Join ICON Public Limited Company Class Action Lawsuit: ICLR Lawsuit Sign Up Form

Levi & Korsinsky notifies investors that it has commenced an investigation into ICON Public Limited Company (NASDAQ: ICLR) concerning potential violations of the federal securities laws.

The magnitude of the single-day decline wiped out billions of dollars of shareholder value and represented one of the largest percentage drops in the CRO sector in recent years. Prior to the disclosure, ICLR had traded in a range that reflected investor confidence in the company’s reported financial trajectory and full-year 2025 guidance. The abruptness of the sell-off suggests the market had not priced in any risk of a revenue overstatement or an earnings-release delay. Analyst consensus heading into the fourth quarter had been calibrated to the company’s stated full-year revenue range of $8.05 billion to $8.1 billion and adjusted EPS guidance of $13.00 to $13.20—figures that management affirmed as recently as October 23, 2025, without qualification. The disclosure that prompted the sell-off was concise: the company stated it had identified a preliminary revenue overstatement of under two percent per year for fiscal years 2023 and 2024 and would delay the release of its Q4 and full-year 2025 results. CEO Barry Balfe had previously told investors the company’s performance was “broadly in line with expectations” and that he expected “conditions to remain broadly similar throughout the rest of the year.” CFO Nigel Clerkin had reported Q3 2025 revenue of $2.043 billion with a year-over-year increase of 0.6 percent, a comparison drawn from the now-questioned prior-year figures. In the quarters preceding the disclosure, ICON had repurchased $750 million of its own stock and its board had approved a new $1 billion buyback authorization, signaling confidence in the company’s financial position. A January 7, 2026 filing stated that full-year 2026 guidance would be issued “alongside the release of our fourth quarter and full-year 2025 results”—a timeline that was rendered moot by the subsequent delay announcement.

If you suffered a loss on your ICON Public Limited Company securities and would like to explore a potential recovery under the federal securities laws, submit to us or contact Joseph E. Levi, Esq. via email at [email protected] or call 212-363-7500 to speak to our team of experienced shareholder advocates.

Step 1 of 3

Quick First Step

Please provide your address so we can contact you about your case if eligible.

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Step 2 of 3

Add Your Transactions

Input your stock purchases and sales

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Alternatively, you may upload your transactions below or e-mail them to [email protected]

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Step 2 of 3

Certification of Plaintiff Pursuant to Federal Securities Laws

I, duly certify and say, as to the claims asserted under the federal securities laws, that:

  1. I have reviewed a complaint filed in the action.
  2. I did not purchase the security that is the subject of this action at the direction of plaintiff's counsel or in order to participate in this action.
  3. I am willing to serve as a representative party on behalf of the class, including providing testimony at deposition and trial, if necessary.
  4. My transaction(s) in ICON Public Limited Company which are the subject of this litigation during the class period set forth in the complaint are set forth in the chart attached hereto.
  5. Within the last 3 years,
  6. I will not accept any payment for serving as a representative party on behalf of the class beyond the Plaintiff's pro rata share of any recovery, except as ordered or approved by the court, including any award for reasonable costs and expenses (including lost wages) directly relating to the representation of the class.

Are you US Citizen?

Clear

Signed pursuant to California Civil Code Section 1633.1, et seq. - and the Uniform Electronic Transactions Act as adopted by the various states and territories of the United States.

By your signature above, you confirm that have retained Levi & Korsinsky, LLP to represent you and the shareholder class as a lead plaintiff in the pending class action against ICON Public Limited Company. This representation will be on a contingency basis, meaning that Levi & Korsinsky will advance all expenses in the litigation and will only seek compensation and/or reimbursement of expenses if the firm obtains a recovery. Regardless of the result, we will never ask you to directly pay for any attorneys’ fees, expenses, or costs. Should we obtain a favorable result, we may ask the court to award us compensation and reimbursement of expenses to be paid by the defendants or as a portion of any class recovery. In exchange for our representation, you agree to cooperate as our client by providing, for example, relevant documents and deposition testimony, if necessary. During the course of this litigation, we may employ and/or work with other law firms, experts, and third-parties to successfully prosecute this action. If you are not appointed as the lead plaintiff or Levi & Korsinsky is not appointed as lead counsel, we will notify you of such decision at which time this representation will end unless otherwise extended by you and the firm. We look forward to working with you towards a successful resolution of this action.

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Step 3 of 3

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