Liberty Broadband Corp - 29 Dec 2025 Form 4 Insider Report for COMSCORE, INC. (SCOR)

Role: Director, 10%+ Owner
Signature: Liberty Broadband Corporation. By: /s/ Craig Troyer. Name: Craig Troyer, Title: Senior Vice President
Issuer symbol: SCOR
Transactions as of: 29 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 31 Dec 2025, 16:08:22 UTC
Previous filing: 11 Dec 2025
Next filing: 14 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Liberty Broadband Corp	Director, 10%+ Owner	12300 LIBERTY, BOULEVARD, ENGLEWOOD	Liberty Broadband Corporation. By: /s/ Craig Troyer. Name: Craig Troyer, Title: Senior Vice President	31 Dec 2025	0001611983

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SCOR	Common Stock	Award		+3,286,825			3,286,825	29 Dec 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SCOR	Series B Convertible Preferred Stock	Disposed to Issuer		-31,928,301	-100%		0	29 Dec 2025	Common Stock	1,717,072		Direct	F1, F2
transaction	SCOR	Series C Convertible Preferred Stock	Award		+4,223,621			4,223,621	29 Dec 2025	Common Stock	4,223,621		Direct	F1, F3

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

Explanation of Responses:

Id	Content
F1	On December 29, 2025, pursuant to a Stock Exchange Agreement, dated September 26, 2025, between the Issuer and the Reporting Person, the Reporting Person exchanged the 31,928,301 shares of Series B Convertible Preferred Stock of the Issuer then owned by the Reporting Person for (i) 4,223,621 shares of a new series of convertible preferred stock designated as Series C Convertible Preferred Stock and (ii) 3,286,825 shares of Common Stock.
F2	Subject to certain antidilution adjustments and customary provisions related to partial dividend periods, the Series B Convertible Preferred Stock is convertible at the option of the holders at any time into a number of shares of Common Stock equal to the Conversion Rate (as defined in the Certificate of Designations for the Series B Convertible Preferred Stock), which was originally one-to-one, but was approximately 0.053779 including accrued dividends as of December 29, 2025. As of December 29, 2025, the shares of Series B Convertible Preferred Stock reported herein were convertible into 1,717,072 shares of Common Stock.
F3	As of December 29, 2025, the shares of Series C Convertible Preferred Stock reported herein are convertible into 4,223,621 shares of Common Stock. Subject to certain antidilution adjustments, the Series C Convertible Preferred Stock is convertible at the option of the holders at any time into a number of shares of Common Stock equal to the Conversion Rate (as defined in the Certificate of Designations for the Series C Convertible Preferred Stock), which is originally one-to-one. The Series C Convertible Preferred Stock has no expiration date.