Zhou Rong sold AMPH
September 16, 2026 · Form 4 insider transaction
Zhou Rong sold 10,000 shares of Amphastar Pharmaceuticals, Inc. at $23.94 per share, a transaction worth $239.4K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
10,000
Price
$23.94
Total value
$239.4K
InsiderZhou Rong
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 16, 2026
Filing dateSeptember 17, 2026
Shares owned after169,203
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.83 to $24.05, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.