{"schema_version":"alpha-governance-record-v2","alpha_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce","ontology_version":"alpha-governance-ontology-v1","as_of":"2026-10-17T03:00:09.1491+00:00","published_at":"2026-10-16T13:51:55.971604+00:00","section":"board","data":{"state":"PUBLISHED","size":{"value":11,"assertion_class":"alpha_calculated_metric","basis":"Count of published current board seats in this Record. Roster completeness is not asserted.","input_claim_ids":["alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:6","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:7","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:8","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:9","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:10","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:11","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:12","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:13","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:14","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:15","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:16"]},"chair":null,"lead_independent_director":null,"ceo_chair_combined":null,"independence":{"value":{"independent_directors":8,"directors_with_determination":11,"published_directors":11,"independent_share":0.727},"assertion_class":"alpha_calculated_metric","basis":"Board independence determinations are source facts; the share is computed only over directors with a published determination.","input_claim_ids":["alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:6","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:7","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:8","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:9","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:10","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:11","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:12","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:13","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:14","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:15","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:16"]},"average_tenure_years":{"value":{"years":12.8,"directors_with_start_date":11},"assertion_class":"alpha_calculated_metric","basis":"Average tenure at the Record as-of time, bounded by appointment end dates; directors without a published start date are excluded.","input_claim_ids":["alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:6","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:7","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:8","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:9","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:10","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:11","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:12","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:13","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:14","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:15","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:16"]},"committee_load":{"value":{"average_memberships":1.67,"directors_with_memberships":3},"assertion_class":"alpha_calculated_metric","basis":"Average published committee memberships per current director with at least one published membership.","input_claim_ids":["alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:6","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:7","alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:10"]},"skills_coverage":null,"directors":[{"person":{"alpha_id":"alpha:person:alexandra-d-pruner","name":"Alexandra D. Pruner","canonical_url":"https://registry.alpha.ac/people/alexandra-d-pruner"},"current_role":"Director","director_since":"2018-01-01","director_until":null,"status":"current","independent":{"value":true,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:6","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"2018-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[{"person":{"alpha_id":"alpha:person:alexandra-d-pruner","name":"Alexandra D. Pruner","canonical_url":"https://registry.alpha.ac/people/alexandra-d-pruner"},"committee_id":"alpha:committee:plains-gp-holdings-lp:audit","committee_name":"Audit","role":"chair","valid_from":null,"valid_to":null,"status":"current","claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:18","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:alexandra-d-pruner","name":"Alexandra D. Pruner","canonical_url":"https://registry.alpha.ac/people/alexandra-d-pruner"},"committee_id":"alpha:committee:plains-gp-holdings-lp:audit-chair","committee_name":"Audit · Chair","role":"member","valid_from":"2018-01-01","valid_to":null,"status":"current","claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:6","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"}],"committee_chairs":["Audit"],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:6","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:bobby-s-shackouls","name":"Bobby S. Shackouls","canonical_url":"https://registry.alpha.ac/people/bobby-s-shackouls"},"current_role":"Director","director_since":"2014-01-01","director_until":null,"status":"current","independent":{"value":true,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:7","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"2014-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[{"person":{"alpha_id":"alpha:person:bobby-s-shackouls","name":"Bobby S. Shackouls","canonical_url":"https://registry.alpha.ac/people/bobby-s-shackouls"},"committee_id":"alpha:committee:plains-gp-holdings-lp:compensation","committee_name":"Compensation","role":"chair","valid_from":null,"valid_to":null,"status":"current","claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:23","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:bobby-s-shackouls","name":"Bobby S. Shackouls","canonical_url":"https://registry.alpha.ac/people/bobby-s-shackouls"},"committee_id":"alpha:committee:plains-gp-holdings-lp:compensation-chair","committee_name":"Compensation · Chair","role":"member","valid_from":"2014-01-01","valid_to":null,"status":"current","claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:7","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"}],"committee_chairs":["Compensation"],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:7","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:ellen-r-desanctis-2","name":"Ellen R. DeSanctis","canonical_url":"https://registry.alpha.ac/people/ellen-r-desanctis-2"},"current_role":"Director","director_since":"2022-01-01","director_until":null,"status":"current","independent":{"value":true,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:8","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"2022-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[],"committee_chairs":[],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:8","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:greg-l-armstrong","name":"Greg L. Armstrong","canonical_url":"https://registry.alpha.ac/people/greg-l-armstrong"},"current_role":"Director","director_since":"1998-01-01","director_until":null,"status":"current","independent":{"value":false,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:9","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"1998-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[],"committee_chairs":[],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:9","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:gary-r-petersen","name":"Greg Petersen","canonical_url":"https://registry.alpha.ac/people/gary-r-petersen"},"current_role":"Director","director_since":"2001-01-01","director_until":null,"status":"current","independent":{"value":true,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:10","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"2001-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[{"person":{"alpha_id":"alpha:person:gary-r-petersen","name":"Greg Petersen","canonical_url":"https://registry.alpha.ac/people/gary-r-petersen"},"committee_id":"alpha:committee:plains-gp-holdings-lp:compensation","committee_name":"Compensation","role":"member","valid_from":"2001-01-01","valid_to":null,"status":"current","claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:23","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"}],"committee_chairs":[],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:10","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:harry-n-pefanis-2","name":"Harry N. Pefanis","canonical_url":"https://registry.alpha.ac/people/harry-n-pefanis-2"},"current_role":"Director","director_since":"2017-01-01","director_until":null,"status":"current","independent":{"value":false,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:11","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"2017-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[],"committee_chairs":[],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:11","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:john-t-raymond-2","name":"John T. Raymond","canonical_url":"https://registry.alpha.ac/people/john-t-raymond-2"},"current_role":"Director","director_since":"2013-01-01","director_until":null,"status":"current","independent":{"value":true,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:12","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"2013-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[],"committee_chairs":[],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:12","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:kevin-s-mccarthy","name":"Kevin S. McCarthy","canonical_url":"https://registry.alpha.ac/people/kevin-s-mccarthy"},"current_role":"Director","director_since":"2020-01-01","director_until":null,"status":"current","independent":{"value":true,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:13","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"2020-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[],"committee_chairs":[],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:13","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:lawrence-m-ziemba-2","name":"Lawrence M. Ziemba","canonical_url":"https://registry.alpha.ac/people/lawrence-m-ziemba-2"},"current_role":"Director","director_since":"2020-01-01","director_until":null,"status":"current","independent":{"value":true,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:14","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"2020-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[],"committee_chairs":[],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:14","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:victor-burk-2","name":"Victor Burk","canonical_url":"https://registry.alpha.ac/people/victor-burk-2"},"current_role":"Director","director_since":"2014-01-01","director_until":null,"status":"current","independent":{"value":true,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:15","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"2014-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[],"committee_chairs":[],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:15","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:willie-cw-chiang","name":"Willie Chiang","canonical_url":"https://registry.alpha.ac/people/willie-cw-chiang"},"current_role":"Director","director_since":"2017-01-01","director_until":null,"status":"current","independent":{"value":false,"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:16","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported","valid_from":"2017-01-01","valid_to":null},"board_chair":false,"lead_independent_director":null,"committee_memberships":[],"committee_chairs":[],"skills":[],"fields_not_published":["age","ownership","director_compensation","attendance","overboarding"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:16","evidence_ids":["alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:ellen-r-desanctis","name":"Ellen R. DeSanctis","canonical_url":"https://registry.alpha.ac/people/ellen-r-desanctis"},"current_role":"Director (committee