{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-415547","form_type":"8-K","ticker":"PSNL","cik":"0001527753","company_name":"Personalis, Inc.","filed_at":"2026-10-06T20:05:33+00:00","discovered_at":"2026-10-06T20:06:01.251823+00:00","generated_at":"2026-10-12T16:21:48.218879+00:00","sec_items":["8.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Personalis-Tempus merger clears HSR antitrust hurdle; waiting period expired Oct 2, 2026","bullets":["HSR waiting period for Tempus AI's acquisition of Personalis expired at 11:59 p.m. Eastern time on October 2, 2026; Tempus refiled its notification Sept 2, 2026 after withdrawing Aug 31.","Two-step structure: Merger Sub I merges into Personalis (Personalis survives), then Personalis merges into Merger Sub II, surviving as a wholly owned Tempus subsidiary; agreement signed July 20, 2026.","Tempus filed Amendment No. 1 to its Form S-4 registration statement and to the Schedule 13E-3 on October 2, 2026; the initial S-4 and 13E-3 were filed August 31, 2026.","Closing still requires Personalis stockholder approval of the Merger Agreement plus other customary conditions; the virtual stockholders meeting date has not yet been set.","Tempering the news: Personalis' only stated timeline is that the meeting will be held on a date 'to be determined and announced.'"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-415547","json":"https://secwatch.observer/filing/0001193125-26-415547.json","markdown":"https://secwatch.observer/filing/0001193125-26-415547.md","text":"https://secwatch.observer/filing/0001193125-26-415547.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1527753/000119312526415547/0001193125-26-415547-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1527753/000119312526415547/d155320d8k.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T16:21:48.218879+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"}