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Onconetix, Inc.

For the period ended Mar 31, 2026. Filed May 13, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 13, 2026

ONCO$3.58-48.5%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Item 6. Exhibits

The following documents are filed as exhibits to this Report.

EXHIBIT INDEX

Incorporated by Reference
Exhibit No.DescriptionFormExhibitFiling Date
2.1Share Exchange Agreement, dated February 11, 2026, by and among Onconetix, Inc., Realbotix, LLC, Realbotix Corp, and Simulacra Corporation.†8-K2.1February 12, 2026
3.1Amended and Restated Certificate of Incorporation filed with Delaware Secretary of State dated February 23, 20228-K3.1February 24, 2022
3.2Certificate of Amendment to the Company’s Second Amended and Restated Certificate of Incorporation, dated April 24, 20238-K3.1April 24, 2023
3.3Certificate of Amendment to the Company’s Second Amended and Restated Certificate of Incorporation, dated December 21, 20238-K3.1December 21, 2023
3.4Certificate of Amendment to the Amended and Restated Certificate of Incorporation, as amended, of Onconetix, Inc., dated September 24, 20248-K3.1September 24, 2024
3.5Certificate of Amendment to the Amended and Restated Certificate of Incorporation, as amended, of Onconetix, Inc., dated June 11, 20258-K3.1June 11, 2025
3.6Certificate of Amendment to the Amended and Restated Certificate of Incorporation, as amended, of Onconetix, Inc. dated March 25, 20268-K3.1March 27, 2026
3.7Certificate of Designations authorizing the issuance of the Series C Preferred Stock8-K3.1October 3, 2024
3.8Certificate of Correction to Certificate of Designations authorizing the issuance of the Series C Preferred Stock10-Q3.7June 12, 2025
3.9Fourth Amended and Restated Bylaws of the Company8-K3.2December 21, 2023
3.10Form of Warrant (Series E)8-K4.1October 3, 2025
3.11Certification of Designation of Series C Preferred Stock.8-K3.1October 3, 2024
3.12Certification of Designation of Series D Preferred Stock.8-K3.1September 26, 2025
4.1Form of Inducement PIO8-K4.1July 11, 2024
4.2Form of Warrant (Series C)8-K4.1October 3, 2024
4.3Form of Warrant (Series D)8-K4.1September 26, 2025
31.1*Certification of Principal Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*Certification of the Principal Financial Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**Certification of the Principal Executive Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**Certification of the Principal Financial Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS*Inline XBRL Instance Document.
101.SCH*Inline XBRL Taxonomy Extension Schema Document.
101.CAL*Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF*Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB*Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE*Inline XBRL Taxonomy Extension Presentation Linkbase Document.
104*Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).
*Filed herewith.
**Furnished herewith.
†Certain of the exhibits and schedules to this Exhibit have been omitted in accordance with Regulation S-K Item 601(a)(5). The Company agrees to furnish a copy of all omitted exhibits and schedules to the SEC upon its request.
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