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
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 3 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
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 date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| August 11, 2026 Filed Aug 12, 2026 15:24 UTC |
KNUTSON PAUL LVP, Human Resources
|
SaleCommon Stock | 475 | $94.63 | $44,949.25 |
DisclosureSEC source: 0001559334-26-000010 · wk-form4_1786548257.xml · nonDerivative · entry 3 KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources 10b5-1 filing: No plan indicated Ownership: Indirect · By daughter Disclosed balance after: 0 F3 · price: The shares were sold in a single transaction at a price of $94.63 per share. Read SEC document |
| August 10, 2026 Filed Aug 12, 2026 15:24 UTC |
KNUTSON PAUL LVP, Human Resources
|
SaleCommon Stock | 250 | $92.84 | $23,210.00 |
DisclosureSEC source: 0001559334-26-000010 · wk-form4_1786548257.xml · nonDerivative · entry 2 KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources 10b5-1 filing: No plan indicated Ownership: Indirect · By son Disclosed balance after: 0 F2 · price: The shares were sold in a single transaction at a price of $92.84 per share. Read SEC document |
| August 07, 2026 Filed Aug 11, 2026 17:32 UTC |
KNUTSON PAUL LVP, Human Resources
|
GiftCommon Stock | 250 | $0.00 | $0.00 |
DisclosureSEC source: 0001559334-26-000006 · wk-form4_1786469517.xml · nonDerivative · entry 4 KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources 10b5-1 filing: No plan indicated Ownership: Indirect · By son Disclosed balance after: 250 F3 · kind: This transaction involved the reporting person's gift of 475 shares of common stock to his daughter and 250 shares of common stock to his son. Read SEC document |
| August 07, 2026 Filed Aug 11, 2026 17:32 UTC |
KNUTSON PAUL LVP, Human Resources
|
GiftCommon Stock | 475 | $0.00 | $0.00 |
DisclosureSEC source: 0001559334-26-000006 · wk-form4_1786469517.xml · nonDerivative · entry 3 KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources 10b5-1 filing: No plan indicated Ownership: Indirect · By daughter Disclosed balance after: 475 F3 · kind: This transaction involved the reporting person's gift of 475 shares of common stock to his daughter and 250 shares of common stock to his son. Read SEC document |
| August 07, 2026 Filed Aug 11, 2026 17:32 UTC |
KNUTSON PAUL LVP, Human Resources
|
GiftCommon Stock | 725 | $0.00 | $0.00 |
DisclosureSEC source: 0001559334-26-000006 · wk-form4_1786469517.xml · nonDerivative · entry 2 KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,770 F3 · kind: This transaction involved the reporting person's gift of 475 shares of common stock to his daughter and 250 shares of common stock to his son. F2 · 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 |
| August 07, 2026 Filed Aug 11, 2026 17:32 UTC |
KNUTSON PAUL LVP, Human Resources
|
SaleCommon Stock | 3,500 | $93.11 | $325,885.00 |
DisclosureSEC source: 0001559334-26-000006 · wk-form4_1786469517.xml · nonDerivative · entry 1 KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,495 F1 · price: $93.11 is the weighted average sales price of the shares sold. These shares were sold in multiple transactions at prices ranging from $92.74 to $93.32 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F2 · 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 |
| April 13, 2026 Filed Apr 14, 2026 17:47 UTC |
WEBB THOMAS JDirector
|
GrantCommon Stock | 1,500 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001179875-26-000002 · wk-form4_1776188822.xml · nonDerivative · entry 1 WEBB THOMAS J · CIK 0001179875 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 17,600 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, 2026 will vest in near-equal installments of one-third per year beginning April 8, 2027. F2 · price: This grant has a fair market value of $91.15. F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions. Read SEC document |
| April 13, 2026 Filed Apr 14, 2026 17:51 UTC |
Crain Jeanne HDirector
|
GrantCommon Stock | 1,500 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001959390-26-000002 · wk-form4_1776189106.xml · nonDerivative · entry 1 Crain Jeanne H · CIK 0001959390 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,071 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, 2026 will vest in near-equal installments of one-third per year beginning April 8, 2027. F2 · price: This grant has a fair market value of $91.15. F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions. Read SEC document |
| April 13, 2026 Filed Apr 14, 2026 15:12 UTC |
PARTAIN NATHAN IDirector
|
