X0202 SCHEDULE 13G/A 0001104659-25-122036 0001009268 XXXXXXXX LIVE 3 Common Stock, par value $0.01 per share 06/30/2026 0001632127 Cable One, Inc. 12685J105 210 E. Earll Drive Phoenix AZ 85012 Rule 13d-1(c) D. E. Shaw & Co., L.P. DE 0.00 476510.00 0.00 477500.00 477500.00 N 8.4 IA PN D. E. Shaw & Co., L.L.C. DE 0.00 418119.00 0.00 418119.00 418119.00 N 7.4 OO David E. Shaw X1 0.00 476510.00 0.00 477500.00 477500.00 N 8.4 IN Cable One, Inc. 210 E. Earll Drive, Phoenix, AZ 85012 D. E. Shaw & Co., L.P. D. E. Shaw & Co., L.L.C. David E. Shaw The business address for each reporting person is: Two Manhattan West 375 Ninth Avenue, 52nd Floor New York, NY 10001 D. E. Shaw & Co., L.P. is a limited partnership organized under the laws of the state of Delaware. D. E. Shaw & Co., L.L.C. is a limited liability company organized under the laws of the state of Delaware. David E. Shaw is a citizen of the United States of America. Y D. E. Shaw & Co., L.P.: 477,500 shares This is composed of (i) 278,100 shares in the name of D. E. Shaw Galvanic Portfolios, L.L.C., (ii) 80,798 shares in the name of D. E. Shaw Cogence Portfolios, L.L.C., (iii) 29,821 shares in the name of D. E. Shaw Oculus Portfolios, L.L.C., (iv) 29,300 shares in the name of D. E. Shaw Composite Portfolios, L.L.C., and (v) 59,481 shares under the management of D. E. Shaw Investment Management, L.L.C. D. E. Shaw & Co., L.L.C.: 418,119 shares This is composed of (i) 278,100 shares in the name of D. E. Shaw Galvanic Portfolios, L.L.C., (ii) 80,798 shares in the name of D. E. Shaw Cogence Portfolios, L.L.C., (iii) 29,821 shares in the name of D. E. Shaw Oculus Portfolios, L.L.C., (iv) 29,300 shares in the name of D. E. Shaw Composite Portfolios, L.L.C., and (v) 100 shares in the name of D. E. Shaw Investment Management Special Investment Fund, L.L.C. David E. Shaw: 477,500 shares This is composed of (i) 278,100 shares in the name of D. E. Shaw Galvanic Portfolios, L.L.C., (ii) 80,798 shares in the name of D. E. Shaw Cogence Portfolios, L.L.C., (iii) 29,821 shares in the name of D. E. Shaw Oculus Portfolios, L.L.C., (iv) 29,300 shares in the name of D. E. Shaw Composite Portfolios, L.L.C., and (v) 59,481 shares under the management of D. E. Shaw Investment Management, L.L.C. David E. Shaw does not own any shares directly. By virtue of David E. Shaw's position as President and sole shareholder of D. E. Shaw & Co., Inc., which is the general partner of D. E. Shaw & Co., L.P., which in turn is the investment adviser of D. E. Shaw Cogence Portfolios, L.L.C., D. E. Shaw Oculus Portfolios, L.L.C., and D. E. Shaw Composite Portfolios, L.L.C. and the managing member of (i) D. E. Shaw Adviser II, L.L.C., which in turn is the investment adviser of D. E. Shaw Galvanic Portfolios, L.L.C. and (ii) D. E. Shaw Investment Management, L.L.C., which in turn is the investment adviser of D. E. Shaw Investment Management Special Investment Fund, L.L.C., and by virtue of David E. Shaw's position as President and sole shareholder of D. E. Shaw & Co. II, Inc., which is the managing member of D. E. Shaw & Co., L.L.C., which in turn is the manager of D. E. Shaw Cogence Portfolios, L.L.C., D. E. Shaw Oculus Portfolios, L.L.C., D. E. Shaw Composite Portfolios, L.L.C., and D. E. Shaw Investment Management Special Investment Fund, L.L.C. and the managing member of D. E. Shaw Manager II, L.L.C., which in turn is the manager of D. E. Shaw Galvanic Portfolios, L.L.C., David E. Shaw may be deemed to have the shared power to vote or direct the vote of 476,510 shares and the shared power to dispose or direct the disposition of 477,500 shares, the 477,500 shares as described above constituting 8.4% of the outstanding shares, and, therefore, David E. Shaw may be deemed to be the beneficial owner of such shares. David E. Shaw disclaims beneficial ownership of such 477,500 shares. D. E. Shaw & Co., L.P.: 8.4% D. E. Shaw & Co., L.L.C.: 7.4% David E. Shaw: 8.4% D. E. Shaw & Co., L.P.: 0 shares D. E. Shaw & Co., L.L.C.: 0 shares David E. Shaw: 0 shares D. E. Shaw & Co., L.P.: 476,510 shares D. E. Shaw & Co., L.L.C.: 418,119 shares David E. Shaw: 476,510 shares D. E. Shaw & Co., L.P.: 0 shares D. E. Shaw & Co., L.L.C.: 0 shares David E. Shaw: 0 shares D. E. Shaw & Co., L.P.: 477,500 shares D. E. Shaw & Co., L.L.C.: 418,119 shares David E. Shaw: 477,500 shares Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Exhibit 3: Joint Filing Agreement, by and among the Reporting Persons, dated August 14, 2026. D. E. Shaw & Co., L.P. /s/ Daniel R. Marcus 08/14/2026 D. E. Shaw & Co., L.L.C. /s/ Daniel R. Marcus 08/14/2026 David E. Shaw /s/ Daniel R. Marcus 08/14/2026 Exhibit 1: Power of Attorney, granted by David E. Shaw relating to D. E. Shaw & Co., Inc., in favor of the signatories hereto, among others, dated August 1, 2024. Exhibit 2: Power of Attorney, granted by David E. Shaw relating to D. E. Shaw & Co. II, Inc., in favor of the signatories hereto, among others, dated August 1, 2024.