Company: APPN
Filing Date: 2025-04-23
Form Type: DEF 14A
Source: 0001441683-25-000031
Chunk: 43

Company: APPIAN CORP
Filing Date: 2025-04-23
Form: DEF 14A
Chunk 43
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 |     | 6,492(8)                                  |     |                                                                  | — |     |                                                       | — |     |                                                         |   251,000 |

(1) The RSU awards were granted pursuant to our 2017 Plan. Each RSU represents a contingent right to receive one share of our Class A Common Stock (or its cash equivalent, at our discretion).

(2) See Footnotes 1 and 2 to the “Summary Compensation Table” above, as applicable.

(3) The RSUs vest on May 5, 2025.

(4) The RSUs vested on May 5, 2024.

(5) The RSUs were to vest on May 5, 2025, provided the NEO provided continuous service to us through the vesting date; thus, none of the RSUs vested prior to Mr. Matheos’ departure.

(6) The RSUs were to vest in four equal annual installments of 25% on each anniversary of May 5, 2024, provided the NEO provided continuous service to us through the vesting date; thus, none of the RSUs vested prior to Mr. Matheos’ departure.

(7) The RSUs vest on November 5, 2025, provided the NEO has provided continuous service to us through the vesting date.

(8) The RSUs vest in four equal annual installments of 25% on each anniversary of November 5, 2024, provided the NEO has provided continuous service to us through the vesting date.

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#### OUTSTANDING EQUITY AWARDS AT DECEMBER 31, 2024
The following table shows, for the fiscal year ended December 31, 2024, certain information regarding outstanding equity awards at fiscal year-end for the Named Executive Officers. Messrs. Kramer and Matheos did not have any outstanding equity awards at December 31, 2024. The market value of the Stock Awards represents the market value of the shares of Class A common stock underlying the RSUs as of December 31, 2024, based on the closing price per share of our Class A common stock as reported on The Nasdaq Global Select Market of $32.98 on December 31, 2024.

| Name                   |     |   |           | Option Awards(1)  
 Option Grant Date |   |           |     |     |     | Number of                                  
 Securities