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AMPHASTAR PHARMACEUTICALS, INC. (AMPH) Summary
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View Filing in PDFView Filing in Original Format  ARS   AMPHASTAR PHARMACEUTICALS, INC.  04/14/25 12/31/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  DEFA14A   AMPHASTAR PHARMACEUTICALS, INC.  04/14/25   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original FormatView Filing in XBRL  DEF 14A   AMPHASTAR PHARMACEUTICALS, INC.  04/14/25 06/02/25   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  4   PETERSEN FLOYD F.  04/02/25 04/01/25   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original FormatView Filing in XBRL  PRE 14A   AMPHASTAR PHARMACEUTICALS, INC.  04/02/25 06/02/25   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in Original Format  144   PETERSEN FLOYD F.  04/01/25   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  4   ZHOU RONG  03/18/25 03/15/25   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  4   ZHANG JACK Y.  03/18/25 03/14/25   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  4   LIAWATIDEWI YAKOB  03/18/25 03/15/25   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  4   PETERS WILLIAM J  03/18/25 03/15/25   File this document to a folder.
 
 Institutional Holders
Total Number of Holders 313
% of Shares Outstanding 74.17%
Total Shares Held 35,231,689
Total Value of Holdings $822,659,938.15
Net Activity (55,443)
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