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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
2020-05-26 Lee Howard Director Sale −10,000 $18.60 $186K 128,081
2020-05-26 Lee Howard Director Option exercise · Stock Option (right to buy) −10,000 0
2020-05-22 Lee Howard Director Option exercise +10,000 $15.11 $151K 138,081
2020-05-22 Lee Howard Director Sale −10,000 $18.36 $184K 128,081
2020-05-22 Lee Howard Director Option exercise · Stock Option (right to buy) −10,000 10,000
2020-05-21 Lee Howard Director Option exercise +10,000 $15.11 $151K 138,081
2020-05-21 Lee Howard Director Sale −10,000 $18.47 $185K 128,081
2020-05-21 Lee Howard Director Option exercise · Stock Option (right to buy) −10,000 20,000
2020-05-20 Lee Howard Director Option exercise +17,782 $15.11 $269K 145,863
2020-05-20 Lee Howard Director Sale −17,782 $18.43 $328K 128,081
2020-05-20 Lee Howard Director Option exercise · Stock Option (right to buy) −17,782 30,000
2020-05-15 ZASLOFF MICHAEL A Director Option exercise +22,950 $15.11 $347K 58,286
2020-05-15 ZASLOFF MICHAEL A Director Sale −22,950 $18.03 $414K 35,336
2020-05-15 ZASLOFF MICHAEL A Director Option exercise · Stock Option (right to buy) −22,950 0
2020-05-15 Petersen Floyd F. Director Option exercise +42,682 $15.11 $645K 114,324
2020-05-15 Petersen Floyd F. Director Sale −42,682 $18.25 $779K 71,642
2020-05-15 Petersen Floyd F. Director Option exercise · Stock Option (right to buy) −42,682 0
2020-05-14 ZASLOFF MICHAEL A Director Option exercise +14,832 $15.11 $224K 50,168
2020-05-14 ZASLOFF MICHAEL A Director Sale −14,832 $18.00 $267K 35,336
2020-05-14 ZASLOFF MICHAEL A Director Option exercise · Stock Option (right to buy) −14,832 22,950

Page 39 of 81 · 1,602 trades