APPIAN CORP — Director's Dealing 2025

May 7, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: APPIAN CORP (APPN)
CIK: 0001441683
Period of Report: 2025-05-05

Reporting Person: Zamudio-Ramirez Pavel (Chief Customer Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-05	Class A Common Stock	M	4887	—	Acquired	23592	Direct
2025-05-05	Class A Common Stock	F	1565	$30.99	Disposed	22027	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-05	Restricted Stock Unit	$	M	4299	Disposed		Class A Common Stock (4299)	Direct
2025-05-05	Restricted Stock Unit	$	M	588	Disposed		Class A Common Stock (588)	Direct
2025-05-06	Restricted Stock Unit	$	A	11740	Acquired		Class A Common Stock (11740)	Direct
2025-05-06	Restricted Stock Unit	$	A	7337	Acquired		Class A Common Stock (7337)	Direct

Footnotes

F1: Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis.

F2: Includes 175, 164, 184, 179, and 166 shares acquired on 1/6/2025, 2/5/2025, 3/4/2025, 4/2/2025 and 5/2/2025, respectively, under the Appian Corporation Employee Stock Purchase Plan.

F3: Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

F4: The RSUs were granted on May 5, 2020, and are fully vested.

F5: The RSUs were granted on May 4, 2021, and are fully vested.

F6: The RSUs were granted on May 6, 2025, and vest in four equal annual installments commencing on May 5, 2025, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.

F7: The RSUs were granted on May 6, 2025, and vest on May 5, 2026, provided the Reporting Person has provided continuous service to the Issuer through the vesting date.