{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-111807","form_type":"8-K","ticker":"SXC","cik":"0001514705","company_name":"SunCoke Energy, Inc.","filed_at":"2023-04-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:39.185448+00:00","generated_at":"2026-06-16T18:50:03.243180+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"SunCoke extends Indiana Harbor coke supply deal with Cleveland-Cliffs through Sept 2035","bullets":["12-year extension of coke supply agreement; new term runs through September 2035.","SunCoke will supply 1.22 million tons of metallurgical coke annually from Indiana Harbor facility.","Key provisions similar to existing contract; no financial terms disclosed.","Indiana Harbor is SunCoke's largest U.S. facility, operational since 1998."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-111807","json":"https://secwatch.observer/filing/0001193125-23-111807.json","markdown":"https://secwatch.observer/filing/0001193125-23-111807.md","text":"https://secwatch.observer/filing/0001193125-23-111807.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1514705/000119312523111807/0001193125-23-111807-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1514705/000119312523111807/d491445d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T18:50:03.243180+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":"0b64e77f1a7cf58ca376eb2e9186829710aab0f7","claim":"SunCoke Energy, Inc. amended Amended and Restated Coke Supply Agreement with Cleveland-Cliffs Steel LLC valued at Extends the term of the existing agreement through September 2035 on terms similar to the existing a (effective 2023-04-24).","evidence_excerpt":"On April 24, 2023, SunCoke Energy, Inc. (the “ Company ”) announced that its Indiana Harbor Coke Company, L.P. subsidiary, located in East Chicago, Indiana, has amended and restated its existing agreement to supply metallurgical coke to Cleveland-Cliffs Steel LLC, a subsidiary of Cleveland-Cliffs Inc. The amended and restated coke supply agreement extends the term of the existing agreement through September 2035 on terms similar to the existing agreement.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1514705/000119312523111807/0001193125-23-111807-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"supply"},{"label":"Counterparty","value":"Cleveland-Cliffs Steel LLC"},{"label":"Value","value":"Extends the term of the existing agreement through September 2035 on terms similar to the existing a"},{"label":"Effective","value":"2023-04-24"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}