# Appian Corp: Form SCHEDULE 13D/A, filed Feb 5, 2026

- Company: [Appian Corp](/companies/appn.md) (CIK 1441683)
- Form: SCHEDULE 13D/A
- Filed: 2026-02-05
- Accepted by EDGAR: Feb 5, 2026, 18:44 ET
- Period: not reported
- Accession: 0000902664-26-000734
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/1441683/000090266426000734/xslSCHEDULE_13D_X01/primary_doc.xml
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1441683/000090266426000734/

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1441683/000090266426000734/xslSCHEDULE_13D_X01/primary_doc.xml

Filed Feb 5, 2026.
Source: SEC EDGAR, the filing index for accession 0000902664-26-000734. Last ingested by Listed: Oct 30, 2026, 13:39 ET. No prices; not investment advice.