A detailed history of Summer Haven Investment Management, LLC transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Summer Haven Investment Management, LLC holds 38,200 shares of AMPH stock, worth $995,492. This represents 0.61% of its overall portfolio holdings.

Number of Shares
38,200
Holding current value
$995,492
% of portfolio
0.61%

Shares

1 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 03, 2025

BUY
$20.62 - $30.81 $787,684 - $1.18 Million
38,200 New
38,200 $1.02 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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