Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001104659-21-020599
Filing Date
2021-02-11
Accepted
2021-02-11 15:06:42
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G/A tm216055-14_sc13ga.htm SC 13G/A 58761
  Complete submission text file 0001104659-21-020599.txt   60242
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. (Subject) CIK: 0001370450 (see all company filings)

EIN.: 141951112 | State of Incorp.: DE | Fiscal Year End: 0101
Type: SC 13G/A | Act: 34 | File No.: 005-82357 | Film No.: 21619027
SIC: 8711 Services-Engineering Services

Mailing Address 150 NORTH RIVERSIDE PLAZA CHICAGO IL 60606
Business Address 150 NORTH RIVERSIDE PLAZA CHICAGO IL 60606 312-236-1600
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (Filed by) CIK: 0001644956 (see all company filings)

EIN.: 472614791 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A