Zhou Rong 4
4 · Amphastar Pharmaceuticals, Inc. · Filed Mar 12, 2025
Insider Transaction Report
Form 4
Zhou Rong
SENIOR EVP, PRODUCTION CENTER
Transactions
- Award
Common Srock
2025-03-10+24,692→ 140,686 total - Award
Employee Stock Option (right to buy)
2025-03-10+52,437→ 52,437 totalExercise: $28.41Exp: 2035-03-10→ Common Stock (52,437 underlying)
Holdings
- 5,000(indirect: See footnote)
Common Stock
- 99,668(indirect: See footnote)
Common Stock
Footnotes (4)
- [F1]The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on March 10, 2026.
- [F2]The shares are held of record by the Zhou Family Trust for which the reporting person serves as a trustee.
- [F3]The shares are held of record by the reporting person's spouse.
- [F4]The shares subject to the option vest in four equal annual installments beginning on March 10, 2026.