Appian Corp SEC filings APPN
Appian Corp has 992 filings in SEC EDGAR's recent list, going back to Jul 30, 2008. Its latest annual report, Form ARS, was filed on Apr 22, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Jun 18, 2026 | — |
| S-8 | Employee stock plan registration | Sep 2, 2021 | — |
| S-3ASR | Automatic shelf registration | Aug 18, 2021 | — |
| 424B5 | Prospectus supplement | Jun 1, 2020 | — |
| 424B5 | Prospectus supplement | May 28, 2020 | — |
| 424B5 | Prospectus supplement | Sep 6, 2019 | — |
| 424B5 | Prospectus supplement | Sep 4, 2019 | — |
| 424B5 | Prospectus supplement | Aug 22, 2018 | — |
| 424B5 | Prospectus supplement | Aug 20, 2018 | — |
| S-3ASR | Automatic shelf registration | Aug 20, 2018 | — |
| 424B4 | Prospectus | Nov 16, 2017 | — |
| S-1 | Registration statement | Nov 13, 2017 | — |
| S-8 | Employee stock plan registration | May 30, 2017 | — |
| 424B4 | Prospectus | May 26, 2017 | — |
| S-1/A | Amended registration statement | May 12, 2017 | — |
| S-1/A | Amended registration statement | May 10, 2017 | — |
| S-1/A | Amended registration statement | May 8, 2017 | — |
| S-1 | Registration statement | Apr 27, 2017 | — |
Showing 18 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
- Services-Prepackaged Software (SIC 7372)
- Listed as
- APPN (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Mclean, VA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1441683
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.