Syndax Pharmaceuticals Inc SEC filings SNDX
Syndax Pharmaceuticals Inc has 657 filings in SEC EDGAR's recent list, going back to Apr 6, 2007. Its latest annual report, Form ARS, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 2, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 2, 2026 (results of operations, officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Feb 26, 2026 | — |
| S-8 | Employee stock plan registration | Mar 4, 2025 | — |
| S-3ASR | Automatic shelf registration | Feb 27, 2024 | — |
| S-8 | Employee stock plan registration | Feb 27, 2024 | — |
| 424B5 | Prospectus supplement | Dec 15, 2023 | — |
| 424B5 | Prospectus supplement | Dec 14, 2023 | — |
| 424B5 | Prospectus supplement | May 26, 2023 | — |
| S-8 | Employee stock plan registration | Feb 28, 2023 | — |
| 424B5 | Prospectus supplement | Dec 7, 2022 | — |
| 424B5 | Prospectus supplement | Dec 6, 2022 | — |
| S-8 | Employee stock plan registration | Mar 1, 2022 | — |
| 424B5 | Prospectus supplement | Dec 17, 2021 | — |
| 424B5 | Prospectus supplement | Dec 16, 2021 | — |
| 424B5 | Prospectus supplement | Dec 9, 2021 | — |
| S-8 | Employee stock plan registration | Aug 9, 2021 | — |
| S-3ASR | Automatic shelf registration | Mar 24, 2021 | — |
| S-3 | Shelf registration | Mar 22, 2021 | — |
| 424B5 | Prospectus supplement | Dec 9, 2020 | — |
| 424B5 | Prospectus supplement | Dec 7, 2020 | — |
| S-8 | Employee stock plan registration | Aug 6, 2020 | — |
| 424B5 | Prospectus supplement | May 4, 2020 | — |
| 424B5 | Prospectus supplement | Apr 30, 2020 | — |
| 424B5 | Prospectus supplement | Feb 3, 2020 | — |
| 424B5 | Prospectus supplement | Sep 10, 2019 | — |
| S-3 | Shelf registration | Aug 30, 2019 | — |
| S-8 | Employee stock plan registration | Aug 7, 2019 | — |
| 424B5 | Prospectus supplement | Mar 29, 2019 | — |
| 424B5 | Prospectus supplement | Mar 28, 2019 | — |
| S-8 | Employee stock plan registration | Aug 8, 2018 | — |
| 424B5 | Prospectus supplement | Oct 18, 2017 | — |
| S-8 | Employee stock plan registration | Aug 25, 2017 | — |
| 424B5 | Prospectus supplement | May 25, 2017 | — |
| 424B5 | Prospectus supplement | May 23, 2017 | — |
| S-3 | Shelf registration | Apr 6, 2017 | — |
| S-8 | Employee stock plan registration | Mar 25, 2016 | — |
| 424B4 | Prospectus | Mar 3, 2016 | — |
| S-1/A | Amended registration statement | Feb 26, 2016 | — |
| S-1/A | Amended registration statement | Feb 22, 2016 | — |
| S-1/A | Amended registration statement | Feb 10, 2016 | — |
| S-1/A | Amended registration statement | Jan 11, 2016 | — |
| S-1 | Registration statement | Jan 4, 2016 | — |
| S-1/A | Amended registration statement | Nov 21, 2014 | — |
| S-1/A | Amended registration statement | Aug 28, 2014 | — |
| S-1/A | Amended registration statement | Jun 18, 2014 | — |
| S-1/A | Amended registration statement | Jun 5, 2014 | — |
| S-1/A | Amended registration statement | May 16, 2014 | — |
| S-1 | Registration statement | Mar 27, 2014 | — |
Showing 47 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
- SNDX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1395937
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.