AC Immune SA SEC filings ACIU
AC Immune SA has 313 filings in SEC EDGAR's recent list, going back to Aug 28, 2015. Its latest annual report, Form 20-F, was filed on Mar 13, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Nov 4, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| EFFECT | Filing | Jul 31, 2024 | — |
| CORRESP | Letter to the SEC | Jul 29, 2024 | — |
| UPLOAD | Letter from the SEC | Mar 19, 2024 | — |
| EFFECT | Filing | May 5, 2021 | — |
| CORRESP | Letter to the SEC | May 3, 2021 | — |
| UPLOAD | Letter from the SEC | Apr 30, 2021 | — |
| EFFECT | Filing | Nov 5, 2020 | — |
| CORRESP | Letter to the SEC | Nov 3, 2020 | — |
| UPLOAD | Letter from the SEC | Oct 29, 2020 | — |
| UPLOAD | Letter from the SEC | Feb 25, 2020 | — |
| CORRESP | Letter to the SEC | Jan 17, 2020 | — |
| UPLOAD | Letter from the SEC | Jan 6, 2020 | — |
| CORRESP | Letter to the SEC | Dec 20, 2019 | — |
| UPLOAD | Letter from the SEC | Dec 4, 2019 | — |
| EFFECT | Filing | Sep 7, 2018 | — |
| CORRESP | Letter to the SEC | Sep 5, 2018 | — |
| UPLOAD | Letter from the SEC | Aug 29, 2018 | — |
| EFFECT | Filing | Jun 8, 2018 | — |
| CORRESP | Letter to the SEC | Jun 6, 2018 | — |
| CORRESP | Letter to the SEC | May 25, 2018 | — |
| UPLOAD | Letter from the SEC | May 17, 2018 | — |
| CERTNAS | Auto-generated paper document | Sep 23, 2016 | — |
| CT ORDER | Filing | Sep 23, 2016 | — |
| 8-A12B | Filing | Sep 23, 2016 | — |
| EFFECT | Filing | Sep 22, 2016 | — |
| CORRESP | Letter to the SEC | Sep 20, 2016 | — |
| CORRESP | Letter to the SEC | Sep 20, 2016 | — |
| CORRESP | Letter to the SEC | Sep 20, 2016 | — |
| CORRESP | Letter to the SEC | Sep 16, 2016 | — |
| UPLOAD | Letter from the SEC | Sep 15, 2016 | — |
| CORRESP | Letter to the SEC | Sep 13, 2016 | — |
| UPLOAD | Letter from the SEC | Sep 9, 2016 | — |
| CORRESP | Letter to the SEC | Jul 11, 2016 | — |
| UPLOAD | Letter from the SEC | Jun 16, 2016 | — |
| CORRESP | Letter to the SEC | Jun 15, 2016 | — |
| UPLOAD | Letter from the SEC | Jun 14, 2016 | — |
| CORRESP | Letter to the SEC | Jun 8, 2016 | — |
| CORRESP | Letter to the SEC | May 31, 2016 | — |
| UPLOAD | Letter from the SEC | May 25, 2016 | — |
| DRSLTR | Filing | Apr 29, 2016 | — |
| DRS/A | Filing | Apr 29, 2016 | — |
| UPLOAD | Letter from the SEC | Dec 3, 2015 | — |
| DRS/A | Filing | Nov 24, 2015 | — |
| DRSLTR | Filing | Oct 23, 2015 | — |
| DRS/A | Filing | Oct 23, 2015 | — |
| UPLOAD | Letter from the SEC | Oct 19, 2015 | — |
| DRSLTR | Filing | Oct 2, 2015 | — |
| DRS/A | Filing | Oct 2, 2015 | — |
| DRS/A | Filing | Sep 25, 2015 | — |
| UPLOAD | Letter from the SEC | Sep 24, 2015 | — |
| DRS | Filing | Aug 28, 2015 | — |
Showing 51 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
- ACIU (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Switzerland
- Headquarters
- 1015 Lausanne, Switzerland
- SEC filer status
- Accelerated filer
- SEC CIK
- 1651625
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.