InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Explore the full record of transactions filed by Mattis Julia C. Officer active across 1 company, notably InterDigital, Inc.. In total, 6 disclosures have been recorded. Activity tracked since 22 October 2025. The latest transaction was disclosed on 22 April 2026 (Attribution). Regulator: SEC (Form 4). The full history is free.
6 of 6 declarations
Mattis Julia C is a declarant with 4 filings in total. The 4 sampled filings, all at InterDigital, Inc., cover the period from 2025-10-24 to 2026-04-24 and concern attributions, with no reported buys or sells.