Key facts
- This page summarizes Ronald A. Duncan's Form 4 filing for GCI Liberty, Inc. (GLIBA).
- 10 reported transactions and 5 derivative rows are listed below.
- Accepted by SEC: 11 Dec 2025, 17:27.
Ronald A. Duncan - 09 Dec 2025 Form 4 Insider Report for GCI Liberty, Inc. (GLIBA)
- Reporting relationship
- President and CEO, Director
- Issuer ticker
- GLIBA
- Reported as of
- 09 Dec 2025
- Net transaction value
- +$1,065,206
- SEC form
- 4
- Accepted by SEC
- 11 Dec 2025, 17:27:28 UTC
- Prior SEC filing
- 25 Aug 2025
- Next SEC filing
- 22 Dec 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Brittany A. Uthoff as Attorney in Fact for Ronald A. Duncan
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Ronald A. Duncan filed Form 4 for GCI Liberty, Inc. (GLIBA) on 11 Dec 2025.
Change
- Previous filing in this sequence was filed on 25 Aug 2025.
- Current net transaction value: +$1,065,206.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0000905853
Primary reporting owner
DUNCAN RONALD A
- Relationship
- President and CEO, Director
- Address
- 12300 LIBERTY BOULEVARD, ENGLEWOOD
- Signature
- /s/ Brittany A. Uthoff as Attorney in Fact for Ronald A. Duncan
- Signature date
- 11 Dec 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GLIBK
transaction
Series C GCI Group Common Stock
Options Exercise
- Transaction value
- $829,192
- Shares
- +30,485
- Change %
- +38%
- Price
- $27.20
- Shares after
- 109,909
- Date
- 09 Dec 2025
- Ownership
- Direct
GLIBK
transaction
Series C GCI Group Common Stock
Options Exercise
- Transaction value
- $155,258
- Shares
- +5,708
- Change %
- +38%
- Price
- $27.20
- Shares after
- 20,578
- Date
- 09 Dec 2025
- Ownership
- By 560 Company, Inc.
- Footnotes
- F1
GLIBK
transaction
Series C GCI Group Common Stock
Options Exercise
- Transaction value
- $15,259
- Shares
- +561
- Change %
- +38%
- Price
- $27.20
- Shares after
- 2,022
- Date
- 09 Dec 2025
- Ownership
- By Missy, LLC
- Footnotes
- F2
GLIBK
transaction
Series C GCI Group Common Stock
Options Exercise
- Transaction value
- $8,786
- Shares
- +323
- Change %
- +38%
- Price
- $27.20
- Shares after
- 1,162
- Date
- 09 Dec 2025
- Ownership
- By RAD, LLC
- Footnotes
- F3
GLIBK
transaction
Series C GCI Group Common Stock
Options Exercise
- Transaction value
- $56,712
- Shares
- +2,085
- Change %
- +38%
- Price
- $27.20
- Shares after
- 7,516
- Date
- 09 Dec 2025
- Ownership
- By Spouse
- Footnotes
- F4
GLIBK
holding
Series C GCI Group Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 557
- Date
- 09 Dec 2025
- Ownership
- By 401(k) Savings Plan
- Footnotes
- F5
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
GLIBK
transaction
Derivative
Subscription Right (Right to Buy) - GLIBK
Options Exercise
- Transaction value
- $0
- Shares
- -30,485
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 09 Dec 2025
- Ownership
- Direct
- Underlying class
- Series C GCI Group Common Stock
- Underlying amount
- 30,485
- Exercise price
- $27.20
- Footnotes
- F6, F7, F8
GLIBK
transaction
Derivative
Subscription Right (Right to Buy) - GLIBK
Options Exercise
- Transaction value
- $0
- Shares
- -5,708
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 09 Dec 2025
- Ownership
- By 560 Company, Inc.
- Underlying class
- Series C GCI Group Common Stock
- Underlying amount
- 5,708
- Exercise price
- $27.20
- Footnotes
- F1, F6, F7, F8
GLIBK
transaction
Derivative
Subscription Right (Right to Buy) - GLIBK
Options Exercise
- Transaction value
- $0
- Shares
- -561
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 09 Dec 2025
- Ownership
- By Missy, LLC
- Underlying class
- Series C GCI Group Common Stock
- Underlying amount
- 561
- Exercise price
- $27.20
- Footnotes
- F2, F6, F7, F8
GLIBK
transaction
Derivative
Subscription Right (Right to Buy) - GLIBK
Options Exercise
- Transaction value
- $0
- Shares
- -323
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 09 Dec 2025
- Ownership
- By RAD, LLC
- Underlying class
- Series C GCI Group Common Stock
- Underlying amount
- 323
- Exercise price
- $27.20
- Footnotes
- F3, F6, F7, F8
GLIBK
transaction
Derivative
Subscription Right (Right to Buy) - GLIBK
Options Exercise
- Transaction value
- $0
- Shares
- -2,085
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 09 Dec 2025
- Ownership
- By Spouse
- Underlying class
- Series C GCI Group Common Stock
- Underlying amount
- 2,085
- Exercise price
- $27.20
- Footnotes
- F4, F6, F7, F8
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 8 footnotes
Footnote 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.
Footnote 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.
Footnote 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.
Footnote F4
The Reporting Person disclaims beneficial ownership of these shares owned by his spouse.
Footnote 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.
Footnote F6
The rights offering is subject to termination or extension by the Issuer at any time prior to consummation.
Footnote F7
The rights offering commenced on November 26, 2025.
Footnote F8
The rights offering will expire at 5:00 p.m., New York City time, on December 17, 2025 unless extended by the Issuer.