{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-025372","form_type":"8-K","ticker":"PRME","cik":"0001894562","company_name":"Prime Medicine, Inc.","filed_at":"2026-04-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:33.250828+00:00","generated_at":"2026-05-15T05:52:12.161655+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Prime Medicine appoints Svetlana Makhni as CFO effective April 16, 2026","bullets":["Svetlana Makhni named CFO; base salary $495K, sign-on bonus $40K, target bonus 40%.","Granted option to purchase 800K shares (time-based vesting over 4 years) and 100K milestone-based option.","Allan Reine steps down as principal financial officer but remains CEO.","Makhni has 20+ years biotech/healthcare CFO and investment banking experience."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-025372","json":"https://secwatch.observer/filing/0001628280-26-025372.json","markdown":"https://secwatch.observer/filing/0001628280-26-025372.md","text":"https://secwatch.observer/filing/0001628280-26-025372.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1894562/000162828026025372/0001628280-26-025372-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1894562/000162828026025372/prme-20260407.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T05:52:12.161655+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"}