Form4insider filings, from the source

SEC Form 4 · accession 0001104659-17-057416

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
Sep 13, 2017
Accepted (ET)
Sep 15, 2017 · 4:30 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 StockSep 13, 2017M176,987$11.53D1,731,937D
Common StockSep 13, 2017F153,882$15.86D1,578,055D
Common StockF1Sep 13, 2017M138,632$11.53D1,197,337ISee footnote
Common StockF1Sep 13, 2017F120,504$15.87D1,076,833ISee 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$11.53Sep 13, 2017M176,987D—Sep 28, 2017Common Stock176,9870D
Employee Stock Option (right to buy)F1,F5$11.53Sep 13, 2017M138,632D—Sep 28, 2017Common Stock138,6320I

Explanation of responses