SEC Seal
SEC Banner
EDGAR USA Search
EDGAR Search Results
Mailing Address 2401 EAST KATELLA AVENUE, SUITE 300 ANAHEIM CA 92806
Business Address 2401 EAST KATELLA AVENUE, SUITE 300 ANAHEIM CA 92806 800-424-9144
Willdan Group, Inc. CIK#: 0001370450 (see all company filings)

SIC: 8711 - SERVICES-ENGINEERING SERVICES
State location: CA | State of Inc.: DE | Fiscal Year End: 1227
(CF Office: 07 Trade & Services)
Get insider transactions for this issuer.

Filter Results
Search Within Files

(YYYYMMDD)
Ownership?


Enter keywords
Items 1 - 40  0001370450 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001654954-24-005572 (34 Act)  Size: 90 KB
2024-05-03 005-82357
24914986
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-24-006577 (34 Act)  Size: 8 MB
2024-05-03 001-33076
24910202
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001558370-24-006549 (34 Act)  Size: 603 KB
2024-05-02 001-33076
24908565
ARS  Documents Annual Report to Security Holders
Acc-no: 0001558370-24-005372 (34 Act)  Size: 2 MB
2024-04-19 001-33076
24858039
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001558370-24-005370 (34 Act)  Size: 586 KB
2024-04-19 001-33076
24858022
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001558370-24-005368 (34 Act)  Size: 7 MB
2024-04-19 001-33076
24857984
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-24-000688 (33 Act)  Size: 1 KB
2024-03-19 16:30:00 333-277798
24766230
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001104659-24-035023 Size: 7 KB
2024-03-15
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-24-002836 Size: 40 KB
2024-03-14 333-277798
S-3  Documents Registration statement under Securities Act of 1933
Acc-no: 0001104659-24-032459 (33 Act)  Size: 994 KB
2024-03-08 333-277798
24735271
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001558370-24-002758 (34 Act)  Size: 17 MB
2024-03-08 001-33076
24731892
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001558370-24-002742 (34 Act)  Size: 173 KB
2024-03-07 001-33076
24731095
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001558370-24-002729 (34 Act)  Size: 821 KB
2024-03-07 001-33076
24730360
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001558370-24-002215 (34 Act)  Size: 241 KB
2024-02-29 001-33076
24705335
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001102598-24-000008 (34 Act)  Size: 18 KB
2024-02-14 005-82357
24636616
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-005059 (34 Act)  Size: 13 KB
2024-01-29 005-82357
24573086
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001398318-24-000004 (34 Act)  Size: 7 KB
2024-01-24 005-82357
24554361
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001104659-23-125397 (34 Act)  Size: 215 KB
2023-12-12 001-33076
231481755
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-23-017486 (34 Act)  Size: 9 MB
2023-11-03 001-33076
231373981
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001558370-23-017427 (34 Act)  Size: 804 KB
2023-11-02 001-33076
231372604
8-K  Documents   Interactive Data Current report, items 1.01, 1.02, 2.03, 3.03, 7.01, and 9.01
Acc-no: 0001558370-23-016247 (34 Act)  Size: 1 MB
2023-10-05 001-33076
231309298
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-23-013281 (34 Act)  Size: 9 MB
2023-08-04 001-33076
231141706
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001558370-23-013238 (34 Act)  Size: 767 KB
2023-08-03 001-33076
231140312
8-K  Documents   Interactive Data Current report, items 5.03 and 9.01
Acc-no: 0001558370-23-011834 (34 Act)  Size: 521 KB
2023-07-12 001-33076
231085155
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001558370-23-011662 (33 Act)  Size: 207 KB
2023-06-30 333-273079
231062346
8-K  Documents   Interactive Data Current report, items 5.02, 5.07, and 9.01
Acc-no: 0001558370-23-010955 (34 Act)  Size: 545 KB
2023-06-09 001-33076
231005924
SC 13D  Documents General statement of acquisition of beneficial ownership
Acc-no: 0001654954-23-007663 (34 Act)  Size: 102 KB
2023-06-06 005-82357
23994818
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-23-008172 (34 Act)  Size: 7 MB
2023-05-05 001-33076
23890592
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001558370-23-008107 (34 Act)  Size: 617 KB
2023-05-04 001-33076
23888801
ARS  Documents Annual Report to Security Holders
Acc-no: 0001558370-23-006447 (34 Act)  Size: 9 MB
2023-04-21 001-33076
23836834
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001558370-23-006445 (34 Act)  Size: 584 KB
2023-04-21 001-33076
23836803
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001558370-23-006443 (34 Act)  Size: 6 MB
2023-04-21 001-33076
23836773
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001558370-23-003367 (34 Act)  Size: 15 MB
2023-03-10 001-33076
23721232
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001558370-23-003324 (34 Act)  Size: 828 KB
2023-03-09 001-33076
23720036
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001654954-23-001750 (34 Act)  Size: 83 KB
2023-02-15 005-82357
23633327
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001102598-23-000012 (34 Act)  Size: 17 KB
2023-02-10 005-82357
23612034
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-006496 (34 Act)  Size: 13 KB
2023-02-01 005-82357
23577575
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001558370-23-000430 (34 Act)  Size: 293 KB
2023-01-24 001-33076
23545506
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001398318-23-000003 (34 Act)  Size: 7 KB
2023-01-23 005-82357
23542615
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-22-016314 (34 Act)  Size: 10 MB
2022-11-04 001-33076
221359761