Appian Corporation

APPN·NASDAQ·$21.67Share Price as of 11/2·$2BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/06/26 10-QQ1 ended 03/31/2605/07/26 10-KFY 202502/19/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2508/07/25

Disclosures

8-KCurrent report08/06/26 8-KCurrent report06/08/26 8-KCurrent report05/07/26 8-KCurrent report02/19/26 8-KCurrent report01/21/26

Prospectuses and Registrations

S-8Registration of securities for employees06/18/26 S-8Registration of securities for employees09/02/21 S-3ASRAutomatic shelf registration08/18/21 424B5Prospectus supplement06/01/20 424B5Prospectus supplement05/28/20

Proxies

DEF 14ADefinitive proxy04/22/26 DEFA14AAdditional proxy materials04/22/26 DEF 14ADefinitive proxy04/23/25 DEFA14AAdditional proxy materials04/23/25 DEF 14ADefinitive proxy04/25/24

Ownership

Form 4Insider transaction10/08/26 144Proposed sale of securities10/07/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26

Other

ARSAnnual report to shareholders04/22/26 ARSAnnual report to shareholders04/23/25 ARSAnnual report to shareholders04/25/24 ARSAnnual report to shareholders04/28/23 EFFECTRequest for effectiveness11/15/17