Appian Corporation (APPN)
Nasdaq: APPN · Services-Prepackaged Software · Mclean, VA · filing with the SEC since 2008
Who owns Appian Corporation
As filed with the SECHolders of 5% or more
4
Matthew W. Calkins holds 39.2% of Class A Common Stock, $0.0001 par value per share, as its SCHEDULE 13G/A filed Feb 7, 2025 says.
Directors and officers
13
report now, of 22 people on the record since 2017. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Matthew W. Calkins
SCHEDULE 13G/A · filed Feb 7, 2025 · Class A Common Stock, $0.0001 par value per share
Vanguard Portfolio Management
SCHEDULE 13G · filed Mar 5, 2026 · Common Stock
Fivespan Partners, LP
SCHEDULE 13D/A · filed Feb 5, 2026 · Class A Common Stock, $0.0001 par value per share · 6.2% in Jan 27, 2026
Lead Edge Capital Management, LLC
SCHEDULE 13G · filed Jun 30, 2026 · Class A Common Stock, par value $0.0001
Abdiel Capital Management, LLC
SCHEDULE 13D/A · filed Aug 27, 2025 · Class A Common Stock, $0.0001 par value · reported falling below 5%, from 6.6% in Aug 14, 2025
Hawk Ridge Capital Management LP
SCHEDULE 13G/A · filed Sep 30, 2024 · Common Stock · reported falling below 5%
RPD Fund Management LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Class A Common Stock, par value $0.0001 per share · reported falling below 5%, from 9.1% in Feb 24, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 13.8% in Oct 30, 2025
What APPN reports owning in othersstakes of 5% or more, and other ties
15 subsidiaries in 15 countries, from the list filed with the 10-K filed Feb 19, 2026.
Insider tradesForm 4
16sales
2purchases
15sales on a scheduled plan
2people selling
$9.1Msold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Nov 9, 2025 to Nov 9, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 9, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window3 of 42 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Calkins Matthew W | CEO and President | 15 | $8.8M | 15 | 0 | $0 |
| Lynch Mark Steven | Interim CFO | 1 | $300,000 | 0 | 0 | $0 |
| Dorsey Mark | Chief Revenue Officer | 0 | $0 | 0 | 2 | $100,000 |