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Nasdaq · USD

OTTR

Otter Tail Corp

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Tapewire entity
4087
SEC CIK
0001466593
Parsed reports
260

Last 12 months

Inside the activity.

0 purchase rows · 3 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202600
Feb 202600
Mar 202600
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202603
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
February 06, 2026 Filed Feb 9, 2026 22:17 UTC
ROGELSTAD TIMOTHY JSr VP, Electric Platform
Exercise / conversionRestricted Stock Units · Derivative 450 $0.00 $0.00
Disclosure

SEC source: 0001605621-26-000002 · wk-form4_1770675465.xml · derivative · entry 5

ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 450

Underlying: Common Stock · 450 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 22:17 UTC
ROGELSTAD TIMOTHY JSr VP, Electric Platform
Exercise / conversionRestricted Stock Units · Derivative 400 $0.00 $0.00
Disclosure

SEC source: 0001605621-26-000002 · wk-form4_1770675465.xml · derivative · entry 4

ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 0 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 22:17 UTC
ROGELSTAD TIMOTHY JSr VP, Electric Platform
Tax withholdingCommon Stock 763 $87.83 $67,014.29
Disclosure

SEC source: 0001605621-26-000002 · wk-form4_1770675465.xml · nonDerivative · entry 2

ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,892

F2 · shares: These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

F3 · balance_after: 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.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 22:17 UTC
ROGELSTAD TIMOTHY JSr VP, Electric Platform
Exercise / conversionCommon Stock 1,625 Not disclosed Not disclosed
Disclosure

SEC source: 0001605621-26-000002 · wk-form4_1770675465.xml · nonDerivative · entry 1

ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,655

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 22:05 UTC
MACFARLANE CHARLES SPresident & CEO
Exercise / conversionRestricted Stock Units · Derivative 2,475 $0.00 $0.00
Disclosure

SEC source: 0001278053-26-000002 · wk-form4_1770674731.xml · derivative · entry 8

MACFARLANE CHARLES S · CIK 0001278053 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,425

Underlying: Common Stock · 7,425 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 22:05 UTC
MACFARLANE CHARLES SPresident & CEO
Exercise / conversionRestricted Stock Units · Derivative 1,975 $0.00 $0.00
Disclosure

SEC source: 0001278053-26-000002 · wk-form4_1770674731.xml · derivative · entry 7

MACFARLANE CHARLES S · CIK 0001278053 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,950

Underlying: Common Stock · 3,950 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 22:05 UTC
MACFARLANE CHARLES SPresident & CEO
Exercise / conversionRestricted Stock Units · Derivative 2,500 $0.00 $0.00
Disclosure

SEC source: 0001278053-26-000002 · wk-form4_1770674731.xml · derivative · entry 6

MACFARLANE CHARLES S · CIK 0001278053 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 22:05 UTC
MACFARLANE CHARLES SPresident & CEO
Exercise / conversionRestricted Stock Units · Derivative 2,175 $0.00 $0.00
Disclosure

SEC source: 0001278053-26-000002 · wk-form4_1770674731.xml · derivative · entry 5

MACFARLANE CHARLES S · CIK 0001278053 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 0 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 22:05 UTC
MACFARLANE CHARLES SPresident & CEO
Tax withholdingCommon Stock 4,277 $87.83 $375,648.91
Disclosure

SEC source: 0001278053-26-000002 · wk-form4_1770674731.xml · nonDerivative · entry 2

MACFARLANE CHARLES S · CIK 0001278053 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 227,412

F2 · shares: These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

F3 · balance_after: Total direct holdings include shares acquired through the Dividend Reinvestment Plan, the Employee Stock Purchase Plan and shares acquired pursuant to Stock Options, Restricted Stock Awards, Restricted Stock Units and Performance Share Awards.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 22:05 UTC
MACFARLANE CHARLES SPresident & CEO
Exercise / conversionCommon Stock 9,125 Not disclosed Not disclosed
Disclosure

SEC source: 0001278053-26-000002 · wk-form4_1770674731.xml · nonDerivative · entry 1

MACFARLANE CHARLES S · CIK 0001278053 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 231,689

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:44 UTC
KNUTSON PAUL LVP, Human Resources
Exercise / conversionRestricted Stock Units · Derivative 175 $0.00 $0.00
Disclosure

SEC source: 0001559334-26-000002 · wk-form4_1770673455.xml · derivative · entry 6

KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525

Underlying: Common Stock · 525 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:44 UTC
KNUTSON PAUL LVP, Human Resources
Exercise / conversionRestricted Stock Units · Derivative 150 $0.00 $0.00
Disclosure