appointment)","director_since":null,"director_until":null,"status":"unknown","independent":null,"board_chair":null,"lead_independent_director":null,"committee_memberships":[{"person":{"alpha_id":"alpha:person:ellen-r-desanctis","name":"Ellen R. DeSanctis","canonical_url":"https://registry.alpha.ac/people/ellen-r-desanctis"},"committee_id":"alpha:committee:plains-gp-holdings-lp:audit","committee_name":"Audit","role":"member","valid_from":null,"valid_to":null,"status":"current","claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:18","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"}],"committee_chairs":[],"skills":[],"fields_not_published":["independent","age","ownership","director_compensation","attendance","overboarding","director_since"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:18","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:john-t-raymond","name":"John T. Raymond","canonical_url":"https://registry.alpha.ac/people/john-t-raymond"},"current_role":"Director (committee appointment)","director_since":null,"director_until":null,"status":"unknown","independent":null,"board_chair":null,"lead_independent_director":null,"committee_memberships":[{"person":{"alpha_id":"alpha:person:john-t-raymond","name":"John T. Raymond","canonical_url":"https://registry.alpha.ac/people/john-t-raymond"},"committee_id":"alpha:committee:plains-gp-holdings-lp:compensation","committee_name":"Compensation","role":"member","valid_from":null,"valid_to":null,"status":"current","claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:23","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"}],"committee_chairs":[],"skills":[],"fields_not_published":["independent","age","ownership","director_compensation","attendance","overboarding","director_since"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:23","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:lawrence-m-ziemba","name":"Lawrence M. Ziemba","canonical_url":"https://registry.alpha.ac/people/lawrence-m-ziemba"},"current_role":"Director (committee appointment)","director_since":null,"director_until":null,"status":"unknown","independent":null,"board_chair":null,"lead_independent_director":null,"committee_memberships":[{"person":{"alpha_id":"alpha:person:lawrence-m-ziemba","name":"Lawrence M. Ziemba","canonical_url":"https://registry.alpha.ac/people/lawrence-m-ziemba"},"committee_id":"alpha:committee:plains-gp-holdings-lp:audit","committee_name":"Audit","role":"member","valid_from":null,"valid_to":null,"status":"current","claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:18","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"}],"committee_chairs":[],"skills":[],"fields_not_published":["independent","age","ownership","director_compensation","attendance","overboarding","director_since"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:18","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:victor-burk","name":"Victor Burk","canonical_url":"https://registry.alpha.ac/people/victor-burk"},"current_role":"Director (committee appointment)","director_since":null,"director_until":null,"status":"unknown","independent":null,"board_chair":null,"lead_independent_director":null,"committee_memberships":[{"person":{"alpha_id":"alpha:person:victor-burk","name":"Victor Burk","canonical_url":"https://registry.alpha.ac/people/victor-burk"},"committee_id":"alpha:committee:plains-gp-holdings-lp:audit","committee_name":"Audit","role":"member","valid_from":null,"valid_to":null,"status":"current","claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:18","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"},{"person":{"alpha_id":"alpha:person:victor-burk","name":"Victor Burk","canonical_url":"https://registry.alpha.ac/people/victor-burk"},"committee_id":"alpha:committee:plains-gp-holdings-lp:compensation","committee_name":"Compensation","role":"member","valid_from":null,"valid_to":null,"status":"current","claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:23","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"}],"committee_chairs":[],"skills":[],"fields_not_published":["independent","age","ownership","director_compensation","attendance","overboarding","director_since"],"claim_id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:18","evidence_ids":["alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a"],"assertion_class":"source_fact","verification_state":"source_reported"}],"fields_not_published":["chair","lead_independent_director","board_type","median_tenure","average_age","refreshment_rate","gender_diversity","geographic_diversity","succession_risk","overboarding","board_interlocks","attendance"]},"claims":[{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:6","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:alexandra-d-pruner","object_label":"Alexandra D. Pruner","object_source_name_forms":[],"value":"Alexandra D. Pruner: Director, Audit · Chair","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:alexandra-d-pruner","name":"Alexandra D. Pruner"},"title":"Director","role_category":"director","committee":"Audit · Chair","is_board_chair":false,"is_independent":true,"start_date":"2018-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2018-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"2018-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:7","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:bobby-s-shackouls","object_label":"Bobby S. Shackouls","object_source_name_forms":[],"value":"Bobby S. Shackouls: Director, Compensation · Chair","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:bobby-s-shackouls","name":"Bobby S. Shackouls"},"title":"Director","role_category":"director","committee":"Compensation · Chair","is_board_chair":false,"is_independent":true,"start_date":"2014-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2014-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"2014-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:8","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:ellen-r-desanctis-2","object_label":"Ellen R. DeSanctis","object_source_name_forms":[],"value":"Ellen