Ronald A. Duncan - Dec 9, 2025 Form 4 Insider Report for GCI Liberty, Inc. (GLIBK)

Role
President and CEO, Director
Signature
/s/ Brittany A. Uthoff as Attorney in Fact for Ronald A. Duncan
Stock symbol
GLIBK
Transactions as of
Dec 9, 2025
Transactions value $
$1,065,206
Form type
4
Date filed
12/11/2025, 05:27 PM
Previous filing
Aug 25, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DUNCAN RONALD A President and CEO, Director 12300 LIBERTY BOULEVARD, ENGLEWOOD /s/ Brittany A. Uthoff as Attorney in Fact for Ronald A. Duncan 2025-12-11 0000905853

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLIBK Series C GCI Group Common Stock Options Exercise $829K +30.5K +38.38% $27.20 110K Dec 9, 2025 Direct
transaction GLIBK Series C GCI Group Common Stock Options Exercise $155K +5.71K +38.39% $27.20 20.6K Dec 9, 2025 By 560 Company, Inc. F1
transaction GLIBK Series C GCI Group Common Stock Options Exercise $15.3K +561 +38.4% $27.20 2.02K Dec 9, 2025 By Missy, LLC F2
transaction GLIBK Series C GCI Group Common Stock Options Exercise $8.79K +323 +38.5% $27.20 1.16K Dec 9, 2025 By RAD, LLC F3
transaction GLIBK Series C GCI Group Common Stock Options Exercise $56.7K +2.09K +38.39% $27.20 7.52K Dec 9, 2025 By Spouse F4
holding GLIBK Series C GCI Group Common Stock 557 Dec 9, 2025 By 401(k) Savings Plan F5

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

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GLIBK Subscription Right (Right to Buy) - GLIBK Options Exercise $0 -30.5K -100% $0.00 0 Dec 9, 2025 Series C GCI Group Common Stock 30.5K $27.20 Direct F6, F7, F8
transaction GLIBK Subscription Right (Right to Buy) - GLIBK Options Exercise $0 -5.71K -100% $0.00 0 Dec 9, 2025 Series C GCI Group Common Stock 5.71K $27.20 By 560 Company, Inc. F1, F6, F7, F8
transaction GLIBK Subscription Right (Right to Buy) - GLIBK Options Exercise $0 -561 -100% $0.00 0 Dec 9, 2025 Series C GCI Group Common Stock 561 $27.20 By Missy, LLC F2, F6, F7, F8
transaction GLIBK Subscription Right (Right to Buy) - GLIBK Options Exercise $0 -323 -100% $0.00 0 Dec 9, 2025 Series C GCI Group Common Stock 323 $27.20 By RAD, LLC F3, F6, F7, F8
transaction GLIBK Subscription Right (Right to Buy) - GLIBK Options Exercise $0 -2.09K -100% $0.00 0 Dec 9, 2025 Series C GCI Group Common Stock 2.09K $27.20 By Spouse F4, F6, F7, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 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.
F3 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.
F4 The Reporting Person disclaims beneficial ownership of these shares owned by his spouse.
F5 The number of shares reported as held in the Reporting Person's 401(k) is based on a statement from the Plan Administrator dated as of November 30, 2025.
F6 The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.
F7 The rights offering commenced on November 26, 2025.
F8 The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.