SEC source: 0001559334-26-000002 · wk-form4_1770673455.xml · derivative · entry 5

KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 300

Underlying: Common Stock · 300 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:44 UTC
KNUTSON PAUL LVP, Human Resources
Exercise / conversionRestricted Stock Units · Derivative 200 $0.00 $0.00
Disclosure

SEC source: 0001559334-26-000002 · wk-form4_1770673455.xml · derivative · entry 4

KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200

Underlying: Common Stock · 200 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:44 UTC
KNUTSON PAUL LVP, Human Resources
Exercise / conversionRestricted Stock Units · Derivative 175 $0.00 $0.00
Disclosure

SEC source: 0001559334-26-000002 · wk-form4_1770673455.xml · derivative · entry 3

KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 0 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:44 UTC
KNUTSON PAUL LVP, Human Resources
Tax withholdingCommon Stock 279 $87.83 $24,504.57
Disclosure

SEC source: 0001559334-26-000002 · wk-form4_1770673455.xml · nonDerivative · entry 2

KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,975

F2 · shares: These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

F3 · balance_after: 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.

F3 · ownership.direct: 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.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:44 UTC
KNUTSON PAUL LVP, Human Resources
Exercise / conversionCommon Stock 700 Not disclosed Not disclosed
Disclosure

SEC source: 0001559334-26-000002 · wk-form4_1770673455.xml · nonDerivative · entry 1

KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,254

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:32 UTC
Smestad Jennifer O.VP, General Council & Corp Sec
Exercise / conversionRestricted Stock Units · Derivative 300 $0.00 $0.00
Disclosure

SEC source: 0001726153-26-000002 · wk-form4_1770672742.xml · derivative · entry 7

Smestad Jennifer O. · CIK 0001726153 · VP, General Council & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 900

Underlying: Common Stock · 900 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:32 UTC
Smestad Jennifer O.VP, General Council & Corp Sec
Exercise / conversionRestricted Stock Units · Derivative 250 $0.00 $0.00
Disclosure

SEC source: 0001726153-26-000002 · wk-form4_1770672742.xml · derivative · entry 6

Smestad Jennifer O. · CIK 0001726153 · VP, General Council & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 500

Underlying: Common Stock · 500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:32 UTC
Smestad Jennifer O.VP, General Council & Corp Sec
Exercise / conversionRestricted Stock Units · Derivative 325 $0.00 $0.00
Disclosure

SEC source: 0001726153-26-000002 · wk-form4_1770672742.xml · derivative · entry 5

Smestad Jennifer O. · CIK 0001726153 · VP, General Council & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 325

Underlying: Common Stock · 325 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:32 UTC
Smestad Jennifer O.VP, General Council & Corp Sec
Exercise / conversionRestricted Stock Units · Derivative 275 $0.00 $0.00
Disclosure

SEC source: 0001726153-26-000002 · wk-form4_1770672742.xml · derivative · entry 4

Smestad Jennifer O. · CIK 0001726153 · VP, General Council & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 0 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:32 UTC
Smestad Jennifer O.VP, General Council & Corp Sec
Tax withholdingCommon Stock 541 $87.83 $47,516.03
Disclosure

SEC source: 0001726153-26-000002 · wk-form4_1770672742.xml · nonDerivative · entry 2

Smestad Jennifer O. · CIK 0001726153 · VP, General Council & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,168

F2 · shares: These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

F3 · balance_after: 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.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:32 UTC
Smestad Jennifer O.VP, General Council & Corp Sec
Exercise / conversionCommon Stock 1,150 Not disclosed Not disclosed
Disclosure

SEC source: 0001726153-26-000002 · wk-form4_1770672742.xml · nonDerivative · entry 1

Smestad Jennifer O. · CIK 0001726153 · VP, General Council & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,709

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

Read SEC document
April 13, 2025 Filed Apr 14, 2025 19:45 UTC GrantCommon Stock 1,700 Not disclosed Not disclosed
Disclosure

SEC source: 0001466593-25-000058 · wk-form4_1744659908.xml · nonDerivative · entry 1

WEBB THOMAS J · CIK 0001179875 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,100

F1 · kind: Shares of Common Stock acquired under the 2023 Stock Incentive Plan, which is a grant of Restricted Stock. The shares granted on April 13, 2025 will vest in near-equal installments of one-third per year beginning April 8, 2026.

F2 · price: This grant has a fair market value of $77.59.

F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions.

