Insider Transactions Reported by 24 Insiders of Cable One, Inc.

Symbol: CABO on NYSE
Location: Phoenix, AZ

Quick Takeaways

CABO - Cable One, Inc. has 24 insiders with reported activity on this page.
Net insider value flow over the last year: +$1,123,989.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: $1,123,989; sell value: $0.
Net share flow: +8,698.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to buying over the last 12 months. Net value: +$1,123,989.

Buys

$1,123,989

Shares: 8,698

Insiders: 5

Sells

Shares: 0

Insiders: 0

Net

+$1,123,989

Shares: +8,698

Insiders: 5

Window (months)	Buy shares	Buy $	Sell $	Net $
0-3	998	$99,960	$0	+$99,960
3-6	0	$0	$0	$0
6-9	0	$0	$0	$0
9-12	7,700	$1,024,029	$0	+$1,024,029

Cable One, Inc. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Thomas Sinnickson Gayner	Director	$16,855,208			Mixed	10 Mar 2023
Julia M. Laulis	COB, President and CEO, Director	$9,564,832			Mixed	03 Jan 2025
Wallace R. Weitz	Director	$4,679,243	+$927,713	+25%	Mixed	13 Jun 2025
Michael E. Bowker	Chief Growth Officer	$3,318,476			Mixed	03 Jan 2024
Thomas O Might	Director	$1,735,235			Mixed	16 May 2024
Steven S. Cochran	Chief Financial Officer	$1,696,050			Mixed	04 Mar 2022
Brad D. Brian	Director	$1,498,358			Mixed	15 May 2025
Matthew Armstrong	SVP Residential Services	$1,319,270			Mixed	03 Jan 2024
Eric Michael Lardy	SVP, Operations & Integration	$1,311,150			Mixed	09 May 2023
Deborah J. Kissire	Director	$1,206,448			Mixed	15 May 2025
Peter N. Witty	The Reporting Person is the Chief Legal & Administrative Officer	$1,108,126			Filing P/S	22 Nov 2024
James A. Obermeyer	SVP, Marketing & Sales	$863,453			Mixed	01 Apr 2023
Christopher D. Boone	The Reporting Person is the Senior Vice President, Business Services & Emerging Markets.	$852,840			Filing P/S	05 Mar 2024
Todd M. Koetje	Chief Financial Officer	$770,831	+$99,960	+15%	Filing P/S	03 Mar 2026
Kenneth E. Johnson	Chief Operating Officer	$654,592			Mixed	02 Feb 2026
Mary E. Meduski	Director	$532,652	+$37,000	+7.5%	Filing P/S	11 Jun 2025
Margaret Masoner Detz	Chief People Officer	$482,613	+$39,684	+9%	Mixed	02 Feb 2026
Sherrese M. Smith	Director	$473,347			Mixed	15 May 2025
Katharine Weymouth	Director	$300,238	+$19,632	+7%	Filing P/S	16 Jun 2025
Kristine E. Miller	Director	$254,435			Mixed	20 May 2022
P. Robert Bartolo	Director	$249,685			Mixed	15 May 2025
Christopher J. Arntzen	SVP, GC & Secretary	$196,133			Mixed	03 Jan 2026
Anthony John Mokry	SVP Residential Services	$169,155			Mixed	03 Jan 2026
James A. Holanda	Chief Executive Officer, Director	$0			Mixed	26 Feb 2026

