{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-005425","form_type":"8-K","ticker":"SYBX","cik":"0001527599","company_name":"SYNLOGIC, INC.","filed_at":"2025-01-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.893979+00:00","generated_at":"2026-05-28T01:57:46.438342+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Synlogic board member Nick Leschly resigns effective Jan 10, 2025","bullets":["Nick Leschly resigned from the Board and compensation committee on Jan 10, 2025.","Resignation was voluntary and not due to any disagreement with the company.","No replacement has been announced; board seat remains vacant."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-005425","json":"https://secwatch.observer/filing/0000950170-25-005425.json","markdown":"https://secwatch.observer/filing/0000950170-25-005425.md","text":"https://secwatch.observer/filing/0000950170-25-005425.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1527599/000095017025005425/0000950170-25-005425-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1527599/000095017025005425/sybx-20250110.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-28T01:57:46.438342+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":"00a081f9b9","claim":"Nick Leschly resigned as Director at SYNLOGIC, INC..","evidence_excerpt":"On January 10, 2025, Nick Leschly tendered his resignation as a member of the board of directors (the “Board”) of Synlogic, Inc. (the “Company”) and as a member of the compensation committee of the Board, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1527599/000095017025005425/0000950170-25-005425-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}