Read SEC document
April 13, 2025 Filed Apr 14, 2025 20:32 UTC GrantCommon Stock 1,700 Not disclosed Not disclosed
Disclosure

SEC source: 0001466593-25-000068 · wk-form4_1744662718.xml · nonDerivative · entry 1

Crain Jeanne H · CIK 0001959390 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,429

F1 · kind: Shares of Common Stock acquired under the 2023 Stock Incentive Plan, which is a grant of Restricted Stock. The shares granted on April 13, 2025 will vest in near-equal installments of one-third per year beginning April 8, 2026.

F2 · price: This grant has a fair market value of $77.59.

F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions.

Read SEC document
April 13, 2025 Filed Apr 14, 2025 20:22 UTC GrantCommon Stock 2,200 Not disclosed Not disclosed
Disclosure

SEC source: 0001466593-25-000066 · wk-form4_1744662153.xml · nonDerivative · entry 1

PARTAIN NATHAN I · CIK 0001180965 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,741

F1 · kind: Shares of Common Stock acquired under the 2023 Stock Incentive Plan, which is a grant of Restricted Stock. The shares granted on April 13, 2025 will vest in near-equal installments of one-third per year beginning April 8, 2026.

F2 · price: This grant has a fair market value of $77.59.

F3 · balance_after: Total direct holdings include shares acquired individually through the Dividend Reinvestment Plan and shares acquired individually pursuant to Restricted Stock Award distributions.

Read SEC document
April 13, 2025 Filed Apr 14, 2025 20:34 UTC GrantCommon Stock 1,700 Not disclosed Not disclosed
Disclosure

SEC source: 0001466593-25-000070 · wk-form4_1744662878.xml · nonDerivative · entry 1

Johnson Kathryn O · CIK 0001574100 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,953

F1 · kind: Shares of Common Stock acquired under the 2023 Stock Incentive Plan, which is a grant of Restricted Stock. The shares granted on April 13, 2025 will vest in near-equal installments of one-third per year beginning April 8, 2026.

F2 · price: This grant has a fair market value of $77.59.

F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions.

Read SEC document
April 13, 2025 Filed Apr 14, 2025 20:37 UTC GrantCommon Stock 1,700 Not disclosed Not disclosed
Disclosure

SEC source: 0001466593-25-000072 · wk-form4_1744663032.xml · nonDerivative · entry 1

FRITZE STEVEN L · CIK 0001198756 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,533

F1 · kind: Shares of Common Stock acquired under the 2023 Stock Incentive Plan, which is a grant of Restricted Stock. The shares granted on April 13, 2025 will vest in near-equal installments of one-third per year beginning April 8, 2026.

F2 · price: This grant has a fair market value of $77.59.

F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions

Read SEC document
April 13, 2025 Filed Apr 14, 2025 20:05 UTC GrantCommon Stock 1,700 Not disclosed Not disclosed
Disclosure

SEC source: 0001466593-25-000064 · wk-form4_1744661111.xml · nonDerivative · entry 1

ERICKSON JOHN D · CIK 0001191483 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,233

F1 · kind: Shares of Common Stock acquired under the 2023 Stock Incentive Plan, which is a grant of Restricted Stock. The shares granted on April 13, 2025 will vest in near-equal installments of one-third per year beginning April 8, 2026.

F2 · price: This grant has a fair market value of $77.59.

F3 · ownership.direct: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions.

Read SEC document
April 13, 2025 Filed Apr 14, 2025 19:59 UTC GrantCommon Stock 1,700 Not disclosed Not disclosed
Disclosure

SEC source: 0001466593-25-000062 · wk-form4_1744660790.xml · nonDerivative · entry 1

LeBeau Michael E · CIK 0001901903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,800

F1 · kind: Shares of Common Stock acquired under the 2023 Stock Incentive Plan, which is a grant of Restricted Stock. The shares granted on April 13, 2025 will vest in near-equal installments of one-third per year beginning April 8, 2026.

F2 · price: This grant has a fair market value of $77.59.

F3 · balance_after: Total direct holdings include shares acquired individually pursuant to Restricted Stock Award distributions and shares received pursuant to Otter Tail Corporation's Compensation Plan for Outside Directors.

Read SEC document
April 13, 2025 Filed Apr 14, 2025 19:52 UTC GrantCommon Stock 1,700 Not disclosed Not disclosed
Disclosure

SEC source: 0001466593-25-000060 · wk-form4_1744660323.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,429

F1 · kind: Shares of Common Stock acquired under the 2023 Stock Incentive Plan, which is a grant of Restricted Stock. The shares granted on April 13, 2025 will vest in near-equal installments of one-third per year beginning April 8, 2026.

F2 · price: This grant has a fair market value of $77.59.

