KENNETH E. JOHNSON - 03 Jan 2026 Form 4 Insider Report for Cable One, Inc. (CABO)

Role: Chief Operating Officer
Signature: /s/ Christopher J. Arntzen for Kenneth E. Johnson
Issuer symbol: CABO
Transactions as of: 03 Jan 2026
Net transactions value: -$43,435
Form type: 4
Filing time: 06 Jan 2026, 16:03:59 UTC
Previous filing: 07 Jan 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
JOHNSON KENNETH E	Chief Operating Officer	C/O CABLE ONE, INC., 210 E. EARLL DRIVE, PHOENIX	/s/ Christopher J. Arntzen for Kenneth E. Johnson	06 Jan 2026	0001427252

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CABO	Common Stock, par value $0.01	Tax liability	$43,435	-417	-6.3%	$104.16	6,177	03 Jan 2026	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CABO	Phantom RSUs	Award	$0	+9,216		$0.000000	9,216	03 Jan 2026	Common Stock, par value $0.01	9,216		Direct	F2, F3
transaction	CABO	Phantom PSUs	Award	$0	+13,824		$0.000000	13,824	03 Jan 2026	Common Stock, par value $0.01	13,824		Direct	F2, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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, 2024 and 2025, 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.
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 9,216 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.
F4	Represents a grant of 13,824 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.