Onconetix, Inc. (ONCO) IPO - S-1 Filing, Stock & Insider Activity
Onconetix, Inc. IPO - Status & S-1 Filing
- Ticker: ONCO
- Status: Registered - S-1 filed with the SEC
- S-1 filed: 2025-11-04
- Exchange: NASDAQ
- Expected price range: not yet disclosed (set in a later S-1/A or pricing amendment)
- Shares offered: 25,000,000
- SEC CIK: 0001782107 · View the S-1 on SEC EDGAR →
Onconetix, Inc. is pre-IPO, so no insider Form 4 transactions have been filed yet. Once insiders begin reporting trades after the offering, they will appear on this page automatically.
Track every registration update on the InsiderAlpha IPO tracker.
Last SEC filing
Onconetix, Inc. (ONCO) - no SEC Form 4 insider filings recorded in the last 90 days. 5 Form 8-K material event filings were reported by ONCO in the last 90 days. InsiderAlpha tracks every ONCO SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About Onconetix, Inc. (ONCO)
Onconetix, Inc. trades under the ticker ONCO. InsiderAlpha tracks 8 primary SEC Form 4 filings from 6 reporting insiders for ONCO since 2025, sourced directly from SEC EDGAR.
| Sector | Health Care insider trading |
|---|---|
| SIC classification | Pharmaceutical Preparations (SIC 2834) |
| SEC CIK | 0001782107 |
90-Day SEC Filing Activity
| Form 8-K filings (90d) | 5 |
|---|---|
| Latest Form 4 filing | 2026-04-22 |
Recent ONCO Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| HRT FINANCIAL LP | 10% Owner | S - Open-market sale | 49.7K | $0.69 | $34K | SEC | |
| HRT FINANCIAL LP | 10% Owner | S - Open-market sale | 94.5K | $0.75 | $71K | SEC | |
| HRT FINANCIAL LP | 10% Owner | P - Open-market purchase | 34.6K | $0.73 | $25K | SEC | |
| HRT FINANCIAL LP | 10% Owner | S - Open-market sale | 53.9K | $0.73 | $39K | SEC | |
| HRT FINANCIAL LP | 10% Owner | P - Open-market purchase | 92.6K | $0.76 | $70K | SEC | |
| HRT FINANCIAL LP | 10% Owner | P - Open-market purchase | 74.3K | $0.77 | $57K | SEC | |
| Andrew John Oakley | Director | J - Other acquisition / disposition | 20 | $0.00 | - | SEC | |
| Thomas Meier | Director | A - Grant or award | 618 | $0.00 | - | SEC | |
| Thomas Meier | Director | J - Other acquisition / disposition | 39 | $0.00 | - | SEC | |
| Andrew John Oakley | Director | A - Grant or award | 618 | $0.00 | - | SEC | |
| Timothy R. Ramdeen | Director | J - Other acquisition / disposition | 39 | $0.00 | - | SEC | |
| Timothy R. Ramdeen | Director | A - Grant or award | 618 | $0.00 | - | SEC | |
| Simon Tarsh | Director | J - Other acquisition / disposition | 39 | $0.00 | - | SEC | |
| Simon Tarsh | Director | A - Grant or award | 618 | $0.00 | - | SEC | |
| Altos Venture AG | Insider | J - Other acquisition / disposition | 241.5K | - | - | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Onconetix, Inc. (ONCO). Updated in real time as new filings are submitted to the SEC.
Recent ONCO Form 8-K Material Events
- - Item 1.01, 3.02, 9.01 [SEC]
- - Other · neutral [SEC]
Trading halt (T3) for ONCO. ONCO - - Other · neutral [SEC]
Trading halt (T1) for ONCO. ONCO - - Item 5.03, 8.01, 9.01 [SEC]
- - Item 8.01, 9.01 [SEC]
Recent Insider Filings
- - HRT FINANCIAL LP (10% Owner)
- - HRT FINANCIAL LP (10% Owner)
- - HRT FINANCIAL LP (10% Owner)
- - Andrew John Oakley (Director)
- - Thomas Meier (Director)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ONCO insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
ONCO Insider Trading - FAQ
- What is the latest insider trade for ONCO?
- Onconetix, Inc. (ONCO) had 0 insider filings in the last 90 days, with the most recent on 2026-04-22. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying ONCO stock?
- 0 insider purchases of ONCO were filed in the last 90 days.
- How many insiders are selling ONCO stock?
- 0 insider sales of ONCO were filed in the last 90 days.
- Where can I see ONCO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks ONCO Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live ONCO dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.