OTTR insider transaction filings

Otter Tail Corp — 49 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-12. Screen OTTR transaction legs live →

FiledFormInsiderReported transactionsSource
2026-08-124KNUTSON PAUL L — VP, Human ResourcesSale (S): 250 @ $92.84 · Sale (S): 475 @ $94.63EDGAR
2026-08-114KNUTSON PAUL L — VP, Human ResourcesSale (S): 3,500 @ $93.11 · Gift (G): 725 @ $0 · Gift (G): 475 @ $0 · Gift (G): 250 @ $0EDGAR
2026-04-154Nelson Tyler J — VP, Chief Financial OfficerGrant/award (A): 800 (derivative) @ $0EDGAR
2026-04-154Wahlund Todd R — Senior Vice PresidentGrant/award (A): 300 (derivative) @ $0EDGAR
2026-04-154Smestad Jennifer O. — SVP General Counsel & Corp SecGrant/award (A): 5,800 (derivative) @ $0EDGAR
2026-04-154ROGELSTAD TIMOTHY J — PresidentGrant/award (A): 1,400 (derivative) @ $0EDGAR
2026-04-144Ludford Mary E — DirectorGrant/award (A): 1,500EDGAR
2026-04-144Crain Jeanne H — DirectorGrant/award (A): 1,500EDGAR
2026-04-144LeBeau Michael E — DirectorGrant/award (A): 1,500EDGAR
2026-04-144Clark Christopher B — DirectorGrant/award (A): 1,900EDGAR
2026-04-144Johnson Kathryn O — DirectorGrant/award (A): 1,500EDGAR
2026-04-144Rasche Steven P — DirectorGrant/award (A): 1,900EDGAR
2026-04-144ERICKSON JOHN D — DirectorGrant/award (A): 1,500EDGAR
2026-04-144PARTAIN NATHAN I — DirectorGrant/award (A): 2,000EDGAR
2026-04-144WEBB THOMAS J — DirectorGrant/award (A): 1,500EDGAR
2026-04-094Wahlund Todd R — Chief Financial OfficerOption exercise (M): 460 @ $90.11 · Tax withholding (F): 186 @ $90.11 · Option exercise (M): 460 (derivative) @ $0EDGAR
2026-02-124Wahlund Todd R — Chief Financial OfficerGrant/award (A): 1,400 (derivative) @ $0EDGAR
2026-02-124Smestad Jennifer O. — VP, General Council & Corp SecGrant/award (A): 6,000 @ $86.43 · Tax withholding (F): 3,031 @ $86.43 · Grant/award (A): 1,100 (derivative) @ $0EDGAR
2026-02-124Abbott John S — Sr VP, Manufacturing PlatformGrant/award (A): 8,400 @ $86.43 · Tax withholding (F): 4,209 @ $86.43 · Grant/award (A): 1,600 (derivative) @ $0EDGAR
2026-02-124ROGELSTAD TIMOTHY J — Sr VP, Electric PlatformGrant/award (A): 8,400 @ $86.43 · Tax withholding (F): 4,212 @ $86.43 · Grant/award (A): 1,600 (derivative) @ $0EDGAR
2026-02-124KNUTSON PAUL L — VP, Human ResourcesGrant/award (A): 3,600 @ $86.43 · Tax withholding (F): 1,592 @ $86.43 · Grant/award (A): 800 (derivative) @ $0EDGAR
2026-02-124MACFARLANE CHARLES S — President & CEOGrant/award (A): 47,700 @ $86.43 · Tax withholding (F): 23,515 @ $86.43 · Grant/award (A): 9,400 (derivative) @ $0EDGAR
2026-02-094Wahlund Todd R — Chief Financial OfficerOption exercise (M): 675 · Tax withholding (F): 119 @ $87.83 · Option exercise (M): 300 (derivative) @ $0 · Option exercise (M): 375 (derivative) @ $0EDGAR
2026-02-094Smestad Jennifer O. — VP, General Council & Corp SecOption exercise (M): 1,150 · Tax withholding (F): 541 @ $87.83 · Option exercise (M): 275 (derivative) @ $0 · Option exercise (M): 325 (derivative) @ $0 · Option exercise (M): 250 (derivative) @ $0 · Option exercise (M): 300 (derivative) @ $0EDGAR
2026-02-094Abbott John S — Sr VP, Manufacturing PlatformOption exercise (M): 1,625 · Tax withholding (F): 763 @ $87.83 · Option exercise (M): 400 (derivative) @ $0 · Option exercise (M): 450 (derivative) @ $0 · Option exercise (M): 350 (derivative) @ $0 · Option exercise (M): 425 (derivative) @ $0EDGAR
2026-02-094ROGELSTAD TIMOTHY J — Sr VP, Electric PlatformOption exercise (M): 1,625 · Tax withholding (F): 763 @ $87.83 · Option exercise (M): 400 (derivative) @ $0 · Option exercise (M): 450 (derivative) @ $0 · Option exercise (M): 350 (derivative) @ $0 · Option exercise (M): 425 (derivative) @ $0EDGAR
2026-02-094KNUTSON PAUL L — VP, Human ResourcesOption exercise (M): 700 · Tax withholding (F): 279 @ $87.83 · Option exercise (M): 175 (derivative) @ $0 · Option exercise (M): 200 (derivative) @ $0 · Option exercise (M): 150 (derivative) @ $0 · Option exercise (M): 175 (derivative) @ $0EDGAR
2026-02-094MACFARLANE CHARLES S — President & CEOOption exercise (M): 9,125 · Tax withholding (F): 4,277 @ $87.83 · Option exercise (M): 2,175 (derivative) @ $0 · Option exercise (M): 2,500 (derivative) @ $0 · Option exercise (M): 1,975 (derivative) @ $0 · Option exercise (M): 2,475 (derivative) @ $0EDGAR
