Onconetix, Inc.
ONCO- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001782107
No open-market purchases or sales by Onconetix, Inc. insiders were filed in the last 90 days; 6 institutions reported holding it in 13F filings for Q2 2026, worth $73.9K in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Onconetix, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Onconetix, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| HRT Financial LP | 10% Owner | 33,649 | Apr 22, 2026 | 3 |
| Tarsh Simon | Director | 658 | Aug 19, 2025 | 0 |
| Ramdeen Timothy R. | Director | 658 | Aug 19, 2025 | 0 |
| Meier Thomas | Director | 657 | Aug 19, 2025 | 0 |
| Oakley Andrew John | Director | 638 | Aug 19, 2025 | 0 |
| Altos Venture AG | 10% Owner | 273,230 | Jul 16, 2025 | 0 |
| Bruhlmann Christian | Chief Strategy Officer | 611,372 | Jan 22, 2025 | 0 |
| Schiess Ralph | Interim CEO, CSO | 673,365 | Jan 22, 2025 | 0 |
| Sapirstein James | Director | 3,477 | Sep 30, 2024 | 0 |
| Singh Ajit | Director | 3,396 | Sep 30, 2024 | 0 |
| Jeremic Vuk | Director | 6,360 | Jun 1, 2023 | 0 |
| Garfield Jon | Chief Financial Officer | 100,000 | May 11, 2023 | 0 |
| Hernandez Joseph | CEO | 2,800,351 | May 11, 2023 | 0 |
| Henderson Erin | Chief Business Officer | 174,752 | May 11, 2023 | 0 |
| Cincinnati Cornerstone Investors BWV I, LLC | 10% Owner | 1,161,201 | Apr 12, 2023 | 0 |
| Cincinnati Cornerstone Capital LLC | Other: Manager-Cinti Cornerstone Inv. | 1,161,201 | Apr 12, 2023 | 0 |
| Shaw Allan | Director | 0 | Aug 23, 2022 | 0 |
| Murphy Kimberly M | Director | – | May 27, 2022 | 0 |
| Venerable Michael | Director | – | May 27, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 22, 2026 (view filing) | Apr 21 | 1 day | HRT Financial LP10% Owner | SSaleClass A Shares | −49.7K | $0.69 | −$34.3K | −59.6%33.6K after | |
| Apr 21, 2026 (view filing) | Apr 16-20 | 5 daysLate | HRT Financial LP10% Owner | SSaleClass A Shares | −148.3K | $0.7427 | −$110.2K | −64.0%83.4K after | 2 lots |
| Apr 21, 2026 (view filing) | Apr 17 | 4 days | HRT Financial LP10% Owner | PPurchaseClass A Shares | +34.6K | $0.73 | +$25.3K | +24.2%177.8K after | |
| Apr 16, 2026 (view filing) | Apr 14-15 | 2 days | HRT Financial LP10% Owner | PPurchaseClass A Shares | +166.9K | $0.7645 | +$127.6K | +553.6%197.1K after | 2 lots |
| Aug 23, 2022 (view filing)4:39 PM ET | Aug 19 | 4 days | Shaw AllanDirector | SSale | −29.6K | $3.94 | −$116.8K | −100.0%0 after | |
| Aug 22, 2022 (view filing)9:59 PM ET | Aug 19 | 3 days | Henderson ErinChief Business Officer | SSale | −4.83K | $3.97 | −$19.2K | −16.3%24.8K after | |
| Aug 22, 2022 (view filing) | Aug 18-22 | 4 days | Hernandez JosephCEO | SSale | −549.6K | $4.81 | −$2.64M | −17.2%2.65M after | 3 lots |