InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
No signal scores available.
Explore the detailed record of transactions filed by Gustanski Mary, Director. Insider active across 3 companies, notably Hyliion Holdings Corp.. Cumulatively, 8 reports have been published. History available since 11 October 2021. The latest transaction was disclosed on 11 February 2026 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
8 of 8 declarations
Mary Gustanski is Administrateur and appears in 8 filings in total. In the recent sample of 8 filings, the buy and sell amounts are 0, and the period runs from 2021-10-12 to 2026-02-13. The companies listed are Hyliion Holdings Corp. and Amprius Technologies, Inc., and the modal transaction nature is Attribution.