{"cik":275880,"company":{"entity_status":"ACTIVE","filings":[{"accession":"0001193125-26-412292","document":"xslF345X06/ownership.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-10-01"},{"accession":"0001193125-26-412278","document":"xslF345X06/ownership.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-10-01"},{"accession":"0001193125-26-342501","document":"xslF345X06/ownership.xml","filed":"2026-08-10","form":"4","items":"","report_date":"2026-08-07"},{"accession":"0001193125-26-322066","document":"psn-20260630.htm","filed":"2026-07-29","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0001193125-26-322054","document":"psn-20260729.htm","filed":"2026-07-29","form":"8-K","items":"2.02,9.01","report_date":"2026-07-29"},{"accession":"0001193125-26-294723","document":"xslF345X06/ownership.xml","filed":"2026-07-02","form":"4","items":"","report_date":"2026-07-01"},{"accession":"0001193125-26-294717","document":"xslF345X06/ownership.xml","filed":"2026-07-02","form":"4","items":"","report_date":"2026-07-01"},{"accession":"0001193125-26-224189","document":"xslF345X06/ownership.xml","filed":"2026-05-14","form":"4","items":"","report_date":"2026-05-13"},{"accession":"0001193125-26-221736","document":"xslF345X06/ownership.xml","filed":"2026-05-13","form":"4","items":"","report_date":"2026-05-12"},{"accession":"0001193125-26-219705","document":"xslF345X06/ownership.xml","filed":"2026-05-12","form":"4","items":"","report_date":"2026-05-11"},{"accession":"0001193125-26-188898","document":"psn-20260429.htm","filed":"2026-04-29","form":"8-K","items":"2.02,9.01","report_date":"2026-04-29"},{"accession":"0001193125-26-188862","document":"psn-20260331.htm","filed":"2026-04-29","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0001193125-26-157010","document":"psn-20260414.htm","filed":"2026-04-15","form":"8-K","items":"5.07","report_date":"2026-04-14"},{"accession":"0001193125-26-110775","document":"psn-20260317.htm","filed":"2026-03-17","form":"8-K","items":"5.02,7.01,9.01","report_date":"2026-03-17"},{"accession":"0001193125-26-085390","document":"psn-20260302.htm","filed":"2026-03-02","form":"DEF 14A","items":"","report_date":"2026-03-02"},{"accession":"0001193125-26-076537","document":"psn-20260220.htm","filed":"2026-02-26","form":"8-K","items":"5.02","report_date":"2026-02-20"},{"accession":"0001193125-26-045495","document":"psn-20251231.htm","filed":"2026-02-11","form":"10-K","items":"","report_date":"2025-12-31"},{"accession":"0001193125-26-045483","document":"psn-20260211.htm","filed":"2026-02-11","form":"8-K","items":"2.02,9.01","report_date":"2026-02-11"},{"accession":"0001193125-26-014152","document":"psn-20260115.htm","filed":"2026-01-15","form":"8-K","items":"8.01,9.01","report_date":"2026-01-15"},{"accession":"0001193125-25-324802","document":"psn-20251218.htm","filed":"2025-12-18","form":"8-K","items":"5.02","report_date":"2025-12-18"},{"accession":"0001193125-25-306981","document":"psn-20251201.htm","filed":"2025-12-03","form":"8-K","items":"5.02","report_date":"2025-12-01"},{"accession":"0001193125-25-265659","document":"psn-20250930.htm","filed":"2025-11-05","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0001193125-25-265650","document":"psn-20251105.htm","filed":"2025-11-05","form":"8-K","items":"2.02,9.01","report_date":"2025-11-05"},{"accession":"0000950170-25-103507","document":"psn-20250630.htm","filed":"2025-08-06","form":"10-Q","items":"","report_date":"2025-06-30"},{"accession":"0000950170-25-103505","document":"psn-20250806.htm","filed":"2025-08-06","form":"8-K","items":"2.02,9.01","report_date":"2025-08-06"},{"accession":"0001193125-25-135958","document":"d43746d8k.htm","filed":"2025-06-05","form":"8-K","items":"1.01,1.02,9.01","report_date":"2025-06-05"},{"accession":"0000950170-25-080400","document":"psn-20250602.htm","filed":"2025-06-02","form":"8-K","items":"8.01,9.01","report_date":"2025-06-02"},{"accession":"0000950170-25-060544","document":"psn-20250331.htm","filed":"2025-04-30","form":"10-Q","items":"","report_date":"2025-03-31"},{"accession":"0000950170-25-060541","document":"psn-20250430.htm","filed":"2025-04-30","form":"8-K","items":"2.02,9.01","report_date":"2025-04-30"},{"accession":"0000950170-25-054863","document":"psn-20250416.htm","filed":"2025-04-16","form":"8-K","items":"5.07","report_date":"2025-04-16"},{"accession":"0001193125-25-061456","document":"d889050d8k.htm","filed":"2025-03-24","form":"8-K","items":"8.01,9.01","report_date":"2025-03-20"},{"accession":"0000950170-25-033061","document":"psn-20250303.htm","filed":"2025-03-05","form":"DEF 