Shares outstanding · 2013–2025
Amphastar Pharmaceuticals shares outstanding
45.6M−4.1% · FY2025
Amphastar Pharmaceuticals (AMPH) reported 45.6M in shares outstanding for fiscal 2025, −4.1% year on year.
| Fiscal year | Shares outstanding | Change | Filing |
|---|---|---|---|
| FY20252025-12-31 | 45.6M | −4.1% | Open → |
| FY20242024-12-31 | 47.6M | −0.9% | Open → |
| FY20232023-12-31 | 48.1M | −0.1% | Open → |
| FY20222022-12-31 | 48.1M | +0.8% | Open → |
| FY20212021-12-31 | 47.7M | +0.5% | Open → |
| FY20202020-12-31 | 47.5M | +2.0% | Open → |
| FY20192019-12-31 | 46.6M | −0.1% | Open → |
| FY20182018-12-31 | 46.6M | +0.0% | Open → |
| FY20172017-12-31 | 46.6M | +0.8% | Open → |
| FY20162016-12-31 | 46.2M | +2.3% | Open → |
| FY20152015-12-31 | 45.2M | +1.2% | Open → |
| FY20142014-12-31 | 44.6M | +15.2% | Open → |
| FY20132013-12-31 | 38.8M | — | Open → |
Shares outstanding — Shares outstanding is the number of shares in issue at the reporting date. A falling count usually means the company is buying back stock; a rising one means it is issuing.
Every row links to its own SEC filing · Fiscal year 2025 · Data as of September 25, 2026 · 2013–2025 compound annual growth +1.4%
Shares outstanding at companies of similar size
Cite this page
Ready-made references for the figures on this page, as published on September 25, 2026.
Wikipedia
{{cite web |title=Amphastar Pharmaceuticals shares outstanding |url=https://companiesranked.com/en/company/amphastar-pharmaceuticals/shares-outstanding |website=CompaniesRanked |date=2026-09-25 |language=en}}APA 7
CompaniesRanked. (September 25, 2026). Amphastar Pharmaceuticals shares outstanding. CompaniesRanked. https://companiesranked.com/en/company/amphastar-pharmaceuticals/shares-outstandingBibTeX
@misc{companiesranked-en-company-amphastar-pharmaceuticals-shares-outstanding-2026,
author = {{CompaniesRanked}},
title = {{Amphastar Pharmaceuticals shares outstanding}},
year = {2026},
howpublished = {\url{https://companiesranked.com/en/company/amphastar-pharmaceuticals/shares-outstanding}},
note = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
urldate = {2026-09-25}
}The filing itself
The numbers above are read from this document: 10-Q · 0001297184-26-000047 · August 6, 2026
{{cite web |title=Amphastar Pharmaceuticals shares outstanding — 10-Q (0001297184-26-000047) |url=https://www.sec.gov/Archives/edgar/data/1297184/000129718426000047/amph-20260630x10q.htm |website=SEC EDGAR |publisher=U.S. Securities and Exchange Commission |date=2026-08-06}}The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.