secwatch.observer — SEC 8-K summary ====================================== Issuer: Onconetix, Inc. (ONCO) CIK: 0001782107 Form: 8-K Filed at: 2025-04-03T23:59:59+00:00 Accession: 0001213900-25-028646 Event type: leadership Sentiment: neutral Materiality: 0.60 Item codes: 5.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Executive Chairman Sapirstein resigns; Interim CFO Fedasz appointed Interim CEO ------------------------------------------------------------------------------- - James Sapirstein resigned as Executive Chairman and Board member, effective March 28, 2025. - Karina Fedasz, 52, previously Interim CFO, appointed Interim CEO effective April 2, 2025. - Fedasz has background in finance, M&A, and capital raising; formerly CFO at IDW Media Holdings and Head of Business Development at Evofem Biosciences. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1782107/000121390025028646/0001213900-25-028646-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1782107/000121390025028646/ea0237140-8k_oncon.htm HTML page: https://secwatch.observer/filing/0001213900-25-028646 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer