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AMPH

QT81Amphastar Pharmaceuticals, Inc.
NASDAQ·Healthcare·Drug Manufacturers - Specialty & Generic·USA
Latest market price
18.81
-0.60-3.09%
OverviewShort InterestFilings
AMPHQT81Amphastar Pharmaceuticals, Inc.·NASDAQ
OverviewShort InterestFilings
18.81-3.09%

Latest SEC Filings

Form category
Filing Date ▾Report DateFormDescriptionFilingDocument
Jun 03, 2026Jun 03, 20264Statement of changes in beneficial ownership
Jun 03, 2026Jun 03, 20264Statement of changes in beneficial ownership
Jun 03, 2026Jun 03, 20264Statement of changes in beneficial ownership
Jun 03, 2026Jun 03, 20264Statement of changes in beneficial ownership
Jun 03, 2026Jun 03, 20264Statement of changes in beneficial ownership
Jun 03, 2026Jun 03, 20264Statement of changes in beneficial ownership
May 07, 2026May 07, 20268-KCurrent report
May 07, 2026May 07, 202610-QQuarterly report
Apr 13, 2026Apr 13, 2026DEF 14ADefinitive proxy statement
Apr 13, 2026Apr 13, 2026ARSARS
Apr 13, 2026Apr 13, 2026DEFA14AAdditional proxy soliciting materials
Mar 26, 2026Mar 26, 2026SC 13G/ASC 13G/A
Mar 17, 2026Mar 17, 20264Statement of changes in beneficial ownership
Mar 17, 2026Mar 17, 20264Statement of changes in beneficial ownership
Mar 17, 2026Mar 17, 20264Statement of changes in beneficial ownership
Mar 17, 2026Mar 17, 20264Statement of changes in beneficial ownership
Mar 16, 2026Mar 16, 20268-KCurrent report
Mar 11, 2026Mar 11, 20264Statement of changes in beneficial ownership
Mar 11, 2026Mar 11, 20264Statement of changes in beneficial ownership
Mar 11, 2026Mar 11, 20264Statement of changes in beneficial ownership
Mar 11, 2026Mar 11, 20264Statement of changes in beneficial ownership
Mar 10, 2026Mar 10, 20264Statement of changes in beneficial ownership
Mar 10, 2026Mar 10, 20264Statement of changes in beneficial ownership
Mar 10, 2026Mar 10, 20264Statement of changes in beneficial ownership
Mar 10, 2026Mar 10, 20264Statement of changes in beneficial ownership
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