---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-051573"
form_type: "8-K"
ticker: "ONCO"
cik: "0001782107"
company_name: "Onconetix, Inc."
filed_at: "2025-06-05T23:59:59+00:00"
generated_at: "2026-05-19T22:28:57.046264+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Onconetix shareholders approve reverse stock split ratio range 1:10 to 1:150

## Summary
- Reverse stock split proposal approved: 11,956,279 For, 4,222,940 Against, 153,929 Abstentions.
- Board authorized to select exact ratio (1-for-10 to 1-for-150) anytime within one year of May 30, 2025.
- Adjournment proposal also approved: 13,570,278 For, 2,367,590 Against, 395,280 Abstentions.
- 44,358,422 shares of common stock were outstanding as of the April 14, 2025 record date.

## SEC filing metadata
- accession: 0001213900-25-051573
- form_type: 8-K
- ticker: ONCO
- cik: 0001782107
- company_name: Onconetix, Inc.
- filed_at: 2025-06-05T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1782107/000121390025051573/0001213900-25-051573-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1782107/000121390025051573/ea0244883-8k_onconetix.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-051573
- JSON: https://secwatch.observer/filing/0001213900-25-051573.json
- Plain text: https://secwatch.observer/filing/0001213900-25-051573.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.