Paul Campbell was named Chief Financial Officer of Viatris Inc, effective May 8, 2026. As of November 7, 2026, Viatris Inc has reported one leadership change filing to the SEC under Item 5.02 of Form 8-K, on May 4, 2026, naming 1 appointment (Form 8-K, May 4, 2026).
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Viatris Inc reported a change among its directors and officers to the SEC on Form 8-K, Item 5.02, on 2026-05-04. It names 1 person. Every row below is cited to the filing it comes from, and this page adds each new change as Viatris Inc files it.
Layoffs on record: 1 filing or notice, latest 2026-02-26 (layoff filings and notices).
Also on the record for Viatris Inc
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| November 6, 2026 | Stake report, Schedule 13G/A, by DAVIS SELECTED ADVISERS | 6.3% of the class | 5%+ stakes | Source |
| September 8, 2026 | Stake report, Schedule 13G/A, by FMR LLC | 11% of the class | 5%+ stakes | Source |
| August 12, 2026 | Stake report, Schedule 13G/A, by DAVIS SELECTED ADVISERS | 6.5% of the class | 5%+ stakes | Source |
| August 6, 2026 | Stake report, Schedule 13G, by FMR LLC | 8.3% of the class | 5%+ stakes | Source |
| May 5, 2026 | Stake report, Schedule 13G/A, by DAVIS SELECTED ADVISERS | 6.8% of the class | 5%+ stakes | Source |
| April 30, 2026 | Stake report, Schedule 13G, by Vanguard Capital Management | 7.36% of the class | 5%+ stakes | Source |
| March 27, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
| February 4, 2026 | Stake report, Schedule 13G/A, by DAVIS SELECTED ADVISERS | 6.1% of the class | 5%+ stakes | Source |
| November 10, 2025 | Stake report, Schedule 13G/A, by DAVIS SELECTED ADVISERS | 6.7% of the class | 5%+ stakes | Source |
| October 17, 2025 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 6.6% of the class | 5%+ stakes | Source |
| August 11, 2025 | Stake report, Schedule 13G, by STATE STREET CORPORATION | 4.7% of the class | 5%+ stakes | Source |
| August 7, 2025 | Stake report, Schedule 13G/A, by DAVIS SELECTED ADVISERS | 6.2% of the class | 5%+ stakes | Source |
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More on Viatris Inc and the records around it.
Viatris Inc elsewhere on the record
- Layoff notices Feb 2026
- Who owns it
Companies that share a holder
- DAVIS SELECTED ADVISERS also filed stake reports on 2 other companies: JBS N.V. (Nov 2026), MGM Resorts International (Nov 2026)
- 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)
- FMR LLC also filed stake reports on 761 other companies: ASPEN NEUROSCIENCE INC (Nov 2026), AVALO THERAPEUTICS INC (Nov 2026), BRAZE INC (Nov 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-05-04 | In | Chief Financial Officer | 2026-05-08 | 8-K, 2026-05-04 |
Who leads Viatris 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.
- Chief Financial Officer: Paul Campbell, appointed, effective 2026-05-08 (filed 2026-05-04).
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Find candidates like Chief Financial Officer at Viatris IncEvery change, in the filing's words
Appointed: Paul Campbell, Chief Financial Officer, effective 2026-05-08
On May 4, 2026, the Board of Directors of the Company (the "Board") appointed Paul Campbell, Viatris' current Chief Accounting Officer and Corporate Controller, to also serve as interim Chief Financial Officer of the Company, effective May 8, 2026, until a permanent Chief Financial Officer is appointed by the Board.
- On May 1, 2026, Theodora ("Doretta") Mistras informed Viatris Inc. (the "Company") that she would voluntarily cease to serve as Chief Financial Officer to pursue another professional opportunity.
- Ms. Mistras will cease to serve as Chief Financial Officer effective May 8, 2026 and will remain employed by the Company until May 22, 2026 for transition purposes.
- Ms. Mistras' resignation was not related to any disagreement between Ms. Mistras and the Company on any matter relating to the Company's accounting practices, financial statements, internal controls, or operations.
- Mr. Campbell, age 59, has served as Viatris' Chief Accounting Officer and Corporate Controller since the closing of the combination of Mylan N.V. ("Mylan") with Pfizer's Upjohn business (the "Combination") on November 16, 2020.
- As Chief Accounting Officer and Corporate Controller, he is responsible for oversight of the day-to-day operations of the accounting and finance functions of the Company, including planning, implementing, and managing the Company's finance and accounting activities.
- Prior to the closing of the Combination, Mr. Campbell served as Mylan's Chief Accounting Officer, Senior Vice President and Controller.
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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.