Thomas Meier - 15 Aug 2025 Form 4 Insider Report for Onconetix, Inc. (ONCO)

Reporting relationship: Director
Issuer ticker: ONCO
Reported as of: 15 Aug 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 19 Aug 2025, 16:05:25 UTC
Prior SEC filing: 30 Sep 2024
Source filing: View source filing
Reporting owner signature: /s/ Thomas Meier

Key filing fact

Thomas Meier filed Form 4 for Onconetix, Inc. (ONCO) on 19 Aug 2025.

Key facts

This page summarizes Thomas Meier's Form 4 filing for Onconetix, Inc. (ONCO).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 19 Aug 2025, 16:05.

Change

Previous filing in this sequence was filed on 30 Sep 2024.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002010924 Primary reporting owner

Meier Thomas

Relationship: Director
Address: C/O ONCONETIX, INC., 201 E. FIFTH STREET, SUITE 1900, CINCINNATI
Signature: /s/ Thomas Meier
Signature date: 19 Aug 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ONCO transaction

Common Stock

Other

Transaction value: $0
Shares: +39
Change %
Price: $0.000000
Shares after: 39
Date: 15 Aug 2025
Ownership: Direct
Footnotes: F1, F2

ONCO transaction

Common Stock

Award

Transaction value: $0
Shares: +618
Change %: +1585%
Price: $0.000000
Shares after: 657
Date: 15 Aug 2025
Ownership: Direct
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents a restricted stock award originally granted to the Reporting Person on September 26, 2024 pursuant to the Issuer's 2022 Equity Incentive Plan, as amended ("2022 Plan" and the grant on such date, the "Original Award"). On August 15, 2025, the Original Award was modified to change the vesting terms, such that the award, which was to vest in full on August 31, 2025, was changed to vest in full on August 31, 2026, so long as the Reporting Person continues to serve as a non-employee director of the Issuer until such date. Except as set forth herein, the Original Award remains unmodified.

Footnote F2

On June 13, 2025, the Issuer effected a 1-for-85 reverse split of its Common Stock. The amounts set forth herein are presented on a post-split basis.

Footnote F3

Represents a restricted stock award granted to the Reporting Person pursuant to the 2022 Plan. The award will vest in full on August 31, 2026 so long as the Reporting Person continues to serve as a non-employee director of the Issuer until such date.