{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-074952","form_type":"8-K","ticker":"ONCO","cik":"0001782107","company_name":"Onconetix, Inc.","filed_at":"2025-08-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.971373+00:00","generated_at":"2026-05-17T14:45:46.281394+00:00","sec_items":["1.01","2.03","5.02","9.01"],"event_type":"debt","sentiment":"negative","materiality_score":0.68,"calibrated_materiality_score":0.68,"confidence":"high","headline":"Onconetix issues $118K Keystone note, extends Veru note to Aug 14, 2025; director resigns","bullets":["Issued $117,647 promissory note to Keystone Capital with $17,647 OID, due March 6, 2026 or upon ELOC proceeds.","Amended Veru September note: principal increased $100K to $5.1M, maturity extended to August 14, 2025.","Director Ajit Singh resigned effective August 10, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-074952","json":"https://secwatch.observer/filing/0001213900-25-074952.json","markdown":"https://secwatch.observer/filing/0001213900-25-074952.md","text":"https://secwatch.observer/filing/0001213900-25-074952.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1782107/000121390025074952/0001213900-25-074952-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1782107/000121390025074952/ea0252759-8k_onconetix.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T14:45:46.281394+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":"1c0de1b22cad55c0f80556ecc8ee91c568025bbc","claim":"Onconetix, Inc. incurred loan of aggregate principal amount of $117,647.06 with Keystone Capital Partners, LLC at does not initially bear interest...any amounts due which are not paid when due s maturing due and payable upon the earlier of (i) the Company's receipt of sufficient proceeds from its equity line of credit with Keystone and (ii) March 6, 2026.","evidence_excerpt":"On August 6, 2025, Onconetix, Inc. (the “ Company ”) issued a promissory note (the “ Keystone Note” ) to Keystone Capital Partners, LLC (“ Keystone ”) with original issue discount of $17,647.06, in an aggregate principal amount of $117,647.06.","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1782107/000121390025074952/0001213900-25-074952-index.htm","confidence":0.95,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"loan"},{"label":"Principal","value":"aggregate principal amount of $117,647.06"},{"label":"Counterparty","value":"Keystone Capital Partners, LLC"},{"label":"Rate","value":"does not initially bear interest...any amounts due which are not paid when due s"},{"label":"Maturity","value":"due and payable upon the earlier of (i) the Company's receipt of sufficient proceeds from its equity line of credit with Keystone and (ii) March 6, 2026"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"5b83149ff3076521d093d38640fb70ec6bd3ddfa","claim":"Onconetix, Inc. amended debt of principal amount owed to Veru was increased by $100,000 to an aggregate principal amount of $5.1 million with Veru Inc. at non-interest bearing maturing maturity date was amended to August 14, 2025.","evidence_excerpt":"the September Veru Note (as amended and restated, the “ A&R September Veru Note ”). Pursuant to the A&R September Veru Note, the principal amount owed to Veru was increased by $100,000 to an aggregate principal amount of $5.1 million, and the maturity date was amended to August 14, 2025. All other terms of the September Veru Note remained the same. The above","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/1782107/000121390025074952/0001213900-25-074952-index.htm","confidence":0.95,"family_label":"Debt Financings","details":[{"label":"Principal","value":"principal amount owed to Veru was increased by $100,000 to an aggregate principal amount of $5.1 million"},{"label":"Counterparty","value":"Veru Inc."},{"label":"Rate","value":"non-interest bearing"},{"label":"Maturity","value":"maturity date was amended to August 14, 2025"},{"label":"Event","value":"amendment"}],"fact_type":"debt_financing"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}