GCI Liberty, Inc. (GLIBK) IPO — S-1 Filing, Stock & Insider Activity

GCI Liberty, Inc. IPO — Status & S-1 Filing

Track every registration update on the InsiderAlpha IPO tracker.

Updated Jul 16, 2026 · Last SEC filing 2026-06-04

GCI Liberty, Inc. (GLIBK) has filed 1 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-04. 8 Form 8-K material event filings were reported by GLIBK in the last 90 days. InsiderAlpha tracks every GLIBK SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About GCI Liberty, Inc. (GLIBK)

SEC CIK0002057463

90-Day SEC Filing Activity

Form 4 filings (90d)1
Form 8-K filings (90d)8
Latest Form 4 filing2026-06-04

Recent GLIBK Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
DUNCAN RONALD APresident and CEOP — Open-market purchase35.0K$21.06$737KSEC
DUNCAN RONALD APresident and CEOP — Open-market purchase2.5K$21.05$53KSEC
DUNCAN RONALD APresident and CEOP — Open-market purchase5.0K$21.11$106KSEC
DUNCAN RONALD APresident and CEOP — Open-market purchase25.0K$21.01$525KSEC
MALONE JOHN CDirectorP — Open-market purchase1.8K$43.29$79KSEC
DUNCAN RONALD APresident and CEOM — Option exercise1.2K$0.00—SEC
DUNCAN RONALD APresident and CEOF — Tax withholding / forfeiture7.7K$39.70$306KSEC
DUNCAN RONALD APresident and CEOA — Grant or award18.4K$0.00—SEC
MALONE JOHN CDirectorP — Open-market purchase763$35.00$27KSEC
MALONE JOHN CDirectorP — Open-market purchase1.6K$35.00$56KSEC
MALONE JOHN CDirectorP — Open-market purchase725$35.00$25KSEC
MALONE JOHN CDirectorP — Open-market purchase2.2K$34.93$76KSEC
MALONE JOHN CDirectorP — Open-market purchase8.1K$34.98$283KSEC
MALONE JOHN CDirectorP — Open-market purchase42.2K$34.99$1.48MSEC
MALONE JOHN CDirectorP — Open-market purchase2.2K$34.93$78KSEC

All transactions sourced from SEC EDGAR Form 4 filings for GCI Liberty, Inc. (GLIBK). Updated in real time as new filings are submitted to the SEC.

Most-Active GLIBK Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
DUNCAN RONALD A4$1.42M

Recent GLIBK Form 8-K Material Events

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in GLIBK insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

GLIBK Insider Trading — FAQ

What is the latest insider trade for GLIBK?
GCI Liberty, Inc. (GLIBK) had 1 insider filings in the last 90 days, with the most recent on 2026-06-04. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying GLIBK stock?
0 insider purchases of GLIBK were filed in the last 90 days.
How many insiders are selling GLIBK stock?
0 insider sales of GLIBK were filed in the last 90 days.
Where can I see GLIBK SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every GLIBK SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live GLIBK dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.