Zhang Jack Y.

CEO & CHIEF SCIENTIFIC OFFICER, Director, 10% OwnerAmphastar Pharmaceuticals, Inc. (AMPH) · full profile →Form 4 · filed Mar 12, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
4
2 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 10, 2025Grant(A)116K$02.6M
Mar 10, 2025Grant(A)49K$01.1M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 10, 2025Grant(A)247K$0247K
Mar 10, 2025Grant(A)104K$0104K

Transaction Codes

A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001415889-25-007783) within minutes of acceptance. Every field above traces to the original document. Verify it directly: