Arkolith/Insider Trading/AMPH/Form 4

Lee Howard

DirectorAmphastar Pharmaceuticals, Inc. (AMPH) · full profile →Form 4 · filed Jun 4, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 2, 2026Tax withholding(F)769$18.45$14K159K
Jun 1, 2026Grant(A)8K—$0160K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 1, 2026Grant(A)17K—$017K

Transaction Codes

F
Shares withheld for taxes
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001379941-26-000003) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML