SCOR

SEC source: 0001104659-25-125606 · tm2534563-1_4seq1.xml · nonDerivative · entry 1

Liberty Broadband Corp · CIK 0001611983 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,286,825

F1 · price: 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.

SEC source: 0001466605-25-000009 · wk-form4_1763419199.xml · nonDerivative · entry 1

LIVEK WILLIAM PAUL · CIK 0001466605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,473

F1 · shares: This sale represents the number of shares sold by the reporting person for tax and estate planning purposes. Following the last sale reported in this Form 4, the reporting person retains 91% of the securities that were reported in Table I as beneficially owned prior to the first sale on 11/10/2025.

F2 · price: The reported price on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.50 to $6.68 per share. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001466605-25-000007 · wk-form4_1763154483.xml · nonDerivative · entry 2

LIVEK WILLIAM PAUL · CIK 0001466605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 197,373

F1 · shares: Represents the number of shares sold by the reporting person for tax and estate planning purposes.

F3 · price: The reported price on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.93 to $7.11 per share. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001466605-25-000007 · wk-form4_1763154483.xml · nonDerivative · entry 1

LIVEK WILLIAM PAUL · CIK 0001466605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 197,441

F1 · shares: Represents the number of shares sold by the reporting person for tax and estate planning purposes.

F2 · price: The reported price on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.78 to $6.89 per share. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001466605-25-000005 · wk-form4_1762985678.xml · nonDerivative · entry 3

LIVEK WILLIAM PAUL · CIK 0001466605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 199,375

F1 · shares: Represents the number of shares sold by the reporting person for tax and estate planning purposes.

SEC source: 0001466605-25-000005 · wk-form4_1762985678.xml · nonDerivative · entry 2

LIVEK WILLIAM PAUL · CIK 0001466605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 202,275

F1 · shares: Represents the number of shares sold by the reporting person for tax and estate planning purposes.

F3 · price: The reported price on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.05 to $7.12 per share. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001466605-25-000005 · wk-form4_1762985678.xml · nonDerivative · entry 1

LIVEK WILLIAM PAUL · CIK 0001466605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 203,110

F1 · shares: Represents the number of shares sold by the reporting person for tax and estate planning purposes.

F2 · price: The reported price on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.50 to $7.70 per share. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0002000126-25-000007 · wk-form4_1759269761.xml · derivative · entry 3

Bagdasarian Stephen · CIK 0002000126 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: This restricted stock unit award was granted on 9/26/2022 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award vests in four equal annual installments beginning on 9/26/2023, subject to the reporting person's continuous service with the Company through each vesting date.

F3 · derivative.expiration_date: This restricted stock unit award was granted on 9/26/2022 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award vests in four equal annual installments beginning on 9/26/2023, subject to the reporting person's continuous service with the Company through each vesting date.

SEC source: 0002000126-25-000007 · wk-form4_1759269761.xml · nonDerivative · entry 2

Bagdasarian Stephen · CIK 0002000126 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,065

F2 · shares: These shares were withheld to fulfill tax withholding obligations associated with the vesting of restricted stock units on 9/26/2025. This was not an open market sale.

SEC source: 0002000126-25-000007 · wk-form4_1759269761.xml · nonDerivative · entry 1

Bagdasarian Stephen · CIK 0002000126 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,431

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001158172-25-000064 · wk-form4_1751572930.xml · derivative · entry 1

Gillin Leslie · CIK 0001862601 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $120,000 by $12. This represents a significant reduction in compensation compared to the Company's prior director compensation program, which prescribed dividing $170,000 by the closing market price of the common stock on the date of grant, which was $5.07. The Board of Directors elected to reduce the target compensation level and use the higher price in order to further align directors' interests with those of the Company's common stockholders.

