THURSDAY, OCTOBER 8, 2026|No. 17960
Business · Investigation

Onterris, Inc. Faces Securities Fraud Investigation Following Stock Plunge

Law firm Howard G. Smith has initiated a securities fraud investigation into Onterris, Inc. after a significant drop in its stock price.

The stock ticker for Onterris, Inc. shows a significant decline.
The stock ticker for Onterris, Inc. shows a significant decline. · Photo by Maxim Hopman on Unsplash
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Law Offices of Howard G. Smith announces an investigation on behalf of Onterris, Inc. (“Onterris” or the “Company”) (NYSE: ONT) investors concerning the Company’s possible violations of federal securities laws.

IF YOU ARE AN INVESTOR WHO SUFFERED A LOSS IN ONTERRIS, INC. (ONT), CONTACT THE LAW OFFICES OF HOWARD G. SMITH ABOUT POTENTIALLY PURSUING CLAIMS TO RECOVER YOUR LOSS.

Contact the Law Offices of Howard G. Smith to discuss your legal rights by email at howardsmith@howardsmithlaw.com, by telephone at (215) 638-4847 or visit our website at www.howardsmithlaw.com.

What Happened?

On August 5, 2026, Onterris reported second quarter 2026 results, including, among other things, revenue of $186.6 million, a decline of -20.4% year over year. Full year 2026 revenue guidance was also lowered to $740 million to $790 million (vs prior guidance of $840 million to $900 million). The Company stated its “momentum” was “offset by [] temporary regulatory waivers that certain of our clients received from federal and state regulators for select air testing services.”

On this news, Onterris's stock price fell $7.54 per share, or 33.3%, to close at $15.09 per share on August 6, 2026, thereby injuring investors.

Contact Us To Participate or Learn More:

If you purchased Onterris, Inc. securities, have information or would like to learn more about these claims, or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact us:

Law Offices of Howard G. Smith, 3070 Bristol Pike, Suite 112, Bensalem, Pennsylvania 19020, Telephone: (215) 638-4847 Email: howardsmith@howardsmithlaw.com Visit our website at: www.howardsmithlaw.com.

This press release may be considered Attorney Advertising in some jurisdictions under the applicable law and ethical rules.

PAN's pipeline reviewed approximately 1 open sources for this article. No human editor reviewed this article before publication.

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