Bronstein, Gewirtz & Grossman, LLC is investigating potential claims on behalf of purchasers of Valneva SE (“Valneva” or “the Company”) (NASDAQ: VALN). Investors who purchased Valneva securities are encouraged to obtain additional information and assist the investigation.

The investigation concerns whether Valneva has violated federal securities laws.

Valneva Investigation Details

On March 23, 2026, Valor and its development partner Pfizer Inc. issued a press release “announc[ing] topline results from the Phase 3 VALOR “Vaccine Against Lyme for Outdoor Recreationists” clinical trial (NCT05477524) of its investigational 6-valent OspA-based Lyme disease vaccine candidate PF-07307405 (LB6V, formerly known as VLA15)”. Although the two companies characterized the data as positive, the press release reported that the vaccine failed to meet its primary endpoint, citing a low incidence of disease cases. Following this news, Valneva’s American Depositary Receipt (“ADR”) price fell $3.83 per ADR, or 37.11%, to close at $6.49 on March 23, 2026.

What’s Next for Valneva Investors?

If you are aware of any facts relating to this investigation or purchased Valneva securities, you can assist this investigation. You can also contact Peretz Bronstein or his client relations manager, Nathan Miller, of Bronstein, Gewirtz & Grossman, LLC: 917-590-0911