{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-001474","form_type":"8-K","ticker":"RLYB","cik":"0001739410","company_name":"Rallybio Corp","filed_at":"2023-01-31T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.363069+00:00","generated_at":"2026-06-20T05:33:47.498233+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Rallybio appoints Jonathan Lieber as CFO; co-founder Fryer departs Feb 15","bullets":["Jonathan Lieber appointed CFO effective Feb 1, 2023; most recently CFO of AGTC.","Base salary $460K, sign-on bonus $100K, target bonus up to 40% of base.","Grant of option to purchase 240,000 shares, vesting over 4 years.","Co-founder and former CFO Jeffrey Fryer departs Feb 15 after transition period.","Lieber brings 30+ years experience as CFO and investment banker; also on board of Salarius Pharma."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-001474","json":"https://secwatch.observer/filing/0000950170-23-001474.json","markdown":"https://secwatch.observer/filing/0000950170-23-001474.md","text":"https://secwatch.observer/filing/0000950170-23-001474.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1739410/000095017023001474/0000950170-23-001474-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1739410/000095017023001474/rlyb-20230131.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T05:33:47.498233+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":[{"claim_id":"9ffddb23bf","claim":"Jonathan I. Lieber was appointed as Chief Financial Officer and Treasurer at Rallybio Corp.","evidence_excerpt":"On January 31, 2023, the Board of Directors (the Board) of Rallybio Corporation (Rallybio) appointed Jonathan I. Lieber as Chief Financial Officer and Treasurer, effective February 1, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1739410/000095017023001474/0000950170-23-001474-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Financial Officer and Treasurer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}