4//SEC Filing
Gaugh David Russell 4
Accession 0001415889-25-020123
CIK 0001297184other
Filed
Jul 21, 8:00 PM ET
Accepted
Jul 22, 4:23 PM ET
Size
7.0 KB
Accession
0001415889-25-020123
Insider Transaction Report
Form 4
Gaugh David Russell
Director
Transactions
- Award
Stock Option (right to buy)
2025-07-18+13,987→ 13,987 totalExercise: $20.62Exp: 2035-07-18→ Common Stock (13,987 underlying) - Award
Common Stock
2025-07-18+6,304→ 6,304 total
Footnotes (2)
- [F1]The reported shares are represented by restricted stock units, or RSUs, all of which vest on July 18, 2026.
- [F2]All of the shares subject to the option vest on July 18, 2026.
Documents
Issuer
Amphastar Pharmaceuticals, Inc.
CIK 0001297184
Entity typeother
Related Parties
1- filerCIK 0002075974
Filing Metadata
- Form type
- 4
- Filed
- Jul 21, 8:00 PM ET
- Accepted
- Jul 22, 4:23 PM ET
- Size
- 7.0 KB