Sirius XM Holdings Inc.

SIRI·NASDAQ·$29.63Share Price as of 11/2·$10BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/29/26 10-QQ2 ended 06/30/2607/30/26 10-QQ1 ended 03/31/2604/30/26 10-KFY 202502/05/26 10-QQ3 ended 09/30/2510/30/25

Disclosures

8-KCurrent report10/29/26 8-KChange in Directors or Officers07/30/26 8-KResults of Operations; Regulation FD Disclosure07/30/26 8-KChange in Directors or Officers; Shareholder Vote Results06/01/26 8-KCurrent report04/30/26

Prospectuses and Registrations

S-8Registration of securities for employees07/30/26 S-8Registration of securities for employees09/16/24 S-8 POSPost-effective amendment (S-8)09/16/24 S-8 POSPost-effective amendment (S-8)09/16/24 S-8 POSPost-effective amendment (S-8)09/16/24

Proxies

DEF 14ADefinitive proxy04/10/26 DEFA14AAdditional proxy materials04/10/26 DEF 14ADefinitive proxy04/14/25 DEFA14AAdditional proxy materials04/14/25 DEFM14CDEFM14C07/23/24

Ownership

Form 4Insider transaction09/10/26 SC 13G/ABeneficial ownership (amended)09/03/26 Form 4Insider transaction08/28/26 Form 4Insider transaction08/28/26 Form 4Insider transaction08/28/26

Other

ARSAnnual report to shareholders04/10/26 ARSAnnual report to shareholders04/14/25 15-12GCertification of termination of registration09/10/24 42542509/04/24 42542509/04/24