PRIM INVESTOR ALERT: Contact Kirby McInerney LLP About Securities Class Action Lawsuit On Behalf of Primoris Services Corporation Investors

NEW YORK CITY, NY / ACCESS Newswire / September 9, 2026 / The law firm of Kirby McInerney LLP reminds Primoris Services Corporation ("Primoris" or the "Company") (NYSE:PRIM) investors of the September 21, 2026 lead plaintiff deadline to seek lead plaintiff appointment in the class action filed on behalf of investors who acquiredPrimoris securities between August 5, 2025 and June 22, 2026, inclusive ("the Class Period").

Investors are encouraged to contact Lauren Molinaro ofKirby McInerney LLP by email at [email protected], or fill out the contact form below to discuss your rights or interests in the securities fraud class action lawsuit at no cost.

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Courts do not consider applications filed after the lead plaintiff deadline. The lead plaintiff oversees the litigation on behalf of the class and may influence key decisions, including litigation strategy and settlement. Courts regularly appoint individual investors as lead plaintiffs, not only institutions. Learn more about the lead plaintiff process and eligibility requirements here.

What Is The Lawsuit About?

The lawsuit alleges Primoris made materially false and misleading statements regarding Primoris' cost estimation, cost-to-complete forecasting, project execution, ability to manage project risk, financial performance, and financial guidance because the Company knew or recklessly disregarded that: (i) Primoris' cost estimation, cost-to-complete forecasting, and project oversight processes were deficient and failed to provide reliable estimates of the costs and expected profitability of significant fixed-price renewable energy projects; (ii) as a result, Primoris systematically underestimated the costs and risks of significant fixed-price renewable energy projects that were experiencing material cost overruns, execution problems, and schedule delays; and (iii) accordingly, the Company's statements regarding its estimating processes, project execution, ability to manage project risk, financial performance, and financial guidance lacked a reasonable basis and omitted material adverse facts.

On February 23, 2026, Primoris reported fourth quarter and full-year 2025 financial results, disclosing increased costs on certain renewable energy projects, more challenging-than-anticipated conditions, and margin compression within its Energy segment, acknowledging that these issues adversely affected profitability despite higher revenue. On this news, Primoris' stock price fell $13.72 per share, or over 8%, to close at $151.92 per share on February 24, 2026.

Then, on May 5, 2026, the Company reported first quarter 2026 results, disclosed additional adverse developments affecting its renewable energy business, including revenue and margin pressure, delayed project starts, and weaker-than-expected first-quarter 2026 results. The Company also reduced its full-year 2026 Adjusted EPS guidance from $5.80-$6.00 to $4.80-$5.00 and lowered its Adjusted EBITDA guidance. On this news, Primoris' stock price fell by $101.69, or over 50%, to close at $101.23 per share on May 6, 2026.

On June 8, 2026, Primoris announced that Anthony Vorderbruggen, the Company's President of Renewables, was departing the Company, effective immediately. On this news, Primoris' stock price declined approximately 15%, closing at $103.90 per share on June 9, 2026.

Finally, on June 22, 2026, Primoris announced that an internal review, supported by an independent third-party industry expert, had identified significant cost overruns, project delays, and execution challenges affecting six renewable energy projects. The Company also reduced its 2026 Adjusted EPS guidance to $2.05-$2.60 and lowered its Adjusted EBITDA guidance. Additionally, Primoris announced the resignation of Jeremy Kinch as Chief Operating Officer. On this news, Primoris' stock price fell by $23.39 per share, or over 21%, to close at $84.95 on June 23, 2026.

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What Should I Do?

If you purchased or otherwise acquired Primoris securities, have information, or would like to learn more about this investigation, please contact Lauren Molinaro of Kirby McInerney LLP by email at [email protected], or fill out the contact form, to discuss your rights or interests with respect to these matters at no cost.

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Kirby McInerney LLP is a New York-based plaintiffs' law firm concentrating in securities, antitrust, whistleblower, and consumer litigation. The firm's efforts on behalf of shareholders in securities litigation have resulted in recoveries totaling billions of dollars. Additional information about the firm can be found at Kirby McInerney LLP's website.

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Contacts

Kirby McInerney LLP

Lauren Molinaro, Esq.

212-699-1171

https://www.kmllp.com

https://securitiesleadplaintiff.com/

[email protected]

SOURCE: Kirby McInerney LLP