Insider Transactions Reported by 25 Insiders of COMSCORE, INC.

Symbol: SCOR on Nasdaq
Location: Reston, VA

Quick Takeaways

SCOR - COMSCORE, INC. has 25 insiders with reported activity on this page.
Net insider value flow over the last year: -$121,856.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: ; sell value: $121,856.
Net share flow: -17,843.

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.

Official SEC Source

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 selling over the last 12 months. Net value: -$121,856.

Buys

Shares: 0

Insiders: 0

Sells

$121,856

Shares: 17,843

Insiders: 1

Net

-$121,856

Shares: -17,843

Insiders: -1

Window (months)	Sell shares	Buy $	Sell $	Net $
0-3	0	$0	$0	$0
3-6	17,843	$0	$121,856	-$121,856
6-9	0	$0	$0	$0
9-12	0	$0	$0	$0

COMSCORE, INC. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Cerberus Capital Management, L.P.	Director, 10%+ Owner	$102,257,377			Mixed	29 Dec 2025
CHARTER COMMUNICATIONS, INC. /MO/	10%+ Owner	$102,072,817			Mixed	29 Dec 2025
Liberty Broadband Corp	Director, 10%+ Owner	$101,443,390			Mixed	29 Dec 2025
William Paul Livek	Director	$1,371,636	-$121,856	-8.2%	Mixed	14 Nov 2025
Matthew F. McLaughlin	Director	$1,076,214			Mixed	01 Jul 2025
Brent D. Rosenthal	Director	$734,522			Mixed	12 Jun 2024
Itzhak Fisher	Director	$470,631			Mixed	29 Dec 2025
Kathleen Love	Director	$444,524			Mixed	01 Jul 2024
180 DEGREE CAPITAL CORP. /NY/	Other*	$411,477			Filing P/S	03 Apr 2024
Martin Edward Patterson	Director	$409,433			Mixed	29 Dec 2025
Nana Banerjee	Director	$388,424			Mixed	29 Dec 2025
Leslie Gillin	Director	$372,829			Mixed	29 Dec 2025
Brian J. Wendling	Director	$367,011			Mixed	01 Jul 2025
Irwin Gotlieb	Director	$319,881			Mixed	15 Jun 2022
David Algranati	Chief Innovation Officer	$215,500			Mixed	10 Mar 2024
Jonathan Carpenter	Chief Executive Officer, Director	$172,417			Mixed	29 Nov 2024
Wilson Christopher T.	Chief Commercial Officer	$115,362			Mixed	20 May 2022
Dale Gregory T.	Chief Operating Officer	$80,300			Mixed	24 Aug 2022
Stephen Bagdasarian	Chief Commercial Officer	$70,567			Mixed	26 Sep 2025
Gregory A. Fink	Chief Financial Officer	$31,078			Mixed	15 May 2021
Mary Margaret Curry	Chief Financial Officer and Treasurer	$26,913			Filing P/S	17 Aug 2023
QVC Group, Inc.	Director, 10%+ Owner				Mixed	16 May 2023
Jeffrey Barratt Murphy	Director				Mixed	03 Apr 2024
Robert Clarence Davenport	Director				Mixed	29 Dec 2025
WPP plc	Former 10% Owner				Mixed	31 Dec 2025