F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions.

Read SEC document
April 08, 2025 Filed Apr 9, 2025 17:51 UTC
Wahlund Todd RChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 600 $0.00 $0.00
Disclosure

SEC source: 0001466593-25-000056 · wk-form4_1744221075.xml · derivative · entry 5

Wahlund Todd R · CIK 0002002077 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 600 shares

Expires 2025-04-08

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

Read SEC document
April 08, 2025 Filed Apr 9, 2025 17:51 UTC
Wahlund Todd RChief Financial Officer
Tax withholdingCommon Stock 308 $75.39 $23,220.12
Disclosure

SEC source: 0001466593-25-000056 · wk-form4_1744221075.xml · nonDerivative · entry 2

Wahlund Todd R · CIK 0002002077 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,038

F2 · balance_after: 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.

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April 08, 2025 Filed Apr 9, 2025 17:51 UTC
Wahlund Todd RChief Financial Officer
Exercise / conversionCommon Stock 600 $75.39 $45,234.00
Disclosure

SEC source: 0001466593-25-000056 · wk-form4_1744221075.xml · nonDerivative · entry 1

Wahlund Todd R · CIK 0002002077 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,346

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The reporting person receives one share of Common Stock for each restricted stock unit that vests.

F2 · balance_after: 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.

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February 12, 2025 Filed Feb 13, 2025 17:02 UTC
Abbott John SSr VP, Manufacturing Platform
Tax withholdingCommon Stock 3,798 $79.62 $302,377.77
Disclosure

SEC source: 0001466593-25-000019 · wk-form4_1739484147.xml · nonDerivative · entry 2

Abbott John S · CIK 0001639060 · Sr VP, Manufacturing Platform

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,843

F2 · shares: These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

F3 · balance_after: Total direct holdings include shares acquired individually pursuant to Restricted Stock Awards and Performance Shares Awards.

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February 12, 2025 Filed Feb 13, 2025 17:02 UTC
Abbott John SSr VP, Manufacturing Platform
GrantCommon Stock 7,560 $79.62 $601,889.40
Disclosure

SEC source: 0001466593-25-000019 · wk-form4_1739484147.xml · nonDerivative · entry 1

Abbott John S · CIK 0001639060 · Sr VP, Manufacturing Platform

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,641

F1 · shares: Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2022).

Read SEC document
February 12, 2025 Filed Feb 13, 2025 22:07 UTC
ROGELSTAD TIMOTHY JSr VP, Electric Platform
Tax withholdingCommon Stock 3,801 $79.62 $302,616.62
Disclosure

SEC source: 0001466593-25-000021 · wk-form4_1739484429.xml · nonDerivative · entry 2

ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,998

F2 · shares: These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

F3 · balance_after: 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.

Read SEC document
February 12, 2025 Filed Feb 13, 2025 22:07 UTC
ROGELSTAD TIMOTHY JSr VP, Electric Platform
GrantCommon Stock 7,560 $79.62 $601,889.40
Disclosure

SEC source: 0001466593-25-000021 · wk-form4_1739484429.xml · nonDerivative · entry 1

ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,799

F1 · shares: Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2022).

Read SEC document
February 12, 2025 Filed Feb 13, 2025 22:10 UTC
MACFARLANE CHARLES SPresident & CEO
Tax withholdingCommon Stock 20,435 $79.62 $1,626,932.53
Disclosure

SEC source: 0001466593-25-000023 · wk-form4_1739484651.xml · nonDerivative · entry 2

MACFARLANE CHARLES S · CIK 0001278053 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 221,495

F2 · shares: These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

F3 · balance_after: Total direct holdings include shares acquired through the Dividend Reinvestment Plan, the Employee Stock Purchase Plan and shares acquired pursuant to Stock Options, Restricted Stock Awards, Restricted Stock Units and Performance Share Awards.

Read SEC document
February 12, 2025 Filed Feb 13, 2025 22:10 UTC
MACFARLANE CHARLES SPresident & CEO
GrantCommon Stock 41,440 $79.62 $3,299,245.60
Disclosure

SEC source: 0001466593-25-000023 · wk-form4_1739484651.xml · nonDerivative · entry 1

MACFARLANE CHARLES S · CIK 0001278053 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241,930

F1 · shares: Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2022).

Read SEC document
February 12, 2025 Filed Feb 13, 2025 21:58 UTC
KNUTSON PAUL LVP, Human Resources
Tax withholdingCommon Stock 1,390 $79.62 $110,664.85
Disclosure

SEC source: 0001466593-25-000017 · wk-form4_1739483920.xml · nonDerivative · entry 2

KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,530

F2 · shares: These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

F3 · balance_after: 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.

