InsiderTrades

Form 4 for OTTR Otter Tail Corp

Accepted 2026-08-11 13:32:00 ET · period of report 2026-08-07 · accession 0001559334-26-000006 · 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
2026-08-11 13:32 2026-08-07 OTTR KNUTSON PAUL L VP, Human Resources S - Sale $93.11 -3,500 21.5K -14% -$325.9K
2026-08-11 13:32 2026-08-07 OTTR KNUTSON PAUL L VP, Human Resources G - Gift $0.00 -725 20.8K -3% $0
MI 2026-08-11 13:32 2026-08-07 OTTR KNUTSON PAUL L VP, Human Resources G - Gift $0.00 +725 250 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-07 S D 3,500 $93.11 21,495 D — — (F1) $93.11 is the weighted average sales price of the shares sold. These shares were sold in multiple transactions at prices ranging from $92.74 to $93.32 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. (F2) Total direct holdings include shares acquired individually through dividend reinvestment, Employee Stock Purchase Plan, and acquired pursuant to Restricted Stock Awards and Performance Share Awards.
2 Common Common Stock 2026-08-07 G D 725 $0.00 20,770 D — — (F3) This transaction involved the reporting person's gift of 475 shares of common stock to his daughter and 250 shares of common stock to his son. (F2) Total direct holdings include shares acquired individually through dividend reinvestment, Employee Stock Purchase Plan, and acquired pursuant to Restricted Stock Awards and Performance Share Awards.
3 Common Common Stock 2026-08-07 G A 475 $0.00 475 I By daughter — — (F3) This transaction involved the reporting person's gift of 475 shares of common stock to his daughter and 250 shares of common stock to his son.
4 Common Common Stock 2026-08-07 G A 250 $0.00 250 I By son — — (F3) This transaction involved the reporting person's gift of 475 shares of common stock to his daughter and 250 shares of common stock to his son.