Minerals Technologies Inc.

MTX·NYSE·$78.11Share Price as of 11/2·$2BMarket Cap as of 11/2

Financials

10-QQ4 ended 10/04/2610/30/26 10-QQ3 ended 07/05/2607/31/26 10-QQ2 ended 04/05/2605/01/26 10-KFY 202502/20/26 10-QQ3 ended 09/28/2510/24/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report10/21/26 8-KCurrent report10/13/26 8-KCurrent report10/02/26 8-KCurrent report10/01/26

Prospectuses and Registrations

S-8Registration of securities for employees10/28/24 S-8Registration of securities for employees10/30/20

Proxies

DEF 14ADefinitive proxy04/02/26 DEFA14AAdditional proxy materials04/02/26 DEFA14AAdditional proxy materials05/01/25 DEF 14ADefinitive proxy04/02/25 DEFA14AAdditional proxy materials04/02/25

Ownership

Form 4Insider transaction10/02/26 Form 4Insider transaction09/09/26 Form 4Insider transaction09/09/26 Form 4Insider transaction09/09/26 Form 4Insider transaction09/09/26

Other

SDConflict Minerals disclosure09/28/26 11-KEmployee stock purchase plan report06/17/26 SDConflict Minerals disclosure06/01/26 ARSAnnual report to shareholders04/02/26 SDConflict Minerals disclosure09/29/25