Career & Filing History
Every role Ronald A. Duncan 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.
Ronald A. Duncan serves as President and CEO of GCI Liberty, Inc. (GLIBK). Duncan has reported 5 insider filings with the SEC since 2025. The most recent filing was in June 2026.
Every role Ronald A. Duncan 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.
Liberty Capital Corp/NV (GLIBK)1 filingUpdated Aug 30, 2026
Ronald A. Duncan is President and CEO, Director of Liberty Capital Corp/NV (GLIBK). 5 SEC Form 4 filings on record going back to 2025, most recently on 4 June 2026. Most recent open-market trade: bought $737K of GLIBK on 4 June 2026. Lifetime open-market purchases: $1.42M.
Every recent SEC Form 4 transaction Ronald A. Duncan has reported, most recent first.
InsiderAlpha's records for Ronald A. Duncan go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. The typical open-market purchase is $355K (4 buys totaling $1.42M). The largest single buy on record is $737K of GLIBK in 2026. 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 Ronald A. Duncan 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:
Ronald A. Duncan is a corporate insider, tracked as President and CEO, Director of Liberty Capital Corp/NV (GLIBK). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
1 primary Form 4 filing in the last 90 days, covering 1 company.
Recorded transactions: 4 open-market purchases ($1.42M) and 0 open-market sales across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$GLIBK Liberty Capital Corp/NV5.0K shares @ $21.11$106K