- 19 Aug 2026 Form 4 Insider Report for COMSCORE, INC. (SCOR)

Reporting relationship: 10%+ Owner
Issuer ticker: SCOR
Reported as of: 19 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 Aug 2026, 17:25:12 UTC
Prior SEC filing: 06 Jul 2026
Source filing: View source filing
Reporting owner signature: Charter Communications, Inc. By: Jessica M. Fischer, Chief Financial Officer /s/ Jessica M. Fischer

Key filing fact

CHARTER COMMUNICATIONS, INC. /MO/ filed Form 4 for COMSCORE, INC. (SCOR) on 21 Aug 2026.

Key facts

This page summarizes CHARTER COMMUNICATIONS, INC. /MO/'s Form 4 filing for COMSCORE, INC. (SCOR).
2 reported transactions and 5 derivative rows are listed below.
Accepted by SEC: 21 Aug 2026, 17:25.

Change

Previous filing in this sequence was filed on 06 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (5)

CIK 0001091667 Primary reporting owner

CHARTER COMMUNICATIONS, INC. /MO/

Relationship: 10%+ Owner
Address: 400 WASHINGTON BLVD., STAMFORD
Signature: Charter Communications, Inc. By: Jessica M. Fischer, Chief Financial Officer /s/ Jessica M. Fischer
Signature date: 21 Aug 2026

CIK 0001850981

Charter Communications Holding Company, LLC

Relationship: 10%+ Owner
Address: 12405 POWERSCOURT DRIVE, ST. LOUIS
Signature: Charter Communications Holding Company, LLC By: Jessica M. Fischer, Chief Financial Officer /s/ Jessica M. Fischer
Signature date: 21 Aug 2026

CIK 0001377013

SPECTRUM MANAGEMENT HOLDING COMPANY, LLC

Relationship: 10%+ Owner
Address: 12405 POWERSCOURT DRIVE, ST. LOUIS
Signature: Spectrum Management Holding Company, LLC By: Jessica M. Fischer, Chief Financial Officer /s/ Jessica M. Fischer
Signature date: 21 Aug 2026

CIK 0001085476

CHARTER COMMUNICATIONS HOLDINGS LLC

Relationship: 10%+ Owner
Address: 12405 POWERSCOURT DRIVE, ST. LOUIS
Signature: Charter Communications Holdings, LLC By: Jessica M. Fischer, Chief Financial Officer /s/ Jessica M. Fischer
Signature date: 21 Aug 2026

CIK 0001266604

CCH II LLC

Relationship: 10%+ Owner
Address: 12405 POWERSCOURT DRIVE, ST. LOUIS
Signature: CCH II, LLC By: Jessica M. Fischer, Chief Financial Officer /s/ Jessica M. Fischer
Signature date: 21 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SCOR transaction

Common Stock

Other

Transaction value
Shares: +3,286,825
Change %: +100%
Price
Shares after: 6,582,008
Date: 19 Aug 2026
Ownership: See Footnote
Footnotes: F1, F2

SCOR transaction

Common Stock

Other

Transaction value
Shares: +3,286,825
Change %: +100%
Price
Shares after: 6,582,008
Date: 19 Aug 2026
Ownership: See Footnote
Footnotes: F1, F2

SCOR transaction

Common Stock

Other

Transaction value
Shares: +3,286,825
Change %: +100%
Price
Shares after: 6,582,008
Date: 19 Aug 2026
Ownership: See Footnote
Footnotes: F1, F2

SCOR transaction

Common Stock

Other

Transaction value
Shares: +3,286,825
Change %: +100%
Price
Shares after: 6,582,008
Date: 19 Aug 2026
Ownership: See Footnote
Footnotes: F1, F2

SCOR transaction

Common Stock

Other

Transaction value
Shares: +3,286,825
Change %: +100%
Price
Shares after: 6,582,008
Date: 19 Aug 2026
Ownership: See Footnote
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SCOR transaction Derivative

Series C Convertible Preferred Stock

Other

Transaction value
Shares: +4,223,621
Change %: +100%
Price
Shares after: 8,447,242
Date: 19 Aug 2026
Ownership: See Footnote
Underlying class: Class A Common Stock
Underlying amount: 4,223,621
Exercise price
Footnotes: F1, F2, F3

