Petersen Floyd F. sold AMPH

December 11, 2025 · Form 4 insider transaction

Petersen Floyd F. sold 1,737 shares of Amphastar Pharmaceuticals, Inc. at $25.69 per share, a transaction worth $44.6K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Disposed (sell-side)
Shares
1,737
Price
$25.69
Total value
$44.6K
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateDecember 11, 2025
Filing dateDecember 15, 2025
Shares owned after73,794
OwnershipDirect
10b5-1 planNo
AmendedNo
View the original Form 4 on SEC EDGAR