Sign in

CIK 0001297184 · Large accelerated filer

Amphastar Pharmaceuticals, Inc.

Sign in to watch
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
2016-08-11 PRINS RICHARD K Director Option exercise +7,500 $10.77 $81K 43,079
2016-08-11 PRINS RICHARD K Director Sale −13,993 $18.03 $252K 29,086
2016-08-11 PRINS RICHARD K Director Option exercise · Stock Option (right to buy) −2,595 0
2016-08-11 PRINS RICHARD K Director Option exercise · Stock Option (right to buy) −3,898 0
2016-08-11 PRINS RICHARD K Director Option exercise · Stock Option (right to buy) −7,500 32,500
2016-07-18 PETERS WILLIAM J CFO, SVP & Treasurer Sale −2,297 $17.76 $41K 64,652
2016-07-05 Shandell Jason B. President and General Counsel Shares withheld for taxes −3,394 $16.33 $55K 214,584
2016-06-15 Zhou Rong EVP, Production Center Sale −1,551 $15.85 $25K 37,137
2016-06-15 Zhou Rong EVP, Production Center Shares withheld for taxes −146 $15.76 $2K 36,991
2016-06-15 Gerst Diane G. EVP, QA & Regulatory Affairs Shares withheld for taxes −146 $15.76 $2K 28,985
2016-06-13 PRINS RICHARD K Director Option exercise +7,500 $14.23 $107K 36,586
2016-06-13 PRINS RICHARD K Director Sale −7,500 $15.94 $120K 29,086
2016-06-13 PRINS RICHARD K Director Option exercise · Stock Option (right to buy) −7,500 3,898
2016-06-09 ZASLOFF MICHAEL A Director Grant or award +6,086 32,411
2016-06-09 ZASLOFF MICHAEL A Director Grant or award · Stock Option (right to buy) +25,827 25,827
2016-06-09 Shohet Stephen B. Director Grant or award +6,086 18,272
2016-06-09 Shohet Stephen B. Director Grant or award · Stock Option (right to buy) +25,827 25,827
2016-06-09 PRINS RICHARD K Director Grant or award +6,086 29,086
2016-06-09 PRINS RICHARD K Director Grant or award · Stock Option (right to buy) +25,827 25,827
2016-06-09 Petersen Floyd F. Director Grant or award +6,086 63,317

Page 68 of 81 · 1,602 trades