# Appian Corp: Form SCHEDULE 13D/A, filed May 20, 2025

- Company: [Appian Corp](/companies/appn.md) (CIK 1441683)
- Form: SCHEDULE 13D/A
- Filed: 2025-05-20
- Accepted by EDGAR: May 20, 2025, 21:31 ET
- Period: not reported
- Accession: 0000950170-25-075517
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/1441683/000095017025075517/xslSCHEDULE_13D_X01/primary_doc.xml
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1441683/000095017025075517/

## 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/1441683/000095017025075517/xslSCHEDULE_13D_X01/primary_doc.xml

Filed May 20, 2025.
Source: SEC EDGAR, the filing index for accession 0000950170-25-075517. Last ingested by Listed: Nov 6, 2026, 16:26 ET. No prices; not investment advice.