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Form SCHEDULE 13G Onconetix, Inc. Filed by: KEYSTONE CAPITAL PARTNERS, LLC

July 27, 2026 1:24 PM





Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G




Comment for Type of Reporting Person: The percentages used herein are calculated based upon 3,691,492 shares of common stock outstanding as of June 5, 2026, as reported by the Company in its Prospectus dated June 16, 2026 (Registration No. 333-296615), filed with the SEC on June 17, 2026. Amount beneficially owned excludes (i) 1,214,228 shares issuable upon exercise of warrants held by Keystone, (ii) 12,195 shares issuable upon conversion of shares of preferred stock held by Keystone, based on an alternate conversion price of $0.82, and (iii) 99,742,303 shares issuable pursuant to a common stock purchase agreement by and between the Company and Keystone, which in each case are subject to a prohibition on issuance if such issuance would result in the holder beneficially owning over 4.99% of the common stock.


SCHEDULE 13G




Comment for Type of Reporting Person: The percentages used herein are calculated based upon 3,691,492 shares of common stock outstanding as of June 5, 2026, as reported by the Company in its Prospectus dated June 16, 2026 (Registration No. 333-296615), filed with the SEC on June 17, 2026. Amount beneficially owned excludes (i) 1,214,228 shares issuable upon exercise of warrants held by Keystone, (ii) 12,195 shares issuable upon conversion of shares of preferred stock held by Keystone, at an alternate conversion price of $0.82, and (iii) 99,742,303 shares issuable pursuant to a common stock purchase agreement by and between the Company and Keystone, which in each case are subject to a prohibition on issuance if such issuance would result in the holder beneficially owning over 4.99% of the common stock.


SCHEDULE 13G




Comment for Type of Reporting Person: The percentages used herein are calculated based upon 3,691,492 shares of common stock outstanding as of June 5, 2026, as reported by the Company in its Prospectus dated June 16, 2026 (Registration No. 333-296615), filed with the SEC on June 17, 2026. Amount beneficially owned excludes (i) 1,214,228 shares issuable upon exercise of warrants held by Keystone, (ii) 12,195 shares issuable upon conversion of shares of preferred stock held by Keystone, at an alternate conversion price of $0.82, and (iii) 99,742,303 shares issuable pursuant to a common stock purchase agreement by and between the Company and Keystone, which in each case are subject to a prohibition on issuance if such issuance would result in the holder beneficially owning over 4.99% of the common stock.


SCHEDULE 13G



Keystone Capital Partners, LLC
Signature:/s/ Fredric Zaino
Name/Title:Fredric Zaino, as Managing Member of Keystone Capital Partners, LLC, as the CIO of Keystone Capital Partners, LLC
Date:07/27/2026
RANZ Group LLC
Signature:/s/ Fredric Zaino
Name/Title:Fredric Zaino, as Managing Member of RANZ Group LLC
Date:07/27/2026
Fredric Zaino
Signature:/s/ Fredric Zaino
Name/Title:Fredric Zaino, individually
Date:07/27/2026
Exhibit Information

Exhibit 99.1 Joint Filing Agreement

ATTACHMENTS / EXHIBITS

JOINT FILING AGREEMENT

Categories

SEC Filings