{"filing":{"accession_number":"0001193125-26-362680","cik":"0001552000","ticker":"MPLXP","company_name":"MPLX LP","form":"8-K","filing_date":"2026-08-24","report_date":"2026-08-24","primary_document":"d178331d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1552000/000119312526362680/d178331d8k.htm"},"events":[{"id":29119,"run_id":26646,"accession_number":"0001193125-26-362680","anchor_item_number":"8.01","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.92,"summary":"The filing discloses three new supplemental indentures (the 38th, 39th, and 40th) dated August 24, 2026, each creating new notes under the Issuer's indenture, together with an underwriting agreement dated August 10, 2026 naming multiple underwriters. This constitutes the creation of new direct financial obligations through debt issuance, a material event for a midstream MLP.","company_name":"MPLX LP","ticker":"MPLXP","filing_date":"2026-08-24","form":"8-K","submitted_at":null,"items":[{"id":31287,"accession_number":"0001193125-26-362680","item_number":"8.01","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.92,"reasoning":"The filing discloses three new supplemental indentures (the 38th, 39th, and 40th) dated August 24, 2026, each creating new notes under the Issuer's indenture, together with an underwriting agreement dated August 10, 2026 naming multiple underwriters. This constitutes the creation of new direct financial obligations through debt issuance, a material event for a midstream MLP.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-24T16:17:36.513954+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":31287,"accession_number":"0001193125-26-362680","item_number":"8.01","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.92,"reasoning":"The filing discloses three new supplemental indentures (the 38th, 39th, and 40th) dated August 24, 2026, each creating new notes under the Issuer's indenture, together with an underwriting agreement dated August 10, 2026 naming multiple underwriters. This constitutes the creation of new direct financial obligations through debt issuance, a material event for a midstream MLP.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-24T16:17:36.513954+00:00","company_name":"MPLX LP","ticker":"MPLXP","filing_date":"2026-08-24"}]}