APPIAN CORP — Director's Dealing 2026

Mar 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: APPIAN CORP (APPN)
CIK: 0001441683
Period of Report: 2026-03-03

Reporting Person: Calkins Matthew W (Director, CEO and President, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-03	Class A Common Stock	M	64375	—	Acquired	1842702	Direct
2026-03-03	Class A Common Stock	F	23558	$27.34	Disposed	1819144	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-03-03	Restricted Stock Unit	$	M	64375	Disposed		Class A Common Stock (64375)	Direct

Footnotes

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

F2: 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).

F3: The RSUs were granted on February 26, 2026, and vested immediately.