InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Discover the complete record of transactions filed by Klein Margaret D.. Officer active across 1 company, notably AMERICAN SUPERCONDUCTOR CORP /DE/. Cumulatively, 4 disclosures have been published. Activity tracked since 5 April 2023. The latest transaction was filed on 3 April 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
4 of 4 declarations