SEC source: 0001091667-25-000119 · wk-form4_1751573360.xml · derivative · entry 1

CHARTER COMMUNICATIONS, INC. /MO/ · CIK 0001091667 · 10% owner

Charter Communications Holding Company, LLC · CIK 0001850981 · 10% owner

SPECTRUM MANAGEMENT HOLDING COMPANY, LLC · CIK 0001377013 · 10% owner

CHARTER COMMUNICATIONS HOLDINGS LLC · CIK 0001085476 · 10% owner

CCH II LLC · CIK 0001266604 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award ("Stock Award") was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the grantee's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award ("Stock Award") was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the grantee's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $120,000 by $12. This represents a significant reduction in compensation compared to the Company's prior director compensation program, which prescribed dividing $170,000 by the closing market price of the common stock on the date of grant, which was $5.07. The Board of Directors elected to reduce the target compensation level and use the higher price in order to further align directors' interests with those of the Company's common stockholders.

F4 · ownership.nature: David Kline and Jeffrey Barratt Murphy each assigned all their rights and interests in the Stock Award to Charter Communications Holding Company, LLC ("HoldCo"). 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 Communications, Inc. is the controlling parent company of CCH II.

SEC source: 0001158172-25-000070 · wk-form4_1751572998.xml · derivative · entry 1

FISHER ITZHAK · CIK 0001059953 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $120,000 by $12. This represents a significant reduction in compensation compared to the Company's prior director compensation program, which prescribed dividing $170,000 by the closing market price of the common stock on the date of grant, which was $5.07. The Board of Directors elected to reduce the target compensation level and use the higher price in order to further align directors' interests with those of the Company's common stockholders.

SEC source: 0001158172-25-000069 · wk-form4_1751572988.xml · derivative · entry 1

Wendling Brian J · CIK 0001663090 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $120,000 by $12. This represents a significant reduction in compensation compared to the Company's prior director compensation program, which prescribed dividing $170,000 by the closing market price of the common stock on the date of grant, which was $5.07. The Board of Directors elected to reduce the target compensation level and use the higher price in order to further align directors' interests with those of the Company's common stockholders.

SEC source: 0001158172-25-000068 · wk-form4_1751572978.xml · derivative · entry 1

LIVEK WILLIAM PAUL · CIK 0001466605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $120,000 by $12. This represents a significant reduction in compensation compared to the Company's prior director compensation program, which prescribed dividing $170,000 by the closing market price of the common stock on the date of grant, which was $5.07. The Board of Directors elected to reduce the target compensation level and use the higher price in order to further align directors' interests with those of the Company's common stockholders.

SEC source: 0001158172-25-000067 · wk-form4_1751572966.xml · derivative · entry 1

McLaughlin Matthew F. · CIK 0001853874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $120,000 by $12. This represents a significant reduction in compensation compared to the Company's prior director compensation program, which prescribed dividing $170,000 by the closing market price of the common stock on the date of grant, which was $5.07. The Board of Directors elected to reduce the target compensation level and use the higher price in order to further align directors' interests with those of the Company's common stockholders.

SEC source: 0001158172-25-000066 · wk-form4_1751572955.xml · derivative · entry 1

Patterson Martin Edward · CIK 0001848881 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $120,000 by $12. This represents a significant reduction in compensation compared to the Company's prior director compensation program, which prescribed dividing $170,000 by the closing market price of the common stock on the date of grant, which was $5.07. The Board of Directors elected to reduce the target compensation level and use the higher price in order to further align directors' interests with those of the Company's common stockholders.

SEC source: 0001158172-25-000065 · wk-form4_1751572945.xml · derivative · entry 1

Banerjee Nana · CIK 0001658784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2025-2026 director term, will vest in full on the earliest of (i) the date of the Company's 2026 annual meeting of stockholders, (ii) June 30, 2026, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $120,000 by $12. This represents a significant reduction in compensation compared to the Company's prior director compensation program, which prescribed dividing $170,000 by the closing market price of the common stock on the date of grant, which was $5.07. The Board of Directors elected to reduce the target compensation level and use the higher price in order to further align directors' interests with those of the Company's common stockholders.

