Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the full record of transactions filed by Bieber Michael A, Chief Executive Officer. Insider active across 2 companies, notably Willdan Group, Inc.. In total, 48 filings have been recorded. Split: 0 buy · 11 sells. Total volume traded: €5.7m. Activity tracked since 9 June 2021. The latest transaction was filed on 14 May 2026 (Cession). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Bieber Michael A
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
BIEBER MICHAEL A is Directeur Général and is linked to Willdan Group, Inc., where he is PRESIDENT AND CEO. The total number of filings is 48, and, across the sampled recent filings, the volumes are EUR 0 in buys and EUR 5717259 in sells, over the period from 2021-06-11 to 2026-05-15.