Liawatidewi Yakob sold AMPH

March 10, 2026 · Form 4 insider transaction

Liawatidewi Yakob sold 1,870 shares of Amphastar Pharmaceuticals, Inc. at $18.91 per share, a transaction worth $35.4K. 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
1,870
Price
$18.91
Total value
$35.4K
RoleOfficer, Director
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateMarch 10, 2026
Filing dateMarch 11, 2026
Shares owned after122,925
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