SEC source: 0001158172-25-000041 · wk-form4_1750453329.xml · derivative · entry 2

Gillin Leslie · CIK 0001862601 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,739 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

SEC source: 0001158172-25-000041 · wk-form4_1750453329.xml · nonDerivative · entry 1

Gillin Leslie · CIK 0001862601 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,354

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001091667-25-000110 · wk-form4_1750450347.xml · derivative · entry 2

CHARTER COMMUNICATIONS, INC. /MO/ · CIK 0001091667 · 10% owner

Charter Communications Holding Company, LLC · CIK 0001850981 · 10% owner

SPECTRUM MANAGEMENT HOLDING COMPANY, LLC · CIK 0001377013 · 10% owner

CHARTER COMMUNICATIONS HOLDINGS LLC · CIK 0001085476 · 10% owner

CCH II LLC · CIK 0001266604 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 21,478 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award ("Stock Award") was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. The Stock Award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award ("Stock Award") was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. The Stock Award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · ownership.nature: David Kline and Jeffrey Barratt Murphy each assigned all their rights and interests in the Stock Award to Charter Communications Holding Company, LLC ("HoldCo"). 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 Communications, Inc. is the controlling parent company of CCH II.

SEC source: 0001091667-25-000110 · wk-form4_1750450347.xml · nonDerivative · entry 1

CHARTER COMMUNICATIONS, INC. /MO/ · CIK 0001091667 · 10% owner

Charter Communications Holding Company, LLC · CIK 0001850981 · 10% owner

SPECTRUM MANAGEMENT HOLDING COMPANY, LLC · CIK 0001377013 · 10% owner

CHARTER COMMUNICATIONS HOLDINGS LLC · CIK 0001085476 · 10% owner

CCH II LLC · CIK 0001266604 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,789

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001158172-25-000040 · wk-form4_1750453298.xml · derivative · entry 3

FISHER ITZHAK · CIK 0001059953 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,739 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

SEC source: 0001158172-25-000040 · wk-form4_1750453298.xml · nonDerivative · entry 1

FISHER ITZHAK · CIK 0001059953 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,007

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001158172-25-000045 · wk-form4_1750453425.xml · derivative · entry 2

Wendling Brian J · CIK 0001663090 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,739 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

SEC source: 0001158172-25-000045 · wk-form4_1750453425.xml · nonDerivative · entry 1

Wendling Brian J · CIK 0001663090 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,507

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001158172-25-000044 · wk-form4_1750453400.xml · derivative · entry 2

McLaughlin Matthew F. · CIK 0001853874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,739 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

SEC source: 0001158172-25-000044 · wk-form4_1750453400.xml · nonDerivative · entry 1

McLaughlin Matthew F. · CIK 0001853874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,739

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001158172-25-000043 · wk-form4_1750453381.xml · derivative · entry 2

Patterson Martin Edward · CIK 0001848881 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,739 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

SEC source: 0001158172-25-000043 · wk-form4_1750453381.xml · nonDerivative · entry 1

Patterson Martin Edward · CIK 0001848881 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,682

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001158172-25-000042 · wk-form4_1750453359.xml · derivative · entry 2

LIVEK WILLIAM PAUL · CIK 0001466605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,739 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

SEC source: 0001158172-25-000042 · wk-form4_1750453359.xml · nonDerivative · entry 1

LIVEK WILLIAM PAUL · CIK 0001466605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205,316

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001158172-25-000039 · wk-form4_1750453270.xml · derivative · entry 2

Banerjee Nana · CIK 0001658784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,739 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted on 7/1/2024 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, vested in full on 6/17/2025, the date of the Company's 2025 annual meeting of stockholders. Vested units are deferred and will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

SEC source: 0001158172-25-000039 · wk-form4_1750453270.xml · nonDerivative · entry 1

Banerjee Nana · CIK 0001658784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,624

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001158172-25-000031 · wk-form4_1749586086.xml · derivative · entry 3

Bagdasarian Stephen · CIK 0002000126 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,475

Underlying: Common Stock · 2,475 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: This restricted stock unit award was granted on 6/6/2023 pursuant to the terms of the Shareablee, Inc. 2013 Stock Option/Stock Issuance Plan, as amended. This award vests in three equal annual installments beginning on 6/6/2024, subject to the reporting person's continuous service with the Company through each vesting date.

