Appian Corp
APPN- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001441683
In the last 90 days, Appian Corp insiders filed 0 open-market purchases and 3 sales; 212 institutions reported holding it in 13F filings for Q2 2026, worth $880.3M in total; no superinvestor holds it.
Holders of 5% or more of APPN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Appian Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Calkins Matthew W | 13G/A | 39.20%29.0M shares | – | Feb 7, 20251 filing | Feb 7, 2025 | SEC |
| Vanguard Portfolio Management LLC | 13G | 10.06%4.32M shares | New | Mar 5, 20261 filing | Mar 5, 2026 | SEC |
| RPD Fund Management LLC | 13G | 9.10%3.90M shares | New | Feb 24, 20261 filing | Feb 24, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
16 Schedule 13D and 13G filings on Appian Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20261:49 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −13.82 ppfrom 13.82%Below 5% | Mar 13, 2026 | SEC |
| Mar 5, 20261:49 PM ET | Vanguard Portfolio Management LLC | 13G | 10.06%4.32M shares | New | Feb 27, 2026 | SEC |
| Feb 24, 202610:35 AM ET | RPD Fund Management LLCand 3 others | 13G | 9.10%3.90M shares | New | Feb 20, 2026 | SEC |
| Oct 30, 20252:25 PM ET | Vanguard Group Inc | 13G/A | 13.82%5.94M shares | – | Sep 30, 2025 | SEC |
| Aug 27, 20259:40 PM ET | Abdiel Qualified Master Fund LPand 5 others | 13D/A | 4.90%2.11M shares | −1.70 ppfrom 6.60%Below 5% | Aug 27, 2025 | SEC |
| Aug 14, 20259:00 PM ET | Abdiel Qualified Master Fund LPand 5 others | 13D/A | 6.60%2.81M shares | −3.30 ppfrom 9.90% | Aug 12, 2025 | SEC |
| Aug 11, 20258:05 PM ET | Abdiel Qualified Master Fund LPand 5 others | 13D/A | 9.90%4.24M shares | −3.30 ppfrom 13.20% | Aug 7, 2025 | SEC |
| Jul 25, 20257:16 PM ET | Abdiel Qualified Master Fund LPand 5 others | 13D/A | 13.20%5.69M shares | −1.70 ppfrom 14.90% | Jul 23, 2025 | SEC |
| Jul 22, 20259:57 PM ET | Abdiel Qualified Master Fund LPand 5 others | 13D/A | 14.90%6.44M shares | −1.40 ppfrom 16.30% | Jul 18, 2025 | SEC |
| Jul 9, 20259:16 PM ET | Abdiel Qualified Master Fund LPand 5 others | 13D/A | 16.30%7.03M shares | −1.70 ppfrom 18.00% | Jul 7, 2025 | SEC |
| Jun 10, 20257:06 PM ET | Abdiel Qualified Master Fund LPand 5 others | 13D/A | 18.00%7.75M shares | −1.50 ppfrom 19.50% | Jun 6, 2025 | SEC |
| Jun 3, 20259:00 PM ET | Abdiel Qualified Master Fund LPand 5 others | 13D/A | 19.50%8.43M shares | −1.80 ppfrom 21.30% | May 30, 2025 | SEC |
| May 20, 20259:31 PM ET | Abdiel Qualified Master Fund LPand 5 others | 13D/A | 21.30%9.20M shares | −1.40 ppfrom 22.70% | May 16, 2025 | SEC |
| Apr 15, 20259:57 PM ET | Abdiel Qualified Master Fund LPand 5 others | 13D/A | 22.70%9.76M shares | – | Apr 11, 2025 | SEC |
| Feb 7, 20252:50 PM ET | Calkins Matthew W | 13G/A | 39.20%29.0M shares | – | Dec 31, 2024 | SEC |
| Sep 30, 20246:53 PM ET | Hawk Ridge Capital Management LP | 13G/A | 4.90%2.09M shares | –Below 5% | May 2, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Appian Corp shares.
No Form 144 notices for Appian Corp are on file.