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

Reporting relationship: VP, Human Resources
Issuer ticker: OTTR
Reported as of: 10 Feb 2026
Net transaction value: +$173,551
SEC form: 4
Accepted by SEC: 12 Feb 2026, 09:42:19 UTC
Prior SEC filing: 09 Feb 2026
Next 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 Feb 2026.

Key facts

This page summarizes Paul L. Knutson's Form 4 filing for Otter Tail Corp (OTTR).
3 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 12 Feb 2026, 09:42.

Change

Previous filing in this sequence was filed on 09 Feb 2026.
Current net transaction value: +$173,551.

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 Feb 2026

Reported non-derivative transactions

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

OTTR transaction

Common Stock

Award

Transaction value: $311,148
Shares: +3,600
Change %: +16%
Price: $86.43
Shares after: 26,575
Date: 11 Feb 2026
Ownership: Direct
Footnotes: F1

OTTR transaction

Common Stock

Tax liability

Transaction value: $137,597
Shares: -1,592
Change %: -6%
Price: $86.43
Shares after: 24,983
Date: 11 Feb 2026
Ownership: Direct
Footnotes: F2, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

OTTR transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +800
Change %
Price: $0.000000
Shares after: 800
Date: 10 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 800
Exercise price
Footnotes: F4, F5

OTTR holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 200
Date: 10 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 200
Exercise price
Footnotes: F4, F5

OTTR holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 300
Date: 10 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 300
Exercise price
Footnotes: F4, F5

OTTR holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 525
Date: 10 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 525
Exercise price
Footnotes: F4, F5

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2023).

Footnote F2

These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

Footnote F3

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 F4

Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

Footnote F5

The restricted stock units vest in four equal annual installments beginning the date shown above.