X0508 4 2026-01-03 0 0001632127 Cable One, Inc. CABO 0001859514 Detz Margaret Masoner C/O CABLE ONE, INC. 210 E. EARLL DRIVE PHOENIX AZ 85012 0 1 0 0 Chief People Officer 0 Phantom RSUs 2026-01-03 4 A 0 4992 0 A Common Stock, par value $0.01 4992 4992 D Phantom PSUs 2026-01-03 4 A 0 7488 0 A Common Stock, par value $0.01 7488 7488 D 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. 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. 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. /s/ Christopher J. Arntzen for Margaret Masoner Detz 2026-01-06