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Willdan Group, Inc.

SIC 8711 · Services-Engineering Services
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$WLDN

Willdan Group, Inc.

CIK:0001370450|SEC Filings

INDENTURES

EX-4.2
wldn-20241227xex4d2.htm
2025-03-07T00:00:00Z
EX-4.2
wldn-20231229xex4d2.htm
2024-03-08T00:00:00Z
EX-4.2
wldn-20221230xex4d2.htm
2023-03-10T00:00:00Z
EX-4.2
wldn-20211231xex4d2.htm
2022-03-11T00:00:00Z
EX-4.2
wldn-20210101ex42e83acf1.htm
2021-03-17T00:00:00Z
EX-4.2
wldn-20191227ex4232e8a17.htm
2020-03-06T00:00:00Z
EX-4.2
wldn-20260102xex4d2.htm
2026-02-27T00:00:00Z
EX-4.3
tm246759d2_ex4-3.htm
2024-03-08T00:00:00Z
EX-4.4
tm218649d2_ex4-4.htm
2021-03-19T00:00:00Z
EX-4.4
a2231684zex-4_4.htm
2017-04-18T00:00:00Z
EX-4.1
a2173104zex-4_1.htm
2006-09-19T00:00:00Z