InsiderTrades

Form 4 for OTTR Otter Tail Corp

Accepted 2026-04-14 14:02:19 ET · period of report 2026-04-13 · accession 0001191483-26-000002 · 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
2026-04-14 14:02 2026-04-13 OTTR ERICKSON JOHN D Dir A - Grant — +1,500 3,133 +92% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-04-13 A A 1,500 — 3,133 D — — (F1) Shares of Common Stock acquired under the 2023 Stock Incentive Plan, which is a grant of Restricted Stock. The shares granted on April 13, 2026 will vest in near-equal installments of one-third per year beginning April 8, 2027. (F2) This grant has a fair market value of $91.15. (F3) Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions.