[Form 4] Cable One, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Cable One, Inc. Chief Operating Officer Kenneth E. Johnson reported equity-related transactions on January 3, 2026. The company withheld 417 shares of common stock at a price of $104.16 per share to cover tax obligations tied to previously granted restricted stock and restricted stock units that vested, leaving him with 6,177 directly owned shares of common stock.

On the same date, Johnson received 9,216 phantom service-based restricted stock units (Phantom RSUs) and 13,824 phantom performance-based restricted stock units (Phantom PSUs. Each unit represents the value of one share of common stock, settled only in cash. The Phantom RSUs generally vest in three equal annual installments, while the Phantom PSUs may vest based on performance goals over a three-year period ending December 31, 2028, subject to committee certification and his continued employment.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider JOHNSON KENNETH E

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Phantom RSUs	9,216	$0.00	--
Grant/Award	Phantom PSUs	13,824	$0.00	--
Tax Withholding	Common Stock, par value $0.01	417	$104.16	$43K

Holdings After Transaction: Phantom RSUs — 9,216 shares (Direct); Phantom PSUs — 13,824 shares (Direct); Common Stock, par value $0.01 — 6,177 shares (Direct)

Footnotes (1)

1. 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. 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 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. 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.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

JOHNSON KENNETH E

(Last) (First) (Middle)

C/O CABLE ONE, INC.

210 E. EARLL DRIVE

(Street)

PHOENIX AZ 85012

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Cable One, Inc. [ CABO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/03/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.01	01/03/2026		F		417(1)	D	$104.16	6,177	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Phantom RSUs	(2)(3)	01/03/2026		A		9,216		(2)(3)	(2)(3)	Common Stock, par value $0.01	9,216	$0	9,216	D
Phantom PSUs	(2)(4)	01/03/2026		A		13,824		(2)(4)	(2)(4)	Common Stock, par value $0.01	13,824	$0	13,824	D

Explanation of Responses:

1. 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.

2. 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.

3. 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.

4. 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.

Remarks:

	/s/ Christopher J. Arntzen for Kenneth E. Johnson	01/06/2026
	** Signature of Reporting Person	Date
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