Top shareholders of Cable One, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock, Inc.	13D/G 13F	Company	13%	712,304	$126,113,423	-$10,498,888	30 Sep 2025	13D/G 13F
Rothschild & Co Wealth Management UK Ltd	13D/G 13F	Rothschild and Co Wealth Management UK Limited · Company	5.2%	290,327	$78,635,068	$0	30 Sep 2024	13D/G 13F
BANK OF MONTREAL /CAN/	13F 13D/G	Company · Bank of Montreal	8.4% from 13D/G	458,169	$51,704,372	—	31 Dec 2025	13F 13D/G
VANGUARD GROUP INC	13F	Company	7.6%	429,841	$48,507,557	—	31 Dec 2025	13F
PRIVATE MANAGEMENT GROUP INC	13D/G 13F	Company	5.5%	311,133	$42,254,973	$0	30 Jun 2025	13D/G 13F
Burgundy Asset Management Ltd.	13D/G	—	8%	451,960	$42,014,202	$0	31 Dec 2025	13D/G
D. E. SHAW & CO, L.P.	13D/G	—	5.5%	308,653	$34,831,645	+$3,028,456	15 Jan 2026	13D/G
D. E. Shaw & Co., Inc.	13F	Company	5.3%	297,654	$33,590,254	—	31 Dec 2025	13F
GOLDMAN SACHS GROUP INC	13F	Company	5%	282,384	$31,867,041	—	31 Dec 2025	13F
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	13D/G	—	4.2%	237,107	$31,466,470	-$15,735,823	30 Jun 2025	13D/G
DAVENPORT & Co LLC	13F	Company	4.5%	254,032	$28,667,511	—	31 Dec 2025	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	3.9%	218,848	$24,699,293	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	3.4%	194,771	$21,979,907	—	31 Dec 2025	13F
Graham Holdings Co	13F	Company	3.2%	182,439	$20,588,000	—	31 Dec 2025	13F
BROWN ADVISORY INC	13F	Company	3.1%	173,343	$19,561,702	—	31 Dec 2025	13F
Quantinno Capital Management LP	13F	Company	3%	170,230	$19,210,471	—	31 Dec 2025	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	2.8%	158,881	$17,929,724	—	31 Dec 2025	13F
Thomas Sinnickson Gayner	3/4/5	Director	— mixed-class rows	31,541 mixed-class rows	$16,855,208	—	10 Mar 2023	3/4/5
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	2.6%	147,470	$16,641,990	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2.1%	116,806	$13,183,955	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	1.8%	102,872	$11,609,234	—	31 Dec 2025	13F
Julia M. Laulis	3/4/5	COB, President and CEO, Director	— class O/S missing	25,621	$9,564,832	—	03 Jan 2025	3/4/5
MARSHALL WACE, LLP	13F	Company	1.3%	73,881	$8,337,472	—	31 Dec 2025	13F
NORDEA INVESTMENT MANAGEMENT AB	13F	Company	1.3%	72,159	$8,316,325	—	31 Dec 2025	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	1.3%	73,452	$8,289,058	—	31 Dec 2025	13F
GOLDENTREE ASSET MANAGEMENT LP	13F	Company	1.3%	73,180	$8,213,799	—	31 Dec 2025	13F
AMERIPRISE FINANCIAL INC	13F	Company	1%	57,046	$6,437,642	—	31 Dec 2025	13F
Man Group plc	13F	Company	0.91%	51,300	$5,789,205	—	31 Dec 2025	13F
Invesco Ltd.	13F	Company	0.88%	49,582	$5,595,328	—	31 Dec 2025	13F
PUBLIC SECTOR PENSION INVESTMENT BOARD	13F	Company	0.86%	48,580	$5,482,253	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	0.84%	47,370	$5,345,706	—	31 Dec 2025	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.81%	45,500	$5,134,675	—	31 Dec 2025	13F
Wallace R. Weitz	3/4/5	Director	— mixed-class rows	25,732 mixed-class rows	$4,679,243	+$927,713	13 Jun 2025	3/4/5
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.72%	40,455	$4,565,347	—	31 Dec 2025	13F
UBS Group AG	13F	Company	0.68%	38,383	$4,331,521	—	31 Dec 2025	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.66%	36,994	$4,174,773	—	31 Dec 2025	13F
Bank of New York Mellon Corp	13F	Company	0.54%	30,763	$3,471,601	—	31 Dec 2025	13F
IEQ CAPITAL, LLC	13F	Company	0.54%	30,292	$3,418,452	—	31 Dec 2025	13F
Michael E. Bowker	3/4/5	Chief Growth Officer	— class O/S missing	6,130	$3,318,476	—	03 Jan 2024	3/4/5
Connor, Clark & Lunn Investment Management Ltd.	13F	Company	0.52%	29,258	$3,301,765	—	31 Dec 2025	13F
NORGES BANK	13F	Company	0.52%	29,204	$3,295,671	—	31 Dec 2025	13F
Quinn Opportunity Partners LLC	13F	Company	0.5%	28,201	$3,182,483	—	31 Dec 2025	13F
Trexquant Investment LP	13F	Company	0.46%	25,980	$2,931,843	—	31 Dec 2025	13F
Empowered Funds, LLC	13F	Company	0.44%	24,724	$2,790,104	—	31 Dec 2025	13F
Walleye Capital LLC	13F	Company	0.4%	22,756	$2,568,015	—	31 Dec 2025	13F
Caprock Group, LLC	13F	Company	0.39%	21,860	$2,466,901	—	31 Dec 2025	13F
FMR LLC	13F	Company	0.38%	21,691	$2,447,830	—	31 Dec 2025	13F
LSV ASSET MANAGEMENT	13F	Company	0.36%	20,607	$2,325,000	—	31 Dec 2025	13F
Long Focus Capital Management, LLC	13F	Company	0.35%	19,777	$2,231,834	—	31 Dec 2025	13F
MAVERICK CAPITAL LTD	13F	Company	0.35%	19,552	$2,206,443	—	31 Dec 2025	13F

