A detailed history of Torren Management, LLC transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Torren Management, LLC holds 762 shares of AMPH stock, worth $19,857. This represents 0.01% of its overall portfolio holdings.

Number of Shares
762
Holding current value
$19,857
% of portfolio
0.01%

Shares

1 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q4 2025

Jan 29, 2026

BUY
$23.14 - $27.83 $17,632 - $21,206
762 New
762 $20.4 Million

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 $1.28B
  • 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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