Otter Tail VP settles RSUs, withholds 279 shares

Otter Tail Corporation VP of Human Resources Paul L. Knutson reported equity award activity involving common stock and restricted stock units.

Rhea-AI Filing Summary

Otter Tail Corporation VP of Human Resources Paul L. Knutson reported equity award activity involving common stock and restricted stock units. On February 6, 2026, 700 shares of common stock were acquired following the conversion of restricted stock units. Of these, 279 shares were withheld by the company at $87.83 per share to cover taxes due upon vesting, as described in the footnotes. After these transactions, Knutson directly held 22,975 shares of Otter Tail common stock. The filing also shows multiple restricted stock unit awards that vest in four equal annual installments beginning on their respective grant dates.

Insider Trade Summary

700 shares exercised/converted

Exercise 6 txns

Insider KNUTSON PAUL L

Role VP, Human Resources

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	175	$0.00	$0.00
Exercise	Restricted Stock Units	200	$0.00	$0.00
Exercise	Restricted Stock Units	150	$0.00	$0.00
Exercise	Restricted Stock Units	175	$0.00	$0.00
Exercise	Common Stock	700	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	279	$87.83	$25K

Holdings After Transaction: Restricted Stock Units — 1,025 contracts (Direct); Common Stock — 22,975 shares (Direct)

Footnotes (4)

1. F1. Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.
2. F2. These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).
3. 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.
4. F4. The restricted stock units vest in four equal annual installments beginning the date shown above.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Otter Tail Corp (OTTR) report for Paul L. Knutson?

Otter Tail reported that VP of Human Resources Paul L. Knutson settled restricted stock units into 700 shares of common stock on February 6, 2026. The filing also shows tax-related share withholding and an updated total of 22,975 directly held common shares.

How many Otter Tail (OTTR) shares does Paul L. Knutson hold after this Form 4?

After the reported transactions, Paul L. Knutson directly holds 22,975 shares of Otter Tail common stock. This total includes shares acquired over time through dividend reinvestment, the Employee Stock Purchase Plan, and prior restricted stock and performance share awards.

Why were 279 Otter Tail (OTTR) shares withheld in this Form 4 filing?

The 279 shares of Otter Tail common stock were withheld by the company to pay taxes due upon vesting of an equity award, at a price of $87.83 per share. The transaction is described as tax withholding exempt under Rule 16b-3(e) in the footnotes.

What do the restricted stock units in the Otter Tail (OTTR) Form 4 represent?

Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock. The awards vest in four equal annual installments starting on the dates listed, and vested units are settled into shares of common stock as shown in the filing.

What is Paul L. Knutson’s role at Otter Tail Corp (OTTR) according to the Form 4?

According to the Form 4, Paul L. Knutson serves as an officer of Otter Tail Corporation with the title Vice President, Human Resources. The transactions reported reflect his personal equity compensation in the form of restricted stock units and common stock.

How were the derivative securities treated in this Otter Tail (OTTR) Form 4?

The derivative securities reported are restricted stock units that converted into common stock on February 6, 2026. Several tranches vested, reducing some unit balances to zero and increasing directly held common shares in line with the one-for-one conversion described in the footnotes.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/09/2026 - 04:44 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

KNUTSON PAUL L

(Last) (First) (Middle)

215 SOUTH 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)
	VP, Human Resources

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

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	02/06/2026		M		700	A	(1)	23,254	D
Common Stock	02/06/2026		F		279(2)	D	$87.83	22,975(3)	D(3)

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	(1)	02/06/2026		M			175	02/06/2023(4)	(4)	Common Stock	0	$0	0	D
Restricted Stock Units	(1)	02/06/2026		M			200	02/06/2024(4)	(4)	Common Stock	200	$0	200	D
Restricted Stock Units	(1)	02/06/2026		M			150	02/06/2025(4)	(4)	Common Stock	300	$0	300	D
Restricted Stock Units	(1)	02/06/2026		M			175	02/06/2026(4)	(4)	Common Stock	525	$0	525	D

Explanation of Responses:

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

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

3. 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.

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

Remarks:

	/s/ Paul L. Knutson by James A. Versteeg, Attorney-in-Fact	02/09/2026
	** 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.
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