The Law Offices of Frank R. Cruz announces an investigation of Onterris, Inc. (“Onterris” or the “Company”) (NYSE: ONT) on behalf of investors concerning the Company’s possible violations of federal securities laws.

IF YOU ARE AN INVESTOR WHO LOST MONEY ON ONTERRIS, INC. (ONT), CLICK HERE TO INQUIRE ABOUT POTENTIALLY PURSUING A CLAIM TO RECOVER YOUR LOSS.

What Is The Investigation About?

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:

The Law Offices of Frank R. Cruz,

2121 Avenue of the Stars, Suite 800,

Century City, California 90067

Call us at: 310-914-5007

Email us at: info@frankcruzlaw.com

Visit our website at: www.frankcruzlaw.com.

Follow us for updates on Twitter at twitter.com/FRC_LAW.

If you inquire by email, please include your mailing address, telephone number, and number of shares purchased.

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

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