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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
2020-03-16 Liawatidewi Yakob SVP Corp Admin Center Grant or award · Employee Stock Option (right to buy) +43,850 43,850
2020-03-16 Zhou Rong EVP, Production Center Shares withheld for taxes −1,020 $13.03 $13K 55,483
2020-03-16 Zhou Rong EVP, Production Center Grant or award +26,400 81,883
2020-03-16 Zhou Rong EVP, Production Center Grant or award · Employee Stock Option (right to buy) +61,822 61,822
2020-03-16 PETERS WILLIAM J CFO, SVP & Treasurer Shares withheld for taxes −2,915 $13.03 $38K 67,181
2020-03-16 PETERS WILLIAM J CFO, SVP & Treasurer Grant or award +40,291 107,472
2020-03-16 PETERS WILLIAM J CFO, SVP & Treasurer Grant or award · Employee Stock Option (right to buy) +94,350 94,350
2020-03-16 Shandell Jason B. President and General Counsel Shares withheld for taxes −7,893 $13.03 $103K 124,109
2020-03-16 Shandell Jason B. President and General Counsel Grant or award +64,466 188,575
2020-03-16 Shandell Jason B. President and General Counsel Grant or award · Employee Stock Option (right to buy) +150,958 150,958
2020-03-16 Zhang Jack Y. CEO & Chief Scientific Officer Shares withheld for taxes −25,873 $13.03 $337K 2,094,264
2020-03-16 Zhang Jack Y. CEO & Chief Scientific Officer Grant or award +152,724 2,246,988
2020-03-16 Zhang Jack Y. CEO & Chief Scientific Officer Shares withheld for taxes −7,771 $13.03 $101K 1,381,658
2020-03-16 Zhang Jack Y. CEO & Chief Scientific Officer Grant or award +68,303 1,449,961
2020-03-16 Zhang Jack Y. CEO & Chief Scientific Officer Grant or award · Employee Stock Option (right to buy) +405,003 405,003
2020-03-16 Zhang Jack Y. CEO & Chief Scientific Officer Grant or award · Employee Stock Option (right to buy) +181,134 181,134
2020-03-15 Liawatidewi Yakob SVP Corp Admin Center Shares withheld for taxes −1,559 $14.19 $22K 32,111
2020-03-15 Zhou Rong EVP, Production Center Shares withheld for taxes −1,653 $14.19 $23K 56,503
2020-03-15 PETERS WILLIAM J CFO, SVP & Treasurer Shares withheld for taxes −4,178 $14.19 $59K 70,096
2020-03-15 Shandell Jason B. President and General Counsel Shares withheld for taxes −6,896 $14.19 $98K 132,002

Page 41 of 81 · 1,602 trades