Onconetix: advances $500,000 to Realbotix, outstanding $3,000,000

What happened On Oct 22, 2026, Onconetix, Inc. reported that it made an additional advance of $500,000 to Realbotix, LLC pursuant to a Grid Promissory Note dated Sep 11, 2026. The company filed the Current Report on Form 8-K on Oct 23, 2026 and incorporated the prior Form 8-K filed Sep 14, 2026 by reference.

Key details

• The Note allows loans in an aggregate principal amount of up to $5,000,000.
• On Sep 11, 2026, $2,500,000 was advanced under the Note.
• On Oct 22, 2026, an additional $500,000 was advanced, bringing total outstanding principal under the Note to $3,000,000.
• The filing states that the terms of the Note remain unchanged.

Why it may matter The filing reports Item 8.01 (other events), which covers other events the company chose to report outside other specific item categories. The filing does not show why the insider traded or why the company acted.