InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
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, 12 filings have been recorded. Total volume traded: €52k. The latest transaction was disclosed on 14 May 2026 — Levée d'options. Regulator: SEC (Form 4). All data is openly available.
Declarations12 total
€558,17440,009 shares@ €13.95120.037% mcap68.7% of flow
Common Stock
SEC:0001270606-26-000017·
€558,17440,009 shares@ €13.95120.040% mcap48.9% of flow
Common Stock
SEC:0001270606-26-000017:0·
US$138,7449,991 shares@ US$13.88690.0100% mcap100.0% of flow
Common Stock
SEC:0001270606-26-000015·
€138,7449,991 shares@ €13.88690.0100% mcap12.2% of flow
Common Stock
SEC:0001270606-26-000015:0·
06,249 shares0
Common Stock
SEC:0001415889-22-003484:0·
€52,1882,160 shares@ €24.16110.0037% mcap4.6% of flow
Common Stock
SEC:0001415889-22-003147:0·
043,466 shares0
Common Stock
SEC:0001415889-22-003078:0·
018,051 shares0
Common Stock
SEC:0001415889-22-002851:0·
€253,79622,236 shares@ €11.41370.017% mcap31.3% of flow
Common Stock
SEC:0001415889-21-004354·
€253,79622,236 shares@ €11.41370.018% mcap22.2% of flow
Common Stock
SEC:0001415889-21-004354:0·
036,605 shares0
Common Stock
SEC:0001179110-21-006628:0·
036,605 shares0
Common Stock
SEC:0001179110-21-006628·
12 of 12 declarations
About BIEBER MICHAEL A
Michael A. Bieber is the President and CEO of Willdan Group, Inc. He oversees the company's operations and leads the board of directors, focusing on sustainable growth strategy. His expertise in the utilities sector is crucial for guiding Willdan's initiatives.
