Bieber Michael A (CIK 0001270606)

Latest company ownership

Shares held
207,542
Last filed at
Aug 20, 2025
Confidence Score
56.4
2025Q4
Confidence Score History
2015Q2 2025Q4
Role: President
Shares held
5,000
Last filed at
Feb 27, 2015
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Aug 18, 2025 Aug 20, 2025 Willdan Group, Inc. CEO Sell 90.0 +6,175 3.07% $743.5K
May 16, 2025 May 20, 2025 Willdan Group, Inc. CEO Sell 17.5 -25,000 -11.06% $1.2M
Mar 24, 2025 Mar 26, 2025 Willdan Group, Inc. CEO Sell 90.0 +7,504 3.88% $350.7K
Mar 20, 2025 Mar 24, 2025 Willdan Group, Inc. CEO Sell 42.5 -3,054 -1.55% $131.5K
Mar 11, 2025 Mar 12, 2025 Willdan Group, Inc. CEO Sell 90.0 +5,702 3.32% $251.4K
Mar 7, 2025 Mar 11, 2025 Willdan Group, Inc. CEO Sell 42.5 -2,429 -1.40% $101.5K
Nov 11, 2024 Nov 12, 2024 Willdan Group, Inc. CEO Sell 20.0 -10,868 -5.89% $496.3K
Nov 6, 2024 Nov 8, 2024 Willdan Group, Inc. CEO Sell 22.5 -1,804 -1.03% $82.7K
Aug 19, 2024 Aug 21, 2024 Willdan Group, Inc. CEO Sell 82.5 +3,928 2.31% $161.3K
Aug 12, 2024 Aug 14, 2024 Willdan Group, Inc. CEO Sell 43.8 -750 -0.44% $27.3K
Aug 8, 2024 Aug 12, 2024 Willdan Group, Inc. CEO Sell 20.0 -19,482 -5.43% $709.1K
Aug 6, 2024 Aug 8, 2024 Willdan Group, Inc. CEO Sell 20.0 -22,346 -6.18% $817.7K
Jun 13, 2024 Jun 14, 2024 Willdan Group, Inc. CEO Sell 22.5 -4,460 -2.57% $135.2K
Jun 11, 2024 Jun 13, 2024 Willdan Group, Inc. CEO Sell 20.0 -8,858 -2.59% $271.2K
Jun 10, 2024 Jun 12, 2024 Willdan Group, Inc. CEO Sell 22.5 -3,333 -1.99% $103.4K
Mar 20, 2024 Mar 22, 2024 Willdan Group, Inc. CEO Sell 95.0 +24,167 17.38% $146.1K
Mar 7, 2024 Mar 11, 2024 Willdan Group, Inc. CEO Sell 46.3 -2,201 -1.56% $43.7K
Aug 24, 2023 Aug 28, 2023 Willdan Group, Inc. President Sell 48.8 -1,026 -0.72% $25K
Aug 22, 2023 Aug 24, 2023 Willdan Group, Inc. President Sell 42.5 -2,386 -1.66% $55.3K
Mar 13, 2023 Mar 14, 2023 Willdan Group, Inc. President Sell 46.3 -2,852 -2.07% $46.7K
Mar 10, 2023 Mar 13, 2023 Willdan Group, Inc. President Sell 46.3 -2,722 -1.94% $42.5K
Mar 9, 2023 Mar 10, 2023 Willdan Group, Inc. President Sell 46.3 -2,932 -2.04% $49.9K
Aug 10, 2022 Aug 12, 2022 Willdan Group, Inc. President Sell 20.0 -27,277 -17.34% $754.3K
Aug 9, 2022 Aug 11, 2022 Willdan Group, Inc. President Sell 43.8 -456 -0.34% $12.8K
Mar 28, 2022 Mar 30, 2022 Willdan Group, Inc. President Sell 87.5 +6,217 4.94% $210.8K
Mar 15, 2022 Mar 17, 2022 Willdan Group, Inc. President Sell 40.0 -25,402 -16.78% $712.3K
Sep 8, 2021 Sep 10, 2021 Willdan Group, Inc. President Sell 20.0 -22,236 -19.88% $842.3K
Jun 9, 2021 Jun 11, 2021 Willdan Group, Inc. President Sell 97.5 +17,441 24.29% $752.6K
Mar 22, 2021 Mar 26, 2021 Willdan Group, Inc. President Sell 40.0 -13,200 -1.89% $500.6K
Mar 11, 2021 Mar 23, 2021 Willdan Group, Inc. President Sell 97.5 +9,530 12.63% $626.1K
Jun 19, 2020 Jun 22, 2020 Willdan Group, Inc. President Sell 40.0 -30,934 -38.37% $726K
Mar 2, 2020 Mar 12, 2020 Willdan Group, Inc. President Sell 97.5 +3,564 14.99% $935.7K
Mar 8, 2019 May 7, 2019 Willdan Group, Inc. President Sell 46.3 -443 -1.88% $15.9K
Mar 5, 2019 Mar 26, 2019 Willdan Group, Inc. President Sell 97.5 +20,179 605.43% $501.2K
May 23, 2018 May 25, 2018 Willdan Group, Inc. President Sell 22.5 -4,000 -54.55% $108K
Jun 12, 2015 Jun 12, 2015 Willdan Group, Inc. SVP, Corporate Development Buy 95.0 +4,000 100.00% $55.8K
Feb 25, 2015 Feb 27, 2015 TETRA TECH INC President Sell 17.5 -67,813 -75.85% $1.7M
Nov 22, 2014 Dec 3, 2014 TETRA TECH INC President Sell 26.3 -1,025 -4.90% $27.9K
Nov 21, 2014 Nov 25, 2014 TETRA TECH INC President Sell 78.8 +341 1.73% $22K
Nov 16, 2014 Nov 18, 2014 TETRA TECH INC President Sell 37.5 -188 -0.94% $5.1K