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Investigation Launched into Cardinal Infrastructure Group by Hagens Berman

Hagens Berman, a prominent national law firm specializing in shareholder rights, has opened an investigation concerning Cardinal Infrastructure Group Inc. (NASDAQ: CDNL). The inquiry follows a striking decline in the company's stock price, which occurred after a disappointing financial report was released on August 11, 2026. This investigation centers on potential violations of federal securities laws, specifically whether Cardinal misled its investors about its operations and future business prospects.

Background of Cardinal Infrastructure Group

On June 24, 2026, Cardinal Infrastructure successfully completed a secondary public offering of 4.6 million shares of its Class A common stock at a price of $73.00 per share, leading to net proceeds exceeding $318 million. In the promotional materials and updates provided to investors in May 2026, Cardinal highlighted its expanding project backlog, which amounted to $866 million as of June 30. This was positioned as clear evidence of strong execution and rising demand for the company’s services.

However, the financial report released in August revealed concerning results. Despite posting what could be described as record revenues, Cardinal's profitability faced significant pressure. According to the reported figures:

• - The adjusted earnings per share dropped a staggering 51% year-over-year, registering at just $0.26 compared to the analyst expectations of $0.47.
• - The adjusted gross profit margin fell sharply to 15.9%, down from 21.3% in the same quarter a year prior.
• - The adjusted EBITDA margin also experienced a decline, decreasing to 12.4% from 18.6% year-over-year.

Furthermore, Cardinal's management had to downgrade its expectations for the full-year 2026 adjusted EBITDA margin target to between 16% and 18%, a stark contrast to previous forecasts that suggested a figure exceeding 20%.

Reasons Behind the Stock Plunge

The reasons cited by Cardinal’s management for these shocking results included escalating labor shortages, a heavy dependence on costly third-party equipment, and high subcontractor expenses that were necessary to manage its rapidly growing backlog. The immediate reaction in the financial markets was a sharp decline in Cardinal’s stock price, which plummeted over 36% within a single trading session—triggering alarm bells among investors.

Reed Kathrein, a partner at Hagens Berman and head of the investigation, stated, "Our inquiry is focusing on whether Cardinal had a responsibility to disclose the challenges related to cost pressures and equipment dependencies at the same time they were promoting their expanding backlog to the public."

What Investors Should Do

For investors who acquired shares of Cardinal Infrastructure Group Inc. and suffered substantial losses following the recent downturn, Hagens Berman urges you to act. Reporting your losses could be beneficial for your position. They ask that affected individuals submit their information as part of the ongoing investigation.

Additionally, the law firm is appealing to whistleblowers who may possess non-public information related to Cardinal. They can explore their options to assist in this investigation, as well as consider the SEC Whistleblower program, which rewards individuals who supply original information that leads to a successful enforcement action by the SEC.

Interested parties can directly contact Reed Kathrein at (844) 916-0895 or at [email protected] for further assistance.

About Hagens Berman

Hagens Berman Sobol Shapiro LLP specializes in representing investors in cases of securities fraud and has a proven track record in recovering billions for defrauded investors. The firm is recognized as one of the leading plaintiffs' securities law firms nationwide, boasting 90 attorneys across 10 offices and also operating in three other countries. More information about their practices and ongoing investigations can be found on their official website. Legal disclaimers apply, with the firm noting that prior case results do not guarantee future successes.

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