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Cable One: Graham stake falls to approximately 4.99%

Graham's reported beneficial ownership was approximately 4.99% of Cable One's common stock as of October 19, below the five-percent threshold.

(Moderate)

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Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

Cable One, Inc. (CABO) reported open-market sales of its common stock by reporting person Donald E. Graham and trusts in which he shared voting and investment power. From October 13 through October 19, 2026, Mr. Graham personally sold 5,459 shares on October 16 at a weighted average price of $7.58 and 1,820 shares on October 19 at $6.07. Trusts also reported sales on those dates and on October 13, 14 and 15.

As of October 19, Mr. Graham reported beneficial ownership of 282,882 shares, approximately 4.99% of the class. He stated that he had ceased to be the beneficial owner of more than five percent of Cable One’s outstanding common stock.

Shares personally sold by Donald E. Graham 5,459 shares October 16, 2026
Weighted average price $7.58 per share Mr. Graham's October 16, 2026 sale
Shares personally sold by Donald E. Graham 1,820 shares October 19, 2026
Weighted average price $6.07 per share Mr. Graham's October 19, 2026 sale
Beneficial ownership 282,882 shares As of October 19, 2026
Percentage of class beneficially owned approximately 4.99% As of October 19, 2026
beneficial owner technical
"was the beneficial owner of 282,882 shares"
A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.
shared voting and investment power technical
"shared voting and investment power with Mr. Mosley"
weighted average price financial
"at a weighted average price of $6.07 per share"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
revocable trust technical
"held in a revocable trust for the benefit of Mr. Graham"
A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.

FAQ

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

What Cable One shares did Donald E. Graham sell on October 19, 2026?

Donald E. Graham sold 1,820 shares of common stock in the open market at a weighted average price of $6.07 per share. Trusts in which he shared voting and investment power also reported sales that day.

How many CABO shares did Donald E. Graham beneficially own after the reported sales?

As of October 19, 2026, Donald E. Graham reported beneficial ownership of 282,882 shares, approximately 4.99% of the class. The percentage was calculated using 5,673,925 Cable One shares outstanding as of July 31, 2026.

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

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12685J105

(CUSIP Number)
Graham Holdings Company
c/o Nicole M. Maddrey, 1812 North Moore Street
Arlington, VA, 22209
(703) 345-6300


Copy to: Nicholas A. Dorsey
Cravath, Swaine & Moore LLP, 375 Ninth Avenue
New York, NY, 10001
(212) 474-1000

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
10/16/2026

(Date of Event Which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




schemaVersion:


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to row 13: Calculated based on 5,673,925 shares of common stock, par value $0.01 per share, of Cable One, Inc. outstanding as of July 31, 2026


SCHEDULE 13D


Donald E. Graham
Signature:/s/ Donald E. Graham
Name/Title:Donald E. Graham
Date:10/19/2026

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