*Notional-weighted price return on lawmakers' disclosed buys of ENTG, marked to the latest close — per-share (share counts aren't disclosed).
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2026-04-15 | Hon. April McClain Delaney | BUY | $1K–$15K | $137.00 | $161.43 2026-06-26 | +17.8% |
| 2026-03-31 | Hon. April McClain Delaney | BUY | $1K–$15K | $117.24 | $161.43 2026-06-26 | +37.7% |
| 2025-07-28 | Hon. April McClain Delaney | SELL | $1K–$15K | $92.00 | $161.43 2026-06-26 | -75.5% exit |
| 2025-07-09 | Hon. April McClain Delaney | SELL | $1K–$15K | $86.99 | $161.43 2026-06-26 | -18.8% rt |
| 2025-02-17 | Hon. April McClain Delaney | BUY | $1K–$15K | $107.12 | $161.43 2026-06-26 | +50.7% |
| 2020-08-12 | Hon. Gilbert Cisneros | SELL | $1K–$15K | $71.06 | $161.43 2026-06-26 | +76.1% rt |
| 2020-08-10 | Hon. Josh Gottheimer | SELL | $1K–$15K | $68.92 | $161.43 2026-06-26 | -134.2% exit |
| 2020-07-17 | Hon. Gilbert Cisneros | SELL | $1K–$15K | $58.88 | $161.43 2026-06-26 | +77.6% rt |
| 2020-07-15 | Hon. Josh Gottheimer | SELL | $1K–$15K | $57.93 | $161.43 2026-06-26 | -178.7% exit |
| 2020-01-14 | David A Perdue , Jr | SELL | $1K–$15K | $53.63 | $161.43 2026-06-26 | -201.0% exit |
| 2020-01-13 | David A Perdue , Jr | SELL | $1K–$15K | $53.39 | $161.43 2026-06-26 | -202.4% exit |
| 2020-01-10 | David A Perdue , Jr | SELL | $1K–$15K | $52.11 | $161.43 2026-06-26 | -209.8% exit |
| 2020-01-02 | David A Perdue , Jr | SELL | $1K–$15K | $50.97 | $161.43 2026-06-26 | -216.7% exit |
| 2019-12-23 | Hon. Kenny Marchant | BUY | $1K–$15K | $51.21 | $161.43 2026-06-26 | +215.2% |
| 2019-12-16 | David A Perdue , Jr | SELL | $1K–$15K | $50.63 | $161.43 2026-06-26 | -218.8% exit |
| 2019-11-19 | David A Perdue , Jr | SELL | $1K–$15K | $48.32 | $161.43 2026-06-26 | -234.1% exit |
| 2019-10-18 | David A Perdue , Jr | SELL | $1K–$15K | $48.71 | $161.43 2026-06-26 | -231.4% exit |
| 2019-10-01 | David A Perdue , Jr | SELL | $1K–$15K | $46.88 | $161.43 2026-06-26 | -244.3% exit |
| 2019-09-13 | David A Perdue , Jr | SELL | $1K–$15K | $47.11 | $161.43 2026-06-26 | -242.7% exit |
| 2019-09-11 | David A Perdue , Jr | SELL | $1K–$15K | $45.47 | $161.43 2026-06-26 | -255.0% exit |
| 2019-08-21 | David A Perdue , Jr | SELL | $1K–$15K | $43.41 | $161.43 2026-06-26 | -271.9% exit |
| 2019-08-19 | David A Perdue , Jr | SELL | $1K–$15K | $42.79 | $161.43 2026-06-26 | -277.3% exit |
| 2019-08-15 | David A Perdue , Jr | SELL | $1K–$15K | $41.36 | $161.43 2026-06-26 | -290.3% exit |
| 2019-08-01 | David A Perdue , Jr | SELL | $1K–$15K | $42.35 | $161.43 2026-06-26 | +15.6% rt |