F3 · derivative.expiration_date: This restricted stock unit award was granted on 6/6/2023 pursuant to the terms of the Shareablee, Inc. 2013 Stock Option/Stock Issuance Plan, as amended. This award vests in three equal annual installments beginning on 6/6/2024, subject to the reporting person's continuous service with the Company through each vesting date.

SEC source: 0001158172-25-000031 · wk-form4_1749586086.xml · nonDerivative · entry 2

Bagdasarian Stephen · CIK 0002000126 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,181

F2 · shares: These shares were withheld to fulfill tax withholding obligations associated with the vesting of restricted stock units on 6/6/2025. This was not an open market sale.

SEC source: 0001158172-25-000031 · wk-form4_1749586086.xml · nonDerivative · entry 1

Bagdasarian Stephen · CIK 0002000126 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,907

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001158172-24-000114 · wk-form4_1733173425.xml · derivative · entry 2

Carpenter Jonathan · CIK 0001896035 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,534 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F4 · derivative.exercise_date: This restricted stock unit award was granted on 11/29/2021 and vested in three equal annual installments beginning on 11/29/2022, subject to the reporter's continued service with the Company through each vesting date. Vested units will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award agreement.

F4 · derivative.expiration_date: This restricted stock unit award was granted on 11/29/2021 and vested in three equal annual installments beginning on 11/29/2022, subject to the reporter's continued service with the Company through each vesting date. Vested units will be delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award agreement.

F3 · derivative.underlying_shares: The number of securities beneficially owned has been updated to reflect the 1-for-20 reverse stock split effected 12/20/2023 as disclosed in the Company's Form 8-K dated 12/27/2023.

SEC source: 0001158172-24-000114 · wk-form4_1733173425.xml · nonDerivative · entry 1

Carpenter Jonathan · CIK 0001896035 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,148

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The shares of common stock of the Company underlying these restricted stock units will be delivered upon a separation from service or change in control of the Company, as set forth in the applicable award agreement.

F2 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F3 · balance_after: The number of securities beneficially owned has been updated to reflect the 1-for-20 reverse stock split effected 12/20/2023 as disclosed in the Company's Form 8-K dated 12/27/2023.

SEC source: 0001158172-24-000103 · wk-form4_1727473181.xml · derivative · entry 3

Bagdasarian Stephen · CIK 0002000126 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 1,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: This restricted stock unit award was granted on 9/26/2022 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award vests in four equal annual installments beginning on 9/26/2023, subject to the reporting person's continuous service with the Company through each vesting date.

F3 · derivative.expiration_date: This restricted stock unit award was granted on 9/26/2022 pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award vests in four equal annual installments beginning on 9/26/2023, subject to the reporting person's continuous service with the Company through each vesting date.

SEC source: 0001158172-24-000103 · wk-form4_1727473181.xml · nonDerivative · entry 2

Bagdasarian Stephen · CIK 0002000126 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,432

F2 · shares: These shares were withheld to fulfill tax withholding obligations associated with the vesting of restricted stock units on 9/26/2024. This was not an open market sale.

SEC source: 0001158172-24-000103 · wk-form4_1727473181.xml · nonDerivative · entry 1

Bagdasarian Stephen · CIK 0002000126 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,798

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

SEC source: 0001091667-24-000106 · wk-form4_1722026446.xml · derivative · entry 1

CHARTER COMMUNICATIONS, INC. /MO/ · CIK 0001091667 · 10% owner

Charter Communications Holding Company, LLC · CIK 0001850981 · 10% owner

SPECTRUM MANAGEMENT HOLDING COMPANY, LLC · CIK 0001377013 · 10% owner

CHARTER COMMUNICATIONS HOLDINGS LLC · CIK 0001085476 · 10% owner

CCH II LLC · CIK 0001266604 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 31,928,301

Underlying: Common Stock · 220,954 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Series B Convertible Preferred Stock are convertible, at the holder's election, at the conversion rate (as defined in the Certificate of Designation of Series B Convertible Preferred Stock), which was initially one-to-one, as adjusted (i) to reflect the 1-for-20 reverse stock split on December 20, 2023 and (ii) by accrued but unpaid dividends. Upon conversion, the holder will receive cash in lieu of fractional shares (if any). Shares of Series B Convertible Preferred Stock have no expiration date.

