Shares

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

Oct 31, 2024

SELL
$36.99 - $50.09 $597,573 - $809,203
-16,155 Reduced 7.4%
202,017 $9.8 Million
Q2 2024

Jul 29, 2024

SELL
$38.65 - $43.48 $15,537 - $17,478
-402 Reduced 0.18%
218,172 $8.73 Million
Q1 2024

Apr 29, 2024

BUY
$42.85 - $63.45 $669,359 - $991,152
15,621 Added 7.7%
218,574 $9.6 Million
Q4 2023

Feb 07, 2024

SELL
$44.49 - $62.93 $315,122 - $445,733
-7,083 Reduced 3.37%
202,953 $12.6 Million
Q3 2023

Nov 02, 2023

SELL
$45.51 - $65.0 $852,083 - $1.22 Million
-18,723 Reduced 8.18%
210,036 $9.66 Million
Q2 2023

Aug 07, 2023

SELL
$35.77 - $58.38 $142,400 - $232,410
-3,981 Reduced 1.71%
228,759 $13.1 Million
Q1 2023

May 09, 2023

SELL
$27.99 - $37.92 $173,873 - $235,559
-6,212 Reduced 2.6%
232,740 $8.73 Million
Q4 2022

Feb 09, 2023

SELL
$27.93 - $31.27 $161,742 - $181,084
-5,791 Reduced 2.37%
238,952 $6.7 Million
Q3 2022

Nov 09, 2022

SELL
$27.56 - $37.75 $325,235 - $445,487
-11,801 Reduced 4.6%
244,743 $6.88 Million
Q2 2022

Aug 10, 2022

SELL
$29.79 - $42.29 $308,624 - $438,124
-10,360 Reduced 3.88%
256,544 $8.93 Million
Q1 2022

May 09, 2022

SELL
$22.96 - $36.45 $322,266 - $511,612
-14,036 Reduced 5.0%
266,904 $9.58 Million
Q4 2021

Feb 09, 2022

BUY
$18.14 - $23.29 $521,924 - $670,099
28,772 Added 11.41%
280,940 $6.54 Million
Q3 2021

Nov 09, 2021

SELL
$17.83 - $21.49 $27,030 - $32,578
-1,516 Reduced 0.6%
252,168 $4.79 Million
Q2 2021

Aug 10, 2021

BUY
$17.11 - $20.92 $39,010 - $47,697
2,280 Added 0.91%
253,684 $5.11 Million
Q1 2021

May 10, 2021

SELL
$17.21 - $20.65 $3,855 - $4,625
-224 Reduced 0.09%
251,404 $4.61 Million
Q4 2020

Feb 08, 2021

SELL
$17.76 - $21.24 $175,983 - $210,467
-9,909 Reduced 3.79%
251,628 $5.06 Million
Q3 2020

Nov 06, 2020

BUY
$17.99 - $22.22 $173,585 - $214,400
9,649 Added 3.83%
261,537 $4.9 Million
Q2 2020

Aug 05, 2020

SELL
$14.25 - $22.46 $115,054 - $181,342
-8,074 Reduced 3.11%
251,888 $5.66 Million
Q1 2020

May 12, 2020

SELL
$12.66 - $20.08 $136,120 - $215,900
-10,752 Reduced 3.97%
259,962 $3.86 Million
Q4 2019

Feb 05, 2020

SELL
$17.07 - $20.64 $195,707 - $236,637
-11,465 Reduced 4.06%
270,714 $5.22 Million
Q3 2019

Nov 13, 2019

SELL
$19.12 - $22.62 $200,721 - $237,464
-10,498 Reduced 3.59%
282,179 $5.6 Million
Q2 2019

Aug 12, 2019

BUY
$18.92 - $22.96 $280,962 - $340,956
14,850 Added 5.35%
292,677 $6.18 Million
Q1 2019

May 10, 2019

SELL
$19.46 - $25.28 $55,713 - $72,376
-2,863 Reduced 1.02%
277,827 $5.68 Million
Q4 2018

Feb 14, 2019

BUY
$17.72 - $22.51 $10,189 - $12,943
575 Added 0.21%
280,690 $5.59 Million
Q3 2018

Nov 14, 2018

BUY
$15.39 - $19.38 $7,510 - $9,457
488 Added 0.17%
280,115 $5.39 Million
Q2 2018

Aug 13, 2018

BUY
$14.63 - $19.6 $90,691 - $121,500
6,199 Added 2.27%
279,627 $0
Q1 2018

May 14, 2018

BUY
$17.23 - $20.35 $99,744 - $117,806
5,789 Added 2.16%
273,428 $5.13 Million
Q4 2017

Feb 13, 2018

SELL
$17.76 - $19.75 $225,356 - $250,607
-12,689 Reduced 4.53%
267,639 $5.15 Million
Q3 2017

Nov 02, 2017

BUY
$14.73 - $17.99 $4.13 Million - $5.04 Million
280,328
280,328 $5.01 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 $1.92B
  • 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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