Liberty Broadband Corp is a corporate entity that reports beneficial ownership of shares in COMSCORE, INC. (SCOR) and 2 other companies under U.S. securities law. It has submitted 23 SEC insider filings since 2024, most recently in August 2026.
Every role Liberty Broadband Corp has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
COMSCORE, INC. (SCOR)1 filingCHARTER COMMUNICATIONS, INC. /MO/ (CHTR)4 filingsUpdated Aug 30, 2026
Liberty Broadband Corp is Director, 10% Owner of COMSCORE, INC. (SCOR). 23 SEC Form 4 filings on record going back to 2024, most recently on 21 August 2026.
Every recent SEC Form 4 transaction Liberty Broadband Corp has reported, most recent first.
InsiderAlpha's records for Liberty Broadband Corp go back to 2024: 23 primary Form 4 filings, an average of 7.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies Liberty Broadband Corp files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Liberty Broadband Corp is a corporate entity, tracked as Director, 10% Owner of COMSCORE, INC. (SCOR). InsiderAlpha holds 23 primary Form 4 filings for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
5 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 2 open-market purchases and 0 open-market sales across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$CHTR CHARTER COMMUNICATIONS, INC. /MO/9.9K shares @ $133.86$1.33M