Top shareholders of COMSCORE, 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
Cerberus Capital Management, L.P.	3/4/5 13F	Director, 10%+ Owner · Company	23% from 13F	7,625,100 mixed-class rows	$102,257,377	—	29 Dec 2025	3/4/5 13F
CHARTER COMMUNICATIONS, INC. /MO/	3/4/5 13D/G	10%+ Owner · Charter Communications, Inc.	40% from 13D/G	7,580,235 mixed-class rows	$102,072,817	—	29 Dec 2025	3/4/5 13D/G
Liberty Broadband Corp	3/4/5 13D/G	Director, 10%+ Owner · Liberty Broadband Corporation	39% from 13D/G	7,510,446 mixed-class rows	$101,443,390	—	29 Dec 2025	3/4/5 13D/G
Pine Investor, LLC	13D/G	—	40%	7,628,953	$52,410,907	+$39,834,829	29 Dec 2025	13D/G
WESTERLY CAPITAL MANAGEMENT, LLC	13F 13D/G	Company	9.4% from 13D/G	470,000	$3,055,000	—	31 Dec 2025	13F 13D/G
Irrevocable Larson Family Investment Trust	13D/G	—	5.8%	284,146	$1,952,083	-$41,220	23 Jan 2025	13D/G
Mount Logan Capital Inc.	13D/G	—	1.7%	250,669	$1,722,096	-$1,029,002	31 Dec 2025	13D/G
William Paul Livek	3/4/5	Director	— mixed-class rows	197,473 mixed-class rows	$1,371,636	-$121,856	14 Nov 2025	3/4/5
VANGUARD GROUP INC	13F	Company	1.2%	172,729	$1,122,739	—	31 Dec 2025	13F
Matthew F. McLaughlin	3/4/5	Director	— mixed-class rows	145,739 mixed-class rows	$1,076,214	—	01 Jul 2025	3/4/5
CLUNE & ASSOCIATES, LTD.	13F	Company	0.86%	126,656	$823,264	—	31 Dec 2025	13F
Beartown Capital Management, LLC	13F	Company	0.86%	126,207	$820,346	—	31 Dec 2025	13F
Brent D. Rosenthal	3/4/5	Director	— class O/S missing	54,897	$734,522	—	12 Jun 2024	3/4/5
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.57%	84,079	$545,000	—	31 Dec 2025	13F
Itzhak Fisher	3/4/5	Director	0.32%	47,590 mixed-class rows	$470,631	—	29 Dec 2025	3/4/5
Kathleen Love	3/4/5	Director	— mixed-class rows	33,223 mixed-class rows	$444,524	—	01 Jul 2024	3/4/5
180 DEGREE CAPITAL CORP. /NY/	3/4/5	Other*	— class O/S missing	27,542	$411,477	—	03 Apr 2024	3/4/5
Martin Edward Patterson	3/4/5	Director	0.26%	38,682 mixed-class rows	$409,433	—	29 Dec 2025	3/4/5
Nana Banerjee	3/4/5	Director	0.24%	35,624 mixed-class rows	$388,424	—	29 Dec 2025	3/4/5
Leslie Gillin	3/4/5	Director	0.23%	33,354 mixed-class rows	$372,829	—	29 Dec 2025	3/4/5
Brian J. Wendling	3/4/5	Director	— mixed-class rows	42,507 mixed-class rows	$367,011	—	01 Jul 2025	3/4/5
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.36%	52,929	$344,103	—	31 Dec 2025	13F
Irwin Gotlieb	3/4/5	Director	— class O/S missing	438,193	$319,881	—	15 Jun 2022	3/4/5
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.28%	41,721	$271,187	—	31 Dec 2025	13F
BlackRock, Inc.	13F	Company	0.26%	38,972	$253,319	—	31 Dec 2025	13F
David Algranati	3/4/5	Chief Innovation Officer	— class O/S missing	12,595	$215,500	—	10 Mar 2024	3/4/5
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.19%	27,772	$180,518	—	31 Dec 2025	13F
Jonathan Carpenter	3/4/5	Chief Executive Officer, Director	— class O/S missing	24,148	$172,417	—	29 Nov 2024	3/4/5
Byrne Asset Management LLC	13F	Company	0.4%	20,100	$130,650	—	31 Dec 2025	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.13%	19,458	$126,477	—	31 Dec 2025	13F
Wilson Christopher T.	3/4/5	Chief Commercial Officer	— class O/S missing	158,030	$115,362	—	20 May 2022	3/4/5
STATE STREET CORP	13F	Company	0.09%	13,304	$86,476	—	31 Dec 2025	13F
Dale Gregory T.	3/4/5	Chief Operating Officer	— mixed-class rows	270,000 mixed-class rows	$80,300	—	24 Aug 2022	3/4/5
Stephen Bagdasarian	3/4/5	Chief Commercial Officer	— mixed-class rows	7,315 mixed-class rows	$70,567	—	26 Sep 2025	3/4/5
Covestor Ltd	13F	Company	0.07%	10,376	$67,000	—	31 Dec 2025	13F
Gregory A. Fink	3/4/5	Chief Financial Officer	— class O/S missing	42,572	$31,078	—	15 May 2021	3/4/5
Mary Margaret Curry	3/4/5	Chief Financial Officer and Treasurer	— class O/S missing	36,867	$26,913	—	17 Aug 2023	3/4/5
PNC FINANCIAL SERVICES GROUP, INC.	13F	Company	0.01%	1,638	$10,647	—	31 Dec 2025	13F
UBS Group AG	13F	Company	0%	435	$2,828	—	31 Dec 2025	13F
Tower Research Capital LLC (TRC)	13F	Company	0%	153	$994	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	0%	106	$689	—	31 Dec 2025	13F
Activest Wealth Management	13F	Company	0%	100	$650	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0%	91	$591	—	31 Dec 2025	13F
RHUMBLINE ADVISERS	13F	Company	0%	65	$422	—	31 Dec 2025	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	0%	10	$65	—	31 Dec 2025	13F
WELLS FARGO & COMPANY/MN	13F	Company	0%	10	$65	—	31 Dec 2025	13F
OSAIC HOLDINGS, INC.	13F	Company	0%	1	$7	—	31 Dec 2025	13F
SBI Securities Co., Ltd.	13F	Company	0%	1	$7	—	31 Dec 2025	13F

