Cleveland-Cliffs Inc.

CLF·NYSE·$11.98Share Price as of 11/2·$7BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/20/26 10-QQ2 ended 06/30/2607/23/26 10-QQ1 ended 03/31/2604/21/26 10-KFY 202502/09/26 10-QQ3 ended 09/30/2510/22/25

Disclosures

8-KCurrent report10/19/26 8-KCurrent report07/24/26 8-KCurrent report07/23/26 8-KCurrent report05/20/26 8-KCurrent report04/20/26

Prospectuses and Registrations

424B5Prospectus supplement10/30/25 424B5Prospectus supplement10/29/25 S-3ASRAutomatic shelf registration10/29/25 S-3ASRAutomatic shelf registration02/14/23 S-8Registration of securities for employees04/28/21

Proxies

DEF 14ADefinitive proxy04/02/26 DEFA14AAdditional proxy materials04/02/26 DEF 14ADefinitive proxy04/02/25 DEFA14AAdditional proxy materials04/02/25 DEF 14ADefinitive proxy04/03/24

Ownership

Form 4Insider transaction10/23/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 Form 4Insider transaction07/02/26 Form 4Insider transaction07/02/26

Other

SDConflict Minerals disclosure09/18/26 SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders04/02/26 SDConflict Minerals disclosure09/19/25 SDConflict Minerals disclosure05/30/25