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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
2018-11-29 PRINS RICHARD K Director Option exercise +5,000 $14.66 $73K 40,434
2018-11-29 PRINS RICHARD K Director Sale −5,000 $20.50 $103K 35,434
2018-11-29 PRINS RICHARD K Director Option exercise · Stock Option (right to buy) −5,000 0
2018-11-28 Liawatidewi Yakob SVP Corp Admin Center Sale −1,520 $20.49 $31K 8,849
2018-11-23 Liawatidewi Yakob SVP Corp Admin Center Sale −1,299 $20.26 $26K 37,463
2018-11-14 ZASLOFF MICHAEL A Director Option exercise +29,278 $14.66 $429K 59,123
2018-11-14 ZASLOFF MICHAEL A Director Sale −29,278 $20.39 $597K 29,845
2018-11-14 ZASLOFF MICHAEL A Director Option exercise · Stock Option (right to buy) −29,278 0
2018-11-14 PRINS RICHARD K Director Option exercise +5,000 $14.66 $73K 40,434
2018-11-14 PRINS RICHARD K Director Sale −5,000 $20.23 $101K 35,434
2018-11-14 PRINS RICHARD K Director Option exercise · Stock Option (right to buy) −5,000 5,000
2018-11-14 Shandell Jason B. President and General Counsel Sale −15,615 $20.41 $319K 183,890
2018-11-14 Shandell Jason B. President and General Counsel Sale −400 $20.19 $8K 183,490
2018-11-12 PETERS WILLIAM J CFO, SVP & Treasurer Sale −3,172 $20.61 $65K 78,152
2018-11-09 Zhou Rong EVP, Production Center Sale −1,089 $21.00 $23K 53,303
2018-11-09 PETERS WILLIAM J CFO, SVP & Treasurer Option exercise +10,000 $11.33 $113K 91,324
2018-11-09 PETERS WILLIAM J CFO, SVP & Treasurer Sale −10,000 $21.47 $215K 81,324
2018-11-09 PETERS WILLIAM J CFO, SVP & Treasurer Option exercise · Employee Stock Option (right to buy) −10,000 69,600
2018-11-09 Liawatidewi Yakob SVP Corp Admin Center Option exercise +4,903 $14.23 $70K 45,666
2018-11-09 Liawatidewi Yakob SVP Corp Admin Center Option exercise +4,904 $14.40 $71K 50,570

Page 52 of 81 · 1,602 trades