Arrowhead Pharmaceuticals, Inc. SEC filings ARWR
Arrowhead Pharmaceuticals, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Apr 30, 2010. Its latest annual report, Form ARS, was filed on Jan 27, 2026 for the period ended Jan 26, 2026. The latest quarterly report (Form 10-Q) was filed on Aug 4, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (material agreement, new debt). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| ARS | Annual report to shareholders | Jan 27, 2026 | Jan 26, 2026 |
| 10-K | Annual report | Nov 25, 2025 | Sep 30, 2025 |
| 10-K/A | Amended annual report | Oct 10, 2025 | Sep 30, 2024 |
| ARS | Annual report to shareholders | Jan 29, 2025 | Jan 28, 2025 |
| 10-K | Annual report | Nov 26, 2024 | Sep 30, 2024 |
| ARS | Annual report to shareholders | Jan 29, 2024 | Jan 26, 2024 |
| 10-K | Annual report | Nov 29, 2023 | Sep 30, 2023 |
| 10-K | Annual report | Nov 28, 2022 | Sep 30, 2022 |
| 10-K | Annual report | Nov 22, 2021 | Sep 30, 2021 |
| 10-K | Annual report | Nov 23, 2020 | Sep 30, 2020 |
| 10-K | Annual report | Nov 25, 2019 | Sep 30, 2019 |
| 10-K | Annual report | Dec 11, 2018 | Sep 30, 2018 |
| 10-K | Annual report | Dec 12, 2017 | Sep 30, 2017 |
| 10-K | Annual report | Dec 14, 2016 | Sep 30, 2016 |
| 10-K | Annual report | Dec 14, 2015 | Sep 30, 2015 |
| 10-K | Annual report | Nov 25, 2014 | Sep 30, 2014 |
| 10-K | Annual report | Dec 18, 2013 | Sep 30, 2013 |
| 10-K | Annual report | Dec 28, 2012 | Sep 30, 2012 |
| 10-K | Annual report | Dec 20, 2011 | Sep 30, 2011 |
| 10-K | Annual report | Dec 22, 2010 | Sep 30, 2010 |
Showing 20 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ARWR (Nasdaq)
- Fiscal year ends
- September 30
- Incorporated in
- DE
- Headquarters
- Pasadena, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 879407
- Former names
- ARROWHEAD RESEARCH CORP (until Apr 6, 2016); INTERACTIVE GROUP INC (until Jan 9, 2004); INTERACTIVE INC (until Feb 13, 2002)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.