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Arntzen Christopher J

Disclosed activity across 1 company

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26748
SEC CIK
0002044745

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Cable One, Inc.CABO · Entity 565Chief Legal Officer, SecretaryAugust 01, 2026August 04, 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.

Cable One, Inc.

Report date August 01, 2026 · Filed August 04, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common Stock, par value $0.01SEC Table I · non-derivativeDirect1,843 Reported balance After 2026-08-01 transaction · row 1
1 source row

Row 1 · 2026-08-01 · Tax withholding · Disposed 40 · Balance 1,843

F1: Represents the withholding of shares of Common Stock to satisfy the tax withholding liability associated with the vesting of an award of restricted stock units, which was granted on August 1, 2024 and that generally vests in two equal installments on each of the first two anniversaries of the grant date, subject to the Reporting Person's continued employment through each such date.

Phantom RSUsSEC Table II · derivative / convertible securityDirect14,994 Reported balance After 2026-08-01 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-08-01 · Grant · Acquired 10,002 · Balance 14,994

F2: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F3: Represents a grant of 10,002 Phantom RSUs on August 1, 2026, which generally vest in substantially equal installments on (i) January 3, 2027; (ii) January 3, 2028; and (iii) January 3, 2029, subject to the Reporting Person's continued employment through the applicable vesting date.

Phantom PSUsSEC Table II · derivative / convertible securityDirect22,491 Reported balance After 2026-08-01 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-08-01 · Grant · Acquired 15,003 · Balance 22,491

F2: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F4: Represents a grant of 15,003 Phantom PSUs on August 1, 2026, that vest based on target achievement of applicable performance goals over the three-year performance period commencing January 1, 2026 and ending December 31, 2028, subject to certification of performance achievement by the Compensation and Talent Management Committee of Cable One, Inc. and the Reporting Persons continued employment through the date of such certification.

Filing footnotes · ownership attribution and instrument terms

F1: Represents the withholding of shares of Common Stock to satisfy the tax withholding liability associated with the vesting of an award of restricted stock units, which was granted on August 1, 2024 and that generally vests in two equal installments on each of the first two anniversaries of the grant date, subject to the Reporting Person's continued employment through each such date.

F2: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F3: Represents a grant of 10,002 Phantom RSUs on August 1, 2026, which generally vest in substantially equal installments on (i) January 3, 2027; (ii) January 3, 2028; and (iii) January 3, 2029, subject to the Reporting Person's continued employment through the applicable vesting date.

F4: Represents a grant of 15,003 Phantom PSUs on August 1, 2026, that vest based on target achievement of applicable performance goals over the three-year performance period commencing January 1, 2026 and ending December 31, 2028, subject to certification of performance achievement by the Compensation and Talent Management Committee of Cable One, Inc. and the Reporting Persons continued employment through the date of such certification.

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.”

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Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 01, 2026 Filed Aug 4, 2026 20:52 UTC Cable One, Inc. CABO · Entity 565 GrantPhantom PSUs · Derivative 15,003 $0.00 $0.00
Disclosure

SEC source: 0002044745-26-000004 · wk-form4_1785876745.xml · derivative · entry 3

Arntzen Christopher J · CIK 0002044745 · Chief Legal Officer, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,491

Underlying: Common Stock, par value $0.01 · 15,003 shares

Expires not disclosed

F2 · derivative.exercise_price: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F4 · derivative.exercise_price: Represents a grant of 15,003 Phantom PSUs on August 1, 2026, that vest based on target achievement of applicable performance goals over the three-year performance period commencing January 1, 2026 and ending December 31, 2028, subject to certification of performance achievement by the Compensation and Talent Management Committee of Cable One, Inc. and the Reporting Persons continued employment through the date of such certification.

F2 · derivative.exercise_date: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F4 · derivative.exercise_date: Represents a grant of 15,003 Phantom PSUs on August 1, 2026, that vest based on target achievement of applicable performance goals over the three-year performance period commencing January 1, 2026 and ending December 31, 2028, subject to certification of performance achievement by the Compensation and Talent Management Committee of Cable One, Inc. and the Reporting Persons continued employment through the date of such certification.

F2 · derivative.expiration_date: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F4 · derivative.expiration_date: Represents a grant of 15,003 Phantom PSUs on August 1, 2026, that vest based on target achievement of applicable performance goals over the three-year performance period commencing January 1, 2026 and ending December 31, 2028, subject to certification of performance achievement by the Compensation and Talent Management Committee of Cable One, Inc. and the Reporting Persons continued employment through the date of such certification.

