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

The investigation concerns whether Larimar has violated federal securities laws.

Investigation Details

On September 29, 2025, Larimar announced data from an ongoing open-label study investigating daily subcutaneous injections of Nomlabofusp in participants with Friedreich’s Ataxia. The Company claimed the data was “positive” but also disclosed seven study participants suffered from severe allergic reactions or anaphylaxis. Following this news, Larimar stock dropped more than 33.6% on the same day.

What’s Next?

If you are aware of any facts relating to this investigation or purchased Larimar securities, you can assist this investigation. You can also contact Peretz Bronstein or his client relations manager, Nathan Miller, of Bronstein, Gewirtz & Grossman, LLC: 332-239-2660