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Onconetix, Inc. (ONCO) Form 424B3 — Sep 8, 2026

$ONCOForm 424B3Filed Sep 8, 2026, 5:28 PM ET0001213900-26-098126Original filing

Onconetix filed a 424B3 prospectus registering the resale by Seven Knots LLC of up to 100,000,000 common shares issuable upon conversion of Series F preferred stock, a figure the filing itself says would equal 2,282% of the company's 4,380,522 shares outstanding as of August 28, 2026. The company will receive no proceeds from these resales; the Series F preferred was issued in a July 2026 PIPE with an aggregate purchase price of $30,249,600, satisfied mostly by cancelling a $30,000,000 commitment fee Onconetix owed Seven Knots under a new $750,000,000 equity line of credit.

Key figures

Net Income
-$14.0 million FY2025; -$58.7 million FY2024
Cash Position
approximately $5.1 million as of August 28, 2026 ($5.9 million as of June 30, 2026)
Gross Proceeds
None to the company from Selling Stockholder resales; underlying July 2026 PIPE was $30,249,600, satisfied mostly via cancellation of a $30,000,000 commitment fee plus $249,600 cash
Shares Offered
100000000
Shares Outstanding
4380522
Eloc commitment
$750,000,000 capped at 789,426 shares (19.99% Exchange Cap)
Accumulated deficit
approximately $138.3 million as of June 30, 2026
Reverse splits 2026
1:5 (March 25, 2026) and 1:10 (May 21, 2026)
Default dividend rate
15% per annum upon Triggering Event
Conversion floor price
0.19534
Initial conversion price
0.9767
Last reported sale price
0.612
Beneficial ownership limit
4.99% (raisable to 9.99%)
Operating cash used h1 2026
approximately $4.0 million
Max purchase per vwap notice
$5,000,000
Dilution vs shares outstanding
2,282%
Realbotix seller ownership range
75%-90% of fully diluted shares depending on Net Cash
Series f preferred shares issued
37812
Shares outstanding after offering
104380522
Keystone eloc gross proceeds to date
approximately $11.7 million for ~3.3 million split-adjusted shares
Nasdaq exchange cap shares currently issuable
789426

AI analysis

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AI-generated analysis of a public disclosure. Not investment advice; verify against the original document.