Todd R. Wahlund - 10 Feb 2026 Form 4 Insider Report for Otter Tail Corp (OTTR)

Role
Chief Financial Officer
Signature
/s/ Todd R. Wahlund by James A. Versteeg, Attorney-in-Fact
Issuer symbol
OTTR
Transactions as of
10 Feb 2026
Net transactions value
$0
Form type
4
Filing time
12 Feb 2026, 07:15:16 UTC
Previous filing
09 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Wahlund Todd R Chief Financial Officer 215 S CASCADE STREET, FERGUS FALLS /s/ Todd R. Wahlund by James A. Versteeg, Attorney-in-Fact 12 Feb 2026 0002002077

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding OTTR Common Stock 10,029 10 Feb 2026 Direct F1
holding OTTR Common Stock 3,048 10 Feb 2026 By ESOP
holding OTTR Common Stock 7 10 Feb 2026 By Spouse

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction OTTR Restricted Stock Units Award $0 +1,400 $0.000000 1,400 10 Feb 2026 Common Stock 1,400 Direct F2, F3
holding OTTR Restricted Stock Units 1,125 10 Feb 2026 Common Stock 1,125 Direct F2, F3
holding OTTR Restricted Stock Units 600 10 Feb 2026 Common Stock 600 Direct F2, F3
holding OTTR Restricted Stock Units 460 10 Feb 2026 Common Stock 460 Direct F2, F4
holding OTTR Restricted Stock Units 600 10 Feb 2026 Common Stock 600 Direct F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Total direct holdings include shares acquired through the dividend reinvestment plan, the Employee Stock Purchase Plan, and shares acquired pursuant to restricted stock unit distributions.
F2 Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.
F3 The restricted stock units vest in four equal annual installments beginning the date shown above.
F4 Restricted stock units vest four years from date shown above.