14A","items":"","report_date":"2025-04-15"},{"accession":"0000950170-25-022754","document":"psn-20241231.htm","filed":"2025-02-19","form":"10-K","items":"","report_date":"2024-12-31"},{"accession":"0000950170-25-022753","document":"psn-20250219.htm","filed":"2025-02-19","form":"8-K","items":"2.02,9.01","report_date":"2025-02-19"},{"accession":"0000950170-24-118574","document":"psn-20240930.htm","filed":"2024-10-30","form":"10-Q","items":"","report_date":"2024-09-30"},{"accession":"0000950170-24-118572","document":"psn-20241030.htm","filed":"2024-10-30","form":"8-K","items":"2.02,9.01","report_date":"2024-10-30"},{"accession":"0000950170-24-088219","document":"psn-20240630.htm","filed":"2024-07-31","form":"10-Q","items":"","report_date":"2024-06-30"},{"accession":"0000950170-24-088218","document":"psn-20240731.htm","filed":"2024-07-31","form":"8-K","items":"2.02,9.01","report_date":"2024-07-31"},{"accession":"0000950170-24-050876","document":"psn-20240331.htm","filed":"2024-05-01","form":"10-Q","items":"","report_date":"2024-03-31"},{"accession":"0000950170-24-050874","document":"psn-20240501.htm","filed":"2024-05-01","form":"8-K","items":"2.02,9.01","report_date":"2024-05-01"}],"former_names":[{"from":"2019-02-11T05:00:00.000Z","name":"PARSON CORP","to":"2019-02-11T05:00:00.000Z"}],"gleif_parents":[],"headquarters":[{"latitude":38.894166666667,"longitude":-77.431111111111,"name":"Chantilly","precision":"headquarters locality","source":"wikidata","url":"https://www.wikidata.org/wiki/Q328451"}],"insiders":[{"accession":"0001193125-26-342501","acquired_disposed":"A","code":"P","date":"2026-08-07","derivative":false,"filed":"2026-08-10","following_shares":"170383.0","form":"4","owners":["Ball George L."],"plan_10b5_1":false,"price":"47.97","security":"Common Stock","shares":"20000.0"},{"accession":"0001193125-26-294723","acquired_disposed":"A","code":"A","date":"2026-07-01","derivative":false,"filed":"2026-07-02","following_shares":"40684.0","form":"4","owners":["WAJSGRAS DAVID C"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"604.0"},{"accession":"0001193125-26-294717","acquired_disposed":"A","code":"A","date":"2026-07-01","derivative":false,"filed":"2026-07-02","following_shares":"34238.0","form":"4","owners":["LEER STEVEN F"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"837.0"}],"legal_name":"PARSONS CORPORATION","lei":"549300ZXH0VRBSEPX752","lei_status":"ISSUED","lei_updated_at":"2026-07-27T10:18:30Z","names":[{"entity_id":null,"kind":"alias","name":"Parsons Corporation","source":"wikidata"},{"entity_id":null,"kind":"alias","name":"Parsons","source":"wikidata"},{"entity_id":null,"kind":"alias","name":"Ralph M. Parsons Co.","source":"wikidata"},{"entity_id":null,"kind":"alias","name":"Parsons Engineering","source":"wikidata"},{"entity_id":null,"kind":"alias","name":"Parsons Transportation Group","source":"wikidata"}],"parent_exceptions":["direct-parent: no parent LEI supplied","ultimate-parent: no parent LEI supplied"],"parents":[],"wikidata_id":"Q3896512"},"research_built_at":"2026-10-23T06:11:20.354311+00:00","reviewed_events":[],"reviewed_events_coverage":"selective; not a complete event history; accounting series not reconciled","sources":[{"coverage":"8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-10-23T06:12:00.336203+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1658 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-10-23T06:12:25.714432+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1197 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-10-23T06:14:03.968440+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-10-23T06:27:13.562713+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-10-23T06:27:14.878114+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q3: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-10-23T06:12:21.860189+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}