In the last 12 months, insiders at Onconetix, Inc. ($ONCO) filed 36 transactions with the SEC: 3 open-market purchases totaling $152,875 and 3 sales totaling $144,469. Net insider sentiment: net buying.
Onconetix, Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).
Most Active Insiders
- HRT FINANCIAL LP (TenPercentOwner) — 6 transactions totaling $297,344
- Bruhlmann Christian (Chief Strategy Officer) — 2 transactions totaling $0
- Oakley Andrew John (Director) — 3 transactions totaling $0
- Ramdeen Timothy R. (Director) — 5 transactions totaling $0
- Altos Venture AG (Not found) — 2 transactions totaling $0
View all SEC Filings for Onconetix, Inc. (ONCO).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| April 21, 2026 | HRT FINANCIAL LP | TenPercentOwner | S | Class A Shares | 49710 | $0.69 | 33,649.0000 | 937,690 | 59.63% | 5.30% |
| April 20, 2026 | HRT FINANCIAL LP | TenPercentOwner | S | Class A Shares | 94462 | $0.75 | 83,359.0000 | 937,690 | 53.12% | 10.07% |
| April 17, 2026 | HRT FINANCIAL LP | TenPercentOwner | P | Class A Shares | 34636 | $0.73 | 177,821.0000 | 937,690 | 24.19% | 3.69% |
| April 16, 2026 | HRT FINANCIAL LP | TenPercentOwner | S | Class A Shares | 53867 | $0.73 | 143,185.0000 | 937,690 | 27.34% | 5.74% |
| April 15, 2026 | HRT FINANCIAL LP | TenPercentOwner | P | Class A Shares | 92554 | $0.76 | 197,052.0000 | 937,690 | 88.57% | 9.87% |
| April 14, 2026 | HRT FINANCIAL LP | TenPercentOwner | P | Class A Shares | 74350 | $0.77 | 104,498.0000 | 937,690 | 246.62% | 7.93% |
| Aug. 15, 2025 | Tarsh Simon | Director | J | Common Stock | 39 | $0.00 | 40.0000 | 567,648 | 3900.00% | 0.01% |
| Aug. 15, 2025 | Tarsh Simon | Director | A | Common Stock | 618 | $0.00 | 658.0000 | 567,648 | 1545.00% | 0.11% |
| Aug. 15, 2025 | Oakley Andrew John | Director | J | Common Stock | 20 | $0.00 | 20.0000 | 567,648 | 9999.99% | 0.00% |
| Aug. 15, 2025 | Oakley Andrew John | Director | A | Common Stock | 618 | $0.00 | 638.0000 | 567,648 | 3090.00% | 0.11% |
| Aug. 15, 2025 | Ramdeen Timothy R. | Director | A | Common Stock | 618 | $0.00 | 658.0000 | 567,648 | 1545.00% | 0.11% |
| Aug. 15, 2025 | Meier Thomas | Director | J | Common Stock | 39 | $0.00 | 39.0000 | 567,648 | 9999.99% | 0.01% |
| Aug. 15, 2025 | Meier Thomas | Director | A | Common Stock | 618 | $0.00 | 657.0000 | 567,648 | 1584.62% | 0.11% |
| Aug. 15, 2025 | Ramdeen Timothy R. | Director | J | Common Stock | 39 | $0.00 | 40.0000 | 567,648 | 3900.00% | 0.01% |
| July 14, 2025 | Altos Venture AG | Not found | J | Make-whole right (right to acquire) | 241514 | $0.00 | 0.0000 | 567,648 | 100.00% | 42.55% |
| July 14, 2025 | Altos Venture AG | Not found | J | Common Stock | 241514 | $0.00 | 273,230.0000 | 567,648 | 761.49% | 42.55% |
| March 23, 2025 | Oakley Andrew John | Director | A | Common Stock | 1709 | $0.00 | 1,709.0000 | 2,745,564 | 9999.99% | 0.06% |
| Dec. 20, 2024 | Schiess Ralph | Interim CEO, CSO | A | Common Stock | 177462 | $0.00 | 673,365.0000 | 15,366 | 35.79% | 100.00% |
| Dec. 20, 2024 | Bruhlmann Christian | Chief Strategy Officer | A | Common Stock | 177462 | $0.00 | 611,372.0000 | 15,366 | 40.90% | 100.00% |
| Sept. 26, 2024 | SINGH AJIT | Director | A | Common Stock | 3318 | $0.00 | 3,396.0000 | 6,528 | 4253.85% | 50.83% |
| Sept. 26, 2024 | SAPIRSTEIN JAMES | Director | A | Common Stock | 3318 | $0.00 | 3,477.0000 | 6,528 | 2086.79% | 50.83% |
| Sept. 26, 2024 | Ramdeen Timothy R. | Director | A | Common Stock | 3318 | $0.00 | 3,477.0000 | 6,528 | 2086.79% | 50.83% |
| Sept. 26, 2024 | Meier Thomas | Director | A | Common Stock | 3318 | $0.00 | 3,318.0000 | 6,528 | 9999.99% | 50.83% |
| Sept. 26, 2024 | Tarsh Simon | Director | A | Common Stock | 3318 | $0.00 | 3,477.0000 | 6,528 | 2086.79% | 50.83% |
| Sept. 24, 2024 | Bruhlmann Christian | Chief Strategy Officer | A | Common Stock | 428010 | $0.00 | 433,910.0000 | 6,528 | 7254.41% | 100.00% |
| Sept. 24, 2024 | Schiess Ralph | Interim CEO & CSO | A | Common Stock | 489160 | $0.00 | 495,903.0000 | 6,528 | 7254.34% | 100.00% |
| Feb. 16, 2024 | SINGH AJIT | Director | A | Common Stock | 3125 | $0.00 | 3,125.0000 | 427,784 | 9999.99% | 0.73% |
| May 31, 2023 | Tarsh Simon | Director | A | Common Stock | 6360 | $0.00 | 6,360.0000 | 15,910,415 | 9999.99% | 0.04% |
| May 31, 2023 | Ramdeen Timothy R. | Director | A | Common Stock | 6360 | $0.00 | 6,360.0000 | 15,910,415 | 9999.99% | 0.04% |
| May 31, 2023 | Jeremic Vuk | Director | A | Common Stock | 6360 | $0.00 | 6,360.0000 | 15,910,415 | 9999.99% | 0.04% |
| May 31, 2023 | SAPIRSTEIN JAMES | Director | A | Common Stock | 6360 | $0.00 | 6,360.0000 | 15,910,415 | 9999.99% | 0.04% |
| May 9, 2023 | Garfield Jon | Chief Financial Officer | A | Common Stock | 100000 | $0.00 | 100,000.0000 | 15,910,415 | 9999.99% | 0.63% |
| May 9, 2023 | Hernandez Joseph | CEO | A | Common Stock | 150000 | $0.00 | 2,800,351.0000 | 15,910,415 | 5.66% | 0.94% |
| May 9, 2023 | Henderson Erin | Chief Business Officer | A | Common Stock | 150000 | $0.00 | 174,752.0000 | 15,910,415 | 606.01% | 0.94% |
| April 10, 2023 | Cincinnati Cornerstone Investors BWV I, LLC | TenPercentOwner | J | Common Stock | 1200000 | $0.00 | 1,161,201.0000 | 15,910,415 | 50.82% | 7.54% |
| Jan. 26, 2023 | Ramdeen Timothy R. | Director | A | Stock Option | 2386 | $0.00 | 2,386.0000 | 12,271,449 | 9999.99% | 0.02% |