4//SEC Filing
Zhou Rong 4
Accession 0001415889-24-029491
CIK 0001297184other
Filed
Dec 15, 7:00 PM ET
Accepted
Dec 16, 5:22 PM ET
Size
15.3 KB
Accession
0001415889-24-029491
Insider Transaction Report
Form 4
Zhou Rong
SENIOR EVP, PRODUCTION CENTER
Transactions
- Exercise/Conversion
Employee Stock Option (right to buy)
2024-12-13−8,000→ 9,787 totalExercise: $11.33Exp: 2026-03-17→ Common Stock (8,000 underlying) - Exercise/Conversion
Common Stock
2024-12-12$11.33/sh+7,000$79,310→ 125,469 total - Sale
Common Stock
2024-12-12$44.42/sh−7,000$310,975→ 118,469 total - Exercise/Conversion
Common Stock
2024-12-13$11.33/sh+8,000$90,640→ 126,469 total - Sale
Common Stock
2024-12-13$45.23/sh−8,000$361,840→ 118,469 total - Exercise/Conversion
Employee Stock Option (right to buy)
2024-12-12−7,000→ 17,787 totalExercise: $11.33Exp: 2026-03-17→ Common Stock (7,000 underlying)
Holdings
- 99,668(indirect: See footnote)
Common Stock
- 5,000(indirect: See footnote)
Common Stock
Footnotes (4)
- [F1]Includes 81 shares acquired under the Issuer's 2014 Employee Stock Purchase Plan on November 30, 2024.
- [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]Shares subject to the option are fully vested and immediately exercisable.
Documents
Issuer
Amphastar Pharmaceuticals, Inc.
CIK 0001297184
Entity typeother
Related Parties
1- filerCIK 0001645326
Filing Metadata
- Form type
- 4
- Filed
- Dec 15, 7:00 PM ET
- Accepted
- Dec 16, 5:22 PM ET
- Size
- 15.3 KB