{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-245646","form_type":"8-K","ticker":"SYBX","cik":"0001527599","company_name":"SYNLOGIC, INC.","filed_at":"2023-09-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:34.202613+00:00","generated_at":"2026-06-10T07:36:44.842703+00:00","sec_items":["5.03","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Synlogic implements 1-for-15 reverse stock split effective Sep 27, 2023 to meet Nasdaq bid price rule","bullets":["Reverse stock split at 1:15 ratio effective 5:00 PM ET on Sep 27, 2023; shares outstanding reduce from ~69M to ~4.6M.","Split approved by shareholders at Sep 21 special meeting; no change in authorized shares, par value $0.001.","No fractional shares; cash in lieu based on Sep 27 closing price.","Stock continues on Nasdaq under symbol SYBX; new CUSIP 87166L209.","Primary goal: regain compliance with Nasdaq minimum $1.00 bid price requirement."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-245646","json":"https://secwatch.observer/filing/0001193125-23-245646.json","markdown":"https://secwatch.observer/filing/0001193125-23-245646.md","text":"https://secwatch.observer/filing/0001193125-23-245646.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1527599/000119312523245646/0001193125-23-245646-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1527599/000119312523245646/d556575d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T07:36:44.842703+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":"9165b9d87e8da1053c8e443ebd255187a92a757a","claim":"SYNLOGIC, INC.: Reverse stock split of common stock at a ratio of 1-for-15 via Certificate of Amendment to Amended and Restated Certificate of Incorporation (effective 2023-09-27).","evidence_excerpt":"On September 27, 2023, the Company filed with the Secretary of State of the State of Delaware the Certificate of Amendment to effect a one-time reverse stock split of the Company’s common stock, at a ratio of 1-for-15 (the “Reverse Stock Split”). The Reverse Stock Split was effective at 5:00 p.m. Eastern Time, after the close of trading on The Nasdaq Capital Market, on September 27, 2023","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1527599/000119312523245646/0001193125-23-245646-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2023-09-27"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}