secwatch.observer — SEC 8-K summary ====================================== Issuer: Willdan Group, Inc. (WLDN) CIK: 0001370450 Form: 8-K Filed at: 2026-09-23T20:32:11+00:00 Accession: 0001104659-26-110002 Event type: m_and_a Sentiment: positive Materiality: 0.80 Item codes: 1.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Willdan to acquire Mantis Intermediate Holdings for $285M cash -------------------------------------------------------------- - Base purchase price $285M, subject to working capital, cash, debt and expense adjustments; $5M adjustment escrow. - Closing expected October 30, 2026, conditioned on HSR waiting period and no prohibitive law/order. - Willdan Group guarantees subsidiary Willdan Energy Solutions' payment and performance obligations under the agreement. - Buyer secured conditional reps-and-warranties insurance for seller breaches; deal includes customary covenants and termination rights. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1370450/000110465926110002/0001104659-26-110002-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1370450/000110465926110002/tm2625947d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-110002 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer