Company: APPN
Filing Date: 2025-04-23
Form Type: DEF 14A
Source: 0001441683-25-000031
Chunk: 55

Company: APPIAN CORP
Filing Date: 2025-04-23
Form: DEF 14A
Chunk 55
---
 registered public offering of our shares. Such condition was satisfied for all of the stock option awards listed in the table, both vested and unvested, following our initial public offering.

<div align='center'>37</div>

SECURITIES AUTHORIZED FOR ISSUANCE UNDER EQUITY COMPENSATION PLANS

The following table shows information regarding our equity compensation plans as of December 31, 2024:

| Plan Category                                              |     | (a)                                                                                          
 Number of securities to be issued upon exercise of outstanding options, warrants, and rights |     |           |     | (b)                                                                             
 Weighted-average exercise price of outstanding options, warrants, and rights(1) |       |     | (c) Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a))(2) |     |           |
|:-----------------------------------------------------------|:----|:---------------------------------------------------------------------------------------------|:----|----------:|:----|:--------------------------------------------------------------------------------|------:|:----|:---------------------------------------------------------------------------------------------------------------------------------------------------|:----|----------:|
| Equity compensation plans approved by security holders     |     | 2,201,689(3)                                                                                 |     |           |     | $                                                                               | 37.34 |     |                                                                                                                                                    |     | 2,796,596 |
| Equity compensation plans not approved by security holders |     |                                                                                              |     |         — |     |                                                                                 |     — |     |                                                                                                                                                    |     |         — |
| Total                                                      |     |                                                                                              |     | 2,201,689 |     | $                                                                               | 37.34 |     |                                                                                                                                                    |     | 2,796,596 |

(1) The weighted average exercise price does not reflect the shares that will be issued in connection with the settlement of RSUs, which have no exercise price.

(2) Consists of shares available for future issuance under our 2017 Plan and the Appian Corporation Employee Stock Purchase Plan (“ESPP”). The number of shares available for future issuance under our ESPP is based on 1,000,000 shares we registered on Form S-8 and 212,604 shares purchased under the ESPP through December 31, 2024. Because the number of shares that may be purchased under the ESPP depends on each employee’s voluntary election to participate, contribution elections, and the fair market value of our Class A common stock at various future dates, the actual number of shares that may be purchased under the plan