Insiders who reported open-market trades in the last 12 months at the companies Mario J. Gabelli 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.
Mario J. Gabelli is a corporate insider, tracked as 10% Owner of LGL GROUP INC (LGL). InsiderAlpha holds 54 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Mario J. Gabelli last file a Form 4?
The most recent primary Form 4 on record is dated 20 July 2026, one of 54 filings going back to 2024.
Has Mario J. Gabelli been buying or selling stock?
Recorded transactions: 31 open-market purchases ($75.99M) and 14 open-market sales ($987K) across all tracked filings.
Mario J. Gabelli is 10% Owner of LGL GROUP INC (LGL). 54 SEC Form 4 filings on record going back to 2024, most recently on 20 July 2026. Most recent open-market trade: bought $101K of GGT on 25 February 2026. Lifetime open-market purchases: $75.99M. Lifetime open-market sales: $987K.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Mario J. Gabelli.
InsiderAlpha's records for Mario J. Gabelli go back to 2024: 54 primary Form 4 filings, an average of 18.0 per year. The typical open-market purchase is $2.45M (31 buys totaling $75.99M). The largest single buy on record is $31.32M of GDV in 2024. Sales side: 14 recorded sales totaling $987K, so the filing history runs buy-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
