Prins Richard K
Reporting Owner SEC Filing List

CIK: 0001047579
Form Filer Subject Company Filing Agent Date Actions
4Statement of changes in beneficial owner...Amphastar Pharmaceuticals, Inc. 08/12/2026
4Statement of changes in beneficial owner...Prins Richard K 08/12/2026
4Statement of changes in beneficial owner...Amphastar Pharmaceuticals, Inc. 06/03/2026
4Statement of changes in beneficial owner...Prins Richard K 06/03/2026
4Statement of changes in beneficial owner...Amphastar Pharmaceuticals, Inc. 06/03/2026
4Statement of changes in beneficial owner...Prins Richard K 06/03/2026
4Statement of changes in beneficial owner...Igc Pharma, Inc. Federal Filings, Llc /fa 04/06/2026
4Statement of changes in beneficial owner...Prins Richard K Federal Filings, Llc /fa 04/06/2026
4Statement of changes in beneficial owner...Igc Pharma, Inc. Federal Filings, Llc /fa 01/20/2026
4Statement of changes in beneficial owner...Prins Richard K Federal Filings, Llc /fa 01/20/2026
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Prins Richard K 's Ownership Transactions

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Shares Price Total Amt Shares Owned