X0306 4 2016-06-03 0001632127 Cable One, Inc. CABO 0001159015 GAYNER THOMAS SINNICKSON C/O CABLE ONE, INC. 210 E. EARLL DRIVE PHOENIX AZ 85012 true Common Stock; par value $0.01 5773 D Restricted Stock Unit (RSU) 2016-06-03 4 A 0 1 0 A Common Stock; par value $0.01 1 358 D Includes 5,200 shares of Common Stock held for the account of a number of beneficial owners in which the Reporting Person disclaims beneficial ownership. Additional restricted stock unit was acquired pursuant to the dividend equivalent provision of the underlying restricted stock unit awards. Restricted stock units convert into Common Stock on a one-for-one basis. This award of restricted stock units generally vests in full on the date of the 2017 annual shareholders' meeting of Cable One, Inc., subject to the Reporting Person's continued service on the Board of Directors of Cable One, Inc. through such date. The vested shares of Common Stock will be delivered to the Reporting Person upon vesting or, if applicable, as per the terms of the Reporting Person's deferral election. /s/ Alan H. Silverman for Thomas S. Gayner 2016-06-07