*Notional-weighted price return on lawmakers' disclosed buys of AMPH, marked to the latest close — per-share (share counts aren't disclosed).
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2022-12-12 | Hon. Kurt Schrader | BUY | $1K–$15K | $28.63 | $21.78 2026-06-26 | -23.9% |
| 2018-08-01 | Hon. John B. Larson | BUY | $1K–$15K | $17.22 | $21.78 2026-06-26 | +26.5% |
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).