GrantCommon Stock | 2,000 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001180965-26-000002 · wk-form4_1776179576.xml · nonDerivative · entry 1 PARTAIN NATHAN I · CIK 0001180965 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,969 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, 2026 will vest in near-equal installments of one-third per year beginning April 8, 2027. F2 · price: This grant has a fair market value of $91.15. 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, 2026 Filed Apr 14, 2026 18:39 UTC |
Johnson Kathryn ODirector
|
GrantCommon Stock | 1,500 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001574100-26-000002 · wk-form4_1776191977.xml · nonDerivative · entry 1 Johnson Kathryn O · CIK 0001574100 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 29,453 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, 2026 will vest in near-equal installments of one-third per year beginning April 8, 2027. F2 · price: This grant has a fair market value of $91.15. F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions. Read SEC document |
| April 13, 2026 Filed Apr 14, 2026 18:32 UTC |
Ludford Mary EDirector
|
GrantCommon Stock | 1,500 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001959466-26-000002 · wk-form4_1776191558.xml · nonDerivative · entry 1 Ludford Mary E · CIK 0001959466 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,071 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, 2026 will vest in near-equal installments of one-third per year beginning April 8, 2027. F2 · price: This grant has a fair market value of $91.15. F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions. Read SEC document |
| April 13, 2026 Filed Apr 14, 2026 18:02 UTC |
ERICKSON JOHN DDirector
|
GrantCommon Stock | 1,500 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001191483-26-000002 · wk-form4_1776189736.xml · nonDerivative · entry 1 ERICKSON JOHN D · CIK 0001191483 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,133 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, 2026 will vest in near-equal installments of one-third per year beginning April 8, 2027. F2 · price: This grant has a fair market value of $91.15. F3 · ownership.direct: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions. Read SEC document |
| April 13, 2026 Filed Apr 14, 2026 17:42 UTC |
Rasche Steven PDirector
|
GrantCommon Stock | 1,900 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001297719-26-000005 · wk-form4_1776188557.xml · nonDerivative · entry 1 Rasche Steven P · CIK 0001297719 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,000 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, 2026 will vest in near-equal installments of one-third per year beginning April 8, 2027. F2 · price: This grant has a fair market value of $91.15. F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions. Read SEC document |
| April 13, 2026 Filed Apr 14, 2026 15:28 UTC |
Clark Christopher BDirector
|
GrantCommon Stock | 1,900 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001629899-26-000005 · wk-form4_1776180480.xml · nonDerivative · entry 1 Clark Christopher B · CIK 0001629899 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,900 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, 2026 will vest in near-equal installments of one-third per year beginning April 8, 2027. F2 · price: This grant has a fair market value of $91.15. F3 · balance_after: Total direct holdings include shares acquired individually and pursuant to Restricted Stock Award distributions. Read SEC document |
| April 13, 2026 Filed Apr 14, 2026 15:22 UTC |
LeBeau Michael EDirector
|
GrantCommon Stock | 1,500 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001901903-26-000002 · wk-form4_1776180176.xml · nonDerivative · entry 1 LeBeau Michael E · CIK 0001901903 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,300 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, 2026 will vest in near-equal installments of one-third per year beginning April 8, 2027. F2 · price: This grant has a fair market value of $91.15. 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, 2026 Filed Apr 15, 2026 15:50 UTC |
Wahlund Todd RSenior Vice President
|
GrantRestricted Stock Units · Derivative | 300 | $0.00 | $0.00 |
DisclosureSEC source: 0002002077-26-000009 · wk-form4_1776268218.xml · derivative · entry 4 Wahlund Todd R · CIK 0002002077 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 300 Underlying: Common Stock · 300 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 |
| April 13, 2026 Filed Apr 15, 2026 15:43 UTC |
ROGELSTAD TIMOTHY JPresident
|
GrantRestricted Stock Units · Derivative | 1,400 | $0.00 | $0.00 |
