Insider Trading & Ownership of Jack Y. Zhang

Location
Rancho Cucamonga, CA
Summary
The estimated net worth of Jack Y. Zhang is at least $202M dollars as of 16 Jun 2025. Jack Y. Zhang is the CEO & CHIEF SCIENTIFIC OFFICER, Director, 10%+ Owner of Amphastar Pharmaceuticals, Inc. and owns shares of Amphastar Pharmaceuticals, Inc. (AMPH) stock worth about $202M.
Signature
/s/ Eva Wen, by power of attorney for Jack Y. Zhang
All Insider Reports
All Insider Reports

Notify me when Jack Y. Zhang files a new Insider Trading report.

⭐ Subscribe ⭐

Ownership of Jack Y. Zhang

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
AMPH Amphastar Pharmaceuticals, Inc. CEO & CHIEF SCIENTIFIC OFFICER, Director, 10%+ Owner $202M 13 Jun 2025

Insider Transactions Reported by Jack Y. Zhang:

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