{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-014928","form_type":"8-K","ticker":"ONCO","cik":"0001782107","company_name":"Onconetix, Inc.","filed_at":"2025-02-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.832555+00:00","generated_at":"2026-05-26T17:10:36.075433+00:00","sec_items":["1.01","2.03","4.01","5.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Onconetix issues $117k promissory note, changes auditor, strategy officer resigns","bullets":["Entered $117,647 promissory note with Keystone Capital; purchase price $100k, due Nov 12, 2025 or earlier from ELOC proceeds.","Appointed MaloneBailey LLP as new independent auditor effective Feb 13, 2025; no prior disagreements or reportable events.","Christian Brühlmann resigned as Chief Strategy Officer on Feb 18, 2025; remains as Chief Business Officer of Proteomedix AG.","Note is subordinate to existing Veru Inc debt obligations."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-014928","json":"https://secwatch.observer/filing/0001213900-25-014928.json","markdown":"https://secwatch.observer/filing/0001213900-25-014928.md","text":"https://secwatch.observer/filing/0001213900-25-014928.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1782107/000121390025014928/0001213900-25-014928-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1782107/000121390025014928/ea0231345-8k_onconetix.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T17:10:36.075433+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":"07911a7a76","claim":"Christian Brühlmann resigned as Chief Strategy Officer at Onconetix, Inc..","evidence_excerpt":"On February 18, 2025, Christian Brühlmann resigned from his position as Chief Strategy Officer of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1782107/000121390025014928/0001213900-25-014928-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Strategy Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}