DisclosureSEC source: 0001605621-26-000007 · wk-form4_1776267799.xml · derivative · entry 3 ROGELSTAD TIMOTHY J · CIK 0001605621 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,400 Underlying: Common Stock · 1,400 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive a cash payment equal to the fair market value of one share of Otter Tail Corporation common stock upon vesting. 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 |
| April 13, 2026 Filed Apr 15, 2026 15:34 UTC |
Smestad Jennifer O.SVP General Counsel & Corp Sec
|
GrantRestricted Stock Units · Derivative | 5,800 | $0.00 | $0.00 |
DisclosureSEC source: 0001726153-26-000007 · wk-form4_1776267260.xml · derivative · entry 3 Smestad Jennifer O. · CIK 0001726153 · SVP General Counsel & Corp Sec 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,800 Underlying: Common Stock · 5,800 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 on April 8, 2031. F3 · derivative.expiration_date: The restricted stock units vest on April 8, 2031. Read SEC document |
| April 13, 2026 Filed Apr 15, 2026 15:19 UTC |
Nelson Tyler JVP, Chief Financial Officer
|
GrantRestricted Stock Units · Derivative | 800 | $0.00 | $0.00 |
DisclosureSEC source: 0002129002-26-000004 · wk-form4_1776266374.xml · derivative · entry 2 Nelson Tyler J · CIK 0002129002 · VP, Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 800 Underlying: Common Stock · 800 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 |
| April 08, 2026 Filed Apr 9, 2026 19:53 UTC |
Wahlund Todd RChief Financial Officer
|
Exercise / conversionRestricted Stock Units · Derivative | 460 | $0.00 | $0.00 |
DisclosureSEC source: 0002002077-26-000007 · wk-form4_1775764402.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 · 460 shares Expires 2026-04-08 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, 2026 Filed Apr 9, 2026 19:53 UTC |
Wahlund Todd RChief Financial Officer
|
Tax withholdingCommon Stock | 186 | $90.11 | $16,760.46 |
DisclosureSEC source: 0002002077-26-000007 · wk-form4_1775764402.xml · nonDerivative · entry 2 Wahlund Todd R · CIK 0002002077 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,347 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. Read SEC document |
| April 08, 2026 Filed Apr 9, 2026 19:53 UTC |
Wahlund Todd RChief Financial Officer
|
Exercise / conversionCommon Stock | 460 | $90.11 | $41,450.60 |
DisclosureSEC source: 0002002077-26-000007 · wk-form4_1775764402.xml · nonDerivative · entry 1 Wahlund Todd R · CIK 0002002077 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,533 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. Read SEC document |
| February 11, 2026 Filed Feb 12, 2026 10:21 UTC |
Abbott John SSr VP, Manufacturing Platform
|
Tax withholdingCommon Stock | 4,209 | $86.43 | $363,783.87 |
DisclosureSEC source: 0001639060-26-000006 · wk-form4_1770909664.xml · nonDerivative · entry 2 Abbott John S · CIK 0001639060 · Sr VP, Manufacturing Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 50,896 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. Read SEC document |
| February 11, 2026 Filed Feb 12, 2026 10:21 UTC |
Abbott John SSr VP, Manufacturing Platform
|
GrantCommon Stock | 8,400 | $86.43 | $726,012.00 |
DisclosureSEC source: 0001639060-26-000006 · wk-form4_1770909664.xml · nonDerivative · entry 1 Abbott John S · CIK 0001639060 · Sr VP, Manufacturing Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 55,105 F1 · shares: Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2023). Read SEC document |
| February 11, 2026 Filed Feb 12, 2026 15:11 UTC |
ROGELSTAD TIMOTHY JSr VP, Electric Platform
|
Tax withholdingCommon Stock | 4,212 | $86.43 | $364,043.16 |
DisclosureSEC source: 0001605621-26-000005 · wk-form4_1770909072.xml · nonDerivative · entry 2 ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 61,080 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 11, 2026 Filed Feb 12, 2026 15:11 UTC |
ROGELSTAD TIMOTHY JSr VP, Electric Platform
|
GrantCommon Stock | 8,400 | $86.43 | $726,012.00 |
DisclosureSEC source: 0001605621-26-000005 · wk-form4_1770909072.xml · nonDerivative · entry 1 ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 65,292 F1 · shares: Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2023). Read SEC document |
| February 11, 2026 Filed Feb 12, 2026 14:53 UTC |
MACFARLANE CHARLES SPresident & CEO
|
Tax withholdingCommon Stock | 23,515 | $86.43 | $2,032,401.45 |
DisclosureSEC source: 0001278053-26-000005 · wk-form4_1770908014.xml · nonDerivative · entry 2 MACFARLANE CHARLES S · CIK 0001278053 · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 251,597 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 11, 2026 Filed Feb 12, 2026 14:53 UTC |
MACFARLANE CHARLES SPresident & CEO
|
GrantCommon Stock | 47,700 | $86.43 | $4,122,711.00 |
