Johnson Fistel, PLLP is investigating potential claims on behalf of investors of Grail, Inc. (NASDAQ: GRAL). The investigation focuses on Grail’s executive officers and whether investor losses may be recovered under federal securities laws.

What if I purchased Grail securities?

If you purchased Grail securities and suffered losses on your investment, join our investigation now: Click here to join the investigation.

Or for more information, contact Jim Baker at jimb@johnsonfistel.com or (619) 814-4471.

There is no cost or obligation to you.

Background of the investigation

On February 19, 2026, after the market closed, Grail disclosed results from its NHS-Galleri trial. The Company reported that the trial failed to meet its primary clinical endpoint, which was achieving a statistically significant reduction in combined Stage III and Stage IV cancer diagnoses.

Following this disclosure, Grail’s shares declined approximately 48% in after-hours trading.

In light of this disclosure, Johnson Fistel is investigating whether Grail complied with the federal securities laws. If you suffered losses from your investment in Grail stock, contact Johnson Fistel.

About Johnson Fistel, PLLP | Securities Fraud & Investor Rights

Johnson Fistel, PLLP is a nationally recognized shareholder-rights law firm with offices in California, New York, Georgia, Idaho, and Colorado. The firm represents individual and institutional investors in shareholder derivative and securities class action lawsuits and also assists foreign investors who purchased shares on U.S. exchanges. To learn more, visit www.johnsonfistel.com.

Achievements

In 2024, Johnson Fistel was ranked among the Top 10 Plaintiff Law Firms by ISS Securities Class Action Services. This recognition reflects the firm’s effectiveness in advocating for investors, having recovered approximately $90,725,000 for aggrieved clients in cases where it served as lead or co-lead counsel. This marks the eighth time the firm has been recognized as a top plaintiffs’ securities law firm in the United States, based on the total dollar value of final recoveries.

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Johnson Fistel, PLLP is investigating potential claims on behalf of investors of Grail, Inc. (NASDAQ: GRAL). The investigation focuses on Grail’s executive officers and whether investor losses may be recovered under federal securities laws.