SEC Form 4 · Updated Daily
SCOR
— COMSCORE, INC. OwnershipInsider 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.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| WPP plc | 10%+ Owner | 11,289,364 | 2016-09-08 | P |
| Cavendish Square Holding B.V. | 10%+ Owner | 11,289,364 | 2016-09-08 | P |
| CHARTER COMMUNICATIONS HOLDINGS LLC | 10%+ Owner | 6,582,008 | 2026-08-19 | J |
| CHARTER COMMUNICATIONS, INC. /MO/ | 10%+ Owner | 6,582,008 | 2026-08-19 | J |
| CCH II 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 Holding Company, LLC | 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 |
| LIVEK WILLIAM PAUL | Director | 217,473 | 2026-08-28 | P |
| McLaughlin Matthew F. | Director · Officer | 185,739 | 2026-09-08 | P |
| FISHER ITZHAK | Director | 43,007 | 2025-12-29 | M |
| Wendling Brian J | Officer | 42,507 | 2026-06-16 | M |
| Patterson Martin Edward | Officer | 38,682 | 2025-12-29 | M |
| Banerjee Nana | Director | 35,624 | 2025-12-29 | M |
| Gillin Leslie | Director | 33,354 | 2025-12-29 | M |
| Bagdasarian Stephen | Officer | 7,814 | 2026-06-06 | F |
| Kline David | Director | 7,000 | 2026-08-20 | P |
| Liberty Broadband Corp | 10%+ Owner · Director | 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 |
| 2026-07-01 | 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 |
| 2026-06-16 | McLaughlin Matthew F. | Grant / award (derivative) | 303,030 | $0.00 | 303,030 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.