The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 14, 2025 | Liberty Broadband Corp | 10% Owner | Other(J) | 24.6M | — | — |
| Jul 14, 2025 | Liberty Broadband Corp | 10% Owner | Other(J) | 3.7M | — | — |
| Jul 14, 2025 | Liberty Broadband Corp | 10% Owner | Other(J) | 401K | — | — |
| Jul 14, 2025 | Liberty Broadband Corp | 10% Owner | Other(J) | 24.6M | — | — |
| Jul 14, 2025 | Liberty Broadband Corp | 10% Owner | Other(J) | 3.7M | — | — |
| Jul 14, 2025 | Liberty Broadband Corp | 10% Owner | Other(J) | 401K | — | — |
| Jul 14, 2025 | Liberty Broadband Corp | 10% Owner | Other(J) | 1K | — | — |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 701K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Conversion(C) | 298K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 859 | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Conversion(C) | 298K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 532K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 303K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 143K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 109K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 148K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 359K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 21K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 120K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 259K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 65K | — | $0 |
| Dec 18, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Disposed to issuer(D) | 638K | — | $0 |
| Dec 18, 2020 | Malone John C | Chairman of the Board, Director, 10% Owner | Disposed to issuer(D) | 203K | — | $0 |
| Dec 18, 2020 | Malone John C | Chairman of the Board, Director, 10% Owner | Conversion(C) | 124K | — | $0 |
| Dec 18, 2020 | Malone John C | Chairman of the Board, Director, 10% Owner | Conversion(C) | 124K | — | $0 |
| Dec 18, 2020 | Malone John C | Chairman of the Board, Director, 10% Owner | Conversion(C) | 3.8M | — | $0 |
| Dec 18, 2020 | Malone John C | Chairman of the Board, Director, 10% Owner | Disposed to issuer(D) | 10 | — | $0 |
| Dec 18, 2020 | Malone John C | Chairman of the Board, Director, 10% Owner | Disposed to issuer(D) | 4.4M | — | $0 |
| Dec 18, 2020 | Malone John C | Chairman of the Board, Director, 10% Owner | Conversion(C) | 3.8M | — | $0 |
| Dec 18, 2020 | Duncan Ronald A | Director | Disposed to issuer(D) | 352K | — | $0 |
| Dec 18, 2020 | Duncan Ronald A | Director | Disposed to issuer(D) | 618K | — | $0 |
| Dec 18, 2020 | Duncan Ronald A | Director | Disposed to issuer(D) | 47K | — | $0 |
| Dec 18, 2020 | Duncan Ronald A | Director | Disposed to issuer(D) | 4K | — | $0 |
| Dec 18, 2020 | Duncan Ronald A | Director | Disposed to issuer(D) | 13K | — | $0 |
| Dec 18, 2020 | Duncan Ronald A | Director | Disposed to issuer(D) | 100K | — | $0 |
| Dec 18, 2020 | Duncan Ronald A | Director | Disposed to issuer(D) | 99K | — | $0 |
| Dec 18, 2020 | Duncan Ronald A | Director | Disposed to issuer(D) | 151K | — | $0 |
| Dec 18, 2020 | Duncan Ronald A | Director | Disposed to issuer(D) | 18K | — | $0 |
| Dec 18, 2020 | Duncan Ronald A | Director | Disposed to issuer(D) | 56K | — | $0 |
| Dec 18, 2020 | Engles Gregg L | Director | Disposed to issuer(D) | 4K | — | $0 |
| Dec 18, 2020 | Fisher Donne F | Director | Disposed to issuer(D) | 57K | — | $0 |
| Dec 18, 2020 | Fisher Donne F | Director | Disposed to issuer(D) | 667 | — | $0 |
| Dec 18, 2020 | Fisher Donne F | Director | Disposed to issuer(D) | 8K | — | $0 |
| Dec 18, 2020 | Fisher Donne F | Director | Disposed to issuer(D) | 5K | — | $0 |
| Dec 18, 2020 | Fisher Donne F | Director | Disposed to issuer(D) | 5K | — | $0 |
| Dec 18, 2020 | Fisher Donne F | Director | Disposed to issuer(D) | 4K | — | $0 |
| Dec 18, 2020 | Hamilton Sue Ann | Director | Disposed to issuer(D) | 4K | — | $0 |
| Dec 18, 2020 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Disposed to issuer(D) | 52K | — | $0 |
| Dec 18, 2020 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Disposed to issuer(D) | 2K | — | $0 |
| Dec 18, 2020 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Disposed to issuer(D) | 31K | — | $0 |
| Dec 18, 2020 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Disposed to issuer(D) | 17K | — | $0 |
