InsiderTrades

Form 4 for OTTR Otter Tail Corp

Accepted 2026-02-09 00:00:00 ET · period of report 2026-02-06 · accession 0002002077-26-000002 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-02-09 2026-02-06 OTTR Wahlund Todd R CFO F - Tax $87.83 -119 10.0K -1% -$10.5K
D 2026-02-09 2026-02-06 OTTR Wahlund Todd R CFO M - OptEx — +675 10.1K +7% —
DM 2026-02-09 2026-02-06 OTTR Wahlund Todd R CFO M - OptEx $0.00 -675 600 -53% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-06 F D 119 $87.83 10,029 D — — (F2) These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e). (F3) Total direct holdings include shares acquired through the dividend reinvestment plan, the Employee Stock Purchase Plan, and shares acquired pursuant to restricted stock unit distributions.
2 Common Common Stock 2026-02-06 M A 675 — 10,148 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.
3 Derivative Restricted Stock Units 2026-02-06 M D 375 $0.00 1,125 D — · 2026-02-06 to — 1,125 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock. (F4) The restricted stock units vest in four equal annual installments beginning the date shown above.
4 Derivative Restricted Stock Units 2026-02-06 M D 300 $0.00 600 D — · 2025-02-06 to — 600 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock. (F4) The restricted stock units vest in four equal annual installments beginning the date shown above.