DisclosureSEC source: 0001278053-26-000005 · wk-form4_1770908014.xml · nonDerivative · entry 1 MACFARLANE CHARLES S · CIK 0001278053 · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 275,112 F1 · shares: Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2023). Read SEC document |
| February 11, 2026 Filed Feb 12, 2026 14:42 UTC |
KNUTSON PAUL LVP, Human Resources
|
Tax withholdingCommon Stock | 1,592 | $86.43 | $137,596.56 |
DisclosureSEC source: 0001559334-26-000004 · wk-form4_1770907337.xml · nonDerivative · entry 2 KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,983 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 11, 2026 Filed Feb 12, 2026 14:42 UTC |
KNUTSON PAUL LVP, Human Resources
|
GrantCommon Stock | 3,600 | $86.43 | $311,148.00 |
DisclosureSEC source: 0001559334-26-000004 · wk-form4_1770907337.xml · nonDerivative · entry 1 KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 26,575 F1 · shares: Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2023). Read SEC document |
| February 11, 2026 Filed Feb 12, 2026 14:26 UTC |
Smestad Jennifer O.VP, General Council & Corp Sec
|
Tax withholdingCommon Stock | 3,031 | $86.43 | $261,969.33 |
DisclosureSEC source: 0001726153-26-000005 · wk-form4_1770906378.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: 19,137 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 11, 2026 Filed Feb 12, 2026 14:26 UTC |
Smestad Jennifer O.VP, General Council & Corp Sec
|
GrantCommon Stock | 6,000 | $86.43 | $518,580.00 |
DisclosureSEC source: 0001726153-26-000005 · wk-form4_1770906378.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: 22,168 F1 · shares: Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2023). Read SEC document |
| February 10, 2026 Filed Feb 12, 2026 12:15 UTC |
Wahlund Todd RChief Financial Officer
|
GrantRestricted Stock Units · Derivative | 1,400 | $0.00 | $0.00 |
DisclosureSEC source: 0002002077-26-000005 · wk-form4_1770898513.xml · derivative · entry 4 Wahlund Todd R · CIK 0002002077 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,400 Underlying: Common Stock · 1,400 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 10, 2026 Filed Feb 12, 2026 10:21 UTC |
Abbott John SSr VP, Manufacturing Platform
|
GrantRestricted Stock Units · Derivative | 1,600 | $0.00 | $0.00 |
DisclosureSEC source: 0001639060-26-000006 · wk-form4_1770909664.xml · derivative · entry 4 Abbott John S · CIK 0001639060 · Sr VP, Manufacturing Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,600 Underlying: Common Stock · 1,600 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 10, 2026 Filed Feb 12, 2026 15:11 UTC |
ROGELSTAD TIMOTHY JSr VP, Electric Platform
|
GrantRestricted Stock Units · Derivative | 1,600 | $0.00 | $0.00 |
DisclosureSEC source: 0001605621-26-000005 · wk-form4_1770909072.xml · derivative · entry 4 ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,600 Underlying: Common Stock · 1,600 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 10, 2026 Filed Feb 12, 2026 14:53 UTC |
MACFARLANE CHARLES SPresident & CEO
|
GrantRestricted Stock Units · Derivative | 9,400 | $0.00 | $0.00 |
DisclosureSEC source: 0001278053-26-000005 · wk-form4_1770908014.xml · derivative · entry 5 MACFARLANE CHARLES S · CIK 0001278053 · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,400 Underlying: Common Stock · 9,400 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 10, 2026 Filed Feb 12, 2026 14:42 UTC |
KNUTSON PAUL LVP, Human Resources
|
GrantRestricted Stock Units · Derivative | 800 | $0.00 | $0.00 |
DisclosureSEC source: 0001559334-26-000004 · wk-form4_1770907337.xml · derivative · entry 3 KNUTSON PAUL L · CIK 0001559334 · VP, Human Resources 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 800 Underlying: Common Stock · 800 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 10, 2026 Filed Feb 12, 2026 14:26 UTC |
Smestad Jennifer O.VP, General Council & Corp Sec
|
GrantRestricted Stock Units · Derivative | 1,100 | $0.00 | $0.00 |
DisclosureSEC source: 0001726153-26-000005 · wk-form4_1770906378.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: 1,100 Underlying: Common Stock · 1,100 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, 2026 Filed Feb 9, 2026 22:37 UTC |
Wahlund Todd RChief Financial Officer
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Exercise / conversionRestricted Stock Units · Derivative | 375 | $0.00 | $0.00 |
DisclosureSEC source: 0002002077-26-000002 · wk-form4_1770676624.xml · derivative · entry 6 Wahlund Todd R · CIK 0002002077 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,125 Underlying: Common Stock · 1,125 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 22:37 UTC |
Wahlund Todd RChief Financial Officer
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Exercise / conversionRestricted Stock Units · Derivative | 300 | $0.00 | $0.00 |
DisclosureSEC source: 0002002077-26-000002 · wk-form4_1770676624.xml · derivative · entry 5 Wahlund Todd R · CIK 0002002077 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 600 Underlying: Common Stock · 600 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 22:37 UTC |
Wahlund Todd RChief Financial Officer
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Tax withholdingCommon Stock | 119 | $87.83 | $10,451.77 |
DisclosureSEC source: 0002002077-26-000002 · wk-form4_1770676624.xml · nonDerivative · entry 2 Wahlund Todd R · CIK 0002002077 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,029 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 restricted stock unit distributions. Read SEC document |
| February 06, 2026 Filed Feb 9, 2026 22:37 UTC |
Wahlund Todd RChief Financial Officer
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Exercise / conversionCommon Stock | 675 | Not disclosed | Not disclosed |
DisclosureSEC source: 0002002077-26-000002 · wk-form4_1770676624.xml · nonDerivative · entry 1 Wahlund Todd R · CIK 0002002077 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,148 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 16:52 UTC |
Abbott John SSr VP, Manufacturing Platform
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Exercise / conversionRestricted Stock Units · Derivative | 425 | $0.00 | $0.00 |
DisclosureSEC source: 0001639060-26-000002 · wk-form4_1770673973.xml · derivative · entry 7 Abbott John S · CIK 0001639060 · Sr VP, Manufacturing Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,275 Underlying: Common Stock · 1,275 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 16:52 UTC |
Abbott John SSr VP, Manufacturing Platform
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Exercise / conversionRestricted Stock Units · Derivative | 350 | $0.00 | $0.00 |
DisclosureSEC source: 0001639060-26-000002 · wk-form4_1770673973.xml · derivative · entry 6 Abbott John S · CIK 0001639060 · Sr VP, Manufacturing Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 700 Underlying: Common Stock · 700 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 16:52 UTC |
Abbott John SSr VP, Manufacturing Platform
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Exercise / conversionRestricted Stock Units · Derivative | 450 | $0.00 | $0.00 |
DisclosureSEC source: 0001639060-26-000002 · wk-form4_1770673973.xml · derivative · entry 5 Abbott John S · CIK 0001639060 · Sr VP, Manufacturing 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 16:52 UTC |
Abbott John SSr VP, Manufacturing Platform
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Exercise / conversionRestricted Stock Units · Derivative | 400 | $0.00 | $0.00 |
DisclosureSEC source: 0001639060-26-000002 · wk-form4_1770673973.xml · derivative · entry 4 Abbott John S · CIK 0001639060 · Sr VP, Manufacturing 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 16:52 UTC |
Abbott John SSr VP, Manufacturing Platform
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Tax withholdingCommon Stock | 763 | $87.83 | $67,014.29 |
DisclosureSEC source: 0001639060-26-000002 · wk-form4_1770673973.xml · nonDerivative · entry 2 Abbott John S · CIK 0001639060 · Sr VP, Manufacturing Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 46,705 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. Read SEC document |
| February 06, 2026 Filed Feb 9, 2026 16:52 UTC |
Abbott John SSr VP, Manufacturing Platform
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Exercise / conversionCommon Stock | 1,625 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001639060-26-000002 · wk-form4_1770673973.xml · nonDerivative · entry 1 Abbott John S · CIK 0001639060 · Sr VP, Manufacturing Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 47,468 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 22:17 UTC |
ROGELSTAD TIMOTHY JSr VP, Electric Platform
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Exercise / conversionRestricted Stock Units · Derivative | 425 | $0.00 | $0.00 |
DisclosureSEC source: 0001605621-26-000002 · wk-form4_1770675465.xml · derivative · entry 7 ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,275 Underlying: Common Stock · 1,275 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
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Exercise / conversionRestricted Stock Units · Derivative | 350 | $0.00 | $0.00 |
DisclosureSEC source: 0001605621-26-000002 · wk-form4_1770675465.xml · derivative · entry 6 ROGELSTAD TIMOTHY J · CIK 0001605621 · Sr VP, Electric Platform 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 700 Underlying: Common Stock · 700 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.