InsiderTrades

Form 4 for OTTR Otter Tail Corp

Accepted 2026-08-12 11:24:20 ET · period of report 2026-08-10 · accession 0001559334-26-000010 · 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
MI 2026-08-12 11:24 2026-08-10+ OTTR KNUTSON PAUL L VP, Human Resources S - Sale $94.01 -725 0 -100% -$68.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-10 S D 250 $92.84 0 I By son — — (F2) The shares were sold in a single transaction at a price of $92.84 per share.
2 Common Common Stock 2026-08-11 S D 475 $94.63 0 I By daughter — — (F3) The shares were sold in a single transaction at a price of $94.63 per share.