Otter Tail (NASDAQ: OTTR) CFO receives 1,400-share restricted stock unit grant

Rhea-AI Filing Summary

Otter Tail Corporation’s Chief Financial Officer Todd R. Wahlund reported an equity compensation grant on a Form 4. On February 10, 2026, he acquired 1,400 restricted stock units (RSUs), with no cash price shown for the award.

Each RSU represents a contingent right to receive one share of Otter Tail Corporation common stock. These RSUs are scheduled to vest in four equal annual installments beginning on February 6, 2027. The filing also lists existing RSU awards and common stock positions that he holds directly, through an ESOP, and via his spouse.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wahlund Todd R

(Last) (First) (Middle)

215 S CASCADE STREET

(Street)

FERGUS FALLS MN 56537

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Otter Tail Corp [ OTTR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/10/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock								10,029(1)	D
Common Stock								3,048	I	By ESOP
Common Stock								7	I	By Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(2)	02/10/2026		A		1,400		02/06/2027(3)	(3)	Common Stock	1,400	$0	1,400	D
Restricted Stock Units	(2)							02/06/2026(3)	(3)	Common Stock	1,125		1,125	D
Restricted Stock Units	(2)							02/06/2025(3)	(3)	Common Stock	600		600	D
Restricted Stock Units	(2)							04/08/2022	(4)	Common Stock	460		460	D
Restricted Stock Units	(2)							04/08/2023	(4)	Common Stock	600		600	D

Explanation of Responses:

1. 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.

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

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

4. Restricted stock units vest four years from date shown above.

Remarks:

	/s/ Todd R. Wahlund by James A. Versteeg, Attorney-in-Fact	02/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Otter Tail (OTTR) report for its CFO?

Otter Tail’s CFO Todd R. Wahlund reported receiving 1,400 restricted stock units on February 10, 2026. The Form 4 shows this as an equity award, not an open-market stock purchase or sale, and describes the grant as a contingent right to common shares.

How many restricted stock units did the Otter Tail (OTTR) CFO receive?

Todd R. Wahlund received 1,400 restricted stock units in the reported transaction. The filing notes that each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation common stock, subject to the vesting schedule outlined in the document.

When do the new Otter Tail (OTTR) restricted stock units start vesting?

The newly reported restricted stock units begin vesting on February 6, 2027. According to the filing, these 1,400 RSUs vest in four equal annual installments, meaning portions of the award become deliverable as common shares over four years.

What does each Otter Tail (OTTR) restricted stock unit represent?

Each Otter Tail restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock. The RSUs do not immediately deliver shares; they convert into common stock as they vest under the multi‑year schedule described in the Form 4 footnotes.

What stock holdings does the Otter Tail (OTTR) CFO report after this grant?

After the reported transactions, the CFO lists 10,029 common shares held directly, 3,048 common shares held indirectly through an ESOP, and 7 common shares held indirectly by his spouse. The filing also details several tranches of restricted stock units with different vesting dates.

Is the Otter Tail (OTTR) CFO’s Form 4 transaction a stock sale?

No, the transaction is not a stock sale. The Form 4 identifies the main transaction as an acquisition of 1,400 restricted stock units coded as a grant or award, indicating equity compensation rather than open‑market selling of Otter Tail common shares.