Recent Insider Transactions by Companies or Individuals for COMSCORE, 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
Cerberus Capital Management, L.P.	SCOR	Common Stock	Award	2997.4%			3,286,825	3,396,479	29 Dec 2025	See Footnote
Cerberus Capital Management, L.P.	SCOR	Restricted Stock Units	Award				5,000	5,000	29 Dec 2025	See Footnote(2),
Cerberus Capital Management, L.P.	SCOR	Series C Convertible Preferred Stock	Award				4,223,621	4,223,621	29 Dec 2025	See Footnote
Cerberus Capital Management, L.P.	SCOR	Series B Convertible Preferred Stock	Disposed to Issuer	-100%			-31,928,301	0	29 Dec 2025	See Footnote
Itzhak Fisher	SCOR	Common Stock	Options Exercise	30.3%			10,000	43,007	29 Dec 2025	Direct
Itzhak Fisher	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,000	0	29 Dec 2025	Direct
Nana Banerjee	SCOR	Common Stock	Options Exercise	39%			10,000	35,624	29 Dec 2025	Direct
Nana Banerjee	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,000	0	29 Dec 2025	Direct
Leslie Gillin	SCOR	Common Stock	Options Exercise	42.8%			10,000	33,354	29 Dec 2025	Direct
Leslie Gillin	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,000	0	29 Dec 2025	Direct
Martin Edward Patterson	SCOR	Common Stock	Options Exercise	34.9%			10,000	38,682	29 Dec 2025	Direct
Martin Edward Patterson	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,000	0	29 Dec 2025	Direct
Charter Communications, Inc. /Mo/	SCOR	Common Stock	Award	6601.5%			3,286,825	3,336,614	29 Dec 2025	See Footnote
Charter Communications, Inc. /Mo/	SCOR	Series C Convertible Preferred Stock	Award				4,223,621	4,223,621	29 Dec 2025	See Footnote
Charter Communications, Inc. /Mo/	SCOR	Series B Convertible Preferred Stock	Disposed to Issuer	-100%			-31,928,301	0	29 Dec 2025	See Footnote
Liberty Broadband Corp	SCOR	Common Stock	Award				3,286,825	3,286,825	29 Dec 2025	Direct
Liberty Broadband Corp	SCOR	Series C Convertible Preferred Stock	Award				4,223,621	4,223,621	29 Dec 2025	Direct
Liberty Broadband Corp	SCOR	Series B Convertible Preferred Stock	Disposed to Issuer	-100%			-31,928,301	0	29 Dec 2025	Direct
William Paul Livek	SCOR	Common Stock	Sale	-5.02%	$64,845	$6.55	-9,900	187,473	14 Nov 2025	Direct
William Paul Livek	SCOR	Common Stock	Sale	-1%	$13,723	$6.85	-2,002	197,373	12 Nov 2025	Direct
William Paul Livek	SCOR	Common Stock	Sale	-1.84%	$26,589	$7.12	-3,735	199,375	11 Nov 2025	Direct
William Paul Livek	SCOR	Common Stock	Sale	-1.07%	$16,699	$7.57	-2,206	203,110	10 Nov 2025	Direct
Stephen Bagdasarian	SCOR	Common Stock	Tax liability	-5.69%			-366	6,065	26 Sep 2025	Direct
