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ONCO
NASDAQ Life Sciences

Onconetix Completes 1-for-5 Reverse Stock Split to Maintain Nasdaq Listing

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Biotech Stocks · Healthcare
Sentiment info
Negative
Importance info
7
Price
$4.25
Mkt Cap
$2.308M
52W Low
$2.198
52W High
$74.29
52W Position info
93% above low
Off High info
94% below high
Rel. Volume info
5.8× avg
Market data snapshot near publication time

ONCO sits 93% above its 52-week low of $2.198 on elevated volume (5.8× avg).

Summary

Onconetix formally completed its 1-for-5 reverse stock split, effective March 25, 2026, to maintain Nasdaq listing compliance, reducing outstanding shares and increasing the potential for future dilution.


Key Events · Corporate Governance and Compliance · ONCO

  • Reverse Stock Split Effective

    The 1-for-5 reverse stock split became effective at 12:01 a.m. Eastern Time on March 25, 2026, with shares trading on a split-adjusted basis since market open on that date.

  • Nasdaq Listing Compliance

    The reverse stock split was implemented to enable the company to maintain compliance with The Nasdaq Capital Market's minimum bid price requirement.

  • Share Count Reduction

    The reverse split reduced the number of issued and outstanding common shares from 3,464,686 to 692,927.

  • Increased Dilution Potential

    There was no corresponding reduction in the number of authorized shares, which significantly increases the potential for future dilution relative to the reduced outstanding share count.


Analysis · ONCO · Life Sciences

Onconetix has formally completed its 1-for-5 reverse stock split, a critical action to maintain compliance with Nasdaq's minimum bid price requirement. This follows the company's recent disclosure of substantial doubt about its ability to continue as a going concern and its pursuit of additional reverse stock split authority. While the reverse split addresses an immediate delisting threat, the fact that authorized shares were not proportionally reduced significantly increases the potential for future dilution, which is a negative implication for existing shareholders, especially given the company's pending highly dilutive merger.

How filings like this one have moved

In the 30 days to Oct 27, 2026, 29.9% of the 1374 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.12%. These are measured outcomes after filings of this importance, not a forecast for this one.

Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset

At the time of this filing, ONCO was trading at $4.25 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $2.3M. The 52-week trading range was $2.20 to $74.29. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.

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ONCO - Latest Insights

ONCO
Oct 26, 2026, 5:04 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $0.4102
Real-time Price: $0.3321 info
Change: -$0.0781 (-19%) info
Market Cap: $2.092M info
ONCO
Oct 26, 2026, 5:03 PM EDT
Source: GlobeNewswire
Importance Score:
7
Price at Filing: $0.350
Real-time Price: $0.3321 info
Change: -$0.0179 (-5%) info
Market Cap: $2.092M info
ONCO
Oct 07, 2026, 11:29 AM EDT
Filing Type: DEF 14A
Importance Score:
7
Price at Filing: $0.6545
Real-time Price: $0.3321 info
Change: -$0.3224 (-49%) info
Market Cap: $2.092M info
ONCO
Sep 17, 2026, 11:32 AM EDT
Filing Type: PRE 14A
Importance Score:
8
Price at Filing: $0.6585
Real-time Price: $0.3321 info
Change: -$0.3264 (-50%) info
Market Cap: $2.092M info
ONCO
Sep 14, 2026, 8:31 AM EDT
Filing Type: 425
Importance Score:
7
Price at Filing: $0.770
Real-time Price: $0.3321 info
Change: -$0.4379 (-57%) info
Market Cap: $2.092M info