Tim Rogelstad was named President of Otter Tail Corp. As of November 6, 2026, Otter Tail Corp has reported 2 leadership change filings to the SEC under Item 5.02 of Form 8-K, from April 14, 2026 to September 1, 2026, naming 2 appointments and 2 departures (Form 8-K, April 14, 2026).
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Otter Tail Corp reported changes in 2 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-04-14 to 2026-09-01. They name 4 people, with 2 appointments and 2 departures. Every row below is cited to the filing it comes from, and this page adds each new change as Otter Tail Corp files it.
Also on the record for Otter Tail Corp
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| August 7, 2026 | Stake report, Schedule 13G, by STATE STREET CORPORATION | 5.1% of the class | 5%+ stakes | Source |
| April 30, 2026 | Stake report, Schedule 13G, by Vanguard Capital Management | 5.19% of the class | 5%+ stakes | Source |
| April 29, 2026 | Stake report, Schedule 13G, by Vanguard Portfolio Management | 7.06% of the class | 5%+ stakes | Source |
| March 27, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
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More on Otter Tail Corp and the records around it.
Otter Tail Corp 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)
- Vanguard Portfolio Management also filed stake reports on 941 other companies: Newmark Group Inc (Nov 2026), A10 Networks Inc (Oct 2026), ADT Inc (Oct 2026)
- Vanguard Capital Management also filed stake reports on 1495 other companies: A10 Networks Inc (Oct 2026), Altisource Portfolio Solutions SA (Oct 2026), Alto Neuroscience Inc (Oct 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-09-01 | Out | Director | 8-K, 2026-09-01 | ||
| 2026-09-01 | Out | Director | 8-K, 2026-09-01 | ||
| 2026-04-14 | In | President | 8-K, 2026-04-14 | ||
| 2026-04-14 | In | Chief Financial Officer | 8-K, 2026-04-14 |
Who leads Otter Tail Corp, 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.
- Director: Thomas J. Webb, departure reported (filed 2026-09-01). No successor is named in these filings.
- Chief Financial Officer: Tyler Nelson, appointed (filed 2026-04-14).
- President: Tim Rogelstad, appointed (filed 2026-04-14).
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Departing: Thomas J. Webb, Director
On August 28, 2026, Thomas J. Webb notified Otter Tail Corporation (the "Company") of his intention to not stand for reelection and instead retire from the Company's Board of Directors effective at the conclusion of his current term, which expires at the time of the 2027 Annual Meeting of Shareholders, in accordance with the Corporation's director retirement policy.
Departing: Kathryn O. Johnson, Director
On August 31, 2026, Kathryn O. Johnson notified the Company of her intention to not stand for reelection and instead retire from the Company's Board of Directors effective at the conclusion of her current term, which expires at the time of the 2027 Annual Meeting of Shareholders, having reached retirement age in accordance with the Corporation's director retirement policy.
- Mr. Webb's decision to not stand for reelection is not the result of any disagreement with the Company's operations, policies or procedures.
- Dr. Johnson's decision to not stand for reelection is not the result of any disagreement with the Company's operations, policies or procedures.
Appointed: Tim Rogelstad, President
On April 13, 2026, the Board of Directors of Otter Tail Corporation (Otter Tail or the Company) elected Tim Rogelstad as President of the Company.
Appointed: Tyler Nelson, Chief Financial Officer
On April 13, 2026, the Board also elected Tyler Nelson as Vice President, Chief Financial Officer of the Company.
- Mr. Rogelstad, age 59, previously served as President of Otter Tail Power Company, the Company's electric utility, and Senior Vice President, Electric Platform of the Company, since 2014.
- He joined Otter Tail Power Company in 1989 as an Engineer in the System Engineering Department and subsequently served in roles of increasing responsibility at Otter Tail Power Company and at the Company for the past 37 years.
- A native of Pelican Rapids, Minnesota, Mr. Rogelstad earned his Bachelor of Science in electrical and electronics engineering in 1989 from North Dakota State University.
- He participated in the University of Chicago's Advanced Management Program and is also a graduate of the University of Idaho's Utility Executive Course.
- Mr. Rogelstad has participated in numerous industry boards and working groups.
- Charles MacFarlane stepped down as President upon Mr. Rogelstad's election but will continue as the Company's Chief Executive Officer.
- On becoming President of the Company, Mr. Rogelstad's compensation package consists of base salary of $540,000, annual cash incentive target of 70% of base pay, and long-term incentive target of $1,000,000, as well as benefits commensurate with those of the Company's other named executive officers, as described in the Company's most recently filed definitive proxy statement.
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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.