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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
2019-08-13 PRINS RICHARD K Director Option exercise +10,000 $15.11 $151K 49,309
2019-08-13 PRINS RICHARD K Director Sale −10,000 $20.78 $208K 39,309
2019-08-13 PRINS RICHARD K Director Option exercise · Common Stock −10,000 37,782
2019-08-13 Liawatidewi Yakob SVP Corp Admin Center Option exercise +5,000 $10.93 $55K 41,670
2019-08-13 Liawatidewi Yakob SVP Corp Admin Center Sale −5,000 $20.73 $104K 36,670
2019-08-13 Liawatidewi Yakob SVP Corp Admin Center Option exercise · Employee Stock Option (right to buy) −5,000 16,000
2019-08-12 Liawatidewi Yakob SVP Corp Admin Center Option exercise +5,000 $10.93 $55K 47,188
2019-08-12 Liawatidewi Yakob SVP Corp Admin Center Sale −10,518 $20.44 $215K 36,670
2019-08-12 Liawatidewi Yakob SVP Corp Admin Center Option exercise · Employee Stock Option (right to buy) −5,000 21,000
2019-07-10 Shandell Jason B. President and General Counsel Sale −6,615 $20.31 $134K 154,443
2019-06-14 Zhou Rong EVP, Production Center Shares withheld for taxes −204 $19.82 $4K 58,156
2019-06-14 Liawatidewi Yakob SVP Corp Admin Center Shares withheld for taxes −195 $19.82 $4K 42,188
2019-06-12 ZASLOFF MICHAEL A Director Grant or award +5,491 35,336
2019-06-12 ZASLOFF MICHAEL A Director Grant or award · Stock Option (right to buy) +13,915 13,915
2019-06-12 PRINS RICHARD K Director Grant or award +5,491 39,309
2019-06-12 PRINS RICHARD K Director Grant or award · Stock Option (right to buy) +13,915 13,915
2019-06-12 Petersen Floyd F. Director Grant or award +5,491 76,642
2019-06-12 Petersen Floyd F. Director Grant or award · Stock Option (right to buy) +13,915 13,915
2019-06-12 Lee Howard Director Grant or award +5,491 128,081
2019-06-12 Lee Howard Director Grant or award · Stock Option (right to buy) +13,915 13,915

Page 44 of 81 · 1,602 trades