Cable One (NYSE: CABO) SVP reports share withholding and phantom RSU/PSU grants

Rhea-AI Filing Summary

Cable One, Inc. reported an equity compensation and tax-withholding transaction for its officer serving as SVP, General Counsel and Secretary. On January 3, 2026, 161 shares of common stock were withheld at $104.16 per share to cover tax obligations tied to vesting of prior equity awards, leaving the officer with 1,883 directly owned shares.

On the same date, the officer received a grant of 4,992 phantom service-based restricted stock units (Phantom RSUs), which generally vest in substantially equal installments on each of the first three anniversaries of the grant date, contingent on continued employment. The officer also received 7,488 phantom performance-based restricted stock units (Phantom PSUs), which vest based on target achievement of performance goals over a three-year period from January 1, 2026 through December 31, 2028, subject to committee certification and continued employment. Each Phantom RSU and Phantom PSU represents the economic value of one share of common stock and is settled solely in cash.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Arntzen Christopher J

Role SVP, GC & Secretary

Type	Security	Shares	Price	Value
Grant/Award	Phantom RSUs	4,992	$0.00	--
Grant/Award	Phantom PSUs	7,488	$0.00	--
Tax Withholding	Common Stock, par value $0.01	161	$104.16	$17K

Holdings After Transaction: Phantom RSUs — 4,992 shares (Direct); Phantom PSUs — 7,488 shares (Direct); Common Stock, par value $0.01 — 1,883 shares (Direct)

Footnotes (1)

1. See Remarks. 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.

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

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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^*

Arntzen Christopher J

(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)
	SVP, GC & Secretary

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		161(1)	D	$104.16	1,883	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		4,992		(2)(3)	(2)(3)	Common Stock, par value $0.01	4,992	$0	4,992	D
Phantom PSUs	(2)(4)	01/03/2026		A		7,488		(2)(4)	(2)(4)	Common Stock, par value $0.01	7,488	$0	7,488	D

Explanation of Responses:

1. See Remarks.

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 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.

4. 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.

Remarks:

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 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, and (iii) restricted stock units from previously reported grants, which were granted on January 3, 2024, which generally vest in two equal installments on each of the first two anniversaries of the date of grant, subject to the Reporting Person's continued employment with Cable One, Inc. through each such date.

	/s/ Christopher J. Arntzen	01/06/2026
	** Signature of Reporting Person	Date
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FAQ

What insider transaction did Cable One (CABO) report for January 3, 2026?

The company reported that its SVP, General Counsel and Secretary had 161 shares of Cable One common stock withheld on January 3, 2026 at a price of $104.16 per share to satisfy tax withholding obligations related to vesting equity awards, leaving 1,883 shares owned directly.

What Phantom RSUs were granted to the Cable One (CABO) officer?

The officer received a grant of 4,992 Phantom RSUs on January 3, 2026. These generally vest in substantially equal installments on each of the first three anniversaries of the grant date, subject to the officer’s continued employment with Cable One through each applicable vesting date.

What Phantom PSUs were granted to the Cable One (CABO) officer and how do they vest?

The officer received 7,488 Phantom PSUs on January 3, 2026. They vest based on target achievement of performance goals over a three-year period from January 1, 2026 to December 31, 2028, subject to certification of performance by the Compensation and Talent Management Committee and the officer’s continued employment through the certification date.

Are the Cable One (CABO) Phantom RSUs and PSUs settled in stock or cash?

Each Phantom RSU and Phantom PSU represents a contingent right to receive the economic value of one share of Cable One common stock, and each is stated to be settled solely in cash, not in actual shares.

What is the officer’s ownership form after the reported Cable One (CABO) transaction?

Following the reported tax-withholding transaction, the officer is shown as beneficially owning 1,883 shares of Cable One common stock in direct (D) ownership form.

Why were 161 Cable One (CABO) shares withheld from the officer?

The remarks state that the 161 shares of common stock withheld represent shares used to satisfy tax withholding liabilities tied to vesting of previously granted restricted stock awards and restricted stock units from grants in 2022, 2023, 2024, and 2025, each subject to service-based vesting schedules.