Updated: May 19, 2026

Michael A Bieber

WLDNWilldan Group, Inc.SEC CIK: 0001270606
Estimated Net Worth
$41.3 Million0.0%vs Last Year
Last Updated: May 19, 2026 11:12 PM EST

Transaction Summary

Total Transactions95
Buy-Sell Ratio0.98
Buy Transactions46
Sell Transactions47

Transaction Volume

Total Volume$19.44M
Net Volume-$7.53M
Buy Volume$5.95M
Sell Volume$13.48M

Trade Analysis

AVG Trade Size$204.58K
Largest Trade$4.07M
Most Active MonthMar
Most Active Year2024

Trading Sentiment

OverallBearish
Recent TradeSelling
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Michael A Bieber has an estimated net worth of $41.3 Million. This is based on reported shares across multiple companies, which include TETRA TECH INC, and Willdan Group, Inc..



2008 was Michael A Bieber's most active year for acquiring shares with 14 total transactions. Michael A Bieber's most active month to acquire stocks was the month of October. 2024 was Michael A Bieber's most active year for disposing of shares, totalling 25 transactions. Michael A Bieber's most active month to dispose stocks was the month of February. 2026 saw Michael A Bieber paying a total of $1,283,342.73 for 136,553 shares, this is the most they've acquired in one year. In 2026 Michael A Bieber cashed out on 161,391 shares for a total of $8,389,483.93, their largest year based on trade value.

Holdings & Transactions

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