Company: APPN
Filing Date: 2025-04-23
Form Type: DEF 14A
Source: 0001441683-25-000031
Chunk: 30

Company: APPIAN CORP
Filing Date: 2025-04-23
Form: DEF 14A
Chunk 30
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 of those shares. The number of shares in the table below beneficially owned by each person or entity reflects all shares of Class A and Class B common stock held by such person or entity as of March 31, 2025. Unless otherwise indicated, the persons or entities identified in this table have sole voting and investment power with respect to all shares shown as beneficially owned by them, subject to applicable community property laws.

Except as otherwise noted below, the address for persons listed in the table is c/o Appian Corporation, 7950 Jones Branch Drive, McLean, Virginia 22102.

Section 16(a) of the Exchange Act requires our directors and executive officers and persons who own more than ten percent of a registered class of our Class A common stock to file with the SEC initial reports of ownership and reports of changes in ownership of our Class A common stock. Officers, directors, and greater than ten percent stockholders are required by SEC regulations to furnish us with copies of all Section 16(a) forms they file. To our knowledge, based solely on a review of the copies of such reports furnished to us and written representations that no other reports were required during the fiscal year ended December 31, 2024, all Section 16(a) filing requirements applicable to our officers, directors, and greater than ten percent beneficial owners were complied with, except for one late Form 4 filing for the grant of director equity compensation to Mr. Lynch due to an administrative error.

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|                                                                                                                    |     | Beneficial Ownership |            |     |            |
| Name of Beneficial Owner                                                                                           |     | Shares               |            |     | Percentage |
| Principal Stockholders:                                                                                            |     |                      |            |     |            |
| Entities affiliated with Abdiel Capital Advisors, LP(1)                                                            |     |                      |  9,755,116 |     | 13.1%      |
| BlackRock, Inc.(2)                                                                                                 |     |                      |  3,265,760 |     | 4.4%       |
| The Vanguard Group, Inc.(3)                                                                                        |     |                      |  4,913,793 |     | 6.6%       |
| Directors, Director Nominees, and Named Executive Officers:                                                        |     |                      |            |     |            |
| Michael Beckley(4)                                                                                                 |     |                      |    204,418 |     | *          |