{"schema_version":"secwatch.filing_event.v1","accession":"0001698530-23-000042","form_type":"8-K","ticker":"XCUR","cik":"0001698530","company_name":"EXICURE, INC.","filed_at":"2023-05-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.092751+00:00","generated_at":"2026-06-15T09:26:55.124242+00:00","sec_items":["1.01","3.01","5.02","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.72,"calibrated_materiality_score":0.72,"confidence":"high","headline":"Exicure invests $1M in Cyworld Z bonds, faces Nasdaq delisting risk over audit committee","bullets":["Invested $1M in Cyworld Z convertible bonds (4.5% YTM, matures May 2026) with conversion at KRW 85,000/share and quarterly put option.","Nasdaq notified Exicure that its audit committee no longer meets independence requirement after Hyukku Lee resignation; company intends to cure.","Hyukku Lee resigned from board and audit committee effective May 3, 2023; no disagreement cited.","Appointed Joshua Miller as Chief Accounting Officer; he was Controller since April 2022."],"urls":{"canonical":"https://secwatch.observer/filing/0001698530-23-000042","json":"https://secwatch.observer/filing/0001698530-23-000042.json","markdown":"https://secwatch.observer/filing/0001698530-23-000042.md","text":"https://secwatch.observer/filing/0001698530-23-000042.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1698530/000169853023000042/0001698530-23-000042-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1698530/000169853023000042/xcur-20230509.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-15T09:26:55.124242+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":"4f2a38f6fce5f2e02f941701de800d5054957e50","claim":"EXICURE, INC. received a nasdaq deficiency notice notice regarding other.","evidence_excerpt":"May 5, 2023, the Company notified the Listing Qualifications Department of The Nasdaq Stock Market LLC (“ Nasdaq ”) that as a result of Hyukku Lee from the Company’s board of directors (the “ Board ”) (as described below in","evidence_source":"SEC 8-K Item 3.01","evidence_url":"https://www.sec.gov/Archives/edgar/data/1698530/000169853023000042/0001698530-23-000042-index.htm","confidence":0.6,"family_label":"Listing & Compliance Notices","details":[{"label":"Exchange","value":"nasdaq"},{"label":"Notice","value":"deficiency notice"}],"fact_type":"exchange_compliance_notice"},{"claim_id":"0f7372868d","claim":"Hyukku Lee resigned as Class II Director at EXICURE, INC..","evidence_excerpt":"On May 3, 2023, Hyukku Lee resigned from the Board as a Class II Director, effective immediately as of such date.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1698530/000169853023000042/0001698530-23-000042-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Class II Director"}],"fact_type":"executive_change"},{"claim_id":"a94a1b074d","claim":"Joshua Miller was appointed as Chief Accounting Officer at EXICURE, INC..","evidence_excerpt":"On May 3, 2023, the Board approved the appointment of Joshua Miller to Chief Accounting Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1698530/000169853023000042/0001698530-23-000042-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Accounting Officer"}],"fact_type":"executive_change"},{"claim_id":"b293d604d0482c02eb17b888dc7a0c41a503c7e8","claim":"EXICURE, INC. entered into Subscription Agreement with Cyworld Z Co., Ltd. valued at USD $1 million (effective 2023-05-03).","evidence_excerpt":"As previously disclosed, on May 3, 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/1698530/000169853023000042/0001698530-23-000042-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"Cyworld Z Co., Ltd."},{"label":"Value","value":"USD $1 million"},{"label":"Effective","value":"2023-05-03"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}