Celestica Inc.

CLS·NYSE·$370.84Share Price as of 11/2·$43BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/26/26 10-QQ2 ended 06/30/2607/27/26 10-QQ1 ended 03/31/2604/27/26 10-KFY 202502/27/26 10-QQ3 ended 09/30/2510/27/25

Disclosures

8-KCurrent report10/30/26 8-KCurrent report10/27/26 8-KCurrent report10/26/26 8-KCurrent report09/11/26 8-KCurrent report08/07/26

Prospectuses and Registrations

424B5Prospectus supplement08/06/26 424B5Prospectus supplement08/05/26 FWPFree writing prospectus08/05/26 FWPFree writing prospectus08/05/26 S-8Registration of securities for employees07/30/25

Proxies

DEF 14ADefinitive proxy04/09/26 DEFA14AAdditional proxy materials04/09/26 DEF 14ADefinitive proxy04/29/25 DEFA14AAdditional proxy materials04/29/25 PRE 14APreliminary proxy03/07/25

Ownership

Form 3Initial insider ownership10/01/26 Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26 Form 4Insider transaction09/24/26 Form 4Insider transaction09/24/26

Other

SDConflict Minerals disclosure05/05/26 ARSAnnual report to shareholders04/09/26 SDConflict Minerals disclosure05/07/25 ARSAnnual report to shareholders04/29/25 SDConflict Minerals disclosure05/01/24