SEC Form 4 · Updated Daily

SCOR

— COMSCORE, INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
Cavendish Square Holding B.V.	10%+ Owner	11,289,364	2016-09-08	P
WPP GROUP PLC	10%+ Owner	11,289,364	2016-09-08	P
CHARTER COMMUNICATIONS HOLDINGS LLC	10%+ Owner	6,582,008	2026-08-19	J
CCH II LLC	10%+ Owner	6,582,008	2026-08-19	J
Charter Communications Holding Company, LLC	10%+ Owner	6,582,008	2026-08-19	J
SPECTRUM MANAGEMENT HOLDING COMPANY, LLC	10%+ Owner	6,582,008	2026-08-19	J
CHARTER COMMUNICATIONS, INC. /MO/	10%+ Owner	6,582,008	2026-08-19	J
WPP Luxembourg Gamma Three S.a.r.l.	10%+ Owner	3,493,572	2016-01-29	J
Cerberus Capital Management, L.P.	10%+ Owner · Director	3,417,940	2026-07-01	A
Pine Investor, LLC	10%+ Owner · Director	3,417,940	2026-07-01	A
JP MORGAN PARTNERS BHCA LP	10%+ Owner	1,744,338	2007-07-02	S
JPMP MASTER FUND MANAGER L P	10%+ Owner	1,744,338	2007-07-02	S
JPMP CAPITAL CORP.	10%+ Owner	1,744,338	2007-07-02	S
CVCA, LLC	10%+ Owner	1,744,338	2007-07-02	S
Berman Thomas D	Reporting Owner	1,587,587	2008-05-29	S
WILSON FREDERICK R	Director	575,998	2008-02-12	S
Gotlieb Irwin	Director	438,193	2022-06-15	M
CHEMEROW DAVID I.	Director	248,661	2017-08-05	M
LIVEK WILLIAM PAUL	Director	217,473	2026-08-28	P
McLaughlin Matthew F.	Director · Officer	185,739	2026-09-08	P
Wilson Christopher T	Officer	158,030	2022-05-20	S
KERREST JACQUES	Director	145,002	2021-03-10	A
Martin John K	Director	134,954	2021-03-10	A
Green John M	Officer	125,610	2009-05-18	A
FULGONI GIAN	Director	109,553	2017-11-13	M
Lin Christiana L	Officer	84,492	2016-03-15	F
Matta Serge	Director · Officer	82,163	2016-03-15	F
Karrat Thomas	Officer	80,000	2012-03-15	A
Meierhoefer Cameron	Officer	77,682	2017-02-18	M
Dale Gregory T	Officer	74,504	2012-02-18	F
WIENER BRYAN	Director	70,576	2019-03-01	M
Tarpey Kenneth	Officer	69,441	2014-08-15	M
DiBattiste Carol A	Officer	67,398	2020-03-01	M
Brown Michael Andrew	Officer	57,439	2017-02-18	M
Rosenthal Brent D	Director	54,897	2024-06-12	M
Engel William E	Director	53,546	2017-06-04	M
Abraham Magid M	Officer	52,442	2014-04-09	S
KORN RONALD J	Director	43,260	2015-07-21	A
FISHER ITZHAK	Director	43,007	2025-12-29	M
Fink Gregory A	Officer	42,986	2021-05-15	M
Wendling Brian J	Officer	42,507	2026-06-16	M
Patterson Martin Edward	Officer	38,682	2025-12-29	M
FULLER DALE L	Director	38,470	2019-11-13	P
Curry Mary Margaret	Officer	36,867	2023-08-17	P
Banerjee Nana	Director	35,624	2025-12-29	M
GOLDEN BRUCE	Director	34,935	2011-07-26	A
Gillin Leslie	Director	33,354	2025-12-29	M
GANEK JEFFREY	Director	31,175	2014-07-22	A
Katz William	Director	31,029	2015-07-21	A
HENDERSON WILLIAM J	Director	30,437	2015-07-21	A
Wesley Melvin III	Officer	28,473	2016-08-15	M
Rendino Kevin	Reporting Owner	27,542	2024-04-03	P
180 DEGREE CAPITAL CORP. /NY/	Reporting Owner	27,542	2024-04-03	P
MOHN JARL	Director	25,517	2013-07-23	A
Carpenter Jonathan	Director · Officer	24,148	2024-11-29	M
Love Kathleen	Director	22,484	2024-06-12	M
Hofstetter Sarah	Director	21,047	2019-03-01	M
Reilly Paul J	Director	17,630	2019-06-10	M
Michelle McKenna	Director	17,630	2019-03-07	M
PARIKH JASON	Officer	17,184	2013-09-04	S
HESS DANIEL	Officer	16,303	2019-03-22	S
Rostock Joseph R	Officer	14,553	2019-03-22	S
BREYER JAMES	Director	14,324	2010-11-03	J
SWARTZ JAMES R	10%+ Owner	14,324	2010-11-03	J
PATTERSON ARTHUR C	Director	14,324	2010-11-03	J
GOUW RANZETTA THERESIA	10%+ Owner	14,324	2010-11-03	J
ACCEL INTERNET FUND III ASSOCIATES LLC	10%+ Owner	14,324	2010-11-03	J
WAGNER J PETER	10%+ Owner	14,324	2010-11-03	J
ACCEL INVESTORS 99 LP	10%+ Owner	14,324	2010-11-03	J
ACCEL INTERNET FUND III LP	10%+ Owner	14,324	2010-11-03	J
ACCEL VII ASSOCIATES LLC	10%+ Owner	14,324	2010-11-03	J
ACCEL VII LP	10%+ Owner	14,324	2010-11-03	J
Liduena Pierre-Andre	Director	13,800	2021-04-05	—
ALGRANATI DAVID	Officer	13,486	2024-03-10	M
CHANG GARETH C C	Director	11,962	2013-02-18	A
Bagdasarian Stephen	Officer	8,540	2026-06-06	M
Kline David	Director	7,000	2026-08-20	P
Gottesman Patricia A.	Director	6,482	2016-01-29	—
Bradford K Joanne	Director	6,039	2019-06-10	M
Fradin Russell	Director	5,512	2015-07-21	A
Spencer Michelle	Officer	5,445	2017-10-01	M
Lewis Joan M	Director	3,668	2015-07-21	A
Nichols Wesley A.	Director	3,000	2017-10-03	—
NORMAN ROBERT D	Director	2,080	2018-06-05	A
Sharma Smriti	Officer	351	2026-08-11	—
Gersh Lisa	Director	0	2017-06-09	—
Frankel Stuart Brian	Director	0	2026-05-28	—
Davenport Robert Clarence	Director	0	2025-12-29	—
Bachmann Kathryn	Officer	0	2019-04-12	—
KAY DAVID B	Officer	0	2017-09-10	—
PEIREZ JOSHUA L	Director	0	2017-06-09	—
Susan Riley	Director	0	2017-06-09	—
Harris Mark R	Director	0	2017-06-09	—
Liberty Broadband Corp	10%+ Owner	0	2026-08-19	J

