{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-091620","form_type":"8-K","ticker":"FULC","cik":"0001680581","company_name":"Fulcrum Therapeutics, Inc.","filed_at":"2023-04-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.016744+00:00","generated_at":"2026-06-17T05:54:03.609216+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Fulcrum Therapeutics CFO Esther Rajavelu resigns effective April 21, 2023","bullets":["CFO Esther Rajavelu resigns effective April 21, 2023 to pursue another opportunity.","Company will conduct an executive search for a new chief financial officer.","Rajavelu enters consulting agreement for up to 3 months; receives $52,780/month plus $6,000 initiation fee.","Vested stock option exercise period extended to 12 months after consulting services end."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-091620","json":"https://secwatch.observer/filing/0001193125-23-091620.json","markdown":"https://secwatch.observer/filing/0001193125-23-091620.md","text":"https://secwatch.observer/filing/0001193125-23-091620.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1680581/000119312523091620/0001193125-23-091620-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1680581/000119312523091620/d471861d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T05:54:03.609216+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":"df6c603842","claim":"Esther Rajavelu resigned as Chief Financial Officer at Fulcrum Therapeutics, Inc..","evidence_excerpt":"On March 31, 2023, Esther Rajavelu notified Fulcrum Therapeutics, Inc., or Fulcrum, of her intent to resign as chief financial officer and treasurer (and as principal financial officer), effective April 21, 2023, to pursue another opportunity.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1680581/000119312523091620/0001193125-23-091620-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}