A detailed history of Group One Trading, L.P. transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Group One Trading, L.P. holds 814 shares of AMPH stock, worth $39,324. This represents 0.0% of its overall portfolio holdings.

Number of Shares
814
Holding current value
$39,324
% of portfolio
0.0%

Shares

9 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2024

Aug 14, 2024

BUY
$38.65 - $43.48 $31,461 - $35,392
814 New
814 $32,000
Q2 2023

Aug 09, 2023

BUY
$35.77 - $58.38 $10,516 - $17,163
294 Added 294.0%
394 $22,000
Q1 2023

May 12, 2023

BUY
$27.99 - $37.92 $2,799 - $3,792
100 New
100 $3,000
Q2 2022

Aug 11, 2022

BUY
$29.79 - $42.29 $39,501 - $56,076
1,326 Added 53.04%
3,826 $133,000
Q1 2022

May 12, 2022

BUY
$22.96 - $36.45 $57,400 - $91,125
2,500 New
2,500 $90,000
Q3 2021

Nov 12, 2021

SELL
$17.83 - $21.49 $1,782 - $2,149
-100 Closed
0 $0
Q2 2021

Aug 10, 2021

BUY
$17.11 - $20.92 $1,711 - $2,092
100 New
100 $2,000
Q3 2017

Nov 15, 2017

SELL
$14.73 - $17.99 $11,798 - $14,409
-801 Closed
0 $0
Q2 2017

Aug 14, 2017

BUY
N/A
801
801 $14,000

Others Institutions Holding AMPH

About Amphastar Pharmaceuticals, Inc.


  • Ticker AMPH
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Drug Manufacturers—Specialty & Generic
  • Shares Outstandng 49,015,200
  • Market Cap $2.37B
  • Description
  • Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. The company operates through two segments, Finished Pharmaceutical Products and API. It offers Primatene Mist, an over-the-count...
More about AMPH
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