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CIK 0001297184 · Large accelerated filer

Amphastar Pharmaceuticals, Inc.

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Ticker
AMPH
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Entity type
operating
EIN
330702205
Phone
909-980-9484
Business address
11570 SIXTH STREET, RANCHO CUCAMONGA, CA, 91730
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$1,232,854
in 4 filings, $918K under 10b5-1 plans

Net −$1,232,854. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. PETERS WILLIAM J −$918K CFO, EVP & TREASURER sold 16% of stake
  2. Zhou Rong −$315K SENIOR EVP, PRODUCTION CENTER sold 7% of stake
Date Insider Transaction Shares Price Value Owned after
2019-03-15 Shandell Jason B. President and General Counsel Shares withheld for taxes −5,255 $20.23 $106K 194,285
2019-03-15 Shandell Jason B. President and General Counsel Option exercise · Employee Stock Option (right to buy) −24,508 44,149
2019-03-15 Shandell Jason B. President and General Counsel Grant or award · Employee Stock Option (right to buy) +86,862 86,862
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Option exercise +514,783 $15.84 $8.2M 2,587,100
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Shares withheld for taxes −461,097 $20.23 $9.3M 2,126,003
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Grant or award +98,368 2,224,371
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Shares withheld for taxes −17,205 $20.23 $348K 2,207,166
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Option exercise +224,737 $15.84 $3.6M 1,591,443
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Shares withheld for taxes −200,853 $20.23 $4.1M 1,390,590
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Grant or award +41,522 1,432,112
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Shares withheld for taxes −7,317 $20.23 $148K 1,424,795
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Option exercise · Employee Stock Option (right to buy) −514,783 0
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Grant or award · Employee Stock Option (right to buy) +262,182 262,182
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Option exercise · Employee Stock Option (right to buy) −224,737 0
2019-03-15 Zhang Jack Y. CEO & Chief Scientific Officer Grant or award · Employee Stock Option (right to buy) +110,671 110,671
2019-03-14 Shandell Jason B. President and General Counsel Sale −7,828 $20.37 $159K 160,490
2019-03-04 PETERS WILLIAM J CFO, SVP & Treasurer Option exercise +1,500 $13.35 $20K 77,050
2019-03-04 PETERS WILLIAM J CFO, SVP & Treasurer Sale −1,500 $25.36 $38K 75,550
2019-03-04 PETERS WILLIAM J CFO, SVP & Treasurer Option exercise · Employee Stock Option (right to buy) −1,500 72,548
2019-03-01 Zhou Rong EVP, Production Center Option exercise +3,200 $20.26 $65K 55,230

Page 47 of 81 · 1,602 trades