Entegris Inc.

ENTG·NASDAQ·$142.12Share Price as of 11/2·$22BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/26/2610/29/26 10-QQ2 ended 06/27/2608/04/26 10-QQ1 ended 03/28/2604/30/26 10-KFY 202502/11/26 10-QQ3 ended 09/27/2510/30/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report10/14/26 8-KCurrent report08/04/26 8-KCurrent report07/29/26 8-KCurrent report07/15/26

Prospectuses and Registrations

S-3ASRAutomatic shelf registration07/03/25 S-8Registration of securities for employees05/02/24 S-3ASRAutomatic shelf registration07/07/22 S-8Registration of securities for employees07/07/22 424B3Prospectus01/28/22

Proxies

DEFA14AAdditional proxy materials03/26/26 DEF 14ADefinitive proxy03/23/26 DEFA14AAdditional proxy materials03/23/26 PRE 14APreliminary proxy03/06/26 DEF 14ADefinitive proxy03/17/25

Ownership

Form 4Insider transaction08/19/26 Form 4Insider transaction08/17/26 144Proposed sale of securities08/14/26 Form 4Insider transaction08/14/26 144Proposed sale of securities08/13/26

Other

SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders03/23/26 SDConflict Minerals disclosure05/30/25 ARSAnnual report to shareholders03/17/25 SDConflict Minerals disclosure05/28/24