Peters William Jinsider trades

In SEC Form 4 filings, Peters William J is listed as CFO, EVP & TREASURER of Amphastar Pharmaceuticals, Inc. (AMPH). In the last 90 days, Peters William J sold $103.5K of Amphastar Pharmaceuticals, Inc. (AMPH) on the open market and bought none. The sale was reported under a 10b5-1 trading plan.

Companies and roles

Company	Role	Transactions	Last filed
AMPHAmphastar Pharmaceuticals, Inc.	CFO, EVP & TREASURER	1	Sep 23

Cluster buys

No cluster buy in the last 90 days included a purchase by this insider (two or more insiders buying within 14 days).

Form 4 historysince 2026-09-23

Company	Traded	Filed	Type	Shares	Price	Value	Owned after	10b5-1 plan	Filing
AMPHAmphastar Pharmaceuticals, Inc.	Sep 21	Sep 23	S	4,139	$25.00	Sale −$103,475	168,707	Yes	Form 4

Published from this insider's public Form 4 filings on SEC EDGAR; the name is shown as filed. Named in a filing and want this page removed? See the privacy policy.