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Sotera Health Co. SEC filings

In the twelve months since 9 October 2025 Sotera Health Co. filed 22 documents with the SEC of the kinds listed here: 13 current reports (8-K), about 5 officer or director change; 5 results of operations; 3 other events; 1 shareholder vote; 1 material agreement; 3 quarterly reports (10-Q), 2 additional proxy materials (DEFA14A), 1 conflict minerals report (SD), 1 annual report to shareholders (ARS), 1 proxy statement (DEF 14A), 1 annual report (10-K). The latest, filed 14 August 2026: 8-K, officer or director change.

FiledFormWhat it was aboutPeriod or event dateFiling
14 August 20268-KOfficer or director change11 August 2026EDGAR
6 August 202610-Qquarterly report30 June 2026EDGAR
6 August 20268-KResults of operations6 August 2026EDGAR
29 May 2026SDconflict minerals reportEDGAR
22 May 20268-KShareholder vote21 May 2026EDGAR
20 May 20268-KMaterial agreement, New financial obligation20 May 2026EDGAR
13 May 20268-KTermination of a material agreement, Other events11 May 2026EDGAR
5 May 202610-Qquarterly report31 March 2026EDGAR
5 May 20268-KResults of operations, Officer or director change30 April 2026EDGAR
5 May 2026DEFA14Aadditional proxy materialEDGAR
8 April 2026ARSannual report to shareholders31 December 2025EDGAR
8 April 2026DEFA14Aadditional proxy materialEDGAR
8 April 2026DEF 14Aproxy statement21 May 2026EDGAR
16 March 20268-KOfficer or director change12 March 2026EDGAR
6 March 20268-KOther events4 March 2026EDGAR
24 February 202610-Kannual report31 December 2025EDGAR
24 February 20268-KResults of operations, Officer or director change18 February 2026EDGAR
5 February 20268-KOfficer or director change4 February 2026EDGAR
12 January 20268-KResults of operations, Regulation FD disclosure12 January 2026EDGAR
10 November 20258-KOther events6 November 2025EDGAR
4 November 202510-Qquarterly report30 September 2025EDGAR
4 November 20258-KResults of operations4 November 2025EDGAR
An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened.
Read moreForm 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.

Source

The company's filing index on EDGAR, read from the SEC's submissions feed.

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