R. DeSanctis: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:ellen-r-desanctis-2","name":"Ellen R. DeSanctis"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2022-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2022-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"2022-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:9","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:greg-l-armstrong","object_label":"Greg L. Armstrong","object_source_name_forms":[],"value":"Greg L. Armstrong: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:greg-l-armstrong","name":"Greg L. Armstrong"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":false,"start_date":"1998-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"1998-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"1998-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:10","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:gary-r-petersen","object_label":"Greg Petersen","object_source_name_forms":[],"value":"Greg Petersen: Director, Compensation","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:gary-r-petersen","name":"Greg Petersen"},"title":"Director","role_category":"director","committee":"Compensation","is_board_chair":false,"is_independent":true,"start_date":"2001-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2001-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"2001-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:11","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:harry-n-pefanis-2","object_label":"Harry N. Pefanis","object_source_name_forms":[],"value":"Harry N. Pefanis: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:harry-n-pefanis-2","name":"Harry N. Pefanis"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":false,"start_date":"2017-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2017-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"2017-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:12","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:john-t-raymond-2","object_label":"John T. Raymond","object_source_name_forms":[],"value":"John T. Raymond: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:john-t-raymond-2","name":"John T. Raymond"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2013-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2013-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"2013-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:13","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:kevin-s-mccarthy","object_label":"Kevin S. McCarthy","object_source_name_forms":[],"value":"Kevin S. McCarthy: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:kevin-s-mccarthy","name":"Kevin S. McCarthy"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2020-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2020-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"2020-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:14","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:lawrence-m-ziemba-2","object_label":"Lawrence M. Ziemba","object_source_name_forms":[],"value":"Lawrence M. Ziemba: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:lawrence-m-ziemba-2","name":"Lawrence M. Ziemba"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2020-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2020-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"2020-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:15","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:victor-burk-2","object_label":"Victor Burk","object_source_name_forms":[],"value":"Victor Burk: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:victor-burk-2","name":"Victor Burk"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":true,"start_date":"2014-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2014-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"2014-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:leadership_role:16","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardOrCommitteeRole","object_id":"alpha:person:willie-cw-chiang","object_label":"Willie Chiang","object_source_name_forms":[],"value":"Willie Chiang: Director","claim_type":"leadership_role","predicate_id":"alpha:predicate:leadership_role","predicate_version":1,"machine_key":"leadership_role","human_label":"Leadership Role","governed_predicate":true,"machine_value":{"kind":"board_seat","person":{"alpha_id":"alpha:person:willie-cw-chiang","name":"Willie Chiang"},"title":"Director","role_category":"director","committee":null,"is_board_chair":false,"is_independent":false,"start_date":"2017-01-01","end_date":null},"corroboration_count":1,"source_claim_count":1,"valid_from":"2017-01-01","valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":"2026-04-10","effective_from":"2017-01-01","effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"confirmed","review_state":"none","confidence":0.85,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:18","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardCommittee","object_id":null,"object_label":null,"object_source_name_forms":[],"value":"Audit: Chair Alexandra D. Pruner; Members Alexandra D. Pruner (Chair); Ellen R. DeSanctis; Lawrence M. Ziemba; Victor Burk","claim_type":"committee_record","predicate_id":"alpha:predicate:committee_record","predicate_version":1,"machine_key":"committee_record","human_label":"Committee Record","governed_predicate":true,"machine_value":{"name":"Audit","canonical_type":"audit","chair":"Alexandra D. Pruner","members":[{"display_name":"Alexandra D. Pruner","person_slug":"alexandra-d-pruner","is_chair":true},{"display_name":"Ellen R. DeSanctis","person_slug":"ellen-r-desanctis","is_chair":false},{"display_name":"Lawrence M. Ziemba","person_slug":"lawrence-m-ziemba","is_chair":false},{"display_name":"Victor