Read SEC document
August 01, 2026 Filed Aug 4, 2026 20:52 UTC Cable One, Inc. CABO · Entity 565 GrantPhantom RSUs · Derivative 10,002 $0.00 $0.00
Disclosure

SEC source: 0002044745-26-000004 · wk-form4_1785876745.xml · derivative · entry 2

Arntzen Christopher J · CIK 0002044745 · Chief Legal Officer, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,994

Underlying: Common Stock, par value $0.01 · 10,002 shares

Expires not disclosed

F2 · derivative.exercise_price: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F3 · derivative.exercise_price: Represents a grant of 10,002 Phantom RSUs on August 1, 2026, which generally vest in substantially equal installments on (i) January 3, 2027; (ii) January 3, 2028; and (iii) January 3, 2029, subject to the Reporting Person's continued employment through the applicable vesting date.

F2 · derivative.exercise_date: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F3 · derivative.exercise_date: Represents a grant of 10,002 Phantom RSUs on August 1, 2026, which generally vest in substantially equal installments on (i) January 3, 2027; (ii) January 3, 2028; and (iii) January 3, 2029, subject to the Reporting Person's continued employment through the applicable vesting date.

F2 · derivative.expiration_date: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F3 · derivative.expiration_date: Represents a grant of 10,002 Phantom RSUs on August 1, 2026, which generally vest in substantially equal installments on (i) January 3, 2027; (ii) January 3, 2028; and (iii) January 3, 2029, subject to the Reporting Person's continued employment through the applicable vesting date.

Read SEC document
August 01, 2026 Filed Aug 4, 2026 20:52 UTC Cable One, Inc. CABO · Entity 565 Tax withholdingCommon Stock, par value $0.01 40 $39.99 $1,599.60
Disclosure

SEC source: 0002044745-26-000004 · wk-form4_1785876745.xml · nonDerivative · entry 1

Arntzen Christopher J · CIK 0002044745 · Chief Legal Officer, Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,843

F1 · price: Represents the withholding of shares of Common Stock to satisfy the tax withholding liability associated with the vesting of an award of restricted stock units, which was granted on August 1, 2024 and that generally vests in two equal installments on each of the first two anniversaries of the grant date, subject to the Reporting Person's continued employment through each such date.

Read SEC document
January 03, 2026 Filed Jan 6, 2026 21:04 UTC Cable One, Inc. CABO · Entity 565 GrantPhantom PSUs · Derivative 7,488 $0.00 $0.00
Disclosure

SEC source: 0002044745-26-000002 · wk-form4_1767733451.xml · derivative · entry 3

Arntzen Christopher J · CIK 0002044745 · SVP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,488

Underlying: Common Stock, par value $0.01 · 7,488 shares

Expires not disclosed

F2 · derivative.exercise_price: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F4 · derivative.exercise_price: Represents a grant of 7,488 Phantom PSUs on January 3, 2026, that vest based on target achievement of applicable performance goals over the three-year performance period commencing January 1, 2026 and ending December 31, 2028, subject to certification of performance achievement by the Compensation and Talent Management Committee of Cable One, Inc. and the Reporting Persons continued employment through the date of such certification.

F2 · derivative.exercise_date: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F4 · derivative.exercise_date: Represents a grant of 7,488 Phantom PSUs on January 3, 2026, that vest based on target achievement of applicable performance goals over the three-year performance period commencing January 1, 2026 and ending December 31, 2028, subject to certification of performance achievement by the Compensation and Talent Management Committee of Cable One, Inc. and the Reporting Persons continued employment through the date of such certification.

F2 · derivative.expiration_date: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F4 · derivative.expiration_date: Represents a grant of 7,488 Phantom PSUs on January 3, 2026, that vest based on target achievement of applicable performance goals over the three-year performance period commencing January 1, 2026 and ending December 31, 2028, subject to certification of performance achievement by the Compensation and Talent Management Committee of Cable One, Inc. and the Reporting Persons continued employment through the date of such certification.

Read SEC document
January 03, 2026 Filed Jan 6, 2026 21:04 UTC Cable One, Inc. CABO · Entity 565 GrantPhantom RSUs · Derivative 4,992 $0.00 $0.00
Disclosure

SEC source: 0002044745-26-000002 · wk-form4_1767733451.xml · derivative · entry 2

Arntzen Christopher J · CIK 0002044745 · SVP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,992

Underlying: Common Stock, par value $0.01 · 4,992 shares

Expires not disclosed

F2 · derivative.exercise_price: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F3 · derivative.exercise_price: Represents a grant of 4,992 Phantom RSUs on January 3, 2026, which generally vest in substantially equal installments on each of the first three anniversaries of the grant date, subject to the Reporting Persons continued employment through the applicable vesting date.

