Stocks · Health care · Pharmaceutical Preparations

Amphastar Pharmaceuticals, Inc.

AMPH Clue Score63
United States Fiscal year ends December CIK 0001297184 Results filed 5 Nov 2026

What the insiders did Net selling

Insider
Date
Role
Action
Shares
Price
Amount
William J Peters
21 Sep 2026
CFO, EVP & Treasurer
Sold on a plan
4,139
$25.00
$103.48K

What was left out

Form 4 filings counted 32
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 4
Sales on a Rule 10b5-1 plan 1
Sales straight out of an exercise 5
Sales at will 4
Transactions with no price 0
Shares from compensation/vesting 560,768
History held since 19 Aug 2014