SOUTH SAN FRANCISCO, Calif., June 25, 2024 /PRNewswire/ -- Rigel Pharmaceuticals, Inc. (Nasdaq: RIGL) today announced that it will effect a reverse stock split of its issued and outstanding shares of common stock at a ratio of 1-for-10 (the "Reverse Stock Split"), effective at 12:01 a.m. Eastern Time on Thursday, June 27, 2024. The company's common stock will begin trading on a post-split basis on The Nasdaq Global Select Market under the same symbol (RIGL) when the market opens on Thursday, June 27, 2024, ...