InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
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Discover the full record of transactions filed by Augustyn Mark S. Officer active across 1 company, notably Mercantile Bank CORP. Cumulatively, 2 filings have been logged. Activity tracked since 6 February 2025. The latest transaction was disclosed on 12 December 2025 (Don). Regulator: SEC (Form 4). All data is accessible without signup.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
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