InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Browse the complete record of transactions filed by Harris Mark Andrew. Insider active across 1 company, notably Cogent Communications Holdings, INC.. In total, 2 reports have been recorded. History available since 2 September 2025. The latest transaction was filed on 31 December 2025 (Attribution). Regulator: SEC (Form 4). All data is free.
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