InsidersTradesSigma
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Explore the detailed record of transactions filed by Siemiatkowski Sebastian. Insider active across 1 company, notably Klarna Group plc. In total, 1 filings have been logged. Split: 1 buy · 0 sell. Total volume traded: €8.5m. Activity tracked since 26 August 2026. The latest transaction was filed on 26 August 2026 (Acquisition). Regulator: SEC (Form 4). All data is free.
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