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2026-09-08	McLaughlin Matthew F.	Open-market buy	3,367	$5.19	185,739
2026-09-04	McLaughlin Matthew F.	Open-market buy	16,633	$5.06	182,372
2026-08-28	LIVEK WILLIAM PAUL	Open-market buy	20,000	$5.23	217,473
2026-08-26	McLaughlin Matthew F.	Open-market buy	20,000	$5.26	165,739
2026-08-20	Kline David	Open-market buy	7,000	$5.29	7,000
2026-08-20	Curry Mary Margaret	Grant / award (derivative)	60,000	$0.00	60,000
2026-08-20	Curry Mary Margaret	Grant / award (derivative)	60,000	$0.00	60,000
2026-08-20	Sharma Smriti	Grant / award (derivative)	60,000	$0.00	60,000
2026-08-20	Sharma Smriti	Grant / award (derivative)	60,000	$0.00	60,000
2026-08-19	Liberty Broadband Corp	J (derivative)	4,223,621	—	0
2026-08-19	Liberty Broadband Corp	J	3,286,825	—	0
2026-08-19	CCH II LLC	J (derivative)	4,223,621	—	8,447,242
2026-08-19	CCH II LLC	J	3,286,825	—	6,582,008
2026-08-19	CHARTER COMMUNICATIONS HOLDINGS LLC	J (derivative)	4,223,621	—	8,447,242
2026-08-19	CHARTER COMMUNICATIONS HOLDINGS LLC	J	3,286,825	—	6,582,008
2026-08-19	SPECTRUM MANAGEMENT HOLDING COMPANY, LLC	J (derivative)	4,223,621	—	8,447,242
2026-08-19	SPECTRUM MANAGEMENT HOLDING COMPANY, LLC	J	3,286,825	—	6,582,008
2026-08-19	Charter Communications Holding Company, LLC	J (derivative)	4,223,621	—	8,447,242
2026-08-19	Charter Communications Holding Company, LLC	J	3,286,825	—	6,582,008
2026-08-19	CHARTER COMMUNICATIONS, INC. /MO/	J (derivative)	4,223,621	—	8,447,242
2026-08-19	CHARTER COMMUNICATIONS, INC. /MO/	J	3,286,825	—	6,582,008
2026-08-11	Sharma Smriti	—	—	—	351
2026-07-01	LIVEK WILLIAM PAUL	Grant / award (derivative)	16,461	$0.00	16,461
2026-07-01	Kline David	Grant / award (derivative)	16,461	$0.00	16,461
2026-07-01	Wendling Brian J	Grant / award (derivative)	16,461	$0.00	16,461
2026-07-01	Frankel Stuart Brian	Grant / award (derivative)	17,294	$0.00	17,294
2026-07-01	Pine Investor, LLC	Grant / award	16,461	—	3,417,940
2026-07-01	Cerberus Capital Management, L.P.	Grant / award	16,461	—	3,417,940
2026-07-01	CCH II LLC	Grant / award (derivative)	16,461	$0.00	16,461
2026-07-01	CHARTER COMMUNICATIONS HOLDINGS LLC	Grant / award (derivative)	16,461	$0.00	16,461
2026-07-01	SPECTRUM MANAGEMENT HOLDING COMPANY, LLC	Grant / award (derivative)	16,461	$0.00	16,461
2026-07-01	Charter Communications Holding Company, LLC	Grant / award (derivative)	16,461	$0.00	16,461
2026-07-01	CHARTER COMMUNICATIONS, INC. /MO/	Grant / award (derivative)	16,461	$0.00	16,461
2026-06-16	LIVEK WILLIAM PAUL	Option exercise (derivative)	10,000	$0.00	0
2026-06-16	LIVEK WILLIAM PAUL	Option exercise	10,000	$0.00	197,473
2026-06-16	Wendling Brian J	Option exercise (derivative)	10,000	$0.00	0
2026-06-16	Wendling Brian J	Option exercise	10,000	$0.00	42,507
2026-06-16	McLaughlin Matthew F.	Option exercise (derivative)	10,000	$0.00	0
2026-06-16	McLaughlin Matthew F.	Option exercise	10,000	$0.00	145,739
2026-06-16	McLaughlin Matthew F.	Grant / award (derivative)	400,000	$0.00	400,000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.