Appian Corporation (APPN) ownership: Top institutional holder: VANGUARD GROUP INC ($215.92M). Insider activity: Net Seller (3 buys, 17 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 6095904.00 | $215.92M | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4161559.00 | $100.34M | 2026-03-31 |
| RPD Fund Management LLC | 3919356.00 | $94.50M | 2026-03-31 |
| Fivespan Partners, LP | 3510907.00 | $84.65M | 2026-03-31 |
| BlackRock, Inc. | 3226087.00 | $77.78M | 2026-03-31 |
| Lead Edge Capital Management, LLC | 1905634.00 | $45.94M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1678280.00 | $40.46M | 2026-03-31 |
| MORGAN STANLEY | 1545863.00 | $37.27M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-08 | |
| Buy | null | 2026-05-13 | |
| Sell | null | 2026-05-13 | |
| Sell | null | 2026-05-13 | |
| Buy | null | 2026-05-13 | |
| Buy | null | 2026-05-06 | |
| Sell | null | 2026-05-06 | |
| Sell | null | 2026-05-05 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.