Recent Insider Transactions by Companies or Individuals for Cable One, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Todd M. Koetje	CABO	Common Stock, par value $0.01	Purchase	14.9%	$99,960	$100.16	998	7,696	03 Mar 2026	Direct
James A. Holanda	CABO	RSUs	Award				44,004	44,004	26 Feb 2026	Direct
Todd M. Koetje	CABO	Common Stock, par value $0.01	Tax liability	-2.28%			-156	6,698	02 Feb 2026	Direct
Todd M. Koetje	CABO	Common Stock, par value $0.01	Award	47.2%			2,198	6,854	02 Feb 2026	Direct
Margaret Masoner Detz	CABO	Common Stock, par value $0.01	Award	34.8%			1,422	5,503	02 Feb 2026	Direct
Kenneth E. Johnson	CABO	Common Stock, par value $0.01	Tax liability	-0.93%			-70	7,464	02 Feb 2026	Direct
Kenneth E. Johnson	CABO	Common Stock, par value $0.01	Award	22%			1,357	7,534	02 Feb 2026	Direct
Anthony John Mokry	CABO	Common Stock, par value $0.01	Tax liability	-13.3%			-250	1,624	03 Jan 2026	Direct
Anthony John Mokry	CABO	Phantom PSUs	Award				7,488	7,488	03 Jan 2026	Direct
Anthony John Mokry	CABO	Phantom RSUs	Award				4,992	4,992	03 Jan 2026	Direct
Christopher J. Arntzen	CABO	Common Stock, par value $0.01	Tax liability	-7.88%			-161	1,883	03 Jan 2026	Direct
Christopher J. Arntzen	CABO	Phantom PSUs	Award				7,488	7,488	03 Jan 2026	Direct
Christopher J. Arntzen	CABO	Phantom RSUs	Award				4,992	4,992	03 Jan 2026	Direct
Todd M. Koetje	CABO	Common Stock, par value $0.01	Tax liability	-8.27%			-420	4,656	03 Jan 2026	Direct
Todd M. Koetje	CABO	Phantom PSUs	Award				11,520	11,520	03 Jan 2026	Direct
Todd M. Koetje	CABO	Phantom RSUs	Award				7,680	7,680	03 Jan 2026	Direct
Kenneth E. Johnson	CABO	Common Stock, par value $0.01	Tax liability	-6.32%			-417	6,177	03 Jan 2026	Direct
Kenneth E. Johnson	CABO	Phantom PSUs	Award				13,824	13,824	03 Jan 2026	Direct
Kenneth E. Johnson	CABO	Phantom RSUs	Award				9,216	9,216	03 Jan 2026	Direct
Margaret Masoner Detz	CABO	Phantom PSUs	Award				7,488	7,488	03 Jan 2026	Direct
Margaret Masoner Detz	CABO	Phantom RSUs	Award				4,992	4,992	03 Jan 2026	Direct
Christopher J. Arntzen	CABO	Common Stock, par value $0.01	Tax liability	-0.92%			-19	2,044	01 Oct 2025	Direct
Christopher J. Arntzen	CABO	Common Stock, par value $0.01	Tax liability	-4.31%			-93	2,063	01 Aug 2025	Direct
Katharine B. Weymouth	CABO	Common Stock, par value $0.01	Purchase	7%	$19,632	$130.88	150	2,294	16 Jun 2025	Direct
Wallace R. Weitz	CABO	Common Stock, par value $0.01	Purchase	69%	$927,713	$132.53	7,000	17,140	13 Jun 2025	Direct
Margaret Masoner Detz	CABO	Common Stock, par value $0.01	Purchase	7.93%	$39,684	$132.28	300	4,081	12 Jun 2025	Direct
Mary E. Meduski	CABO	Common Stock, par value $0.01	Purchase	7.46%	$37,000	$148.00	250	3,599	11 Jun 2025	Direct
Deborah J. Kissire	CABO	Common Stock, par value $0.01	Award	39.6%			941	3,318	15 May 2025	Direct
Mary E. Meduski	CABO	Common Stock, par value $0.01	Award	99.4%			1,669	3,349	15 May 2025	Direct
Wallace R. Weitz	CABO	Common Stock, par value $0.01	Award	18%			1,548	10,140	15 May 2025	Direct
P. Robert Bartolo	CABO	Common Stock, par value $0.01	Award	163.6%			941	1,516	15 May 2025	Direct
Brad D. Brian	CABO	Common Stock, par value $0.01	Award	53%			1,487	4,290	15 May 2025	Direct
Katharine B. Weymouth	CABO	Common Stock, par value $0.01	Award	78.2%			941	2,144	15 May 2025	Direct
Sherrese M. Smith	CABO	Common Stock, par value $0.01	Award	107.2%			1,487	2,874	15 May 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.