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INSIDER · CIK 1047579

Prins Richard K

Director at Amphastar Pharmaceuticals, Inc. (AMPH)

↗1 Form 4 rows in the window

Covers original filings from Aug 1, 2026 to Oct 29, 2026. Older trades and amendments are in the SEC history.

$0.00Bought on the market
$162KSold on the market
1Companies
Aug 12, 2026Latest filing
Form 4 trades by Prins Richard K
CompanyTitleTypeOwned
Aug 12, 202618:14Aug 11, 2026AMPHAmphastar Pharmaceuticals, Inc.DirectorS · Sell$20.30−7,97329,625-21%−$162K
Prins Richard K Insider Trades (AMPH) | Shameless Cloning