GLIBA

SEC source: 0001225208-25-010199 · doc4.xml · nonDerivative · entry 1

MALONE JOHN C · CIK 0000937797 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,016,520

F1 · kind: The shares of Series C GCI Group common stock were received by the reporting person or related trusts in the Issuer's recently completed pro rata rights offering pursuant to the oversubscription privilege associated with the reporting person's or such related trust's subscription rights.

SEC source: 0001225208-25-010164 · doc4.xml · derivative · entry 10

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 442 shares

Expires 2025-12-19

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.

F8 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of GLIBK.

F1 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001225208-25-010164 · doc4.xml · nonDerivative · entry 1

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,351

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 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

F2 · price: Each restricted stock unit converted into one share of GLIBK.

SEC source: 0001225208-25-010161 · doc4.xml · derivative · entry 3

ROMRELL LARRY E · CIK 0001120556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 682 shares

Expires 2025-12-19

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.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of GLIBK.

F1 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001225208-25-010161 · doc4.xml · nonDerivative · entry 1

ROMRELL LARRY E · CIK 0001120556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,239

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 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

F2 · price: Each restricted stock unit converted into one share of GLIBK.

SEC source: 0001225208-25-010163 · doc4.xml · derivative · entry 4

Green Richard R · CIK 0001452212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 654 shares

Expires 2025-12-19

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.

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of GLIBK.

F1 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001225208-25-010163 · doc4.xml · nonDerivative · entry 1

Green Richard R · CIK 0001452212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,634

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 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

F2 · price: Each restricted stock unit converted into one share of GLIBK.

SEC source: 0001225208-25-010162 · doc4.xml · derivative · entry 3

DEEVY BRIAN · CIK 0001442360 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 697 shares

Expires 2025-12-19

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.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of GLIBK.

F1 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001225208-25-010162 · doc4.xml · nonDerivative · entry 1

DEEVY BRIAN · CIK 0001442360 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 697

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 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

F2 · price: Each restricted stock unit converted into one share of GLIBK.

SEC source: 0001225208-25-010191 · doc4.xml · nonDerivative · entry 1

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,177

SEC source: 0001225208-25-010164 · doc4.xml · derivative · entry 9

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 442

Underlying: Series C GCI Group Common Stock · 442 shares

Expires 2025-12-19

F8 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of GLIBK.

F1 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001225208-25-010164 · doc4.xml · derivative · entry 8

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Series C GCI Group Common Stock · 1,158 shares

Expires 2026-03-15

F8 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of GLIBK.

F1 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001225208-25-010164 · doc4.xml · derivative · entry 7

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,205

Underlying: Series C GCI Group Common Stock · 51,205 shares

Expires not disclosed

F8 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of GLIBK.

F1 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

F9 · derivative.exercise_date: This restricted stock unit award vests in three substantially equal installments on December 31, 2026, 2027, and 2028.

F9 · derivative.expiration_date: This restricted stock unit award vests in three substantially equal installments on December 31, 2026, 2027, and 2028.

SEC source: 0001225208-25-010161 · doc4.xml · derivative · entry 2

ROMRELL LARRY E · CIK 0001120556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 682

Underlying: Series C GCI Group Common Stock · 682 shares

Expires 2025-12-19

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of GLIBK.

F1 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001225208-25-010163 · doc4.xml · derivative · entry 3

Green Richard R · CIK 0001452212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 654

Underlying: Series C GCI Group Common Stock · 654 shares

Expires 2025-12-19

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of GLIBK.

F1 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001225208-25-010162 · doc4.xml · derivative · entry 2

DEEVY BRIAN · CIK 0001442360 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 697

Underlying: Series C GCI Group Common Stock · 697 shares

Expires 2025-12-19

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of GLIBK.

F1 · kind: Represents an award of restricted stock units which will fully vest on December 19, 2025. In connection with the Issuer's recently completed rights offering to purchase shares of its Series C GCI Group common stock ("GLIBK"), holders of stock options or restricted stock units relating to shares of GCI Group common stock, regardless of series, received a grant of restricted stock units with respect to GLIBK to account for the impact on the value of the common stock underlying the options or restricted stock units. These grants of restricted stock units were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001225208-25-010081 · doc4.xml · derivative · entry 8

MALONE JOHN C · CIK 0000937797 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Malone LG 2013 Charitable Remainder Unitrust

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 16,376 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 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F3 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F4 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

SEC source: 0001225208-25-010081 · doc4.xml · derivative · entry 7

MALONE JOHN C · CIK 0000937797 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Leslie A. Malone 1995 Revocable Trust

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 33,790 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 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F3 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F4 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

F1 · ownership.nature: The reporting person disclaims beneficial ownership of these shares owned by his spouse.

