Arkolith/Insider Trading/AMPH/Form 4

Petersen Floyd F.

DirectorAmphastar Pharmaceuticals, Inc. (AMPH) · full profile →Form 4 · filed Nov 17, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$442K
Net Open-Market Flow
-$442K
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Nov 13, 2025Sell(S)17K$26.49$442K76K
Nov 13, 2025Option exercise(M)17K$16.69$278K92K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Nov 13, 2025Option exercise(M)17K—$00

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001611286-25-000009) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML