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person · Reporting owner

Ludford Mary E

Disclosed activity across 2 companies

Tapewire entity
25330
SEC CIK
0001959466

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Northwest Natural Holding CoNWN · Entity 2245DirectorAugust 06, 2026August 07, 2026
Otter Tail CorpOTTR · Entity 4087DirectorApril 13, 2026April 14, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Northwest Natural Holding Co

Report date August 06, 2026 · Filed August 07, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote4,923.61 Reported balance After 2026-08-06 transaction · row 1 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 1 · 2026-08-06 · Other · Acquired 507.021 · Balance 4,923.61

F1: The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024.

F2: Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

Filing footnotes · ownership attribution and instrument terms

F1: The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024.

F2: Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

Otter Tail Corp

Report date April 13, 2026 · Filed April 14, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect7,071 Reported balance After 2026-04-13 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-04-13 · Grant · Acquired 1,500 · Balance 7,071

F1: 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: This grant has a fair market value of $91.15.

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

Filing footnotes · ownership attribution and instrument terms

F1: 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: This grant has a fair market value of $91.15.

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

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 06, 2026 Filed Aug 7, 2026 22:50 UTC Northwest Natural Holding Co NWN · Entity 2245 OtherCommon Stock 507.021 $50.77 $25,741.46
Disclosure

SEC source: 0001733998-26-000129 · form4.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 4,923.61

F1 · kind: The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024.

F2 · ownership.nature: Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

Read SEC document
May 07, 2026 Filed May 11, 2026 23:02 UTC Northwest Natural Holding Co NWN · Entity 2245 OtherCommon Stock 512.847 $50.19 $25,739.79
Disclosure

SEC source: 0001733998-26-000095 · form4.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 4,377.282

F1 · kind: The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024.

F2 · ownership.nature: Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

Read SEC document
April 13, 2026 Filed Apr 14, 2026 18:32 UTC Otter Tail Corp OTTR · Entity 4087 GrantCommon Stock 1,500 Not disclosed Not disclosed
Disclosure

SEC 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
March 02, 2026 Filed Mar 4, 2026 22:30 UTC Northwest Natural Holding Co NWN · Entity 2245 OtherCommon Stock 491.222 $52.59 $25,833.36
Disclosure

SEC source: 0001733998-26-000048 · form4.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 3,864.435

F1 · kind: The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024.

F2 · ownership.nature: Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

Read SEC document
November 06, 2025 Filed Nov 10, 2025 21:55 UTC Northwest Natural Holding Co NWN · Entity 2245 OtherCommon Stock 553.914 $46.59 $25,806.85
Disclosure

SEC source: 0001733998-25-000183 · form4.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 3,312.224

F1 · kind: The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024.

F2 · ownership.nature: Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

Read SEC document
August 06, 2025 Filed Aug 7, 2025 21:18 UTC Northwest Natural Holding Co NWN · Entity 2245 OtherCommon Stock 648.137 $39.72 $25,744.00
Disclosure

SEC source: 0001733998-25-000136 · form4.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,733.122

F1 · kind: The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024.

F2 · ownership.nature: Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

Read SEC document
May 07, 2025 Filed May 9, 2025 20:49 UTC Northwest Natural Holding Co NWN · Entity 2245 OtherCommon Stock 585.684 $43.95 $25,740.81
Disclosure

SEC source: 0001733998-25-000099 · form4.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,067.162

F1 · kind: The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024.

F2 · ownership.nature: Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

Read SEC document
April 13, 2025 Filed Apr 14, 2025 19:52 UTC Otter Tail Corp OTTR · Entity 4087 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
March 03, 2025 Filed Mar 4, 2025 23:02 UTC Northwest Natural Holding Co NWN · Entity 2245 OtherCommon Stock 609.7 $42.37 $25,832.99
Disclosure

SEC source: 0001733998-25-000050 · form4.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,481.479

F1 · kind: The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024.

F2 · ownership.nature: Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

Read SEC document
November 20, 2024 Filed Nov 22, 2024 21:19 UTC Northwest Natural Holding Co NWN · Entity 2245 OtherCommon Stock 861.393 $42.12 $36,281.87
Disclosure

SEC source: 0001733998-24-000132 · form4.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 861.393

F1 · kind: The reporting transaction was effected pursuant to a written election under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives made on or about September 13, 2024.

F2 · ownership.nature: Shares have been credited to reporting person's account under Northwest Natural Gas Company's Deferred Compensation Plan for Directors and Executives.

Read SEC document
April 08, 2024 Filed Apr 9, 2024 15:46 UTC Otter Tail Corp OTTR · Entity 4087 GrantCommon Stock 1,700 Not disclosed Not disclosed
Disclosure

SEC source: 0001466593-24-000067 · wk-form4_1712677588.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,643

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 8, 2024 will vest in near-equal installments of one-third per year beginning April 8, 2025.

F2 · price: This grant has a fair market value of $87.02.

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

Read SEC document
April 17, 2023 Filed Apr 19, 2023 16:56 UTC Otter Tail Corp OTTR · Entity 4087 GrantCommon Stock 1,900 Not disclosed Not disclosed
Disclosure

SEC source: 0001466593-23-000113 · wf-form4_168192334871662.xml · nonDerivative · entry 1

Ludford Mary E · CIK 0001959466 · 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 17, 2023 will vest in near-equal installments of one-third per year beginning April 8, 2024.

F2 · price: This grant has a fair market value of $73.3525.

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

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.