William J Peters

CFO, EVP & Treasurer, Director, Amphstar Pharmaceuticals

Bought, 12 months

$0.0M

Sold, 12 months

$0.3M

Companies

Latest trade

Sep 21, 2026

Companies

Amphstar PharmaceuticalsCFO, EVP & Treasurer, Director −$0.3M

Trades

AMPH Sold 4,139 shares at $25.00 · planned $0.1M Sep 21

AMPH Sold 8,180 shares at $22.48 · planned $0.2M Aug 7

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.