-
Symbol
-
AMPH on Nasdaq
-
Investment type
-
Equity - Shares of Stock
-
Class
-
Common Stock
-
Latest Disclosed Ownership
-
12.5M shares
-
Security Ownership
-
24.8%
Jack Y. Zhang ownership in Amphastar Pharmaceuticals, Inc. Common Stock (AMPH)
2025-02-07 - Jack Y. Zhang has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 12.5M shares of Amphastar Pharmaceuticals, Inc. Common Stock (AMPH).
This represents 24.8% percent ownership of the company.