Schedule 13G ownership disclosure

Appian Corp

Common Stock · CUSIP: 03782L101

Event date: 2026-09-30

Filing-level shares
3,528,884
Percent of class
8.70%
  • Vanguard Portfolio Management

    Shares: 3,528,884 · Class: 8.70%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0002100121-26-001049
Form type
SCHEDULE 13G/A
Filer
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK
CIK 2100121
Filed
Oct 30, 2026
Reporting period
Sep 30, 2026
Description
Schedule 13G beneficial ownership

Explore SEC Filings Hub