Kristopher R. Westbrooks was named President and Chief Executive Officer of Metallus Inc., succeeding Michael S. Williams, effective January 1, 2027. As of November 6, 2026, Metallus Inc. has reported one leadership change filing to the SEC under Item 5.02 of Form 8-K, on August 31, 2026, naming 1 appointment and 1 departure (Form 8-K, August 31, 2026).
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Metallus Inc. reported a change among its directors and officers to the SEC on Form 8-K, Item 5.02, on 2026-08-31. It names 2 people, with 1 appointment and 1 departure. Every row below is cited to the filing it comes from, and this page adds each new change as Metallus Inc. files it.
Also on the record for Metallus Inc.
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| May 12, 2026 | Stake report, Schedule 13G, by STATE STREET CORPORATION | 6.7% of the class | 5%+ stakes | Source |
| April 24, 2026 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 13.1% of the class | 5%+ stakes | Source |
| March 27, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
| October 17, 2025 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 15.1% of the class | 5%+ stakes | Source |
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Metallus Inc. elsewhere on the record
Companies that share a holder
- STATE STREET CORPORATION also filed stake reports on 343 other companies: TRADE DESK INC/THE (Oct 2026), CENTRUS ENERGY CORP (Sep 2026), ACADIA PHARMACEUTICALS INC (Aug 2026)
- BlackRock, Inc. also filed stake reports on 1596 other companies: AvePoint, Inc. (Nov 2026), BIOMARIN PHARMACEUTICAL INC (Nov 2026), MSG RANGERS CORP (Nov 2026)
- The Vanguard Group also filed stake reports on 2384 other companies: BellRing Brands, Inc. (Sep 2026), CAL-MAINE FOODS INC (Sep 2026), FTAI Aviation Ltd. (Sep 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-08-31 | Out | Chief Executive Officer | 2026-12-31 | 8-K, 2026-08-31 | |
| 2026-08-31 | In | President and Chief Executive Officer | 2027-01-01 | 8-K, 2026-08-31 |
Who leads Metallus Inc., as last reported?
For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.
- President and Chief Executive Officer: Kristopher R. Westbrooks, appointed, effective 2027-01-01 (filed 2026-08-31).
- Chief Executive Officer: Michael S. Williams, departure reported, effective 2026-12-31 (filed 2026-08-31). No successor is named in these filings.
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Departing: Michael S. Williams, Chief Executive Officer, effective 2026-12-31
On August 31, 2026, Michael S. Williams notified the Board of Directors (the "Board") of Metallus Inc. (the "Company") of his intention to retire from his position as Chief Executive Officer of the Company and simultaneously resign as a member of the Board, in each case effective December 31, 2026.
Appointed: Kristopher R. Westbrooks, President and Chief Executive Officer, effective 2027-01-01
In connection with Mr. Williams' notification of his intended retirement, the Board appointed and elected Kristopher R. Westbrooks, the Company's current President and Chief Operating Officer, as President and Chief Executive Officer of the Company and as a member of the Board, in each case effective January 1, 2027.
- Mr. Williams is expected to remain a non-executive employee of the Company through June 30, 2027, serving as a Special Advisor to the CEO and the Board.
- Mr. Westbrooks, age 48, has served as the Company's President and Chief Operating Officer since June 2025.
- Previously, Mr. Westbrooks served as the Company's Executive Vice President and Chief Financial Officer since initially joining the Company in September 2018.
- Prior to joining the Company, Mr. Westbrooks served from April 2015 until August 2018 as Vice President, Corporate Controller and Chief Accounting Officer at A. Schulman, Inc., a global supplier of high-performance plastic compounds, composites and powders.
- From 2011 until his appointment as Chief Accounting Officer in 2015, Mr. Westbrooks held various finance roles of increasing responsibility at A. Schulman, Inc. Mr. Westbrooks earned his bachelor of science degree in business and master's degree in accountancy from Miami University of Ohio.
- Mr. Westbrooks is also expected to enter into a revised version of the Company's standard severance agreement for its chief executive officer that will reduce his severance multiple applicable in a change in control from three to two-and-one-half.
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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.