{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-221432","form_type":"8-K","ticker":"AMTM","cik":"0002011286","company_name":"Amentum Holdings, Inc.","filed_at":"2024-09-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:15.352622+00:00","generated_at":"2026-05-31T04:04:27.219352+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Amazon Holdco spin-off cleared by SEC; merger with Amentum expected Sept 27; AMTM to trade","bullets":["SEC declared effective Registration Statement on Form 10 for spin-off of Amazon Holdco (to be renamed Amentum Holdings).","Record date for distribution: Sept 23, 2024; spin-off and merger with Amentum expected Sept 27, 2024.","Post-close ownership: Jacobs shareholders 51%, Jacobs 7.5%, Amentum Equityholder 37%; 4.5% in escrow as contingent consideration.","When-issued trading (AMTM WI) starts Sept 24; regular-way (AMTM) starts Sept 30.","Jacobs intends to dispose of its 7.5% stake in the combined company within 12 months of distribution."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-221432","json":"https://secwatch.observer/filing/0001193125-24-221432.json","markdown":"https://secwatch.observer/filing/0001193125-24-221432.md","text":"https://secwatch.observer/filing/0001193125-24-221432.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2011286/000119312524221432/0001193125-24-221432-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2011286/000119312524221432/d890714d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T04:04:27.219352+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}