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Onconetix SEC Filings

NASDAQ: ONCOHealth CareBiotechnology: Pharmaceutical PreparationsUSD

0.62-0.0343 (-5.24%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Onconetix filing overview

This page lists 60 recent SEC filings by Onconetix (ONCO), including 24 8-K, 8 4, 5 DEF 14A, 5 424B3. The latest annual report (10-K) was filed on Mar 13, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 13, 2026.

The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 14, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.

Summary generated from market data by MetaCap's automated system. Methodology

ONCO SEC filings

Onconetix SEC filings
FiledFormDescriptionDocument
Oct 7, 2026DEF 14ADEFINITIVE PROXY STATEMENTView on EDGAR
Sep 14, 20268-KEntry into a Material Definitive Agreement; Regulation FD DisclosureView on EDGAR
Sep 8, 2026424B3PROSPECTUSView on EDGAR
Aug 31, 2026S-1/AAMENDMENT NO. 1 TO FORM S-1View on EDGAR
Aug 13, 202610-QQUARTERLY REPORTView on EDGAR
Aug 12, 2026S-1REGISTRATION STATEMENTView on EDGAR
Jul 29, 20268-KEntry into a Material Definitive Agreement; Unregistered Sales of Equity SecuritiesView on EDGAR
Jul 27, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Jun 17, 2026424B3PROSPECTUSView on EDGAR
Jun 9, 2026S-1REGISTRATION STATEMENTView on EDGAR
May 19, 20268-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal Year; Other EventsView on EDGAR
May 14, 20268-KOther EventsView on EDGAR
May 13, 202610-QQUARTERLY REPORTView on EDGAR
May 12, 2026424B3PROSPECTUSView on EDGAR
May 7, 2026S-1/AAMENDMENT NO. 1 TO FORM S-1View on EDGAR
May 4, 20268-KSubmission of Matters to a Vote of Security HoldersView on EDGAR
Apr 28, 2026S-1REGISTRATION STATEMENTView on EDGAR
Apr 24, 20268-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Apr 22, 20264Statement of changes in beneficial ownershipView on EDGAR
Apr 21, 20264Statement of changes in beneficial ownershipView on EDGAR
Apr 16, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 30, 2026DEF 14ADEFINITIVE PROXY STATEMENTView on EDGAR
Mar 27, 20268-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal Year; Other EventsView on EDGAR
Mar 25, 20268-K/AAmended: Departure or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Mar 24, 20268-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Mar 13, 202610-KANNUAL REPORTView on EDGAR
Feb 12, 20268-KEntry into a Material Definitive Agreement; Other EventsView on EDGAR
Feb 9, 20268-KSubmission of Matters to a Vote of Security HoldersView on EDGAR
Jan 2, 2026DEF 14ADEFINITIVE PROXY STATEMENTView on EDGAR
Dec 23, 2025424B3PROSPECTUSView on EDGAR
Dec 22, 2025S-1/AAMENDMENT NO. 1 TO FORM S-1View on EDGAR
Dec 10, 20258-KEntry into a Material Definitive AgreementView on EDGAR
Dec 10, 20258-KDeparture or Appointment of Directors or Officers; Compensatory Arrangements; Submission of Matters to a Vote of Security HoldersView on EDGAR
Nov 13, 202510-QQUARTERLY REPORTView on EDGAR
Nov 10, 2025DEF 14ADEFINITIVE PROXY STATEMENTView on EDGAR
Nov 10, 2025424B3PROSPECTUSView on EDGAR
Nov 4, 2025S-1REGISTRATION STATEMENTView on EDGAR
Oct 29, 20258-KShareholder Director NominationsView on EDGAR
Oct 16, 2025S-1REGISTRATION STATEMENTView on EDGAR
Oct 3, 20258-KEntry into a Material Definitive Agreement; Unregistered Sales of Equity SecuritiesView on EDGAR
Sep 26, 20258-KEntry into a Material Definitive Agreement; Termination of a Material Definitive Agreement; Unregistered Sales of Equity Securities; Regulation FD DisclosureView on EDGAR
Sep 22, 20258-KEntry into a Material Definitive Agreement; Regulation FD DisclosureView on EDGAR
Sep 4, 20258-KEntry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementView on EDGAR
Aug 19, 20254Statement of changes in beneficial ownershipView on EDGAR
Aug 19, 20254Statement of changes in beneficial ownershipView on EDGAR
Aug 19, 20254Statement of changes in beneficial ownershipView on EDGAR
Aug 19, 20254Statement of changes in beneficial ownershipView on EDGAR
Aug 14, 202510-QQUARTERLY REPORTView on EDGAR
Aug 12, 20258-KEntry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement; Departure or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Jul 16, 20258-KEntry into a Material Definitive Agreement; Departure or Appointment of Directors or Officers; Compensatory Arrangements; Other EventsView on EDGAR
Jul 16, 2025SCHEDULE 13D/ABeneficial ownership report (activist) (amendment)View on EDGAR
Jul 16, 20254Statement of changes in beneficial ownershipView on EDGAR
Jun 16, 20258-KRegulation FD DisclosureView on EDGAR
Jun 12, 202510-QQUARTERLY REPORTView on EDGAR
Jun 11, 20258-KEntry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement; Material Modification to Rights of Security Holders; Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year; Regulation FD DisclosureView on EDGAR
Jun 5, 20258-KSubmission of Matters to a Vote of Security HoldersView on EDGAR
Jun 2, 202510-KANNUAL REPORTView on EDGAR
May 22, 20258-KEntry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement; Notice of Delisting or Failure to Satisfy a Continued Listing Rule; Transfer of ListingView on EDGAR
Apr 30, 2025DEF 14ADEFINITIVE PROXY STATEMENTView on EDGAR
Apr 30, 20258-KNotice of Delisting or Failure to Satisfy a Continued Listing Rule; Transfer of ListingView on EDGAR

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