Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Kosiba John W JR, Chief Financial Officer. Director active across 2 companies, notably American Superconductor CORP. Cumulatively, 36 disclosures have been published. Split: 2 buys · 26 sells. Total volume traded: €8.1m. History available since 20 May 2021. The latest transaction was filed on 3 June 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Kosiba John W JR
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Kosiba John W JR is Directeur Financier at AMERICAN SUPERCONDUCTOR CORP /DE/ and American Superconductor CORP, with 36 filings in total. Among the 36 sampled filings, the period runs from 2021-05-24 to 2026-06-11, and the stated buy amount is EUR 128574 while the stated sell amount is EUR 8013945, with Cession as the modal transaction nature.