F2 · derivative.exercise_date: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F3 · derivative.exercise_date: Represents a grant of 4,992 Phantom RSUs on January 3, 2026, which generally vest in substantially equal installments on each of the first three anniversaries of the grant date, subject to the Reporting Persons continued employment through the applicable vesting date.

F2 · derivative.expiration_date: Each phantom service-based restricted stock unit (a Phantom RSU) and each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right to receive the economic value of one share of Common Stock, with each solely settled in cash.

F3 · derivative.expiration_date: Represents a grant of 4,992 Phantom RSUs on January 3, 2026, which generally vest in substantially equal installments on each of the first three anniversaries of the grant date, subject to the Reporting Persons continued employment through the applicable vesting date.

Read SEC document
January 03, 2026 Filed Jan 6, 2026 21:04 UTC Cable One, Inc. CABO · Entity 565 Tax withholdingCommon Stock, par value $0.01 161 $104.16 $16,769.76
Disclosure

SEC source: 0002044745-26-000002 · wk-form4_1767733451.xml · nonDerivative · entry 1

Arntzen Christopher J · CIK 0002044745 · SVP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,883

F1 · shares: See Remarks.

Read SEC document
October 01, 2025 Filed Oct 1, 2025 23:46 UTC Cable One, Inc. CABO · Entity 565 Tax withholdingCommon Stock, par value $0.01 19 $177.13 $3,365.47
Disclosure

SEC source: 0002044745-25-000006 · wk-form4_1759362362.xml · nonDerivative · entry 1

Arntzen Christopher J · CIK 0002044745 · SVP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,044

F1 · price: Represents the withholding of shares of Common Stock to satisfy the tax withholding liability associated with the vesting of an award of restricted stock units, which was granted on October 1, 2023 and which vested in full on October 1, 2025.

Read SEC document
August 01, 2025 Filed Aug 4, 2025 20:40 UTC Cable One, Inc. CABO · Entity 565 Tax withholdingCommon Stock, par value $0.01 93 $136.77 $12,719.61
Disclosure

SEC source: 0002044745-25-000004 · wk-form4_1754340025.xml · nonDerivative · entry 1

Arntzen Christopher J · CIK 0002044745 · SVP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,063

F1 · price: Represents the withholding of shares of Common Stock to satisfy the tax withholding liability associated with the vesting of an award of restricted stock units, which was granted on August 1, 2024 and that generally vests in two equal installments on each of the first two anniversaries of the grant date, subject to the Reporting Person's continued employment through each such date.

Read SEC document
January 03, 2025 Filed Jan 7, 2025 21:12 UTC Cable One, Inc. CABO · Entity 565 GrantCommon Stock, par value $0.01 857 $373.32 $319,935.24
Disclosure

SEC source: 0001632127-25-000015 · wk-form4_1736284370.xml · nonDerivative · entry 2

Arntzen Christopher J · CIK 0002044745 · SVP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,156

F2 · shares: Represents shares of restricted stock units granted to the Reporting Person, which generally vest in three equal installments on each of the first three anniversaries of the date of grant, subject to the Reporting Person's continued employment with Cable One, Inc. through each such date.

Read SEC document
January 03, 2025 Filed Jan 7, 2025 21:12 UTC Cable One, Inc. CABO · Entity 565 Tax withholdingCommon Stock, par value $0.01 90 $373.32 $33,598.80
Disclosure

SEC source: 0001632127-25-000015 · wk-form4_1736284370.xml · nonDerivative · entry 1

Arntzen Christopher J · CIK 0002044745 · SVP, GC & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,299

F1 · shares: Represents the withholding of shares of Common Stock to satisfy tax withholding liability associated with the vesting of (i) restricted stock awards from previously reported grants, which were granted on January 3, 2022 which generally vest in four equal installments on each of the first four anniversaries of the respective date of grant, subject to the Reporting Person's continued employment with Cable One, Inc. through each such date, and (ii) restricted stock units from previously reported grants, which were granted on January 3, 2023 and 2024, which generally vest in three equal installments on each of the first three anniversaries of the date of grant, subject to the Reporting Person's continued employment with Cable One, Inc. through each such date.

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