F3 · price: The reported securities were received in respect of, and exchange for, accrued but unpaid dividends on Series B Convertible Preferred Stock with respect to annual dividend periods ending in 2023 and 2024. The acquired shares of Series B Convertible Preferred Stock, which were convertible into 220,954 shares of Common Stock on the transaction date (as such amount is increased in respect of accrued dividends), were received in exchange for an aggregate of $10,923,569 in accrued but unpaid dividends, representing an effective conversion price of $49.438 per share of Common Stock for the canceled dividend obligation.

F1 · derivative.exercise_date: Shares of Series B Convertible Preferred Stock are convertible, at the holder's election, at the conversion rate (as defined in the Certificate of Designation of Series B Convertible Preferred Stock), which was initially one-to-one, as adjusted (i) to reflect the 1-for-20 reverse stock split on December 20, 2023 and (ii) by accrued but unpaid dividends. Upon conversion, the holder will receive cash in lieu of fractional shares (if any). Shares of Series B Convertible Preferred Stock have no expiration date.

F1 · derivative.expiration_date: Shares of Series B Convertible Preferred Stock are convertible, at the holder's election, at the conversion rate (as defined in the Certificate of Designation of Series B Convertible Preferred Stock), which was initially one-to-one, as adjusted (i) to reflect the 1-for-20 reverse stock split on December 20, 2023 and (ii) by accrued but unpaid dividends. Upon conversion, the holder will receive cash in lieu of fractional shares (if any). Shares of Series B Convertible Preferred Stock have no expiration date.

F2 · derivative.underlying_shares: Represents the amount of Common Stock issuable upon conversion of the Series B Preferred Stock acquired on the transaction date, prior to the accrual of dividends. The Conversion Rate will continue to adjust to the extent there are additional accrued but unpaid dividends. The holders of Series B Preferred Stock are entitled to participate in all dividends declared on the Common Stock on an as-converted basis and are also entitled to a cumulative dividend at the rate of 7.5% per annum.

F4 · ownership.nature: 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 Communications, Inc. is the controlling parent company of CCH II.

SEC source: 0001493152-24-029307 · ownership.xml · derivative · entry 1

Cerberus Capital Management, L.P. · CIK 0001525907 · Director · 10% owner

Pine Investor, LLC · CIK 0001851987 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 31,928,301

Underlying: Common Stock, par value $0.001 per share · 220,954 shares

Expires not disclosed

F1 · derivative.exercise_price: Shares of Series B Convertible Preferred Stock, par value $0.001 per share ("Preferred Stock"), of comScore, Inc. (the "Company") are convertible at any time, at the holder's election, into shares of the Company's common stock, par value $0.001 per share ("Common Stock"), at the conversion rate (as defined in the certificate of designation of the Preferred Stock, as amended from time to time), which initially was 1:1, and was adjusted to 1:20 to give effect to the 1-for-20 reverse stock split of the Common Stock effected by the Company on December 20, 2023. The conversation rate is subject to certain anti-dilution adjustments and customary provisions related to partial dividend periods. The shares of Preferred Stock have no expiration date.

