8-K current report · filed Apr 14, 2026

Otter Tail Corp (OTTR) 8-K Current Report: April 14, 2026

Item 5.02Item 7.01Item EX-99.1OTTR overview

Short answer

Otter Tail Corp (OTTR) filed an 8-K current report with the SEC on April 14, 2026 reporting Item 5.02 (Departure/Election of Directors or Officers), Item 7.01 (Regulation FD Disclosure), Item EX-99.1 (Exhibit EX-99.1). Tim Rogelstad named President, with Charles MacFarlane retaining CEO role; continuity-focused leadership transition.

Otter Tail Corp 8-K event analysis

AI summary of each reported item and its exhibits

Item 5.02 · Departure/Election of Directors or Officers

  • Tim Rogelstad named President, with Charles MacFarlane retaining CEO role; continuity-focused leadership transition
  • Rogelstad compensation: $540,000 salary, 70% cash incentive target, $1,000,000 long-term incentive target
  • Tyler Nelson promoted to CFO; prior finance, treasury, accounting and reporting experience supports internal succession
  • Todd Wahlund moved from CFO to President of Otter Tail Power Company, maintaining utility leadership continuity
  • $500,000 retention award for General Counsel Jennifer Smestad cliff-vesting April 8, 2031; change-in-control acceleration provisions apply

Item 7.01 · Regulation FD Disclosure

  • Press release covers previously announced executive transitions at Otter Tail Corp
  • Exhibit 99.1 contains the substantive transition details and is incorporated by reference
  • Regulation FD filing makes the executive changes broadly available to investors

Item EX-99.1 · Exhibit EX-99.1

  • Executive succession effective April 13, 2026, with Tim Rogelstad becoming President and overseeing electric and manufacturing platforms
  • Todd Wahlund appointed Senior Vice President and President of Otter Tail Power Company, preserving experienced utility leadership
  • Tyler Nelson promoted to Vice President and CFO, supporting financial-management continuity after serving as Treasurer
  • Leadership changes strengthen internal succession depth across operating and finance functions, with no immediate strategy change disclosed

Generated from the filing text and exhibits; verify against the original. What 8-K item codes mean

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