AMPH — Amphastar Pharmaceuticals, Inc. stock price, charts and financials

QT44Amphastar Pharmaceuticals, Inc.

Amphastar Pharmaceuticals, Inc. (NASDAQ: AMPH) is a Healthcare company in the Drug Manufacturers - Specialty & Generic industry. QuoTrend tracks its price, financials, earnings, analyst ratings and insider trades.

Latest market price
19.90
-0.32-1.58%
OverviewShort InterestFilings
AMPHQT44Amphastar Pharmaceuticals, Inc.·NASDAQ
19.90-1.58%

Latest SEC Filings

Form category
Filing Date ▾FormDescriptionFilingDocument
Jul 14, 2026SC 13GBeneficial ownership statement (passive)
Jul 13, 20268-KCurrent report
Jul 13, 20264Statement of changes in beneficial ownership
Jul 13, 20263Initial statement of beneficial ownership
Jul 08, 20268-KCurrent report
Jun 03, 20264Statement of changes in beneficial ownership
Jun 03, 20264Statement of changes in beneficial ownership
Jun 03, 20264Statement of changes in beneficial ownership
Jun 03, 20264Statement of changes in beneficial ownership
Jun 03, 20264Statement of changes in beneficial ownership
Jun 03, 20264Statement of changes in beneficial ownership
May 07, 20268-KCurrent report
May 07, 202610-QQuarterly report
Apr 13, 2026DEF 14ADefinitive proxy statement
Apr 13, 2026ARSAnnual report to shareholders
Apr 13, 2026DEFA14AAdditional proxy soliciting materials
Mar 26, 2026SC 13G/ABeneficial ownership statement (passive, amended)
Mar 17, 20264Statement of changes in beneficial ownership
Mar 17, 20264Statement of changes in beneficial ownership
Mar 17, 20264Statement of changes in beneficial ownership
Mar 17, 20264Statement of changes in beneficial ownership
Mar 16, 20268-KCurrent report
Mar 11, 20264Statement of changes in beneficial ownership
Mar 11, 20264Statement of changes in beneficial ownership
Mar 11, 20264Statement of changes in beneficial ownership
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