BUY | $1K–$15K | — | — | — |
| 2014-03-07 | Hon. David B. McKinley | BUY | $1K–$15K | — | — | — |
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).