Sotera Health Co filed 2 current reports with the SEC under Item 5.02, which covers directors and officers leaving or being appointed, the latest on 2026-08-14. Between them they name 3 people, with 3 appointments and 1 departure. Each change below is quoted from the filing and linked to it.
Every change, newest first
Departing: James C. Neary, Director, effective 2026-08-13
On August 11, 2026, James C. Neary notified the Board of Directors (the "Board") of Sotera Health Company (the "Company") of his resignation as a Class I director, effective August 13, 2026 (the "Effective Date").
Appointed: Alton Shader, Chief Executive Officer, effective 2026-05-26
In accordance with the Company's executive succession plans, on May 5, 2026, the Company announced a leadership transition pursuant to which, on May 1, 2026, the Board of Directors (the "Board"), at the recommendation of the Nominating and Corporate Governance Committee, appointed Alton Shader to serve as Chief Executive Officer of the Company ("CEO") and a Class II director of the Board, effective as of May 26, 2026 (the "Effective Date").
Appointed: Michael B. Petras, Chairman of the Board
Michael B. Petras, Jr. will transition from his role as CEO of the Company and Chairman of the Board and, on May 1, 2026, the Board appointed Mr. Petras to serve as Executive Chairman of the Board ("Executive Chairman"), as of the Effective Date.
Appointed: Michael B. Petras, Executive Chairman
Pursuant to the MP Amendment, Mr. Petras will serve as Executive Chairman as described above, and will receive base salary at an annual rate of $900,000 and will be eligible to participate in the AIP with a target bonus opportunity equal to 110% of base salary.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.