Heather A. McCallion - 01 Sep 2026 Form 4 Insider Report for Cable One, Inc. (CABO)

Reporting relationship: Chief Operating Officer
Issuer ticker: CABO
Reported as of: 01 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Sep 2026, 16:25:34 UTC
Prior SEC filing: 25 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Christopher J. Arntzen for Heather A. McCallion

Key filing fact

Heather A. McCallion filed Form 4 for Cable One, Inc. (CABO) on 02 Sep 2026.

Key facts

This page summarizes Heather A. McCallion's Form 4 filing for Cable One, Inc. (CABO).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 02 Sep 2026, 16:25.

Change

Previous filing in this sequence was filed on 25 Aug 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002148916 Primary reporting owner

McCallion Heather A

Relationship: Chief Operating Officer
Address: C/O CABLE ONE, INC., 210 E. EARLL DRIVE, PHOENIX
Signature: /s/ Christopher J. Arntzen for Heather A. McCallion
Signature date: 02 Sep 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CABO transaction Derivative

Phantom RSUs

Award

Transaction value
Shares: +41,893
Change %
Price: $0.000000^*
Shares after: 41,893
Date: 01 Sep 2026
Ownership: Direct
Underlying class: Common Stock, par value $0.01
Underlying amount: 41,893
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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.

Footnote F2

Represents a grant of 41,893 Phantom RSUs on September 1, 2026, which generally vest in substantially equal installments on (i) September 1, 2027 and (ii) September 1, 2028, subject to the Reporting Persons continued employment through the applicable vesting date