Burk","person_slug":"victor-burk","is_chair":false}],"source_id":"board_seats"},"corroboration_count":1,"source_claim_count":1,"valid_from":null,"valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a","identity_scope":"representation_reference","source_type":"board_seats","title":"Audit","publisher":"board_seats","url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":null,"retrieved_at":null,"locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":null,"effective_from":null,"effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"source_reported","review_state":"none","confidence":null,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"},{"id":"alpha:claim:company:54c48d4d-e03a-47a0-a244-19e166d02553:committee_record:23","subject_id":"alpha:company:54c48d4d-e03a-47a0-a244-19e166d02553","predicate":"alpha:hasBoardCommittee","object_id":null,"object_label":null,"object_source_name_forms":[],"value":"Compensation: Chair Bobby S. Shackouls; Members Bobby S. Shackouls (Chair); Greg Petersen; John T. Raymond; Victor Burk","claim_type":"committee_record","predicate_id":"alpha:predicate:committee_record","predicate_version":1,"machine_key":"committee_record","human_label":"Committee Record","governed_predicate":true,"machine_value":{"name":"Compensation","canonical_type":"compensation","chair":"Bobby S. Shackouls","members":[{"display_name":"Bobby S. Shackouls","person_slug":"bobby-s-shackouls","is_chair":true},{"display_name":"Greg Petersen","person_slug":"gary-r-petersen","is_chair":false},{"display_name":"John T. Raymond","person_slug":"john-t-raymond","is_chair":false},{"display_name":"Victor Burk","person_slug":"victor-burk","is_chair":false}],"source_id":"board_seats"},"corroboration_count":1,"source_claim_count":1,"valid_from":null,"valid_to":null,"recorded_at":"2026-10-16T13:51:55.971604+00:00","sources":[{"id":"alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a","identity_scope":"representation_reference","source_type":"board_seats","title":"Audit","publisher":"board_seats","url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":null,"retrieved_at":null,"locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"source_date":null,"effective_from":null,"effective_until":null,"observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":null,"verification_state":"source_reported","legacy_verification_label":"source_reported","review_state":"none","confidence":null,"assertion_type":"source_reported","evidence_state":"linked","publication_state":"PUBLISHED","record_version":"public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce"}],"evidence":[{"id":"alpha:projection-evidence:document:22089943b48d5222f2f804579d770571526cdd6fd11d1ee2b8152201cde3b9cf","identity_scope":"source_document_reference","source_type":"sec_proxy","title":"Plains GP Holdings DEF 14A 2026-04-10","publisher":null,"url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":"2026-04-10","retrieved_at":"2026-04-24T22:43:01.79+00:00","locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}},{"id":"alpha:projection-evidence:26084aa12e483481d62d271389b311c7d4481b3fa98f3905d5190f74f3a5fb6a","identity_scope":"representation_reference","source_type":"board_seats","title":"Audit","publisher":"board_seats","url":"https://www.sec.gov/Archives/edgar/data/1581990/000110465926041724/tm261431-1_def14a.htm","source_date":null,"retrieved_at":null,"locator":null,"use_rights":{"schema_version":"alpha-source-use-rights-v1","classification":"unknown","public_retrieval":"not_specified","agent_retrieval":"not_specified","redistribution":"not_granted","derived_use":"not_specified","model_training":"not_granted","retention":"not_specified","attribution_required":null,"license_id":null,"terms_url":null,"reviewed_at":null,"derivation":"fail_closed_unknown"}}],"coverage_state":"PUBLISHED","quality":{"schema_version":"alpha-record-quality-v2","overall":0.837,"status":"strong","publication_readiness":"ready","dimensions":{"identity":1,"coverage":0.5,"freshness":1,"evidence_completeness":1,"source_authority":0.88,"cross_source_agreement":0.75,"temporal_completeness":0.6},"diagnostics":{"published_claims":27,"factual_claims":27,"claims_with_linked_evidence":27,"disputed_claims":0,"conflicts":0,"stale_claims":0,"stale_claim_ids":[],"temporal_claims":20,"temporal_claims_with_valid_from":12,"missing_coverage_sections":["governance","financials","workforce","ownership","ratings"],"missing_expected_claims":["headquarters","official_website","financial_metric","governance_document","ownership","auditor","legal_matter","risk","ai_governance"]},"derivation":"deterministic_record_projection"},"publication":{"state":"PUBLISHED","published_at":"2026-10-16T13:51:55.971604+00:00","observed_at":"2026-10-16T13:51:55.971604+00:00","reviewed_at":"2026-10-16T13:51:55.971604+00:00","verified_at":"2026-10-16T13:51:55.971604+00:00"},"verification":{"schema_version":"alpha-verification-states-v1","state":"source_reported","identity_ownership":"unclaimed","assurance_level":null,"claim_state_counts":{"source_reported":27,"corroborated":0,"alpha_verified":0,"disputed":0,"superseded":0},"derivation":"claim_states+identity_ownership","summary":"Published claims are reported by public sources; none is Alpha verified. Profile ownership is unclaimed.","facets":[{"facet":"identity","state":"unclaimed"},{"facet":"evidence","state":"source_reported"},{"facet":"evaluation","state":"not_evaluated"},{"facet":"monitoring","state":null},{"facet":"authority","state":null},{"facet":"freshness","state":"current"}]},"rights":{"public_retrieval":"allowed","agent_retrieval":"allowed","redistribution":"not_granted","model_training":"not_granted","commercial_use":"not_specified","relationship_pathfinding":"not_granted","direct_contact":"not_granted"},"resource":{"uri":"alpha://company/plains-gp-holdings-lp/board","section":"board","href":"https://registry.alpha.ac/api/public/companies/plains-gp-holdings-lp?format=record&section=board","media_type":"application/json","availability":"contract"},"limitations":["Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.","Only explicitly published canonical company identity and current confirmed public roles are included.","Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.","Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.","This Company Profile is an identity and evidence record, not an Alpha rating."]}