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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
2020-07-20 Liawatidewi Yakob EVP Corp Admin Center Option exercise +4,186 $11.33 $47K 50,182
2020-07-20 Liawatidewi Yakob EVP Corp Admin Center Sale −4,186 $21.03 $88K 45,996
2020-07-20 Liawatidewi Yakob EVP Corp Admin Center Option exercise · Employee Stock Option (right to buy) −4,186 25,615
2020-07-06 PETERS WILLIAM J CFO, SVP & Treasurer Option exercise +10,000 $11.33 $113K 114,820
2020-07-06 PETERS WILLIAM J CFO, SVP & Treasurer Sale −13,656 $22.00 $300K 101,164
2020-07-06 PETERS WILLIAM J CFO, SVP & Treasurer Option exercise · Employee Stock Option (right to buy) −10,000 39,800
2020-07-01 Petersen Floyd F. Director Sale −500 $22.27 $11K 76,493
2020-06-14 Liawatidewi Yakob EVP Corp Admin Center Shares withheld for taxes −128 $19.58 $3K 45,996
2020-06-12 Lee Howard Director Shares withheld for taxes −355 $19.58 $7K 132,914
2020-06-09 Liawatidewi Yakob EVP Corp Admin Center Option exercise +16,000 $10.93 $175K 69,529
2020-06-09 Liawatidewi Yakob EVP Corp Admin Center Sale −23,405 $20.41 $478K 46,124
2020-06-09 Liawatidewi Yakob EVP Corp Admin Center Option exercise · Employee Stock Option (right to buy) −16,000 16,000
2020-06-08 ZASLOFF MICHAEL A Director Grant or award +5,851 41,187
2020-06-08 ZASLOFF MICHAEL A Director Grant or award · Stock Option (right to buy) +16,004 16,004
2020-06-08 PRINS RICHARD K Director Grant or award +5,851 45,160
2020-06-08 PRINS RICHARD K Director Grant or award · Stock Option (right to buy) +16,004 16,004
2020-06-08 Petersen Floyd F. Director Grant or award +5,851 76,993
2020-06-08 Petersen Floyd F. Director Grant or award · Stock Option (right to buy) +16,004 16,004
2020-06-08 Maris David Director Grant or award +5,851 12,151
2020-06-08 Maris David Director Grant or award · Stock Option (right to buy) +16,004 16,004

Page 37 of 81 · 1,602 trades