PETERS WILLIAM J 4
4 · Amphastar Pharmaceuticals, Inc. · Filed May 20, 2025
Insider Transaction Report
Form 4
PETERS WILLIAM J
DirectorCFO, EVP & TREASURER
Transactions
- Tax Payment
Common Stock
2025-05-19$24.79/sh−273$6,768→ 124,985 total
Footnotes (1)
- [F1]The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.