Celanese Corporation

CE·NYSE·$52.37Share Price as of 11/2·$6BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/06/26 10-KFY 202502/24/26 10-QQ3 ended 09/30/2511/07/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-K/ACurrent report (amended)10/20/26 8-KCurrent report09/16/26 8-KCurrent report08/04/26 8-KCurrent report08/04/26 8-KCurrent report08/04/26

Prospectuses and Registrations

S-3ASRAutomatic shelf registration03/25/26 424B5Prospectus supplement12/05/25 FWPFree writing prospectus12/03/25 424B5Prospectus supplement12/02/25 424B5Prospectus supplement03/10/25

Proxies

DEF 14ADefinitive proxy03/04/26 DEFA14AAdditional proxy materials03/04/26 DEF 14ADefinitive proxy03/24/25 DEFA14AAdditional proxy materials03/24/25 DEFR14ADefinitive proxy (revised)03/24/25

Ownership

Form 3Initial insider ownership09/17/26 Form 4Insider transaction08/17/26 Form 4Insider transaction08/13/26 Form 4Insider transaction08/12/26 Form 4Insider transaction08/12/26

Other

25-NSERemoval from listing06/25/26 11-KEmployee stock purchase plan report06/22/26 SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders03/04/26 11-KEmployee stock purchase plan report06/20/25