Insider · CIK 0001611157

Zhang Jack Y.

CEO & CHIEF SCIENTIFIC OFFICER

Edge score not yet computed for this insider (needs ≥3 lifetime open-market buys).

Last 2 transactions

Date	Issuer	Code	Direction	Shares	Price	Value
Mar 6, 2026	AMPH	F	other	7,773	$19	$150,330	View
Mar 6, 2026	AMPH	F	other	3,077	$19	$59,509	View

Zhang Jack Y. — insider trading history — Form 4 AI