{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-125397","form_type":"8-K","ticker":"WLDN","cik":"0001370450","company_name":"Willdan Group, Inc.","filed_at":"2023-12-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:28.780946+00:00","generated_at":"2026-06-07T14:04:46.060015+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Willdan Group CEO Tom Brisbin to retire; President Mike Bieber named successor effective Dec 30, 2023","bullets":["Tom Brisbin retires as CEO effective Dec 29, 2023, remains Chairman and will serve as part-time consultant.","President Mike Bieber appointed CEO and Board member effective Dec 30, 2023; base salary increased to $525,000.","CFO Kim Early and General Counsel Micah Chen promoted to Executive Vice President effective Dec 30, 2023.","Press release states Willdan on track for nearly $500M revenue in 2023 with 1,600 team members."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-125397","json":"https://secwatch.observer/filing/0001104659-23-125397.json","markdown":"https://secwatch.observer/filing/0001104659-23-125397.md","text":"https://secwatch.observer/filing/0001104659-23-125397.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1370450/000110465923125397/0001104659-23-125397-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1370450/000110465923125397/tm2332674d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T14:04:46.060015+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"0071940318","claim":"Michael A. Bieber was appointed as Director at Willdan Group, Inc..","evidence_excerpt":"the Board increased the size of the Board from seven to eight members and appointed Mr. Bieber to the Board to fill the newly created vacancy","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1370450/000110465923125397/0001104659-23-125397-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"0d88dd3397","claim":"Thomas D. Brisbin retired as Chief Executive Officer at Willdan Group, Inc..","evidence_excerpt":"Thomas D. Brisbin informed the Board of Directors (the “Board”) of Willdan Group, Inc. (the “Company”) of his intention to retire and resign as Chief Executive Officer of the Company, effective December 29, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1370450/000110465923125397/0001104659-23-125397-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"2f73791163","claim":"Michael A. Bieber was appointed as President and Chief Executive Officer at Willdan Group, Inc..","evidence_excerpt":"the Board appointed Michael A. Bieber, the Company’s current President, as President and Chief Executive Officer of the Company, effective as of December 30, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1370450/000110465923125397/0001104659-23-125397-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"President and Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}