Stephen Bagdasarian	SCOR	Common Stock	Options Exercise	24.1%			1,250	6,431	26 Sep 2025	Direct
Stephen Bagdasarian	SCOR	Restricted Stock Units	Options Exercise	-50%			-1,250	1,250	26 Sep 2025	Direct
Charter Communications, Inc. /Mo/	SCOR	Restricted Stock Units	Award				20,000	20,000	01 Jul 2025	See Footnote
Itzhak Fisher	SCOR	Restricted Stock Units	Award				10,000	10,000	01 Jul 2025	Direct
Brian J. Wendling	SCOR	Restricted Stock Units	Award				10,000	10,000	01 Jul 2025	Direct
William Paul Livek	SCOR	Restricted Stock Units	Award				10,000	10,000	01 Jul 2025	Direct
Matthew F. McLaughlin	SCOR	Restricted Stock Units	Award				10,000	10,000	01 Jul 2025	Direct
Martin Edward Patterson	SCOR	Restricted Stock Units	Award				10,000	10,000	01 Jul 2025	Direct
Nana Banerjee	SCOR	Restricted Stock Units	Award				10,000	10,000	01 Jul 2025	Direct
Leslie Gillin	SCOR	Restricted Stock Units	Award				10,000	10,000	01 Jul 2025	Direct
Brian J. Wendling	SCOR	Common Stock	Options Exercise	49.3%			10,739	32,507	17 Jun 2025	Direct
Brian J. Wendling	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,739	0	17 Jun 2025	Direct
Matthew F. McLaughlin	SCOR	Common Stock	Options Exercise	8.59%			10,739	135,739	17 Jun 2025	Direct
Matthew F. McLaughlin	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,739	0	17 Jun 2025	Direct
Martin Edward Patterson	SCOR	Common Stock	Options Exercise	59.8%			10,739	28,682	17 Jun 2025	Direct
Martin Edward Patterson	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,739	0	17 Jun 2025	Direct
William Paul Livek	SCOR	Common Stock	Options Exercise	5.52%			10,739	205,316	17 Jun 2025	Direct
William Paul Livek	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,739	0	17 Jun 2025	Direct
Leslie Gillin	SCOR	Common Stock	Options Exercise	85.1%			10,739	23,354	17 Jun 2025	Direct
Leslie Gillin	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,739	0	17 Jun 2025	Direct
Itzhak Fisher	SCOR	Common Stock	Options Exercise	48.2%			10,739	33,007	17 Jun 2025	Direct
Itzhak Fisher	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,739	0	17 Jun 2025	Direct
Nana Banerjee	SCOR	Common Stock	Options Exercise	72.2%			10,739	25,624	17 Jun 2025	Direct
Nana Banerjee	SCOR	Restricted Stock Units	Options Exercise	-100%			-10,739	0	17 Jun 2025	Direct
Charter Communications, Inc. /Mo/	SCOR	Common Stock	Options Exercise	75.9%			21,478	49,789	17 Jun 2025	Direct
Charter Communications, Inc. /Mo/	SCOR	Restricted Stock Units	Options Exercise	-100%			-21,478	0	17 Jun 2025	See Footnote
Stephen Bagdasarian	SCOR	Common Stock	Tax liability	-12.3%			-726	5,181	06 Jun 2025	Direct

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