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 |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2026 | Jun 3, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
May 7, 2026 | May 7, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 19, 2026 | Feb 19, 2026 |
| 8-K |
Current report
Officer or director change
|
Jan 21, 2026 | Jan 21, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 2, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Other events
|
Aug 29, 2025 | Aug 29, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2025 | Jun 4, 2025 |
| 8-K |
Current report
Other events
|
May 28, 2025 | May 27, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 21, 2025 | Apr 21, 2025 |
| 8-K |
Current report
Other events
|
Mar 7, 2025 | Mar 7, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 19, 2025 | Feb 19, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Oct 11, 2024 | Oct 11, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Oct 1, 2024 | Oct 1, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Other events
|
Jul 31, 2024 | Jul 31, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2024 | Jun 6, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 16, 2024 | Apr 16, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change, Other events
|
Mar 29, 2024 | Mar 29, 2024 |
| 8-K |
Current report
Other events
|
Mar 12, 2024 | Mar 12, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 15, 2024 | Feb 15, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Material agreement
|
Sep 7, 2023 | Sep 7, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 16, 2023 | Jun 16, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| 8-K |
Current report
Other events
|
Mar 29, 2023 | Mar 29, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 13, 2023 | Mar 13, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 17, 2023 | Feb 17, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 16, 2023 | Feb 16, 2023 |
| 8-K |
Current report
Other events
|
Jan 23, 2023 | Jan 23, 2023 |
| 8-K |
Current report
Other events
|
Nov 14, 2022 | Nov 14, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2022 | Nov 3, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2022 | Aug 4, 2022 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 10, 2022 | Jun 10, 2022 |
| 8-K |
Current report
Results of operations, Officer or director change, Other events
|
May 17, 2022 | May 17, 2022 |
| 8-K |
Current report
Other events
|
May 10, 2022 | May 10, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 4, 2022 | Apr 4, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 17, 2022 | Feb 17, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 4, 2022 | Jan 4, 2022 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Dec 7, 2021 | Dec 7, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 16, 2021 | Jun 16, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 18, 2021 | Feb 18, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2020 | Jun 12, 2020 |
| 8-K |
Current report
Other events
|
Jun 1, 2020 | Jun 1, 2020 |
| 8-K |
Current report
Results of operations
|
May 7, 2020 | May 7, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 20, 2020 | Feb 20, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2019 | Oct 31, 2019 |
| 8-K |
Current report
Other events
|
Sep 6, 2019 | Sep 4, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2019 | Aug 8, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2019 | Jun 6, 2019 |
| 8-K |
Current report
Officer or director change
|
May 24, 2019 | May 23, 2019 |
| 8-K |
Current report
Results of operations
|
May 2, 2019 | May 2, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 21, 2019 | Feb 21, 2019 |
| 8-K |
Current report
Change to shareholder rights, Officer or director change, Other events
|
Jan 2, 2019 | Jan 2, 2019 |
| 8-K |
Current report
Officer or director change
|
Dec 10, 2018 | Dec 10, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2018 | Nov 1, 2018 |
| 8-K |
Current report
Other events
|
Aug 22, 2018 | Aug 20, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2018 | Aug 2, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2018 | Jun 7, 2018 |
| 8-K |
Current report
Results of operations
|
May 3, 2018 | May 3, 2018 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Apr 23, 2018 | Apr 17, 2018 |
| 8-K/A |
Amended current report
Results of operations
|
Feb 23, 2018 | Feb 22, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 22, 2018 | Feb 22, 2018 |
| 8-K |
Current report
Material agreement, Agreement ended, Results of operations, New debt
|
Nov 2, 2017 | Nov 1, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2017 | Aug 3, 2017 |
| 8-K |
Current report
Bylaw or fiscal year change
|
May 31, 2017 | May 31, 2017 |
Showing 79 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
- 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.