Onconetix (ONCO) director Sammy Dorf submits initial Form 3 ownership

Rhea-AI Filing Summary

Onconetix, Inc. director Sammy Dorf filed an initial ownership report on Form 3. This filing establishes his status as a director and brings his equity position under Section 16 reporting, but it does not list any transactions, purchases, or sales of Onconetix stock.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL 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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

DORF SAMMY

(Last) (First) (Middle)

C/O ONCONETIX, INC.

201 E. FIFTH STREET, SUITE 1900

(Street)

CINCINNATI OHIO 45202

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/19/2026

3. Issuer Name and Ticker or Trading Symbol
Onconetix, Inc. [ ONCO ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Sammy Dorf	03/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Form 3 filed by Sammy Dorf for ONCO show?

The Form 3 for Onconetix, Inc. (ONCO) reports that Sammy Dorf is a director of the company. It is an initial ownership filing and shows no reported purchases, sales, or other stock transactions in this document.

Did Sammy Dorf buy or sell any Onconetix (ONCO) shares in this Form 3?

No transactions are reported for Sammy Dorf in this Form 3. The transaction section shows zero buys, zero sells, and no other activity, indicating only an initial ownership report without trading details.

What is Sammy Dorf’s role at Onconetix, Inc. (ONCO)?

The filing identifies Sammy Dorf as a director of Onconetix, Inc. This means he serves on the company’s board and is subject to insider reporting rules, including initial Form 3 and future Form 4 or 5 filings if he trades.

Does the ONCO Form 3 include any derivative securities or options for Sammy Dorf?

The Form 3 derivative section for Sammy Dorf is empty. The summary shows zero derivative transactions and no remaining derivative positions, so no options, warrants, or similar instruments are reported here.

What does a neutral net buy/sell direction mean in the ONCO Form 3?

The net buy/sell direction is listed as neutral because there are no reported transactions. Buy, sell, exercise, gift, and other transaction counts are all zero, reflecting a pure initial ownership filing without trading activity.