Insiders who reported open-market trades in the last 12 months at the companies Mark Locke 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.
Thomas Russell - $326K in GENI purchases and sales in the last 12 months
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Mark Locke is a corporate insider, tracked as Chief Executive Officer, Director of Genius Sports Ltd (GENI). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Mark Locke submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Mark Locke been buying or selling stock?
Recorded transactions: 1 open-market purchase and 4 open-market sales ($5.26M) across all tracked filings.
Mark Locke is Chief Executive Officer, Director of Genius Sports Ltd (GENI). 2 SEC Form 4 filings on record, most recently on 18 September 2026. Most recent open-market trade: sold $327K of GENI on 18 September 2026. Lifetime open-market sales: $5.26M.
Recent transactions
5
The latest 5 SEC Form 4 transactions reported by Mark Locke.
InsiderAlpha's records for Mark Locke go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. Sales side: 4 recorded sales totaling $5.26M. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
