{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-126049","form_type":"8-K","ticker":null,"cik":"0001571371","company_name":"Summit Materials, LLC","filed_at":"2023-12-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.577714+00:00","generated_at":"2026-06-07T12:49:22.679654+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Summit Materials issues $800M 7.250% Senior Notes due 2031 to fund Argos deal","bullets":["Issued $800M of 7.250% Senior Notes due 2031 (maturity Jan 15, 2031) at 100% par.","Proceeds held in escrow; if Argos acquisition not closed by Nov 25, 2024, notes redeemed at special mandatory redemption price.","Net proceeds with incremental term loan to fund Argos deal, repay existing term loans, and pay fees.","Notes are senior unsecured; guaranteed by domestic subsidiaries but not by Summit Materials, Inc.","Redemption: make-whole prior to Jan 2027; then 103.625% (2027), 101.813% (2028), 100% (2029)."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-126049","json":"https://secwatch.observer/filing/0001104659-23-126049.json","markdown":"https://secwatch.observer/filing/0001104659-23-126049.md","text":"https://secwatch.observer/filing/0001104659-23-126049.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1571371/000110465923126049/0001104659-23-126049-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1571371/000110465923126049/tm2330827d7_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T12:49:22.679654+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":"0d9de457781739fb15c94ccd4713278c041be031","claim":"Summit Materials, LLC incurred senior notes of $800.0 million aggregate principal amount with Wilmington Trust, National Association at 7.250% per year maturing January 15, 2031.","evidence_excerpt":"Summit Materials, LLC (the “Company”) and Summit Materials Finance Corp. (together with the Company, the “Issuers”), indirect subsidiaries of Summit Materials, Inc., issued and sold $800.0 million aggregate principal amount of their 7.250% Senior Notes due 2031 (the “Notes”), which mature on January 15, 2031, pursuant to an indenture dated as of December 14, 2023","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1571371/000110465923126049/0001104659-23-126049-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$800.0 million aggregate principal amount"},{"label":"Counterparty","value":"Wilmington Trust, National Association"},{"label":"Rate","value":"7.250% per year"},{"label":"Maturity","value":"January 15, 2031"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"af1c2499c8bd32c87e3243cba34c3312b40ca1a8","claim":"Summit Materials, LLC entered into Indenture with Wilmington Trust, National Association valued at $800.0 million (effective 2023-12-14).","evidence_excerpt":"On December 14, 2023, Summit Materials, LLC (the “Company”) and Summit Materials Finance Corp. (together with the Company, the “Issuers”), indirect subsidiaries of Summit Materials, Inc., issued and sold $800.0 million aggregate principal amount of their 7.250% Senior Notes due 2031 (the “Notes”), which mature on January 15, 2031, pursuant to an indenture dated as of December 14, 2023, by and among the Issuers, the subsidiary guarantors named on the signature pages thereto (the “Guarantors”) and Wilmington Trust, National Association, as trustee (the “Trustee”) (the “Indenture”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1571371/000110465923126049/0001104659-23-126049-index.htm","confidence":0.98,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Counterparty","value":"Wilmington Trust, National Association"},{"label":"Value","value":"$800.0 million"},{"label":"Effective","value":"2023-12-14"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}