0001971857-23-000653.txt : 20230911 0001971857-23-000653.hdr.sgml : 20230911 20230911161055 ACCESSION NUMBER: 0001971857-23-000653 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230911 DATE AS OF CHANGE: 20230911 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: APPIAN CORP CENTRAL INDEX KEY: 0001441683 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 541956084 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38098 FILM NUMBER: 231247838 BUSINESS ADDRESS: STREET 1: 7950 JONES BRANCH DRIVE CITY: MCLEAN STATE: VA ZIP: 22102 BUSINESS PHONE: 703-442-8844 MAIL ADDRESS: STREET 1: 7950 JONES BRANCH DRIVE CITY: MCLEAN STATE: VA ZIP: 22102 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Matheos Mark CENTRAL INDEX KEY: 0001903675 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 7950 JONES BRANCH DRIVE CITY: MCLEAN STATE: VA ZIP: 22102 144 1 primary_doc.xml 144 0001903675 XXXXXXXX LIVE 0001441683 APPIAN CORP 001-38098 7950 JONES BRANCH DRIVE MCLEAN VA 22102 703-442-8844 Matheos Mark Officer Common Merrill Lynch

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13068 654557.00 41619346 09/11/2023 NASDAQ Common 11/05/2022 Stock Plan Activity Issuer N 754 11/05/2022 n/a Common 03/05/2023 Stock Plan Activity Issuer N 3025 03/05/2023 n/a Common 05/05/2023 Stock Plan Activity Issuer N 2497 05/05/2023 n/a Common 05/08/2023 Stock Plan Activity Issuer N 6792 05/08/2023 n/a Y 09/11/2023 Mark Matheos