4//SEC Filing
Luo Mary Z. 4
Accession 0001415889-25-007188
CIK 0001297184other
Filed
Mar 5, 7:00 PM ET
Accepted
Mar 6, 4:16 PM ET
Size
9.0 KB
Accession
0001415889-25-007188
Insider Transaction Report
Form 4
Zhang Jack Y.
DirectorCEO & CHIEF SCIENTIFIC OFFICER10% Owner
Transactions
- Tax Payment
Common Stock
2025-03-04$27.62/sh−2,426$67,006→ 1,102,330 total(indirect: See footnote) - Tax Payment
Common Stock
2025-03-04$27.62/sh−5,753$158,898→ 2,502,801 total
Holdings
- 6,827,679(indirect: See footnote)
Common Stock
Luo Mary Z.
DirectorCOO, Chief Scientist, Chairman10% Owner
Transactions
- Tax Payment
Common Stock
2025-03-04$27.62/sh−5,753$158,898→ 2,502,801 total - Tax Payment
Common Stock
2025-03-04$27.62/sh−2,426$67,006→ 1,102,330 total(indirect: See footnote)
Holdings
- 6,827,679(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 securities are held of record by Mary Z. Luo. The reporting persons are husband and wife.
- [F3]The shares are held of record by Applied Physics and Chemistry Laboratories, Inc., of which the reporting persons and The Bill Luobei Zhang 2004 Irrevocable Trust are the sole owners.
Documents
Issuer
Amphastar Pharmaceuticals, Inc.
CIK 0001297184
Entity typeother
Related Parties
1- filerCIK 0001611156
Filing Metadata
- Form type
- 4
- Filed
- Mar 5, 7:00 PM ET
- Accepted
- Mar 6, 4:16 PM ET
- Size
- 9.0 KB