A detailed history of Quadrant Capital Group LLC transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, Quadrant Capital Group LLC holds 740 shares of AMPH stock, worth $33,344. This represents 0.0% of its overall portfolio holdings.

Number of Shares
740
Previous 793 6.68%
Holding current value
$33,344
Previous $31,000 12.9%
% of portfolio
0.0%
Previous 0.0%

Shares

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

Nov 12, 2024

SELL
$36.99 - $50.09 $1,960 - $2,654
-53 Reduced 6.68%
740 $35,000
Q2 2024

Aug 12, 2024

SELL
$38.65 - $43.48 $386 - $434
-10 Reduced 1.25%
793 $31,000
Q1 2024

May 15, 2024

SELL
$42.85 - $63.45 $9,555 - $14,149
-223 Reduced 21.73%
803 $35,000
Q4 2023

Feb 08, 2024

BUY
$44.49 - $62.93 $9,921 - $14,033
223 Added 27.77%
1,026 $63,000
Q3 2023

Nov 14, 2023

SELL
$45.51 - $65.0 $864 - $1,235
-19 Reduced 2.31%
803 $36,000
Q2 2023

Aug 09, 2023

BUY
$35.77 - $58.38 $357 - $583
10 Added 1.23%
822 $47,000
Q1 2023

May 11, 2023

BUY
$27.99 - $37.92 $14,302 - $19,377
511 Added 169.77%
812 $30,000
Q4 2022

Feb 10, 2023

SELL
$27.93 - $31.27 $2,876 - $3,220
-103 Reduced 25.5%
301 $8,000
Q3 2022

Nov 10, 2022

BUY
$27.56 - $37.75 $4,878 - $6,681
177 Added 77.97%
404 $11,000
Q2 2022

Aug 09, 2022

SELL
$29.79 - $42.29 $4,974 - $7,062
-167 Reduced 42.39%
227 $8,000
Q1 2022

May 06, 2022

BUY
$22.96 - $36.45 $3,421 - $5,431
149 Added 60.82%
394 $14,000
Q4 2021

Feb 01, 2022

SELL
$18.14 - $23.29 $2,013 - $2,585
-111 Reduced 31.18%
245 $6,000
Q3 2021

Nov 12, 2021

BUY
$17.83 - $21.49 $4,421 - $5,329
248 Added 229.63%
356 $7,000
Q2 2021

Aug 09, 2021

SELL
$17.11 - $20.92 $171 - $209
-10 Reduced 8.47%
108 $2,000
Q1 2021

May 12, 2021

BUY
$17.21 - $20.65 $1,084 - $1,300
63 Added 114.55%
118 $2,000
Q1 2020

May 15, 2020

BUY
$12.66 - $20.08 $696 - $1,104
55 New
55 $1,000
Q3 2019

Oct 24, 2019

SELL
$19.12 - $22.62 $50,400 - $59,626
-2,636 Closed
0 $0
Q1 2019

Apr 29, 2019

BUY
$19.46 - $25.28 $51,296 - $66,638
2,636 New
2,636 $53,000

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 $2.21B
  • 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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