SCOR transaction Derivative

Series C Convertible Preferred Stock

Other

Transaction value
Shares: +4,223,621
Change %: +100%
Price
Shares after: 8,447,242
Date: 19 Aug 2026
Ownership: See Footnote
Underlying class: Class A Common Stock
Underlying amount: 4,223,621
Exercise price
Footnotes: F1, F2, F3

SCOR transaction Derivative

Series C Convertible Preferred Stock

Other

Transaction value
Shares: +4,223,621
Change %: +100%
Price
Shares after: 8,447,242
Date: 19 Aug 2026
Ownership: See Footnote
Underlying class: Class A Common Stock
Underlying amount: 4,223,621
Exercise price
Footnotes: F1, F2, F3

SCOR transaction Derivative

Series C Convertible Preferred Stock

Other

Transaction value
Shares: +4,223,621
Change %: +100%
Price
Shares after: 8,447,242
Date: 19 Aug 2026
Ownership: See Footnote
Underlying class: Class A Common Stock
Underlying amount: 4,223,621
Exercise price
Footnotes: F1, F2, F3

SCOR transaction Derivative

Series C Convertible Preferred Stock

Other

Transaction value
Shares: +4,223,621
Change %: +100%
Price
Shares after: 8,447,242
Date: 19 Aug 2026
Ownership: See Footnote
Underlying class: Class A Common Stock
Underlying amount: 4,223,621
Exercise price
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

On August 19, 2026, as a result of the Combination (as defined in the Remarks section), Charter (as defined in the Remarks section) acquired Liberty Broadband (as defined in the Remarks section), and as a result of the Combination, Charter became the beneficial owner of all the shares of Common Stock and Series C Convertible Preferred Stock that were beneficially owned by Liberty Broadband.

Footnote F2

Charter Communications Holding Company, LLC ("HoldCo") is the record holder of the reported shares. Spectrum Management Holding Company, LLC ("Spectrum Management") is the controlling parent company of HoldCo. Charter Communications Holdings, LLC ("Holdings") is the controlling parent company of Spectrum Management. CCH II, LLC ("CCH II") is the controlling parent company of Holdings. Charter is the controlling parent company of CCH II.

Footnote F3

Shares of Series C Convertible Preferred Stock are convertible at the option of the holder at any time into the number of shares of Common Stock equal to the conversion rate (as defined in the Certificate of Designations of the Series C Convertible Preferred Stock). Pursuant to the Certificate of Designations of the Series C Convertible Preferred Stock, no holder of Series C Convertible Preferred Stock may convert Series C Convertible Preferred Stock in an amount that would cause such holder to beneficially own over immediately following such conversion more than 49.99% of the then outstanding shares of Common Stock. Upon conversion, the holder will receive cash in lieu of fractional shares (if any) and shall fully participate, on an as-converted basis, in any dividends declared and paid or distributions on the Common Stock as if the Series C Preferred Stock were converted. Shares of Series C Convertible Preferred Stock have no expiration date.

SEC remarks

Pursuant to the Agreement and Plan of Merger, dated as of November 12, 2024 (the "Merger Agreement"), by and among Liberty Broadband Corporation ("Liberty Broadband"), Charter Communications, Inc. ("Charter"), Fusion Merger Sub 1, LLC, a Delaware limited liability company and wholly owned direct subsidiary of Charter ("Merger LLC"), and Fusion Merger Sub 2, Inc., a Delaware corporation and wholly owned direct subsidiary of Merger LLC ("Merger Sub"), on August 19, 2026, Merger Sub merged with and into Liberty Broadband (the "Merger"), with Liberty Broadband surviving the Merger as a wholly owned subsidiary of Merger LLC, and immediately following the Merger, Liberty Broadband (as the surviving corporation in the Merger) merged with and into Merger LLC (the "Upstream Merger," and together with the Merger, the "Combination"), with Merger LLC surviving the Upstream Merger as the surviving company and a wholly owned subsidiary of Charter.