| Dec 18, 2020 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Disposed to issuer(D) | 4K | — | $0 |
| Dec 18, 2020 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Disposed to issuer(D) | 33K | — | $0 |
| Dec 18, 2020 | Wendling Brian J | CAO/PFO | Disposed to issuer(D) | 15K | — | $0 |
| Dec 18, 2020 | Wendling Brian J | CAO/PFO | Disposed to issuer(D) | 7K | — | $0 |
| Dec 18, 2020 | Wendling Brian J | CAO/PFO | Disposed to issuer(D) | 17K | — | $0 |
| Dec 18, 2020 | Wendling Brian J | CAO/PFO | Disposed to issuer(D) | 17K | — | $0 |
| Dec 18, 2020 | Wilm Renee L | Chief Legal Officer | Disposed to issuer(D) | 413 | — | $0 |
| Dec 18, 2020 | Wilm Renee L | Chief Legal Officer | Disposed to issuer(D) | 8K | — | $0 |
| Dec 18, 2020 | Wilm Renee L | Chief Legal Officer | Disposed to issuer(D) | 31K | — | $0 |
| Dec 10, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Option exercise(M) | 3K | — | $0 |
| Dec 10, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Option exercise(M) | 3K | — | $0 |
| Dec 7, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Grant(A) | 303K | — | $0 |
| Dec 7, 2020 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Grant(A) | 31K | — | $0 |
| Dec 7, 2020 | Wendling Brian J | CAO/PFO | Grant(A) | 17K | — | $0 |
| Dec 7, 2020 | Wilm Renee L | Chief Legal Officer | Grant(A) | 8K | — | $0 |
| Dec 4, 2020 | Engles Gregg L | Director | Option exercise(M) | 1K | — | $0 |
| Dec 4, 2020 | Engles Gregg L | Director | Option exercise(M) | 1K | — | $0 |
| Dec 4, 2020 | Green Richard R | Director | Option exercise(M) | 1K | — | $0 |
| Dec 4, 2020 | Green Richard R | Director | Option exercise(M) | 1K | — | $0 |
| Dec 4, 2020 | Hamilton Sue Ann | Director | Option exercise(M) | 1K | — | $0 |
| Dec 4, 2020 | Hamilton Sue Ann | Director | Option exercise(M) | 1K | — | $0 |
| Nov 20, 2020 | Duncan Ronald A | Director | Sell(S) | 75K | $91.88 | $6.9M |
| Nov 20, 2020 | Duncan Ronald A | Director | Gift(G) | 32K | — | $0 |
| Aug 25, 2020 | Duncan Ronald A | Director | Sell(S) | 10K | $81.26 | $813K |
| Aug 25, 2020 | Duncan Ronald A | Director | Sell(S) | 5K | $81.20 | $431K |
| Aug 25, 2020 | Duncan Ronald A | Director | Sell(S) | 6K | $81.25 | $470K |
| Aug 24, 2020 | Duncan Ronald A | Director | Sell(S) | 19K | $81.00 | $1.5M |
| Aug 24, 2020 | Duncan Ronald A | Director | Sell(S) | 39K | $81.20 | $3.1M |
| Aug 19, 2020 | Duncan Ronald A | Director | Sell(S) | 11K | $81.25 | $933K |
| May 15, 2020 | Duncan Ronald A | Director | Sell(S) | 5K | $60.66 | $314K |
| May 14, 2020 | Duncan Ronald A | Director | Sell(S) | 30K | $61.01 | $1.8M |
| May 14, 2020 | Duncan Ronald A | Director | Sell(S) | 35K | $61.04 | $2.1M |
| Apr 14, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Grant(A) | 3K | — | $0 |
| Mar 23, 2020 | Duncan Ronald A | Director | Sell(S) | 247 | $43.24 | $11K |
| Mar 23, 2020 | Duncan Ronald A | Director | Sell(S) | 7K | $41.42 | $274K |
| Mar 23, 2020 | Duncan Ronald A | Director | Sell(S) | 7K | $40.40 | $284K |
| Mar 23, 2020 | Duncan Ronald A | Director | Sell(S) | 3K | $43.40 | $119K |
| Mar 23, 2020 | Duncan Ronald A | Director | Sell(S) | 2K | $42.85 | $81K |
| Mar 23, 2020 | Duncan Ronald A | Director | Sell(S) | 6K | $42.43 | $259K |
| Mar 20, 2020 | Duncan Ronald A | Director | Sell(S) | 20K | $44.43 | $909K |
| Mar 20, 2020 | Duncan Ronald A | Director | Sell(S) | 199 | $43.00 | $9K |
| Mar 19, 2020 | Duncan Ronald A | Director | Sell(S) | 54K | $43.83 | $2.4M |
| Mar 19, 2020 | Duncan Ronald A | Director | Sell(S) | 25K | $44.48 | $1.1M |
| Mar 15, 2020 | Maffei Gregory B | President and CEO, Director, 10% Owner | Grant(A) | 51K | — | $0 |
| Mar 15, 2020 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Grant(A) | 4K | — | $0 |
| Mar 15, 2020 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Tax withholding(F) | 2K | $57.48 | $98K |
| Mar 15, 2020 | Wendling Brian J | CAO/PFO | Tax withholding(F) | 778 | $57.48 | $45K |
| Mar 15, 2020 | Wendling Brian J | CAO/PFO | Grant(A) | 2K | — | $0 |
| Mar 15, 2020 | Wilm Renee L | Chief Legal Officer | Grant(A) | 629 | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-03. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for GLIBA