Ronald A. Duncan - 18 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
18 Dec 2025
Net transactions value
$0
Form type
4
Filing time
22 Dec 2025, 16:16:59 UTC
Previous filing
11 Dec 2025
Next filing
23 Dec 2025

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 22 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 Options Exercise $0 +442 +0.4% $0.000000 110,351 19 Dec 2025 Direct F1, F2
holding GLIBK Series C GCI Group Common Stock 557 18 Dec 2025 By 401(k) Savings Plan F3
holding GLIBK Series C GCI Group Common Stock 20,578 18 Dec 2025 By 560 Company, Inc. F4
holding GLIBK Series C GCI Group Common Stock 2,022 18 Dec 2025 By Missy, LLC F5
holding GLIBK Series C GCI Group Common Stock 1,162 18 Dec 2025 By RAD, LLC F6
holding GLIBK Series C GCI Group Common Stock 7,516 18 Dec 2025 By Spouse F7

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 Restricted Stock Units - GLIBK Award $0 +51,205 $0.000000 51,205 18 Dec 2025 Series C GCI Group Common Stock 51,205 Direct F1, F8, F9
transaction GLIBK Restricted Stock Units - GLIBK Award $0 +1,158 $0.000000 1,158 18 Dec 2025 Series C GCI Group Common Stock 1,158 Direct F1, F8
transaction GLIBK Restricted Stock Units - GLIBK Award $0 +442 $0.000000 442 18 Dec 2025 Series C GCI Group Common Stock 442 Direct F1, F8
transaction GLIBK Restricted Stock Units - GLIBK Options Exercise $0 -442 -100% $0.000000 0 19 Dec 2025 Series C GCI Group Common Stock 442 Direct F1, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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 Each restricted stock unit converted into one share of GLIBK.
F3 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.
F4 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.
F5 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.
F6 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.
F7 The Reporting Person disclaims beneficial ownership of these shares owned by his spouse.
F8 Each restricted stock unit represents a contingent right to receive one share of GLIBK.
F9 This restricted stock unit award vests in three substantially equal installments on December 31, 2026, 2027, and 2028.