International Business Machines Corporation

IBM·NYSE·$250.69Share Price as of 11/2·$236BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/22/26 10-QQ2 ended 06/30/2607/23/26 10-QQ1 ended 03/31/2604/23/26 10-KFY 202502/24/26 10-QQ3 ended 09/30/2510/23/25

Disclosures

8-KCurrent report10/21/26 8-KCurrent report10/01/26 8-KCurrent report08/14/26 8-KCurrent report07/22/26 8-KCurrent report07/14/26

Prospectuses and Registrations

424B5Prospectus supplement08/11/26 424B3Prospectus08/10/26 FWPFree writing prospectus08/10/26 S-8 POSPost-effective amendment (S-8)07/29/26 S-8Registration of securities for employees04/30/26

Proxies

DEFA14AAdditional proxy materials04/08/26 DEF 14ADefinitive proxy03/10/26 DEFA14AAdditional proxy materials03/10/26 DEFA14AAdditional proxy materials04/25/25 PX14A6GLetter to shareholders04/08/25

Ownership

Form 3Initial insider ownership10/08/26 Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26

Other

11-KEmployee stock purchase plan report06/26/26 SDConflict Minerals disclosure06/01/26 ARSAnnual report to shareholders03/10/26 CERTCEO/CFO certification02/03/26 8-A12B8-A12B02/02/26