*Notional-weighted price return on lawmakers' disclosed buys of ZTS, marked to the latest close — per-share (share counts aren't disclosed).
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2025-11-10 | Markwayne Mullin | SELL | $15K–$50K | $119.79 | $76.09 2026-06-26 | -25.3% rt |
| 2025-10-06 | Hon. Rick Larsen | SELL | $1K–$15K | $145.36 | $76.09 2026-06-26 | -25.8% rt |
| 2025-05-13 | Markwayne Mullin | BUY | $50K–$100K | $160.41 | $76.09 2026-06-26 | -52.6% |
| 2025-04-08 | Markwayne Mullin | SELL | $15K–$50K | $144.41 | $76.09 2026-06-26 | -25.6% rt |
| 2025-03-03 | Hon. Julie Johnson | SELL | $1K–$15K | $170.53 | $76.09 2026-06-26 | +55.4% exit |
| 2024-07-05 | Hon. Jared Moskowitz | SELL | $1K–$15K | $174.96 | $76.09 2026-06-26 | +56.5% exit |
| 2024-04-03 | Markwayne Mullin | SELL | $1K–$15K | $162.97 | $76.09 2026-06-26 | -16.0% rt |
| 2024-04-03 | Markwayne Mullin | SELL | $1K–$15K | $162.97 | $76.09 2026-06-26 | -4.3% rt |
| 2024-04-03 | Markwayne Mullin | SELL | $1K–$15K | $162.97 | $76.09 2026-06-26 | -10.5% rt |
| 2024-02-27 | Shelley M Capito | BUY | $15K–$50K | $199.00 | $76.09 2026-06-26 | -61.8% |
| 2024-01-09 | Hon. Rick Larsen | BUY | $1K–$15K | $195.94 | $76.09 2026-06-26 | -61.2% |
| 2024-01-04 | Markwayne Mullin | BUY | $1K–$15K | $194.04 | $76.09 2026-06-26 | -60.8% |
| 2024-01-04 | Markwayne Mullin | BUY | $1K–$15K | $194.04 | $76.09 2026-06-26 | -60.8% |
| 2023-10-03 | Markwayne Mullin | BUY | $1K–$15K | $170.33 | $76.09 2026-06-26 | -55.3% |
| 2023-09-13 | Markwayne Mullin | BUY | $15K–$50K | $182.00 | $76.09 2026-06-26 | -58.2% |
| 2023-08-22 | Daniel S Sullivan | SELL | $1K–$15K | $181.82 | $76.09 2026-06-26 | +18.0% rt |
| 2023-08-22 | Daniel S Sullivan | SELL | $1K–$15K | $181.82 | $76.09 2026-06-26 | +18.0% rt |
| 2023-07-21 | Hon. Robert J. Wittman | BUY | $1K–$15K | $183.51 | $76.09 2026-06-26 | -58.5% |
| 2023-01-10 | Daniel S Sullivan | BUY | $1K–$15K | $154.36 | $76.09 2026-06-26 | -50.7% |
| 2022-12-20 | Hon. John Curtis | BUY | $1K–$15K | $142.47 | $76.09 2026-06-26 | -46.6% |
| 2022-11-30 | Daniel S Sullivan | BUY | $1K–$15K | $154.14 | $76.09 2026-06-26 | -50.6% |
| 2022-11-30 | Daniel S Sullivan | BUY | $1K–$15K | $154.14 | $76.09 2026-06-26 | -50.6% |
| 2022-10-05 | Thomas H Tuberville | SELL | $1K–$15K | $154.59 | $76.09 2026-06-26 | +50.8% exit |
| 2022-08-26 | Hon. Alan S. Lowenthal | BUY | $15K–$50K | $159.89 | $76.09 2026-06-26 | -52.4% |
