Amendment to Initial Statement of Beneficial Ownership - Form 3/A

Ownership Submission

FORM 3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number:3235-0104Expires:January 31, 2005Estimated average burden hours per response...0.5

1. Name and Address of Reporting Person * Altos Venture AG 2. Date of Event Requiring Statement (Month/Day/Year) 2024-09-24 3. Issuer Name and Ticker or Trading Symbol Onconetix, Inc. [ONCO] (Last) (First) (Middle) OBERTORWEG 64 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) 2024-09-26 (Street) ALLSCHWIL V8 CH-4123 6. Individual or Join/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security 2. Amount of Securities Beneficially Owned 3. Ownership Form: Direct (D) or Indirect (I) 4. Nature of Indirect Beneficial Ownership

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivate Security	2. Date Exercisable and Expiration Date	3. Title and Amount of Securities Underlying Derivative Security	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)	6. Nature of Indirect Beneficial Ownership
Date Exercisable	Expriation Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Director	10% Owner	Officer	Other
Altos Venture AG OBERTORWEG 64 ALLSCHWIL, V8CH-4123

Signatures

/s/ Altos Venture, AG, by /s/ Tobias Fischli, Authorized Signatory	2024-11-01
**Signature of Reporting Person	Date

Explanation of Responses:

(*)	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
(**)	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Pursuant to a Subscription Agreement with the Issuer dated December 15, 2023, the Reporting Person purchased Units of Common Stock and warrants (immediately exercised) on September 24, 2024. Under a make-whole provision in the Subscription Agreement, the Issuer agreed to adjust the price for the Units by issuing additional shares of Common Stock to the Reporting Person on June 23, 2025 in the event that the Issuer VWAP during the period from September 25, 2024 through June 21, 2025 is less than $10.00. "Issuer VWAP" for this purpose means the average of the daily volume-weighted average prices of the Common Stock on Nasdaq for completed trading days, as reported on Bloomberg or, if not reported thereby, any other authoritative source.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.

Public link

Please use the above public link if you want to share this noodl on another website.