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Amphastar Pharmaceuticals, Inc. (AMPH)  
$40.71 0.24 (0.59%) as of 4:30 Fri 6/7


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  Company Roster

Total Insiders  : 17  
Total Direct Shares :
6,920,508
Total Indirect Shares :
25,384,643
 
% Held by Insiders:
14.57%
 
11 other people own 
 $22,358,258 Lee Howard
 $6,016,002 Shandell Jason B.
 $7,298,326 Koo Richard
 $10,555,655 Zhang Jack Y.
 $44,960,775 Applied Physics & Chemist...
 $91,474,881 Luo Mary Z.
 $99,069,983  
 
Filer's Name Relation Direct Date   Direct Shares Indirect Date Indirect Shares
   Applied Physics & Chemistry Laboratories, Inc. 10% Owner 2021-02-18 2,246,988 2021-02-18 8,282,640
   Deflin Gayle 2024-06-03 5,792 2021-06-07 0
   Gerst Diane G. 2024-06-03 18,634 0
   Koo Richard Director 2021-06-07 259,289 2021-06-07 10,000
   Lee Howard 2024-06-05 147,777 0
   Liawatidewi Yakob 2024-06-04 74,938 2024-06-04 2,459
   Luo Mary Z. COO,Chief Scientist & Chairman, Director, 10% Owner 2024-03-17 2,433,554 2024-03-17 8,057,435
   Maris David Director 2021-06-07 19,170 2020-06-08 0
   Peters William J 2024-05-19 97,268 0
   Petersen Floyd F. 2024-06-03 81,409 0
   Prins Richard K 2024-06-03 33,971 0
   Purchase Marilyn J. Corp. Exec. VP of Operations 2015-04-09 44,902 2015-04-09 16,044
   Shandell Jason B. President and General Counsel, Director 2020-03-17 179,276 0
   Shohet Stephen B. Director 2018-12-10 30,706 2014-08-15 0
   Zasloff Michael A 2024-06-03 24,402 0
   Zhang Jack Y. CEO & Chief Scientific Officer, Director, 10% Owner 2024-01-10 1,104,416 2024-01-10 8,911,397
   Zhou Rong 2024-03-17 118,016 2024-03-17 104,668
17 Records found