F2 · kind: This Form 4 is being filed in connection with the issuance by the Company to Pine Investor, LLC ("Pine") of 4,419,098 additional shares of Preferred Stock in a transaction exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended ("Exchange Act"), pursuant to Rule 16b-3(d) thereunder. The additional shares of Preferred Stock were issued in exchange for cancellation of the Company's obligation to pay accrued dividends totaling approximately $10.9 million to Pine on its existing Preferred Stock holdings for dividend periods ended in 2023 and 2024. In connection with the issuance of additional shares of Preferred Stock, which was effected pursuant to the terms of a subscription agreement between the Company and Pine, the Company and the holders of the Preferred Stock also entered into an amendment to the stockholders agreement between the parties.

F2 · price: This Form 4 is being filed in connection with the issuance by the Company to Pine Investor, LLC ("Pine") of 4,419,098 additional shares of Preferred Stock in a transaction exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended ("Exchange Act"), pursuant to Rule 16b-3(d) thereunder. The additional shares of Preferred Stock were issued in exchange for cancellation of the Company's obligation to pay accrued dividends totaling approximately $10.9 million to Pine on its existing Preferred Stock holdings for dividend periods ended in 2023 and 2024. In connection with the issuance of additional shares of Preferred Stock, which was effected pursuant to the terms of a subscription agreement between the Company and Pine, the Company and the holders of the Preferred Stock also entered into an amendment to the stockholders agreement between the parties.

F1 · derivative.exercise_date: Shares of Series B Convertible Preferred Stock, par value $0.001 per share ("Preferred Stock"), of comScore, Inc. (the "Company") are convertible at any time, at the holder's election, into shares of the Company's common stock, par value $0.001 per share ("Common Stock"), at the conversion rate (as defined in the certificate of designation of the Preferred Stock, as amended from time to time), which initially was 1:1, and was adjusted to 1:20 to give effect to the 1-for-20 reverse stock split of the Common Stock effected by the Company on December 20, 2023. The conversation rate is subject to certain anti-dilution adjustments and customary provisions related to partial dividend periods. The shares of Preferred Stock have no expiration date.

F1 · derivative.expiration_date: Shares of Series B Convertible Preferred Stock, par value $0.001 per share ("Preferred Stock"), of comScore, Inc. (the "Company") are convertible at any time, at the holder's election, into shares of the Company's common stock, par value $0.001 per share ("Common Stock"), at the conversion rate (as defined in the certificate of designation of the Preferred Stock, as amended from time to time), which initially was 1:1, and was adjusted to 1:20 to give effect to the 1-for-20 reverse stock split of the Common Stock effected by the Company on December 20, 2023. The conversation rate is subject to certain anti-dilution adjustments and customary provisions related to partial dividend periods. The shares of Preferred Stock have no expiration date.

F3 · derivative.underlying_shares: The amount reported in Column 7 represents the number of shares of Common Stock issuable upon conversion of the 4,419,098 shares of Preferred Stock reported herein. The holders of Preferred Stock are entitled to participate on all dividends declared on the Common Stock on an as-converted basis and are also entitled to a cumulative dividend at the rate of 7.5% per annum.

F4 · balance_after: The amount reported in Column 9 represents the aggregate 31,928,301 shares of Preferred Stock held following the transaction reported herein, which are convertible into an aggregate of 1,603,578 shares of Common Stock as of the date of event requiring this report. The holders of Preferred Stock are entitled to participate on all dividends declared on the Common Stock on an as-converted basis and are also entitled to a cumulative dividend at the rate of 7.5% per annum.

F5 · ownership.direct: Pine is the record holder of all securities reported herein. Cerberus Capital Management, L.P., either directly or through one or more intermediate entities, including Pine, possesses the sole power to vote and the sole power to direct the disposition of all securities of the Company disclosed herein.

F5 · ownership.nature: Pine is the record holder of all securities reported herein. Cerberus Capital Management, L.P., either directly or through one or more intermediate entities, including Pine, possesses the sole power to vote and the sole power to direct the disposition of all securities of the Company disclosed herein.

