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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
2017-08-15 PRINS RICHARD K Director Option exercise +5,000 $10.77 $54K 33,844
2017-08-15 PRINS RICHARD K Director Sale −5,000 $14.82 $74K 28,844
2017-08-15 PRINS RICHARD K Director Option exercise · Stock Option (right to buy) −5,000 0
2017-08-14 PRINS RICHARD K Director Option exercise +5,000 $10.77 $54K 33,844
2017-08-14 PRINS RICHARD K Director Sale −5,000 $14.80 $74K 28,844
2017-08-14 PRINS RICHARD K Director Option exercise · Stock Option (right to buy) −5,000 5,000
2017-07-05 Shandell Jason B. President and General Counsel Shares withheld for taxes −3,394 $17.95 $61K 235,493
2017-06-15 Zhou Rong EVP, Production Center Shares withheld for taxes −146 $16.18 $2K 48,096
2017-06-15 Gerst Diane G. EVP, QA & Regulatory Affairs Shares withheld for taxes −146 $16.18 $2K 34,348
2017-06-09 PRINS RICHARD K Director Option exercise +10,000 $10.77 $108K 38,844
2017-06-09 PRINS RICHARD K Director Sale −10,000 $17.07 $171K 28,844
2017-06-09 PRINS RICHARD K Director Option exercise · Stock Option (right to buy) −10,000 10,000
2017-06-09 Lee Howard Director Shares withheld for taxes −1,826 $16.84 $31K 118,545
2017-06-08 ZASLOFF MICHAEL A Director Grant or award +5,844 38,255
2017-06-08 ZASLOFF MICHAEL A Director Grant or award · Stock Option (right to buy) +20,291 20,291
2017-06-08 Shohet Stephen B. Director Grant or award +5,844 24,116
2017-06-08 Shohet Stephen B. Director Grant or award · Stock Option (right to buy) +20,291 20,291
2017-06-08 PRINS RICHARD K Director Grant or award +5,844 28,844
2017-06-08 PRINS RICHARD K Director Grant or award · Stock Option (right to buy) +20,291 20,291
2017-06-08 Petersen Floyd F. Director Grant or award +5,844 64,561

Page 61 of 81 · 1,602 trades