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P
Peters William J
CFO, EVP & TREASURER
Open-market buys
0
$0 total
Open-market sells
2
$287K total
Tracking since
Aug 2026
Activity timeline
Open-market sale — $103K
Amphastar Pharmaceuticals, Inc. · Sep 21, 2026
Open-market sale — $184K
Amphastar Pharmaceuticals, Inc. · Aug 7, 2026
Open-market trades from the last two years.
Holdings as last reported
168,707 Common Stock in AMPH
Held directly · as of 2026-09-21
121,071 Employee Stock Option (right to buy) in AMPH
Held directly · as of 2026-03-09
Companies touched
Amphastar Pharmaceuticals, Inc.
CIK 0001297184
