 FLORHAM PARK, N.J., May 25, 2021 GLOBE NEWSWIRE -- Phathom Pharmaceuticals, Inc. Nasdaq: PHAT, a late clinical-stage biopharmaceutical company focused on developing and commercializing novel treatments for gastrointestinal diseases, announced today that members of the management team will participate in a fireside chat at the Jefferies Virtual Healthcare Conference on Tuesday, June 1, 2021 at 10:00 a.m. ET. 