Ronald A. Duncan - 19 Dec 2025 Form 4 Insider Report for GCI Liberty, Inc. (GLIBA)

Signature
/s/ Brittany A. Uthoff as Attorney in Fact for Ronald A. Duncan
Issuer symbol
GLIBA
Transactions as of
19 Dec 2025
Net transactions value
-$6,332
Form type
4
Filing time
23 Dec 2025, 17:27:35 UTC
Previous filing
22 Dec 2025
Next filing
06 Jan 2026

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 23 Dec 2025 0000905853

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLIBK Series C GCI Group Common Stock Tax liability $6,332 -174 -0.16% $36.39 110,177 19 Dec 2025 Direct
holding GLIBK Series C GCI Group Common Stock 557 19 Dec 2025 By 401(k) Savings Plan F1
holding GLIBK Series C GCI Group Common Stock 20,578 19 Dec 2025 By 560 Company, Inc. F2
holding GLIBK Series C GCI Group Common Stock 2,022 19 Dec 2025 By Missy, LLC F3
holding GLIBK Series C GCI Group Common Stock 1,162 19 Dec 2025 By RAD, LLC F4
holding GLIBK Series C GCI Group Common Stock 7,516 19 Dec 2025 By Spouse F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 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,
F3 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.
F4 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.
F5 The Reporting Person disclaims beneficial ownership of these shares owned by his spouse.