Lee Howard sold AMPH

June 2, 2026 · Form 4 insider transaction

Lee Howard sold 769 shares of Amphastar Pharmaceuticals, Inc. at $18.45 per share, a transaction worth $14.2K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Disposed (sell-side)
Shares
769
Price
$18.45
Total value
$14.2K
InsiderLee Howard
RoleDirector
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateJune 2, 2026
Filing dateJune 3, 2026
Shares owned after159,350
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of RSUs.

View the original Form 4 on SEC EDGAR