Read SEC document
February 12, 2025 Filed Feb 13, 2025 21:58 UTC
KNUTSON PAUL LVP, Human Resources
GrantCommon Stock 3,080 $79.62 $245,214.20
Disclosure

SEC source: 0001466593-25-000017 · wk-form4_1739483920.xml · nonDerivative · entry 1

KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,920

F1 · shares: Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2022).

Read SEC document
February 12, 2025 Filed Feb 13, 2025 21:55 UTC
Smestad Jennifer O.VP, General Council & Corp Sec
Tax withholdingCommon Stock 2,633 $79.62 $209,626.30
Disclosure

SEC source: 0001466593-25-000015 · wk-form4_1739483698.xml · nonDerivative · entry 2

Smestad Jennifer O. · CIK 0001726153 · VP, General Council & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,556

F2 · shares: These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

F3 · balance_after: 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.

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February 12, 2025 Filed Feb 13, 2025 21:55 UTC
Smestad Jennifer O.VP, General Council & Corp Sec
GrantCommon Stock 5,320 $79.62 $423,551.80
Disclosure

SEC source: 0001466593-25-000015 · wk-form4_1739483698.xml · nonDerivative · entry 1

Smestad Jennifer O. · CIK 0001726153 · VP, General Council & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,189

F1 · shares: Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2022).

Read SEC document
February 11, 2025 Filed Feb 13, 2025 16:24 UTC
Wahlund Todd RChief Financial Officer
GrantRestricted Stock Units · Derivative 1,500 $0.00 $0.00
Disclosure

SEC source: 0001466593-25-000014 · wk-form4_1739463877.xml · derivative · entry 4

Wahlund Todd R · CIK 0002002077 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,500

Underlying: Common Stock · 1,500 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F3 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F3 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 11, 2025 Filed Feb 13, 2025 17:02 UTC
Abbott John SSr VP, Manufacturing Platform
GrantRestricted Stock Units · Derivative 1,700 $0.00 $0.00
Disclosure

SEC source: 0001466593-25-000019 · wk-form4_1739484147.xml · derivative · entry 4

Abbott John S · CIK 0001639060 · Sr VP, Manufacturing Platform

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,700

Underlying: Common Stock · 1,700 shares

Expires not disclosed

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F5 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F5 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 11, 2025 Filed Feb 13, 2025 22:07 UTC
ROGELSTAD TIMOTHY JSr VP, Electric Platform
GrantRestricted Stock Units · Derivative 1,700 $0.00 $0.00
Disclosure

SEC source: 0001466593-25-000021 · wk-form4_1739484429.xml · derivative · entry 4

ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,700

Underlying: Common Stock · 1,700 shares

Expires not disclosed

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F5 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F5 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 11, 2025 Filed Feb 13, 2025 22:10 UTC
MACFARLANE CHARLES SPresident & CEO
GrantRestricted Stock Units · Derivative 9,900 $0.00 $0.00
Disclosure

SEC source: 0001466593-25-000023 · wk-form4_1739484651.xml · derivative · entry 5

MACFARLANE CHARLES S · CIK 0001278053 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,900

Underlying: Common Stock · 9,900 shares

Expires not disclosed

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F5 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F5 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 11, 2025 Filed Feb 13, 2025 21:58 UTC
KNUTSON PAUL LVP, Human Resources
GrantRestricted Stock Units · Derivative 700 $0.00 $0.00
Disclosure

SEC source: 0001466593-25-000017 · wk-form4_1739483920.xml · derivative · entry 3

KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 700

Underlying: Common Stock · 700 shares

Expires not disclosed

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F5 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F5 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 11, 2025 Filed Feb 13, 2025 21:55 UTC
Smestad Jennifer O.VP, General Council & Corp Sec
GrantRestricted Stock Units · Derivative 1,200 $0.00 $0.00
Disclosure

SEC source: 0001466593-25-000015 · wk-form4_1739483698.xml · derivative · entry 5

Smestad Jennifer O. · CIK 0001726153 · VP, General Council & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,200

Underlying: Common Stock · 1,200 shares

Expires not disclosed

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F5 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F5 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document
February 06, 2025 Filed Feb 7, 2025 19:55 UTC
Wahlund Todd RChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 300 $0.00 $0.00
Disclosure

SEC source: 0001466593-25-000012 · wk-form4_1738958130.xml · derivative · entry 5

Wahlund Todd R · CIK 0002002077 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 900

Underlying: Common Stock · 900 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.

F4 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

F4 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning the date shown above.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.