SEC source: 0001225208-25-010081 · doc4.xml · derivative · entry 6

MALONE JOHN C · CIK 0000937797 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · John C. Malone June 2003 Charitable Remainder Unitrust

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 1,408 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 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F3 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F4 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

SEC source: 0001225208-25-010081 · doc4.xml · derivative · entry 5

MALONE JOHN C · CIK 0000937797 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 726,208 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 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F3 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F4 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

SEC source: 0001225208-25-010081 · doc4.xml · nonDerivative · entry 4

MALONE JOHN C · CIK 0000937797 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Malone LG 2013 Charitable Remainder Unitrust

Disclosed balance after: 59,042

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.

SEC source: 0001225208-25-010081 · doc4.xml · nonDerivative · entry 3

MALONE JOHN C · CIK 0000937797 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Leslie A. Malone 1995 Revocable Trust

Disclosed balance after: 105,211

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 · ownership.nature: The reporting person disclaims beneficial ownership of these shares owned by his spouse.

SEC source: 0001225208-25-010081 · doc4.xml · nonDerivative · entry 2

MALONE JOHN C · CIK 0000937797 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · John C. Malone June 2003 Charitable Remainder Unitrust

Disclosed balance after: 1,408

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.

SEC source: 0001225208-25-010081 · doc4.xml · nonDerivative · entry 1

MALONE JOHN C · CIK 0000937797 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,947,566

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.

SEC source: 0001225208-25-009998 · doc4.xml · derivative · entry 2

Gould Jedd · CIK 0002096858 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46

Underlying: Series C GCI Group Common Stock · 5,757 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 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F2 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F3 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

SEC source: 0001225208-25-009998 · doc4.xml · nonDerivative · entry 1

Gould Jedd · CIK 0002096858 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,761

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.

SEC source: 0001225208-25-009916 · doc4.xml · derivative · entry 2

ROMRELL LARRY E · CIK 0001120556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 1,549 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 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F2 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F3 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

SEC source: 0001225208-25-009916 · doc4.xml · nonDerivative · entry 1

ROMRELL LARRY E · CIK 0001120556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,557

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.

SEC source: 0001225208-25-009917 · doc4.xml · derivative · entry 2

Wilm Renee L · CIK 0001789667 · Chief Legal/Admin Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 696 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 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F2 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F3 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

SEC source: 0001225208-25-009917 · doc4.xml · nonDerivative · entry 1

Wilm Renee L · CIK 0001789667 · Chief Legal/Admin Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,509

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.

SEC source: 0001225208-25-009915 · doc4.xml · derivative · entry 3

Green Richard R · CIK 0001452212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41

Underlying: Series C GCI Group Common Stock · 436 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 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F3 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F4 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

SEC source: 0001225208-25-009915 · doc4.xml · nonDerivative · entry 1

Green Richard R · CIK 0001452212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,980

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.

SEC source: 0001225208-25-009835 · doc4.xml · derivative · entry 3

Wendling Brian J · CIK 0001663090 · CAO & PFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 1,054 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 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F3 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F4 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

SEC source: 0001225208-25-009835 · doc4.xml · nonDerivative · entry 1

Wendling Brian J · CIK 0001663090 · CAO & PFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,800

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.

SEC source: 0001225208-25-009837 · doc4.xml · derivative · entry 6

Green Richard R · CIK 0001452212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 477

Underlying: Series C GCI Group Common Stock · 1 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 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F3 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F4 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

SEC source: 0001225208-25-009837 · doc4.xml · derivative · entry 5

Green Richard R · CIK 0001452212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,472

Underlying: Series C GCI Group Common Stock · 24,472 shares

Expires 2030-12-09

SEC source: 0001225208-25-009837 · doc4.xml · nonDerivative · entry 2

Green Richard R · CIK 0001452212 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,544

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.

