[SCHEDULE 13G/A] Cable One, Inc. Amended Passive Investment Disclosure

Rhea-AI Filing Summary

Burgundy Asset Management Ltd. filed an amended Schedule 13G for Cable One, Inc., reporting beneficial ownership of 451,960 common shares, or about 8.02% of the class as of December 31, 2025. Burgundy has sole voting power over 325,051 shares and sole dispositive power over 451,960 shares, with no shared voting or dispositive power.

The firm states the position was acquired and is held in the ordinary course of business, not to change or influence control of Cable One. A signature note explains that as of November 1, 2025, Burgundy became a wholly owned subsidiary of Bank of Montreal, and beneficial ownership of these securities is now aggregated in Bank of Montreal’s filing.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Cable One, Inc.

(Name of Issuer)

Common

(Title of Class of Securities)

12685J105

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 12685J105

1

Names of Reporting Persons

Burgundy Asset Management Ltd.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CANADA (FEDERAL LEVEL)

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 325,051.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 451,960.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

451,960.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

8.02 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Cable One, Inc.
(b)	Address of issuer's principal executive offices: 210 East Earll Drive, Phoenix, Arizona, 85012
Item 2.
(a)	Name of person filing: Burgundy Asset Management Ltd.
(b)	Address or principal business office or, if none, residence: 181 Bay Street, Suite 4510, Toronto, Ontario, M5J 2T3
(c)	Citizenship: Canada
(d)	Title of class of securities: Common
(e)	CUSIP No.: 12685J105
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 451,960
(b)	Percent of class: 8.0205%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 325,051
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 451,960
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Burgundy Asset Management Ltd.

Signature:	/s/ Karen Mintz
Name/Title:	Karen Mintz, VP, CCO & Associate General Counsel
Date:	02/11/2026

Comments accompanying signature: As of November 1, 2025, Burgundy Asset Management Ltd. became a wholly owned subsidiary of Bank of Montreal. Beneficial ownership of the securities reported herein is now aggregated in Bank of Montreal's Schedule 13G filing

FAQ

What stake in Cable One (CABO) does Burgundy Asset Management report?

Burgundy Asset Management reports beneficial ownership of 451,960 Cable One common shares, representing about 8.02% of the outstanding class. The firm holds sole voting power over 325,051 shares and sole dispositive power over all 451,960 shares, with no shared powers reported.

Is Burgundy Asset Management seeking control of Cable One (CABO)?

Burgundy states the Cable One shares were acquired and are held in the ordinary course of business, not to change or influence control of the company. The certification also notes the holdings are not part of any control-related transaction, except activities tied to nominations under Rule 14a-11.

How is Burgundy Asset Management’s ownership in Cable One (CABO) classified?

Burgundy’s stake is reported on a Schedule 13G/A, typically used by passive or certain institutional investors. The filing shows Burgundy as a Canadian entity with sole voting and dispositive power over its position, and no indication of group arrangements or shared control over the CABO shares.

What change involving Bank of Montreal is disclosed for CABO holder Burgundy?

The signature comment notes that as of November 1, 2025, Burgundy Asset Management Ltd. became a wholly owned subsidiary of Bank of Montreal. As a result, beneficial ownership of the reported Cable One securities is now aggregated in Bank of Montreal’s own beneficial ownership filing.

What voting and dispositive powers does Burgundy have over Cable One (CABO) shares?

Burgundy reports sole power to vote or direct the vote over 325,051 Cable One shares, and sole power to dispose or direct the disposition of 451,960 shares. It reports zero shared voting power and zero shared dispositive power over CABO securities in this Schedule 13G/A.