Rong Zhou - SENIOR EVP, PRODUCTION CENTER at Amphastar Pharmaceuticals, Inc.

Insider Transactions and Holdings

Entity Type
Individual
Role
Senior Evp, Production Center
Issuer Symbol
AMPH on Nasdaq
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Rong Zhou - trading volume in the past year for Amphastar Pharmaceuticals, Inc.

Holdings reported by Rong Zhou for Amphastar Pharmaceuticals, Inc.

Security Num Shares Value Price $ Transaction Date Ownership Underlying Class Underlying Amount
Common Stock 172,779 $4,939,751 $28.59 10 Mar 2026 Direct
Common Stock 5,000 $142,950 $28.59 09 Mar 2026 Indirect
Employee Stock Option (right to buy) 81,341 09 Mar 2026 Direct Common Stock

Transactions reported by Rong Zhou for Amphastar Pharmaceuticals, Inc.

Sym Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.