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 |
|---|---|---|---|
| S-8 | Employee stock plan registration | May 7, 2026 | — |
| 424B5 | Prospectus supplement | Jan 9, 2026 | — |
| 424B5 | Prospectus supplement | Jan 9, 2026 | — |
| FWP | Free writing prospectus | Jan 8, 2026 | — |
| FWP | Free writing prospectus | Jan 8, 2026 | — |
| 424B5 | Prospectus supplement | Jan 7, 2026 | — |
| 424B5 | Prospectus supplement | Jan 7, 2026 | — |
| S-3ASR | Automatic shelf registration | Dec 11, 2025 | — |
| 424B7 | Filing | Mar 7, 2025 | — |
| 424B7 | Filing | Dec 20, 2024 | — |
| S-8 | Employee stock plan registration | Feb 28, 2024 | — |
| 424B5 | Prospectus supplement | Jan 4, 2024 | — |
| S-8 | Employee stock plan registration | Mar 22, 2023 | — |
| S-3ASR | Automatic shelf registration | Dec 5, 2022 | — |
| S-8 | Employee stock plan registration | Dec 22, 2021 | — |
| S-8 | Employee stock plan registration | May 18, 2021 | — |
| 424B5 | Prospectus supplement | Aug 5, 2020 | — |
| S-8 | Employee stock plan registration | May 22, 2020 | — |
| 424B5 | Prospectus supplement | Dec 5, 2019 | — |
| 424B5 | Prospectus supplement | Dec 2, 2019 | — |
| S-3ASR | Automatic shelf registration | Dec 2, 2019 | — |
| S-8 | Employee stock plan registration | Mar 29, 2019 | — |
| S-3ASR | Automatic shelf registration | Nov 29, 2018 | — |
| S-8 | Employee stock plan registration | Mar 22, 2018 | — |
| 424B5 | Prospectus supplement | Jan 19, 2018 | — |
| 424B5 | Prospectus supplement | Jan 17, 2018 | — |
| S-3/A | S-3/a (amendment no.3) | Jan 13, 2017 | — |
| S-3/A | S-3/a (amendment no.3) | Jan 13, 2017 | — |
| S-3/A | Filing | Dec 5, 2016 | — |
| S-3/A | Filing | Dec 5, 2016 | — |
| S-3/A | Filing | Nov 25, 2016 | — |
| S-3/A | Filing | Nov 25, 2016 | — |
| S-3 | Shelf registration | Oct 28, 2016 | — |
| S-3 | Shelf registration | Oct 28, 2016 | — |
| 424B3 | Prospectus | Sep 29, 2016 | — |
| S-3 | Shelf registration | Sep 2, 2016 | — |
| S-8 | Employee stock plan registration | Mar 11, 2016 | — |
| S-8 | Employee stock plan registration | Mar 13, 2015 | — |
| S-3 | Shelf registration | Mar 13, 2015 | — |
| S-8 | Employee stock plan registration | Sep 24, 2014 | — |
| S-8 | Employee stock plan registration | Mar 14, 2014 | — |
| 424B5 | Prospectus supplement | Feb 21, 2014 | — |
| 424B5 | Prospectus supplement | Feb 19, 2014 | — |
| 424B3 | Prospectus | Feb 13, 2014 | — |
| S-3/A | Amendment no. 1 to form s-3 | Feb 11, 2014 | — |
| S-3 | Shelf registration | Feb 4, 2014 | — |
| 424B3 | Prospectus | Nov 6, 2013 | — |
| S-3 | Shelf registration | Oct 28, 2013 | — |
| S-8 | Employee stock plan registration | Sep 3, 2013 | — |
| 424B3 | Prospectus | May 30, 2013 | — |
| S-3 | Shelf registration | May 21, 2013 | — |
| 424B5 | Prospectus supplement | Jan 28, 2013 | — |
| 424B5 | Prospectus supplement | Jan 25, 2013 | — |
| 424B5 | Prospectus supplement | Dec 10, 2012 | — |
| 424B5 | Prospectus supplement | Dec 6, 2012 | — |
| 424B5 | Prospectus supplement | Aug 14, 2012 | — |
| 424B5 | Prospectus supplement | Aug 13, 2012 | — |
| S-8 | Employee stock plan registration | Apr 13, 2012 | — |
| POS AM | Post-effective amendment no. 2 on the form s-3 | Feb 17, 2012 | — |
| POS AM | Post-effective amendment no. 3 on the form s-3 | Feb 17, 2012 | — |
| 424B3 | Prospectus | Feb 3, 2012 | — |
| S-3/A | Amendment no. 1 to form s-3 | Jan 26, 2012 | — |
| 424B3 | Prospectus | Jan 13, 2012 | — |
| 424B3 | Prospectus | Jan 13, 2012 | — |
| S-3/A | Amendment no. 1 to the form s-3 | Jan 10, 2012 | — |
| S-3/A | Amendment no. 1 to form s-3 | Jan 10, 2012 | — |
| S-3 | Shelf registration | Dec 16, 2011 | — |
| S-3 | Shelf registration | Nov 21, 2011 | — |
| S-3 | Shelf registration | Nov 21, 2011 | — |
| 424B2 | Prospectus | Oct 26, 2011 | — |
| S-3 | Shelf registration | Aug 8, 2011 | — |
| S-8 | Employee stock plan registration | Nov 1, 2010 | — |
| 424B5 | Prospectus supplement | Jun 21, 2010 | — |
| 424B3 | Prospectus | Jun 14, 2010 | — |
| 424B3 | Prospectus | Jun 14, 2010 | — |
| POS AM | Post-effective amendment no. 1 | Jun 1, 2010 | — |
| POS AM | Post-effective amendment no. 2 | Jun 1, 2010 | — |
| POS AM | Post-effective amendment no. 1 | Jun 1, 2010 | — |
Showing 78 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.
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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.