Sotera Health Co.

SHC·NASDAQ·$15.96Share Price as of 11/2·$5BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/06/26 10-QQ1 ended 03/31/2605/05/26 10-KFY 202502/24/26 10-QQ3 ended 09/30/2511/04/25 10-QQ2 ended 06/30/2508/08/25

Disclosures

8-KCurrent report08/14/26 8-KResults of Operations08/06/26 8-KShareholder Vote Results05/22/26 8-KEntry into Material Agreement; Creation of Direct Financial Obligation05/20/26 8-KCurrent report05/13/26

Prospectuses and Registrations

424B7Prospectus05/12/26 424B7Prospectus05/11/26 424B7Prospectus03/05/26 424B7Prospectus03/04/26 424B7Prospectus11/07/25

Proxies

DEFA14AAdditional proxy materials05/05/26 DEF 14ADefinitive proxy04/08/26 DEFA14AAdditional proxy materials04/08/26 DEFA14AAdditional proxy materials05/02/25 DEF 14ADefinitive proxy04/10/25

Ownership

SC 13G/ABeneficial ownership (amended)10/09/26 Form 4Insider transaction08/19/26 144Proposed sale of securities08/17/26 SC 13G/ABeneficial ownership (amended)08/14/26 SC 13G/ABeneficial ownership (amended)08/14/26

Other

SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders04/08/26 SDConflict Minerals disclosure06/02/25 ARSAnnual report to shareholders04/10/25 SDConflict Minerals disclosure05/31/24