Cable One grants phantom units to top legal officer

Cable One, Inc. reported compensation-related transactions for Chief Legal Officer and Secretary Christopher J. Arntzen.

Rhea-AI Filing Summary

Cable One, Inc. reported compensation-related transactions for Chief Legal Officer and Secretary Christopher J. Arntzen. On August 1, 2026 he received grants of 10,002 Phantom RSUs and 15,003 Phantom PSUs, each representing a cash-settled right to the value of one share of Common Stock, subject to multi‑year service- and performance-based vesting conditions. On the same date, 40 shares of Common Stock at $39.9900 per share were withheld to satisfy tax obligations from an August 1, 2024 RSU award vesting, leaving him with 1,843 directly held shares. After these grants he held 14,994 Phantom RSUs and 22,491 Phantom PSUs.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Arntzen Christopher J

Role Chief Legal Officer, Secretary

Type	Security	Shares	Price	Value
Grant/Award	Phantom RSUs F2, F3	10,002	$0.00	$0.00
Grant/Award	Phantom PSUs F2, F4	15,003	$0.00	$0.00
Tax Withholding	Common Stock, par value $0.01 F1	40	$39.99	$2K

Holdings After Transaction: Phantom RSUs — 14,994 contracts (Direct); Phantom PSUs — 22,491 contracts (Direct); Common Stock, par value $0.01 — 1,843 shares (Direct)

Footnotes (4)

1. F1. Represents the withholding of shares of Common Stock to satisfy the tax withholding liability associated with the vesting of an award of restricted stock units, which was granted on August 1, 2024 and that generally vests in two equal installments on each of the first two anniversaries of the grant date, subject to the Reporting Person's continued employment through each such date.
2. F2. 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. F3. Represents a grant of 10,002 Phantom RSUs on August 1, 2026, which generally vest in substantially equal installments on (i) January 3, 2027; (ii) January 3, 2028; and (iii) January 3, 2029, subject to the Reporting Person's continued employment through the applicable vesting date.
4. F4. Represents a grant of 15,003 Phantom PSUs on August 1, 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.

Key Figures

Phantom RSUs granted: 10,002 units Phantom PSUs granted: 15,003 units Common shares withheld for taxes: 40 shares +3 more

6 metrics

Phantom RSUs granted 10,002 units Grant to Christopher J. Arntzen on August 1, 2026

Phantom PSUs granted 15,003 units Grant to Christopher J. Arntzen on August 1, 2026

Common shares withheld for taxes 40 shares Withheld at $39.9900 per share to satisfy tax liability on RSU vesting

Common shares held after transaction 1,843 shares Direct Common Stock holdings after August 1, 2026 withholding

Phantom RSUs outstanding after grant 14,994 units Total Phantom RSUs held after August 1, 2026 grant

Phantom PSUs outstanding after grant 22,491 units Total Phantom PSUs held after August 1, 2026 grant

Key Terms

Phantom RSUs, Phantom PSUs, restricted stock units, performance goals, +1 more

5 terms

Phantom RSUs financial

"Each phantom service-based restricted stock unit (a Phantom RSU) represents a contingent right"

Phantom PSUs financial

"each phantom performance-based restricted stock unit (a Phantom PSU) represents a contingent right"

restricted stock units financial

"vesting of an award of restricted stock units, which was granted on August 1, 2024"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

performance goals financial

"vest based on target achievement of applicable performance goals over the three-year performance period"

Performance goals are specific, measurable targets a company sets for financial results, operational milestones, or individual roles—examples include revenue, profit, production levels, or completion of a project. They matter to investors because meeting or missing these targets influences management pay, future forecasts, deal-related payments and market confidence; think of them as a scoreboard that helps outsiders judge whether the business is performing as promised.

Compensation and Talent Management Committee financial

"subject to certification of performance achievement by the Compensation and Talent Management Committee of Cable One, Inc."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Cable One (CABO) grant to Christopher J. Arntzen in this Form 4?

Christopher J. Arntzen received 10,002 Phantom RSUs and 15,003 Phantom PSUs on August 1, 2026. Each unit is cash-settled and represents the economic value of one share of Common Stock, subject to specific vesting and performance conditions.

How do the Phantom RSUs granted by CABO to Christopher J. Arntzen vest?

The 10,002 Phantom RSUs generally vest in substantially equal installments on January 3, 2027, January 3, 2028, and January 3, 2029. Vesting is conditioned on Mr. Arntzen’s continued employment through each applicable vesting date.

What are the vesting conditions for CABO’s Phantom PSUs granted to Christopher J. Arntzen?

The 15,003 Phantom PSUs vest based on target achievement of performance goals over a three-year period from January 1, 2026 to December 31, 2028. Vesting requires Compensation and Talent Management Committee certification and continued employment through the certification date.

Why were 40 shares of Cable One (CABO) Common Stock withheld from Christopher J. Arntzen?

40 shares of Common Stock at $39.9900 per share were withheld to satisfy tax withholding liabilities. These taxes related to the vesting of restricted stock units granted on August 1, 2024, which vest in two equal annual installments, contingent on continued employment.

What are Christopher J. Arntzen’s holdings in CABO after these transactions?

After the reported transactions, Christopher J. Arntzen directly holds 1,843 shares of Common Stock, 14,994 Phantom RSUs, and 22,491 Phantom PSUs. The phantom units are cash-settled rights tied to the economic value of Cable One’s Common Stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/04/2026 - 04:52 PM Accepted by SEC EDGAR 08/04/2026 - 04:52 PM Learn about SEC filing dates

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
Estimated average burden
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^*

Arntzen Christopher J

(Last) (First) (Middle)

C/O CABLE ONE, INC.

210 E. EARLL DRIVE

(Street)

PHOENIX ARIZONA 85012

(City) (State) (Zip)

UNITED STATES

(Country)

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 Legal Officer, Secretary

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/01/2026

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

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

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

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	08/01/2026		F		40	D	$39.99(1)	1,843	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)	08/01/2026		A		10,002		(2)(3)	(2)(3)	Common Stock, par value $0.01	10,002	$0	14,994	D
Phantom PSUs	(2)(4)	08/01/2026		A		15,003		(2)(4)	(2)(4)	Common Stock, par value $0.01	15,003	$0	22,491	D

Explanation of Responses:

1. Represents the withholding of shares of Common Stock to satisfy the tax withholding liability associated with the vesting of an award of restricted stock units, which was granted on August 1, 2024 and that generally vests in two equal installments on each of the first two anniversaries of the grant date, subject to the Reporting Person's continued employment 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 10,002 Phantom RSUs on August 1, 2026, which generally vest in substantially equal installments on (i) January 3, 2027; (ii) January 3, 2028; and (iii) January 3, 2029, subject to the Reporting Person's continued employment through the applicable vesting date.

4. Represents a grant of 15,003 Phantom PSUs on August 1, 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	08/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)