{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-024891","form_type":"8-K","ticker":"SYBX","cik":"0001527599","company_name":"SYNLOGIC, INC.","filed_at":"2025-02-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.894180+00:00","generated_at":"2026-05-26T06:54:24.278058+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Synlogic Director Michael Heffernan Resigns from Board and Committees","bullets":["Michael Heffernan resigned from the Synlogic board and its audit and nominating/governance committees on February 20, 2025.","The resignation was voluntary and not due to any disagreement with the company's operations, policies, or practices.","Heffernan's departure is effective immediately, reducing the board's committee membership.","Synlogic (SYBX) disclosed the change in a Form 8-K filed on February 21, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-024891","json":"https://secwatch.observer/filing/0000950170-25-024891.json","markdown":"https://secwatch.observer/filing/0000950170-25-024891.md","text":"https://secwatch.observer/filing/0000950170-25-024891.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1527599/000095017025024891/0000950170-25-024891-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1527599/000095017025024891/sybx-20250220.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud","generated_at":"2026-05-26T06:54:24.278058+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":"c75682754d","claim":"Michael Heffernan resigned as member of the board of directors at SYNLOGIC, INC..","evidence_excerpt":"On February 20, 2025, Michael Heffernan tendered his resignation as a member of the board of directors (the “Board”) of Synlogic, Inc. (the “Company”) and as a member of the audit committee and nominating and governance committee of the Board, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1527599/000095017025024891/0000950170-25-024891-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"member of the board of directors"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}