Bronstein, Gewirtz & Grossman, LLC is investigating potential claims on behalf of purchasers of 2seventy bio, Inc. (“2seventy bio” or “the Company”) (NASDAQ: TSVT). Investors who purchased 2seventy bio securities are encouraged to obtain additional information and assist the investigation.

The investigation concerns whether 2seventy bio has violated federal securities laws.

Investigation Details

On September 25, 2024, 2seventy bio issued a press release announcing that it “will discontinue enrollment in its ongoing Phase 3 KarMMa-9 study evaluating Abecma® (idecabtagene vicleucel; ide-cel) with lenalidomide maintenance versus lenalidomide maintenance alone in patients with newly diagnosed multiple myeloma (NDMM) who have suboptimal response to autologous stem cell transplant.” Explaining the decision, the Company’s Chief Executive Officer cited “a greatly improved NDMM treatment landscape and . . . our rigorous review of the business case for the KarMMa-9 study”. On this news, 2seventy bio’s stock price fell sharply during intraday trading on September 25, 2024.

What’s Next?

If you are aware of any facts relating to this investigation or purchased 2seventy bio 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.