BIEBER MICHAEL A

WLDN

BIEBER MICHAEL A serves as director, officer: PRESIDENT AND CEO at Willdan Group, Inc. (WLDN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

25 trades

$14.89M

Net Position

Net Seller

$14.89M

Companies Traded

WLDN

Active Period

Mar 2021 – May 2026

25 total trades

Most Recent

Sell WLDN

May 15, 2026 · $5.19M

BIEBER MICHAEL A's Insider Trading at Willdan Group, Inc. (WLDN)

Buys

0 · $0.00

Sells

25 · $14.89M

Total Shares Bought

Total Shares Sold

296,591

WLDN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 15, 2026	Sell	56,676	$91.58	$5.19M	280,772
May 14, 2026	Sell	9,991	$92.65	$925.7K	249,525
Aug 18, 2025	Sell	6,788	$109.53	$743.5K	0
May 16, 2025	Sell	25,000	$48.11	$1.20M	0
Mar 24, 2025	Sell	8,246	$42.53	$350.7K	0
Mar 11, 2025	Sell	6,268	$40.11	$251.4K	0
Nov 12, 2024	Sell	10,868	$45.67	$496.3K	173,654
Nov 8, 2024	Sell	1,804	$45.86	$82.7K	173,654
Aug 14, 2024	Sell	750	$36.46	$27.3K	169,726
Aug 12, 2024	Sell	19,482	$36.40	$709.1K	169,726
Aug 8, 2024	Sell	22,346	$36.59	$817.7K	169,726
Jun 14, 2024	Sell	4,460	$30.32	$135.2K	169,043
Jun 13, 2024	Sell	8,858	$30.61	$271.2K	167,503
Jun 12, 2024	Sell	3,333	$31.03	$103.4K	164,361
Aug 28, 2023	Sell	1,026	$24.36	$25.0K	140,738
Aug 24, 2023	Sell	2,386	$23.16	$55.3K	142,872
Mar 14, 2023	Sell	2,852	$16.39	$46.7K	136,113
Mar 13, 2023	Sell	2,722	$15.62	$42.5K	139,287
Mar 10, 2023	Sell	2,932	$17.03	$49.9K	140,593
Aug 12, 2022	Sell	27,277	$27.65	$754.3K	132,598
Aug 11, 2022	Sell	456	$28.00	$12.8K	132,720
Mar 17, 2022	Sell	25,402	$28.04	$712.3K	149,212
Sep 10, 2021	Sell	22,236	$37.88	$842.3K	89,630
Mar 26, 2021	Sell	11,084	$37.87	$419.8K	80,881
Mar 23, 2021	Sell	13,348	$46.91	$626.1K	74,574