{"schema_version":"secwatch.filing_event.v1","accession":"0000874238-26-000087","form_type":"8-K","ticker":"STRL","cik":"0000874238","company_name":"STERLING INFRASTRUCTURE, INC.","filed_at":"2026-06-09T13:06:04+00:00","discovered_at":"2026-06-09T13:07:00.295587+00:00","generated_at":"2026-06-09T13:07:08.831395+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Sterling closes acquisition of Stone Ridge Contracting; expands into Pacific Northwest","bullets":["Deal closed June 9, 2026; Stone Ridge joins Sterling's E-Infrastructure Solutions segment.","Purchase price includes cash and Sterling common stock plus earn-out based on 2031 EBITDA targets.","Stone Ridge expected to generate $180-200M revenue and mid-teens EBITDA margins in 2026.","Acquisition adds site development services across Idaho, Oregon, Washington, North Dakota, and Texas.","Sterling to update 2026 guidance at Q2 earnings to reflect partial-year Stone Ridge contribution."],"urls":{"canonical":"https://secwatch.observer/filing/0000874238-26-000087","json":"https://secwatch.observer/filing/0000874238-26-000087.json","markdown":"https://secwatch.observer/filing/0000874238-26-000087.md","text":"https://secwatch.observer/filing/0000874238-26-000087.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/874238/000087423826000087/0000874238-26-000087-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/874238/000087423826000087/strl-20260609.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T13:07:08.831395+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}