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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
2021-11-11 PETERS WILLIAM J CFO, EVP & Treasurer Option exercise +10,000 $11.33 $113K 115,689
2021-11-11 PETERS WILLIAM J CFO, EVP & Treasurer Sale −10,000 $21.33 $213K 105,689
2021-11-11 PETERS WILLIAM J CFO, EVP & Treasurer Option exercise · Employee Stock Option (right to buy) −10,000 19,800
2021-08-16 PETERS WILLIAM J CFO, EVP & Treasurer Sale −6,589 $19.35 $128K 105,689
2021-08-02 Zhou Rong EVP, Production Center Option exercise +6,000 $10.48 $63K 92,244
2021-08-02 Zhou Rong EVP, Production Center Sale −9,123 $21.24 $194K 83,121
2021-08-02 Zhou Rong EVP, Production Center Option exercise · Employee Stock Option (right to buy) −6,000 7,813
2021-08-02 Liawatidewi Yakob EVP Corp Admin Center Option exercise +8,932 $14.95 $134K 63,009
2021-08-02 Liawatidewi Yakob EVP Corp Admin Center Sale −8,932 $21.14 $189K 54,077
2021-08-02 Liawatidewi Yakob EVP Corp Admin Center Option exercise · Employee Stock Option (right to buy) −8,932 0
2021-07-26 Zhou Rong EVP, Production Center Option exercise +6,000 $10.48 $63K 92,244
2021-07-26 Zhou Rong EVP, Production Center Sale −6,000 $20.87 $125K 86,244
2021-07-26 Zhou Rong EVP, Production Center Option exercise · Employee Stock Option (right to buy) −6,000 13,813
2021-07-20 Zhou Rong EVP, Production Center Option exercise +5,187 $10.48 $54K 91,431
2021-07-20 Zhou Rong EVP, Production Center Sale −5,187 $20.57 $107K 86,244
2021-07-20 Zhou Rong EVP, Production Center Option exercise · Employee Stock Option (right to buy) −5,187 19,813
2021-07-15 Liawatidewi Yakob EVP Corp Admin Center Option exercise +23,352 $13.35 $312K 77,927
2021-07-15 Liawatidewi Yakob EVP Corp Admin Center Option exercise +7,674 $13.03 $100K 85,601
2021-07-15 Liawatidewi Yakob EVP Corp Admin Center Sale −31,524 $20.01 $631K 54,077
2021-07-15 Liawatidewi Yakob EVP Corp Admin Center Option exercise · Employee Stock Option (right to buy) −23,352 0

Page 30 of 81 · 1,602 trades