A detailed history of American Century Companies Inc transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, American Century Companies Inc holds 639,592 shares of AMPH stock, worth $24.5 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares
639,592
Previous 740,408 13.62%
Holding current value
$24.5 Million
Previous $29.6 Million 4.8%
% of portfolio
0.02%
Previous 0.02%

Shares

14 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 12, 2024

SELL
$36.99 - $50.09 $3.73 Million - $5.05 Million
-100,816 Reduced 13.62%
639,592 $31 Million
Q2 2024

Aug 07, 2024

BUY
$38.65 - $43.48 $4.71 Million - $5.29 Million
121,764 Added 19.68%
740,408 $29.6 Million
Q1 2024

May 14, 2024

BUY
$42.85 - $63.45 $12 Million - $17.8 Million
280,954 Added 83.2%
618,644 $27.2 Million
Q4 2023

Feb 13, 2024

BUY
$44.49 - $62.93 $15 Million - $21.3 Million
337,690 New
337,690 $20.9 Million
Q3 2023

Nov 13, 2023

BUY
$45.51 - $65.0 $3.13 Million - $4.46 Million
68,668 Added 52.18%
200,277 $9.21 Million
Q2 2023

Aug 14, 2023

BUY
$35.77 - $58.38 $385,886 - $629,803
10,788 Added 8.93%
131,609 $7.56 Million
Q1 2023

May 11, 2023

BUY
$27.99 - $37.92 $2.3 Million - $3.11 Million
82,021 Added 211.39%
120,821 $4.53 Million
Q4 2022

Feb 13, 2023

SELL
$27.93 - $31.27 $479,837 - $537,218
-17,180 Reduced 30.69%
38,800 $1.09 Million
Q3 2022

Nov 14, 2022

BUY
$27.56 - $37.75 $294,533 - $403,434
10,687 Added 23.6%
55,980 $1.57 Million
Q2 2022

Aug 12, 2022

SELL
$29.79 - $42.29 $981,193 - $1.39 Million
-32,937 Reduced 42.1%
45,293 $1.58 Million
Q1 2022

May 11, 2022

SELL
$22.96 - $36.45 $350,874 - $557,028
-15,282 Reduced 16.34%
78,230 $2.81 Million
Q4 2021

Feb 07, 2022

BUY
$18.14 - $23.29 $168,538 - $216,387
9,291 Added 11.03%
93,512 $2.18 Million
Q3 2021

Nov 10, 2021

SELL
$17.83 - $21.49 $161,664 - $194,849
-9,067 Reduced 9.72%
84,221 $1.6 Million
Q2 2021

Aug 05, 2021

BUY
$17.11 - $20.92 $1.6 Million - $1.95 Million
93,288 New
93,288 $1.88 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 $1.88B
  • 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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