SEC source: 0001225208-25-009835 · doc4.xml · derivative · entry 2

Wendling Brian J · CIK 0001663090 · CAO & PFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,968

Underlying: Series C GCI Group Common Stock · 7,968 shares

Expires 2026-12-09

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Series C GCI Group Common Stock.

SEC source: 0001225208-25-009834 · doc4.xml · derivative · entry 1

Wilm Renee L · CIK 0001789667 · Chief Legal/Admin Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,547

Underlying: Series C GCI Group Common Stock · 15,547 shares

Expires 2026-12-09

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Series C GCI Group Common Stock.

SEC source: 0001225208-25-009872 · doc4.xml · derivative · entry 11

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 2,085 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.

F6 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F7 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F8 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

F4 · ownership.nature: The Reporting Person disclaims beneficial ownership of these shares owned by his spouse.

SEC source: 0001225208-25-009872 · doc4.xml · derivative · entry 10

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By RAD, LLC

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 323 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.

F6 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F7 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F8 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

F3 · ownership.nature: The Reporting Person has a 0.1% ownership interest in and is the controlling member of RAD, LLC and the Trust holds the remaining 99.9% ownership interest of RAD, LLC. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001225208-25-009872 · doc4.xml · derivative · entry 9

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Missy, LLC

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 561 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.

F6 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F7 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F8 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

F2 · ownership.nature: RAD, LLC has a 25% ownership interest in and is the managing member of Missy, LLC. The Reporting Person's spouse has a 25% ownership interest in Missy, LLC and the Reporting Person's adult daughter holds the remaining 50% ownership interest in Missy, LLC. Accordingly, the Reporting Person may be deemed to be the indirect beneficial owner of certain Issuer's securities owned by Missy, LLC. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001225208-25-009872 · doc4.xml · derivative · entry 8

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 560 Company, Inc.

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 5,708 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.

F6 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F7 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F8 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

F1 · ownership.nature: The Reporting Person owns 55% of 560 Company, Inc. and has voting and dispositive power over these shares. A trust (the "Trust") which the Reporting Person's spouse serves as trustee and his adult daughter is the principal beneficiary owns the remaining 45% of 560 Company, Inc. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001225208-25-009872 · doc4.xml · derivative · entry 7

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Series C GCI Group Common Stock · 30,485 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.

F6 · security: The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.

F7 · derivative.exercise_date: The rights offering commenced on November 26, 2025.

F8 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.

SEC source: 0001225208-25-009872 · doc4.xml · nonDerivative · entry 5

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 7,516

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.

F4 · ownership.nature: The Reporting Person disclaims beneficial ownership of these shares owned by his spouse.

SEC source: 0001225208-25-009872 · doc4.xml · nonDerivative · entry 4

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By RAD, LLC

Disclosed balance after: 1,162

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.

F3 · ownership.nature: The Reporting Person has a 0.1% ownership interest in and is the controlling member of RAD, LLC and the Trust holds the remaining 99.9% ownership interest of RAD, LLC. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001225208-25-009872 · doc4.xml · nonDerivative · entry 3

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Missy, LLC

Disclosed balance after: 2,022

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 · ownership.nature: RAD, LLC has a 25% ownership interest in and is the managing member of Missy, LLC. The Reporting Person's spouse has a 25% ownership interest in Missy, LLC and the Reporting Person's adult daughter holds the remaining 50% ownership interest in Missy, LLC. Accordingly, the Reporting Person may be deemed to be the indirect beneficial owner of certain Issuer's securities owned by Missy, LLC. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001225208-25-009872 · doc4.xml · nonDerivative · entry 2

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 560 Company, Inc.

Disclosed balance after: 20,578

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 · ownership.nature: The Reporting Person owns 55% of 560 Company, Inc. and has voting and dispositive power over these shares. A trust (the "Trust") which the Reporting Person's spouse serves as trustee and his adult daughter is the principal beneficiary owns the remaining 45% of 560 Company, Inc. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

SEC source: 0001225208-25-009872 · doc4.xml · nonDerivative · entry 1

DUNCAN RONALD A · CIK 0000905853 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,909

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.

SEC source: 0001225208-25-009865 · doc4.xml · derivative · entry 1

ROMRELL LARRY E · CIK 0001120556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,472

Underlying: Series C GCI Group Common Stock · 24,472 shares

Expires 2030-12-09