SEC source: 0001104659-24-083076 · tm2420259-1_4seq1.xml · derivative · entry 1

Liberty Broadband Corp · CIK 0001611983 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,928,301

Underlying: Common Stock · 220,954 shares

Expires not disclosed

F1 · derivative.exercise_price: The shares of Common Stock reported herein are underlying 4,419,098 shares of Series B Convertible Preferred Stock acquired by the Reporting Person in exchange for cancellation of the Issuer's obligation to pay accrued dividends totaling approximately $10.9 million to the Reporting Person for annual dividend periods ended in 2023 and 2024. 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 0.050 as of July 24, 2024.

F2 · derivative.exercise_price: As of July 24, 2024, the shares of Series B Convertible Preferred Stock reported herein were convertible into 220,954 shares of Common Stock. The Conversion Rate will continue to adjust to the extent there are accrued but unpaid dividends. Each holder of Series B Convertible Preferred Stock will receive cash in lieu of fractional shares (if any). The Series B Convertible Preferred Stock has no expiration date.

F1 · derivative.exercise_date: The shares of Common Stock reported herein are underlying 4,419,098 shares of Series B Convertible Preferred Stock acquired by the Reporting Person in exchange for cancellation of the Issuer's obligation to pay accrued dividends totaling approximately $10.9 million to the Reporting Person for annual dividend periods ended in 2023 and 2024. 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 0.050 as of July 24, 2024.

F2 · derivative.exercise_date: As of July 24, 2024, the shares of Series B Convertible Preferred Stock reported herein were convertible into 220,954 shares of Common Stock. The Conversion Rate will continue to adjust to the extent there are accrued but unpaid dividends. Each holder of Series B Convertible Preferred Stock will receive cash in lieu of fractional shares (if any). The Series B Convertible Preferred Stock has no expiration date.

F1 · derivative.expiration_date: The shares of Common Stock reported herein are underlying 4,419,098 shares of Series B Convertible Preferred Stock acquired by the Reporting Person in exchange for cancellation of the Issuer's obligation to pay accrued dividends totaling approximately $10.9 million to the Reporting Person for annual dividend periods ended in 2023 and 2024. 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 0.050 as of July 24, 2024.

F2 · derivative.expiration_date: As of July 24, 2024, the shares of Series B Convertible Preferred Stock reported herein were convertible into 220,954 shares of Common Stock. The Conversion Rate will continue to adjust to the extent there are accrued but unpaid dividends. Each holder of Series B Convertible Preferred Stock will receive cash in lieu of fractional shares (if any). The Series B Convertible Preferred Stock has no expiration date.

SEC source: 0001158172-24-000084 · wk-form4_1719951522.xml · derivative · entry 1

Gillin Leslie · CIK 0001862601 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,739

Underlying: Common Stock · 10,739 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, will vest in full on the earliest of (i) the date of the Company's 2025 annual meeting of stockholders, (ii) June 30, 2025, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, will vest in full on the earliest of (i) the date of the Company's 2025 annual meeting of stockholders, (ii) June 30, 2025, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $170,000 by $15.83, which was the price per share used for the Company's most recent employee equity awards. This represents a reduction in the number of shares otherwise due to the reporter under the Company's director compensation program, which would have divided $170,000 by the closing market price of the common stock on the date of grant, which was $14.47. The Board of Directors elected to use the higher price in order to further align directors' interests with those of the Company's common stockholders.

SEC source: 0001091667-24-000094 · wk-form4_1719950796.xml · derivative · entry 1

CHARTER COMMUNICATIONS, INC. /MO/ · CIK 0001091667 · 10% owner

Charter Communications Holding Company, LLC · CIK 0001850981 · 10% owner

SPECTRUM MANAGEMENT HOLDING COMPANY, LLC · CIK 0001377013 · 10% owner

CHARTER COMMUNICATIONS HOLDINGS LLC · CIK 0001085476 · 10% owner

CCH II LLC · CIK 0001266604 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 21,478

