🕵️ Onconetix, Inc. ($ONCO)
SEC insider & ownership activity, last 12 months · CIK 1782107 · every row links its SEC filing
Over the last 12 months insiders sold $144K against $153K of open-market buying. HRT Financial LP bought $153K in discretionary trades (Apr). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $153K (3 lots) · 1 seller, $144K (3 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| HRT Financial LP | 3 | $153K | 3 | $144K | Apr 21, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Altos Venture Ag | 35.8% | 13D | Jul 14, 2025 | filing ↗ | |
| Keystone Capital Partners, LLC | 6.1% | 13G | Jul 27, 2026 | filing ↗ | |
| RANZ Group LLC | 6.1% | 13G | Jul 27, 2026 | filing ↗ | |
| Fredric Zaino | 6.1% | 13G | Jul 27, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Jul 28, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Jul 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 28, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | May 19, 2026 | filing ↗ |
| Other events (8.01) | May 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 19, 2026 | filing ↗ |
| Other events (8.01) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Shareholder vote (5.07) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 20, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Mar 23, 2026 | filing ↗ |
| Other events (8.01) | Mar 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 23, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 18, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 18, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 11, 2026 | filing ↗ |
| Other events (8.01) | Feb 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 11, 2026 | filing ↗ |
| Shareholder vote (5.07) | Feb 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 3, 2026 | filing ↗ |
| Material agreement (1.01) | Dec 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 6, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 5, 2025 | filing ↗ |
| Shareholder vote (5.07) | Dec 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 5, 2025 | filing ↗ |
| Shareholder Nominations Pursuant to Exchange Act Rule 14a-11 (5.08) | Oct 23, 2025 | filing ↗ |