Paul L. Knutson - 10 Aug 2026 Form 4 Insider Report for Otter Tail Corp (OTTR)

Reporting relationship: VP, Human Resources
Issuer ticker: OTTR
Reported as of: 10 Aug 2026
Net transaction value: -$68,159
SEC form: 4
Accepted by SEC: 12 Aug 2026, 11:24:20 UTC
Prior SEC filing: 11 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Paul L. Knutson by James A. Versteeg, Attorney-in-Fact

Key filing fact

Paul L. Knutson filed Form 4 for Otter Tail Corp (OTTR) on 12 Aug 2026.

Key facts

This page summarizes Paul L. Knutson's Form 4 filing for Otter Tail Corp (OTTR).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 12 Aug 2026, 11:24.

Change

Previous filing in this sequence was filed on 11 Aug 2026.
Current net transaction value: -$68,159.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001559334 Primary reporting owner

KNUTSON PAUL L

Relationship: VP, Human Resources
Address: 215 SOUTH CASCADE STREET, FERGUS FALLS
Signature: /s/ Paul L. Knutson by James A. Versteeg, Attorney-in-Fact
Signature date: 12 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OTTR transaction

Common Stock

Sale

Transaction value: $23,210
Shares: -250
Change %: -100%
Price: $92.84
Shares after: 0
Date: 10 Aug 2026
Ownership: By son
Footnotes: F2

OTTR transaction

Common Stock

Sale

Transaction value: $44,949
Shares: -475
Change %: -100%
Price: $94.63
Shares after: 0
Date: 11 Aug 2026
Ownership: By daughter
Footnotes: F3

OTTR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 20,770
Date: 10 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

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.

Footnote F2

The shares were sold in a single transaction at a price of $92.84 per share.

Footnote F3

The shares were sold in a single transaction at a price of $94.63 per share.