Rubrik, Inc.

RBRK·NYSE·$48.03Share Price as of 11/2·$10BMarket Cap as of 11/2

Financials

10-QQ2 ended 07/31/2609/01/26 10-QQ1 ended 04/30/2606/05/26 10-KFY 202603/19/26 10-QQ3 ended 10/31/2512/08/25 10-QQ2 ended 07/31/2509/10/25

Disclosures

8-KResults of Operations; Change in Directors or Officers08/27/26 8-KShareholder Vote Results06/05/26 8-KResults of Operations06/04/26 8-KResults of Operations03/12/26 8-KResults of Operations; Change in Directors or Officers02/04/26

Prospectuses and Registrations

S-8Registration of securities for employees03/19/26 S-8Registration of securities for employees03/20/25 424B4Prospectus04/26/24 S-8Registration of securities for employees04/25/24 S-8Registration of securities for employees04/25/24

Proxies

DEF 14ADefinitive proxy04/15/26 DEFA14AAdditional proxy materials04/15/26 DEF 14ADefinitive proxy05/13/25 DEFA14AAdditional proxy materials05/13/25

Ownership

Form 4Insider transaction10/07/26 Form 4Insider transaction10/06/26 Form 4Insider transaction10/02/26 144Proposed sale of securities09/25/26 Form 4Insider transaction09/25/26

Other

ARSAnnual report to shareholders04/15/26 ARSAnnual report to shareholders05/13/25 EFFECTRequest for effectiveness04/24/24 SEC STAFF LETTERSEC staff letter04/24/24 8-A12B8-A12B04/22/24