{"schema_version":"secwatch.filing_event.v1","accession":"0001552000-23-000040","form_type":"8-K","ticker":"MPLX","cik":"0001552000","company_name":"MPLX LP","filed_at":"2023-12-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.484856+00:00","generated_at":"2026-06-07T09:03:11.585381+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"MPLX names C. Kristopher Hagedorn CFO effective Jan 1; Quaid becomes MPC CFO","bullets":["C. Kristopher Hagedorn appointed EVP & CFO effective Jan 1, 2024, replacing John J. Quaid.","Quaid becomes EVP & CFO of Marathon Petroleum Corporation (MPC).","Hagedorn most recently SVP & Controller of MPC; prior VP & Controller of MPLX since 2017.","He also joins board of MPLX GP; current compensation: $450K salary, 60% target bonus, $500K LTI target for 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0001552000-23-000040","json":"https://secwatch.observer/filing/0001552000-23-000040.json","markdown":"https://secwatch.observer/filing/0001552000-23-000040.md","text":"https://secwatch.observer/filing/0001552000-23-000040.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1552000/000155200023000040/0001552000-23-000040-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1552000/000155200023000040/mplx-20231221.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T09:03:11.585381+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":"4fc936f8ea","claim":"C. Kristopher Hagedorn was appointed as member of the Board at MPLX LP.","evidence_excerpt":"the board of managers of MPC Investment LLC, the sole member of MPLX, appointed Mr. Hagedorn to serve as a member of the Board, effective January 1, 2024","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1552000/000155200023000040/0001552000-23-000040-index.htm","confidence":0.9,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"member of the Board"}],"fact_type":"executive_change"},{"claim_id":"823df6959e","claim":"C. Kristopher Hagedorn was appointed as Executive Vice President and Chief Financial Officer at MPLX LP.","evidence_excerpt":"the board of directors (the “Board”) of MPLX GP LLC (\"MPLX\"), the general partner of MPLX LP, appointed C. Kristopher Hagedorn as Executive Vice President and Chief Financial Officer, effective January 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1552000/000155200023000040/0001552000-23-000040-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Vice President and Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"a993a376a0","claim":"John J. Quaid departed as Executive Vice President and Chief Financial Officer at MPLX LP.","evidence_excerpt":"Mr. Hagedorn will succeed John J. Quaid, who will cease to serve as Executive Vice President and Chief Financial Officer of MPLX effective January 1, 2024 to accept a role as Executive Vice President and Chief Financial Officer of Marathon Petroleum Corporation (“MPC”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1552000/000155200023000040/0001552000-23-000040-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"ceased to serve"},{"label":"Role","value":"Executive Vice President and Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}