A detailed history of State Of Wisconsin Investment Board transactions in Amphastar Pharmaceuticals, Inc. stock. As of the latest transaction made, State Of Wisconsin Investment Board holds 59,231 shares of AMPH stock, worth $1.98 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares
59,231
Previous 31,296 89.26%
Holding current value
$1.98 Million
Previous $1.25 Million 129.74%
% of portfolio
0.01%
Previous 0.0%

Shares

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

Nov 14, 2024

BUY
$36.99 - $50.09 $1.03 Million - $1.4 Million
27,935 Added 89.26%
59,231 $2.87 Million
Q2 2024

Aug 14, 2024

SELL
$38.65 - $43.48 $1.8 Million - $2.02 Million
-46,532 Reduced 59.79%
31,296 $1.25 Million
Q1 2024

May 14, 2024

BUY
$42.85 - $63.45 $1.5 Million - $2.22 Million
35,054 Added 81.95%
77,828 $3.42 Million
Q4 2023

Feb 12, 2024

SELL
$44.49 - $62.93 $10,188 - $14,410
-229 Reduced 0.53%
42,774 $2.65 Million
Q3 2023

Nov 14, 2023

BUY
$45.51 - $65.0 $436,622 - $623,610
9,594 Added 28.72%
43,003 $1.98 Million
Q2 2023

Aug 14, 2023

SELL
$35.77 - $58.38 $65,459 - $106,835
-1,830 Reduced 5.19%
33,409 $1.92 Million
Q1 2023

May 15, 2023

SELL
$27.99 - $37.92 $113,415 - $153,651
-4,052 Reduced 10.31%
35,239 $1.32 Million
Q4 2022

Feb 14, 2023

BUY
$27.93 - $31.27 $5,865 - $6,566
210 Added 0.54%
39,291 $1.1 Million
Q3 2022

Nov 14, 2022

SELL
$27.56 - $37.75 $68,541 - $93,884
-2,487 Reduced 5.98%
39,081 $1.1 Million
Q2 2022

Aug 15, 2022

SELL
$29.79 - $42.29 $269,063 - $381,963
-9,032 Reduced 17.85%
41,568 $1.45 Million
Q4 2020

Feb 03, 2021

SELL
$17.76 - $21.24 $111,888 - $133,812
-6,300 Reduced 11.07%
50,600 $1.02 Million
Q2 2020

Aug 12, 2020

BUY
$14.25 - $22.46 $22,800 - $35,936
1,600 Added 2.89%
56,900 $1.28 Million
Q1 2020

May 06, 2020

BUY
$12.66 - $20.08 $18,990 - $30,119
1,500 Added 2.79%
55,300 $821,000
Q3 2019

Nov 12, 2019

BUY
$19.12 - $22.62 $53,536 - $63,336
2,800 Added 5.49%
53,800 $1.07 Million
Q2 2019

Aug 14, 2019

BUY
$18.92 - $22.96 $60,544 - $73,472
3,200 Added 6.69%
51,000 $1.08 Million
Q1 2019

May 13, 2019

BUY
$19.46 - $25.28 $212,114 - $275,552
10,900 Added 29.54%
47,800 $977,000
Q4 2018

Feb 11, 2019

BUY
$17.72 - $22.51 $12,404 - $15,757
700 Added 1.93%
36,900 $734,000
Q2 2018

Aug 03, 2018

BUY
$14.63 - $19.6 $119,966 - $160,720
8,200 Added 29.29%
36,200 $552,000
Q3 2017

Nov 01, 2017

BUY
$14.73 - $17.99 $412,440 - $503,719
28,000
28,000 $500,000

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 $1.64B
  • 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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