Five9, Inc.

FIVN·NASDAQ·$22.79Share Price as of 11/2·$2BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/06/26 10-QQ1 ended 03/31/2604/30/26 10-KFY 202502/20/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2507/31/25

Disclosures

8-KCurrent report08/06/26 8-KCurrent report06/22/26 8-KCurrent report05/27/26 8-KCurrent report05/20/26 8-KCurrent report05/05/26

Prospectuses and Registrations

S-8Registration of securities for employees06/08/26 S-8Registration of securities for employees02/22/24 S-8Registration of securities for employees02/24/23 S-8Registration of securities for employees02/28/22 S-8Registration of securities for employees03/01/21

Proxies

DEF 14ADefinitive proxy04/07/26 DEFA14AAdditional proxy materials04/07/26 PRE 14APreliminary proxy03/27/26 DEF 14ADefinitive proxy04/07/25 DEFA14AAdditional proxy materials04/07/25

Ownership

SC 13G/ABeneficial ownership (amended)10/16/26 Form 4Insider transaction09/21/26 144Proposed sale of securities09/17/26 Form 4Insider transaction09/16/26 Form 4Insider transaction09/09/26

Other

ARSAnnual report to shareholders04/07/26 ARSAnnual report to shareholders04/07/25 ARSAnnual report to shareholders04/03/24 ARSAnnual report to shareholders04/05/23 42542509/15/21