Put Options

9 transactions
Quarter Operation Price Per put puts change puts Held SEC Form
Q3 2024

Nov 14, 2024

SELL
$36.99 - $50.09 $59,184 - $80,144
-1,600 Reduced 7.84%
18,800 $912,000
Q2 2024

Aug 15, 2024

SELL
$38.65 - $43.48 $954,655 - $1.07 Million
-24,700 Reduced 54.77%
20,400 $816,000
Q1 2024

May 07, 2024

BUY
$42.85 - $63.45 $886,995 - $1.31 Million
20,700 Added 84.84%
45,100 $1.98 Million
Q4 2023

Feb 14, 2024

BUY
$44.49 - $62.93 $75,633 - $106,981
1,700 Added 7.49%
24,400 $1.51 Million
Q3 2023

Nov 14, 2023

SELL
$45.51 - $65.0 $268,509 - $383,500
-5,900 Reduced 20.63%
22,700 $1.04 Million
Q2 2023

Aug 11, 2023

BUY
$35.77 - $58.38 $600,936 - $980,784
16,800 Added 142.37%
28,600 $1.64 Million
Q1 2023

May 16, 2023

BUY
$27.99 - $37.92 $117,558 - $159,264
4,200 Added 55.26%
11,800 $442,000
Q4 2022

Feb 14, 2023

SELL
$27.93 - $31.27 $572,565 - $641,035
-20,500 Reduced 72.95%
7,600 $212,000
Q3 2022

Nov 14, 2022

SELL
$27.56 - $37.75 $2.6 Million - $3.56 Million
-94,300 Reduced 77.04%
28,100 $790,000

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 $2.19B
  • 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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