Smestad Jennifer O - 13 Apr 2026 Form 4 Insider Report for Otter Tail Corp (OTTR)

Reporting relationship: SVP General Counsel & Corp Sec
Issuer ticker: OTTR
Reported as of: 13 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 Apr 2026, 11:34:25 UTC
Prior SEC filing: 12 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Jennifer O. Smestad by James A. Versteeg, Attorney-in-Fact

Key filing fact

Smestad Jennifer O filed Form 4 for Otter Tail Corp (OTTR) on 15 Apr 2026.

Key facts

This page summarizes Smestad Jennifer O's Form 4 filing for Otter Tail Corp (OTTR).
1 reported transaction and 5 derivative rows are listed below.
Accepted by SEC: 15 Apr 2026, 11:34.

Change

Previous filing in this sequence was filed on 12 Feb 2026.
Current net transaction value: $0.

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 0001726153 Primary reporting owner

Smestad Jennifer O.

Relationship: SVP General Counsel & Corp Sec
Address: 215 SOUTH CASCADE STREET, FERGUS FALLS
Signature: /s/ Jennifer O. Smestad by James A. Versteeg, Attorney-in-Fact
Signature date: 15 Apr 2026

Reported non-derivative transactions

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

OTTR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 19,137
Date: 13 Apr 2026
Ownership: Direct
Footnotes: F1

OTTR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 488
Date: 13 Apr 2026
Ownership: By ESOP

Reported derivative securities

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

OTTR transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +5,800
Change %
Price: $0.000000^*
Shares after: 5,800
Date: 13 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,800
Exercise price
Footnotes: F2, F3

OTTR holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 325
Date: 13 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 325
Exercise price
Footnotes: F2, F4

OTTR holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 500
Date: 13 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 500
Exercise price
Footnotes: F2, F4

OTTR holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 900
Date: 13 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 900
Exercise price
Footnotes: F2, F4

OTTR holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,100
Date: 13 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,100
Exercise price
Footnotes: F2, F4

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Total direct holdings include shares held jointly with spouse and shares acquired through the Employee Stock Purchase Plan, the Dividend Reinvestment Plan, and shares acquired pursuant to Restricted Stock Awards and Performance Share Awards.

Footnote F2

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

Footnote F3

The restricted stock units vest on April 8, 2031.

Footnote F4

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