Christopher J. Arntzen - 03 Jan 2026 Form 4 Insider Report for Cable One, Inc. (CABO)

Role
SVP, GC & Secretary
Signature
/s/ Christopher J. Arntzen
Issuer symbol
CABO
Transactions as of
03 Jan 2026
Net transactions value
-$16,770
Form type
4
Filing time
06 Jan 2026, 16:04:14 UTC
Previous filing
01 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Arntzen Christopher J SVP, GC & Secretary C/O CABLE ONE, INC., 210 E. EARLL DRIVE, PHOENIX /s/ Christopher J. Arntzen 06 Jan 2026 0002044745

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CABO Common Stock, par value $0.01 Tax liability $16,770 -161 -7.9% $104.16 1,883 03 Jan 2026 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CABO Phantom RSUs Award $0 +4,992 $0.000000 4,992 03 Jan 2026 Common Stock, par value $0.01 4,992 Direct F2, F3
transaction CABO Phantom PSUs Award $0 +7,488 $0.000000 7,488 03 Jan 2026 Common Stock, par value $0.01 7,488 Direct F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 See Remarks.
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.
F3 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.
F4 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.