2025-04-144Johnson Kathryn O — DirectorGrant/award (A): 1,700EDGAR
2025-04-144Crain Jeanne H — DirectorGrant/award (A): 1,700EDGAR
2025-04-144LeBeau Michael E — DirectorGrant/award (A): 1,700EDGAR
2025-04-144Ludford Mary E — DirectorGrant/award (A): 1,700EDGAR
2025-04-144FRITZE STEVEN L — DirectorGrant/award (A): 1,700EDGAR
2025-04-144ERICKSON JOHN D — DirectorGrant/award (A): 1,700EDGAR
2025-04-144PARTAIN NATHAN I — DirectorGrant/award (A): 2,200EDGAR
2025-04-144WEBB THOMAS J — DirectorGrant/award (A): 1,700EDGAR
2025-04-094Wahlund Todd R — Chief Financial OfficerOption exercise (M): 600 @ $75.39 · Tax withholding (F): 308 @ $75.39 · Option exercise (M): 600 (derivative) @ $0EDGAR
2025-02-134ROGELSTAD TIMOTHY J — Sr VP, Electric PlatformGrant/award (A): 7,560 @ $79.61 · Tax withholding (F): 3,801 @ $79.61 · Grant/award (A): 1,700 (derivative) @ $0EDGAR
2025-02-134Abbott John S — Sr VP, Manufacturing PlatformGrant/award (A): 7,560 @ $79.61 · Tax withholding (F): 3,798 @ $79.61 · Grant/award (A): 1,700 (derivative) @ $0EDGAR
2025-02-134KNUTSON PAUL L — VP, Human ResourcesGrant/award (A): 3,080 @ $79.61 · Tax withholding (F): 1,390 @ $79.61 · Grant/award (A): 700 (derivative) @ $0EDGAR
2025-02-134Smestad Jennifer O. — VP, General Council & Corp SecGrant/award (A): 5,320 @ $79.61 · Tax withholding (F): 2,633 @ $79.61 · Grant/award (A): 1,200 (derivative) @ $0EDGAR
2025-02-134Wahlund Todd R — Chief Financial OfficerGrant/award (A): 1,500 (derivative) @ $0EDGAR
2025-02-134MACFARLANE CHARLES S — President & CEOGrant/award (A): 41,440 @ $79.61 · Tax withholding (F): 20,435 @ $79.61 · Grant/award (A): 9,900 (derivative) @ $0EDGAR
2025-02-074Wahlund Todd R — Chief Financial OfficerOption exercise (M): 300 · Tax withholding (F): 164 @ $78.99 · Option exercise (M): 300 (derivative) @ $0EDGAR
2025-02-074ROGELSTAD TIMOTHY J — Sr VP, Electric PlatformOption exercise (M): 1,775 · Tax withholding (F): 833 @ $78.99 · Option exercise (M): 575 (derivative) @ $0 · Option exercise (M): 400 (derivative) @ $0 · Option exercise (M): 450 (derivative) @ $0 · Option exercise (M): 350 (derivative) @ $0EDGAR
2025-02-074Smestad Jennifer O. — VP, General Council & Corp SecOption exercise (M): 1,250 · Tax withholding (F): 683 @ $78.99 · Option exercise (M): 400 (derivative) @ $0 · Option exercise (M): 275 (derivative) @ $0 · Option exercise (M): 325 (derivative) @ $0 · Option exercise (M): 250 (derivative) @ $0EDGAR
2025-02-074KNUTSON PAUL L — VP, Human ResourcesOption exercise (M): 775 · Tax withholding (F): 310 @ $78.99 · Option exercise (M): 250 (derivative) @ $0 · Option exercise (M): 175 (derivative) @ $0 · Option exercise (M): 200 (derivative) @ $0 · Option exercise (M): 150 (derivative) @ $0EDGAR
2025-02-074Abbott John S — Sr VP, Manufacturing PlatformOption exercise (M): 1,775 · Tax withholding (F): 833 @ $78.99 · Option exercise (M): 575 (derivative) @ $0 · Option exercise (M): 400 (derivative) @ $0 · Option exercise (M): 450 (derivative) @ $0 · Option exercise (M): 350 (derivative) @ $0EDGAR
2025-02-074MACFARLANE CHARLES S — President & CEOOption exercise (M): 9,525 · Tax withholding (F): 4,464 @ $78.99 · Option exercise (M): 2,875 (derivative) @ $0 · Option exercise (M): 2,175 (derivative) @ $0 · Option exercise (M): 2,500 (derivative) @ $0 · Option exercise (M): 1,975 (derivative) @ $0EDGAR

Recent 8-K events — Otter Tail Corp

FiledFormItems reportedSource
2026-08-048-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-188-K1.01 — Entry into a Material Definitive AgreementEDGAR
2026-06-058-K2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a RegistrantEDGAR
2026-05-298-K1.01 — Entry into a Material Definitive AgreementEDGAR
2026-05-158-K8.01 — Other EventsEDGAR
2026-05-058-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-158-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-04-148-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-238-K1.01 — Entry into a Material Definitive Agreement
2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-178-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
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