InsidersTradesSigma
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Browse the detailed record of transactions filed by Dannegger Matthew M. Director active across 1 company, notably Landstar System INC. Aggregated, 2 filings have been published. Activity tracked since 31 January 2025. The latest transaction was disclosed on 30 January 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
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