Michael A. Bieber owns 1.64% of Willdan Group
249,525 shares as of the May 14, 2026 filing, worth $18M at the latest close.
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Free.
The stake
1.64%
worth $18M at the latest close
Stake rank
#1,309
by dollar value of the stake
Last sale
803 days ago
Aug 7, 2024
Last buy
None
no purchases since 2018
Michael A. Bieber owns 1.64% of Willdan Group, Inc.: 249,525 of 15,232,091 shares, worth about $18M at the 2026-10-16 close. The stake has moved from 0.05% in 2016 to 1.64% on 2026-08-06, across 17 sales and 0 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $817,727 on 2024-08-07.
How the stake is held
as of the May 14, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated May 14, 2026 · Form 4 ↗
HELD DIRECTLY
249,525
100.0%
THE STAKE
249,525
1.64%