Onconetix, Inc. ($ONCO) Insider Transactions

Last updated: 2026-03-14 11:29 UTC | Total transactions: 30

In the last 12 months, insiders at Onconetix, Inc. ($ONCO) filed 30 transactions with the SEC: 0 open-market purchases totaling $0 and 0 sales totaling $0. Net insider sentiment: neutral.

Onconetix, Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).

Most Active Insiders

View all SEC Filings for Onconetix, Inc. (ONCO).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
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%
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%
July 14, 2025 Altos Venture AG Not found J Common Stock 241514 $0.00 273,230.0000 567,648 761.49% 42.55%
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%
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 Tarsh Simon Director A Common Stock 3318 $0.00 3,477.0000 6,528 2086.79% 50.83%
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. 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 Jeremic Vuk 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 Tarsh Simon 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 Hernandez Joseph CEO A Common Stock 150000 $0.00 2,800,351.0000 15,910,415 5.66% 0.94%
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 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%