{"schema_version":"secwatch.filing_event.v1","accession":"0001698530-23-000058","form_type":"8-K","ticker":"XCUR","cik":"0001698530","company_name":"EXICURE, INC.","filed_at":"2023-05-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.093259+00:00","generated_at":"2026-06-14T21:20:38.465498+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Exicure invests $1M in convertible bonds of Cyworld Z, maturing 2026 with 4.5% yield","bullets":["Exicure purchased $1M face value convertible bonds of Cyworld Z, maturity May 15, 2026.","Bonds have 0% coupon but 4.5% yield to maturity; put options available starting Aug 2024.","Conversion price set at KRW 85,000 per share; conversion ratio is 100% of face value.","Investment is a non-guaranteed private placement; proceeds used for Cyworld Z working capital.","Exicure also has acceleration rights upon default and must be consulted on major corporate actions."],"urls":{"canonical":"https://secwatch.observer/filing/0001698530-23-000058","json":"https://secwatch.observer/filing/0001698530-23-000058.json","markdown":"https://secwatch.observer/filing/0001698530-23-000058.md","text":"https://secwatch.observer/filing/0001698530-23-000058.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1698530/000169853023000058/0001698530-23-000058-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1698530/000169853023000058/xcur-20230518.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T21:20:38.465498+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":"4fa2f405d98304a31f4f619e73711c1159a872d5","claim":"EXICURE, INC. entered into Subscription Agreement with Cyworld Z Co., Ltd. valued at USD $1 million (effective 2023-05-16).","evidence_excerpt":"On May 16, 2023, Exicure, Inc. (the “ Company ”) entered into a subscription agreement (the “ Subscription Agreement ”) with Cyworld Z Co., Ltd., (“ Cyworld Z ”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1698530/000169853023000058/0001698530-23-000058-index.htm","confidence":0.95,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Counterparty","value":"Cyworld Z Co., Ltd."},{"label":"Value","value":"USD $1 million"},{"label":"Effective","value":"2023-05-16"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}