Underlying: Common Stock · 21,478 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award ("Stock Award") was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, will vest in full on the earliest of (i) the date of the Company's 2025 annual meeting of stockholders, (ii) June 30, 2025, and (iii) the date of a change in control of the Company, subject in each case to the grantee's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award ("Stock Award") was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, will vest in full on the earliest of (i) the date of the Company's 2025 annual meeting of stockholders, (ii) June 30, 2025, and (iii) the date of a change in control of the Company, subject in each case to the grantee's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this Stock Award was determined by dividing $170,000 by $15.83, which was the price per share used for the Company's most recent employee equity awards. This represents a reduction in the number of shares otherwise due to the grantee under the Company's director compensation program, which would have divided $170,000 by the closing market price of the common stock on the date of grant, which was $14.47. The Board of Directors elected to use the higher price in order to further align directors' interests with those of the Company's common stockholders.

F4 · ownership.nature: David Kline and Jeffrey Barratt Murphy each assigned all their rights and interests in the Stock Award to Charter Communications Holding Company, LLC ("HoldCo"). 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 Communications, Inc. is the controlling parent company of CCH II.

SEC source: 0001158172-24-000083 · wk-form4_1719951498.xml · derivative · entry 1

FISHER ITZHAK · CIK 0001059953 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,739

Underlying: Common Stock · 10,739 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, will vest in full on the earliest of (i) the date of the Company's 2025 annual meeting of stockholders, (ii) June 30, 2025, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, will vest in full on the earliest of (i) the date of the Company's 2025 annual meeting of stockholders, (ii) June 30, 2025, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $170,000 by $15.83, which was the price per share used for the Company's most recent employee equity awards. This represents a reduction in the number of shares otherwise due to the reporter under the Company's director compensation program, which would have divided $170,000 by the closing market price of the common stock on the date of grant, which was $14.47. The Board of Directors elected to use the higher price in order to further align directors' interests with those of the Company's common stockholders.

SEC source: 0001158172-24-000087 · wk-form4_1719951600.xml · derivative · entry 1

McLaughlin Matthew F. · CIK 0001853874 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,739

Underlying: Common Stock · 10,739 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F3 · price: The number of shares subject to this restricted stock unit award was determined by dividing $170,000 by $15.83, which was the price per share used for the Company's most recent employee equity awards. This represents a reduction in the number of shares otherwise due to the reporter under the Company's director compensation program, which would have divided $170,000 by the closing market price of the common stock on the date of grant, which was $14.47. The Board of Directors elected to use the higher price in order to further align directors' interests with those of the Company's common stockholders.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, will vest in full on the earliest of (i) the date of the Company's 2025 annual meeting of stockholders, (ii) June 30, 2025, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, will vest in full on the earliest of (i) the date of the Company's 2025 annual meeting of stockholders, (ii) June 30, 2025, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

SEC source: 0001158172-24-000086 · wk-form4_1719951550.xml · derivative · entry 1

LIVEK WILLIAM PAUL · CIK 0001466605 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,739

Underlying: Common Stock · 10,739 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.

F2 · derivative.exercise_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, will vest in full on the earliest of (i) the date of the Company's 2025 annual meeting of stockholders, (ii) June 30, 2025, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F2 · derivative.expiration_date: This restricted stock unit award was granted pursuant to the terms of the comScore, Inc. 2018 Equity and Incentive Compensation Plan. This award, which represents compensation for the 2024-2025 director term, will vest in full on the earliest of (i) the date of the Company's 2025 annual meeting of stockholders, (ii) June 30, 2025, and (iii) the date of a change in control of the Company, subject in each case to the reporter's continued status as a member of the Company's Board of Directors on the vesting date. Vested units will be deferred and delivered in shares of common stock upon a separation from service or a change in control of the Company, as set forth in the applicable award notice.

F3 · derivative.underlying_shares: The number of shares subject to this restricted stock unit award was determined by dividing $170,000 by $15.83, which was the price per share used for the Company's most recent employee equity awards. This represents a reduction in the number of shares otherwise due to the reporter under the Company's director compensation program, which would have divided $170,000 by the closing market price of the common stock on the date of grant, which was $14.47. The Board of Directors elected to use the higher price in order to further align directors' interests with those of the Company's common stockholders.