Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-035203

Amphastar Pharmaceuticals, Inc. · AMPH

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owners
Mary Z. Luo
Officer — COO,Chief Scientist & Chairman · Director · 10% Owner
Jack Y. Zhang
Officer — CEO & Chief Scientific Officer · Director · 10% Owner
Period of report
May 23, 2017
Accepted (ET)
May 25, 2017 · 4:15 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001297184

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockMay 23, 2017M382,448$11.506A1,554,950D
Common StockF1May 23, 2017M264,895$11.506A1,058,705ISee footnote
Common StockF2holding———7,461,594ISee footnote
Common StockF3holding———5,000ISee footnote
Common StockF4holding———200,000ISee footnote

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Employee Stock Option (right to buy)F5$11.506May 23, 2017M382,448D—Jul 13, 2017Common Stock382,4480D
Employee Stock Option (right to buy)F1,F5$11.506May 23, 2017M264,895D—Jul 13, 2017Common Stock264,8950I

Explanation of responses