Grail, Inc.

Grail Shareholders Are Encouraged to Reach Out to Johnson Fistel for More Information About Potentially Recovering Their Losses

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?

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If you suffered a loss on your investment and would like to inquire about joining an action to recover your loss under the federal securities laws, please complete the form below. The information provided will be held in strict confidence unless and until you authorize us to disclose it.

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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 50% 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