| 2022-06-28 | Hon. John Curtis | BUY | $1K–$15K | $170.12 | $76.09 2026-06-26 | -55.3% |
| 2021-05-05 | Hon. Byron Donalds | BUY | $1K–$15K | $173.86 | $76.09 2026-06-26 | -56.2% |
| 2020-07-21 | Hon. Alan S. Lowenthal | SELL | $1K–$15K | $145.01 | $76.09 2026-06-26 | +47.5% exit |
| 2019-12-31 | Hon. Joe Courtney | BUY | $1K–$15K | $132.35 | $76.09 2026-06-26 | -42.5% |
| 2019-09-11 | Hon. Zoe Lofgren | SELL | $1K–$15K | $120.70 | $76.09 2026-06-26 | +37.0% exit |
| 2019-08-15 | Hon. John B. Larson | BUY | $1K–$15K | $123.68 | $76.09 2026-06-26 | -38.5% |
| 2019-04-25 | Hon. Susie Lee | SELL | $1K–$15K | $101.83 | $76.09 2026-06-26 | +25.3% exit |
| 2019-01-08 | Hon. K. Michael Conaway | BUY | $1K–$15K | $86.54 | $76.09 2026-06-26 | -12.1% |
| 2018-10-31 | Hon. Lamar Smith | SELL | $1K–$15K | $90.15 | $76.09 2026-06-26 | +67.5% rt |
| 2018-08-30 | Hon. Lamar Smith | SELL | $1K–$15K | $89.81 | $76.09 2026-06-26 | +74.7% rt |
| 2018-06-04 | Hon. Lamar Smith | SELL | $1K–$15K | $85.39 | $76.09 2026-06-26 | +98.8% rt |
| 2018-02-26 | Hon. K. Michael Conaway | BUY | $1K–$15K | $83.30 | $76.09 2026-06-26 | -8.7% |
| 2018-01-16 | Hon. K. Michael Conaway | BUY | $1K–$15K | $75.54 | $76.09 2026-06-26 | +0.7% |
| 2018-01-12 | Hon. K. Michael Conaway | BUY | $1K–$15K | $75.39 | $76.09 2026-06-26 | +0.9% |
| 2017-10-05 | Hon. Alan S. Lowenthal | SELL | $1K–$15K | $63.75 | $76.09 2026-06-26 | +51.4% rt |
| 2017-10-04 | Hon. Alan S. Lowenthal | SELL | $1K–$15K | $63.57 | $76.09 2026-06-26 | +44.0% rt |
| 2017-03-29 | Hon. Lamar Smith | BUY | $1K–$15K | $53.82 | $76.09 2026-06-26 | +41.4% |
| 2017-02-16 | Hon. James B. Renacci | BUY | $1K–$15K | $52.78 | $76.09 2026-06-26 | +44.2% |
| 2016-10-31 | Hon. James B. Renacci | BUY | $1K–$15K | $47.80 | $76.09 2026-06-26 | +59.2% |
| 2016-08-22 | Hon. Alan S. Lowenthal | SELL | $15K–$50K | $51.23 | $76.09 2026-06-26 | +20.1% rt |
| 2016-08-04 | Hon. Lamar Smith | BUY | $1K–$15K | $51.41 | $76.09 2026-06-26 | +48.0% |
| 2016-08-03 | Hon. James B. Renacci | BUY | $1K–$15K | $51.21 | $76.09 2026-06-26 | +48.6% |
| 2016-06-28 | Hon. James B. Renacci | BUY | $1K–$15K | $46.42 | $76.09 2026-06-26 | +63.9% |
| 2016-05-16 | Hon. James B. Renacci | BUY | $1K–$15K | $46.77 | $76.09 2026-06-26 | +62.7% |
| 2016-03-01 | Hon. Alan S. Lowenthal | BUY | $1K–$15K | $42.10 | $76.09 2026-06-26 | +80.7% |
| 2016-02-11 | Hon. James B. Renacci | BUY | $1K–$15K | $39.36 | $76.09 2026-06-26 | +93.3% |
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).