| 2019-07-12 | David A Perdue , Jr | BUY | $1K–$15K | $36.65 | $161.43 2026-06-26 | +340.5% |
| 2019-07-12 | Hon. Susie Lee | BUY | $1K–$15K | $36.65 | $161.43 2026-06-26 | +340.5% |
| 2019-04-30 | David A Perdue , Jr | SELL | $1K–$15K | $40.86 | $161.43 2026-06-26 | -295.1% exit |
| 2019-04-22 | David A Perdue , Jr | SELL | $1K–$15K | $40.69 | $161.43 2026-06-26 | -296.7% exit |
| 2019-04-17 | Hon. Gilbert Cisneros | BUY | $1K–$15K | $40.35 | $161.43 2026-06-26 | +300.1% |
| 2019-04-16 | David A Perdue , Jr | SELL | $15K–$50K | $39.83 | $161.43 2026-06-26 | +60.4% rt |
| 2019-02-19 | David A Perdue , Jr | SELL | $1K–$15K | $34.36 | $161.43 2026-06-26 | +29.3% rt |
| 2019-01-28 | Hon. Gilbert Cisneros | BUY | $1K–$15K | $33.16 | $161.43 2026-06-26 | +386.8% |
| 2018-10-26 | David A Perdue , Jr | BUY | $1K–$15K | $24.84 | $161.43 2026-06-26 | +549.9% |
| 2018-10-10 | David A Perdue , Jr | BUY | $1K–$15K | $26.58 | $161.43 2026-06-26 | +507.3% |
| 2018-03-20 | David A Perdue , Jr | SELL | $1K–$15K | $36.25 | $161.43 2026-06-26 | -345.3% exit |
| 2017-11-10 | David A Perdue , Jr | SELL | $1K–$15K | $31.60 | $161.43 2026-06-26 | -410.9% exit |
| 2017-11-02 | David A Perdue , Jr | SELL | $1K–$15K | $31.80 | $161.43 2026-06-26 | -407.6% exit |
| 2017-10-13 | David A Perdue , Jr | SELL | $1K–$15K | $29.65 | $161.43 2026-06-26 | -444.4% exit |
| 2017-09-28 | David A Perdue , Jr | SELL | $1K–$15K | $28.40 | $161.43 2026-06-26 | -468.4% exit |
| 2017-09-28 | David A Perdue , Jr | SELL | $1K–$15K | $28.40 | $161.43 2026-06-26 | -468.4% exit |
| 2017-09-27 | David A Perdue , Jr | SELL | $1K–$15K | $28.35 | $161.43 2026-06-26 | -469.4% exit |
| 2017-09-27 | David A Perdue , Jr | SELL | $1K–$15K | $28.35 | $161.43 2026-06-26 | -469.4% exit |
| 2017-09-18 | David A Perdue , Jr | SELL | $1K–$15K | $27.65 | $161.43 2026-06-26 | -483.8% exit |
| 2017-09-18 | David A Perdue , Jr | SELL | $1K–$15K | $27.65 | $161.43 2026-06-26 | -483.8% exit |
| 2017-09-15 | David A Perdue , Jr | SELL | $1K–$15K | $27.35 | $161.43 2026-06-26 | -490.2% exit |
| 2017-09-15 | David A Perdue , Jr | SELL | $1K–$15K | $27.35 | $161.43 2026-06-26 | -490.2% exit |
| 2017-02-24 | David A Perdue , Jr | SELL | $1K–$15K | $21.75 | $161.43 2026-06-26 | -642.2% exit |
| 2017-02-24 | David A Perdue , Jr | SELL | $1K–$15K | $21.75 | $161.43 2026-06-26 | -642.2% exit |
| 2017-02-14 | David A Perdue , Jr | SELL | $1K–$15K | $21.60 | $161.43 2026-06-26 | -647.4% exit |
| 2017-02-14 | David A Perdue , Jr | SELL | $1K–$15K | $21.60 | $161.43 2026-06-26 | -647.4% exit |
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).