4//SEC Filing
Zhou Rong 4
Accession 0001415889-25-008525
CIK 0001297184other
Filed
Mar 17, 8:00 PM ET
Accepted
Mar 18, 7:43 PM ET
Size
8.0 KB
Accession
0001415889-25-008525
Insider Transaction Report
Form 4
Zhou Rong
SENIOR EVP, PRODUCTION CENTER
Transactions
- Tax Payment
Common Stock
2025-03-15$26.66/sh−1,222$32,579→ 139,464 total - Tax Payment
Common Srock
2025-03-17$27.69/sh−1,967$54,466→ 137,497 total
Holdings
- 5,000(indirect: See footnote)
Common Stock
- 99,668(indirect: See footnote)
Common Stock
Footnotes (3)
- [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.
- [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.
Documents
Issuer
Amphastar Pharmaceuticals, Inc.
CIK 0001297184
Entity typeother
Related Parties
1- filerCIK 0001645326
Filing Metadata
- Form type
- 4
- Filed
- Mar 17, 8:00 PM ET
- Accepted
- Mar 18, 7:43 PM ET
- Size
- 8.0 KB