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Theriva Biologics Provides Response to Unusual Market Action

MWN-AI** Summary

On October 24, 2025, Theriva Biologics (NYSE American: TOVX) publicly addressed unusual trading activity in its stock. This announcement follows the company's observance of heightened trading volumes and fluctuations, which prompted inquiries pursuant to NYSE regulations. Despite the unusual market action, Theriva confirmed that there were no undisclosed material developments or reasons behind the trading spikes, leading them to conclude that no corrective measures were necessary.

This response coincides with a recently released presentation of expanded data from the VIRAGE trial focusing on VCN-01, an oncolytic adenovirus. This data was unveiled at the European Society for Medical Oncology (ESMO 2025) Annual Congress on October 13, 2025, which may have contributed to the increased interest in the company's stock. VCN-01 is engineered to selectively replicate within tumor cells while degrading the tumor's stroma, aiming to enhance the efficacy of combined cancer therapies.

Theriva Biologics is a clinical-stage organization focusing on innovative cancer therapies and treats areas with significant unmet medical needs. Key candidates under development include VCN-01 and SYN-004, which aims to protect the gastrointestinal microbiome in patients receiving certain antibiotics. Their third candidate, SYN-020, is a recombinant enzyme intended for systemic and local gastrointestinal diseases.

The company emphasizes that it remains committed to transparency and keeping shareholders informed. For ongoing updates, they encourage stakeholders to visit their website or connect with their investor relations team.

MWN-AI** Analysis

On October 24, 2025, Theriva Biologics (NYSE American: TOVX) released a statement addressing unusual trading activity in its stock, occurring shortly after its presentation of expanded data from its VIRAGE trial at the ESMO 2025 conference. This announcement may invite both interest and caution among investors.

The occurrence of unusual trading could suggest speculative trading patterns or reactions to recent developments, despite Theriva asserting that no material news has been disclosed. Typically, unexplained spikes in trading can indicate market participants are reacting to underlying expectations or sentiments which may not yet be publicly disclosed. Investors should be vigilant in dissecting the implications of such trading.

While Theriva’s innovative pipeline, particularly with VCN-01, offers promising therapeutic avenues for treating cancer, potential investors must remain aware that clinical-stage companies often face considerable volatility. Without diversification in stages of drug development or revenue generation, the stock can be particularly sensitive to interim results, such as those presented at ESMO.

Investors considering entry into TOVX should evaluate the company's fundamentals and the wider competitive landscape, especially its capability to translate promising trial results into successful regulatory approvals. Given the specific nature of its therapeutic developments and the high unmet medical need they address, there exists substantial long-term potential. However, it is vital to anticipate market fluctuations and appreciation based on trial outcomes.

In light of current unusual trading, it may be prudent for investors to adopt a measured approach to gauge further developments while closely monitoring the outcomes from ongoing trials. This strategy will allow for better-informed decisions amidst potential market volatility and speculative trading linked to Theriva's developments.

**MWN-AI Summary and Analysis is based on asking OpenAI to summarize and analyze this news release.

Source: GlobeNewswire

ROCKVILLE, Md., Oct. 24, 2025 (GLOBE NEWSWIRE) -- Theriva™ Biologics (NYSE American: TOVX), (“Theriva” or the “Company”), a diversified clinical-stage company developing therapeutics designed to treat cancer and related diseases in areas of high unmet need, announced today that the Company had become aware of unusual trading activity in its common stock on the NYSE American (the “NYSE”) on October 24, 2025. The Company is issuing this press release pursuant to Section 401(d) of the NYSE Company Guide. The Company has made inquiries and does not believe corrective actions are appropriate. The Company is further announcing that there has been no material development in its business and affairs not previously disclosed or, to its knowledge, any other reason to account for the unusual market action. However, on October 13, 2025, the Company announced the presentation of expanded data from its VIRAGE trial investigating VCN-01 at a mini oral session at the European Society for Medical Oncology (ESMO 2025) Annual Congress.

About Theriva™ Biologics, Inc.

Theriva™ Biologics (NYSE American: TOVX), is a diversified clinical-stage company developing therapeutics designed to treat cancer and related diseases in areas of high unmet need. The Company’s subsidiary Theriva Biologics, S.L., has been developing a new oncolytic adenovirus platform designed for intravenous (IV), intravitreal and antitumoral delivery to trigger tumor cell death, improve access of co-administered cancer therapies to the tumor, and promote a robust and sustained anti-tumor response by the patient’s immune system. The Company’s lead clinical-stage candidates are: (1) VCN-01 (zabilugene almadenorepvec), an oncolytic adenovirus designed to replicate selectively and aggressively within tumor cells, and to degrade the tumor stroma barrier that serves as a significant physical and immunosuppressive barrier to cancer treatment; (2) SYN-004 (ribaxamase) which is designed to degrade certain commonly used IV beta-lactam antibiotics within the gastrointestinal (GI) tract to prevent microbiome damage, thereby limiting overgrowth of pathogenic organisms such as VRE (vancomycin resistant Enterococci) and reducing the incidence and severity of acute graft-versus-host-disease (aGVHD) in allogeneic hematopoietic cell transplant (HCT) recipients; and (3) SYN-020, a recombinant oral formulation of the enzyme intestinal alkaline phosphatase (IAP) produced under cGMP conditions and intended to treat both local GI and systemic diseases. For more information, please visit Theriva Biologics’ website at www.therivabio.com .

For further information, please contact:

Investor Relations:
Kevin Gardner
LifeSci Advisors, LLC
kgardner@lifesciadvisors.com


FAQ**

What specific factors could be contributing to the unusual trading activity in Theriva Biologics, Inc. TOVX's common stock on October 24, 2025, given the absence of new material information?

Potential factors contributing to unusual trading activity in Theriva Biologics, Inc. (TOVX) could include speculative investor sentiment, social media influence, algorithmic trading patterns, or undisclosed insider information, despite the lack of new material news.

How has the expanded data presentation from the VIRAGE trial on October 13, 2025, influenced investor sentiment towards Theriva Biologics, Inc. TOVX following the announcement of unusual trading activity?

The expanded data presentation from the VIRAGE trial on October 13, 2025, positively influenced investor sentiment towards Theriva Biologics, Inc. (TOVX) amid unusual trading activity, as it bolstered confidence in the company's prospects and drove increased trading volume.

Can you provide insights on how Theriva Biologics, Inc. TOVX plans to further develop its oncolytic adenovirus platform and what investors should expect in the coming months?

Theriva Biologics, Inc. TOVX aims to advance its oncolytic adenovirus platform through ongoing clinical trials and strategic partnerships, with investors anticipating updates on trial progress, potential new indications, and collaborations in the coming months.

What steps is Theriva Biologics, Inc. TOVX taking to ensure that shareholder interests are protected amidst unusual trading activity, especially after recent inquiries into the situation?

Theriva Biologics, Inc. (TOVX) is actively enhancing communication with shareholders, engaging with regulatory bodies, and implementing comprehensive compliance measures to safeguard shareholder interests amidst unusual trading activity and inquiries.

**MWN-AI FAQ is based on asking OpenAI questions about Theriva Biologics, Inc. (NYSE: TOVX).

Theriva Biologics, Inc.

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