X4 Pharmaceuticals to host virtual investor day on mavorixafor in chronic neutropenia
XFOR•X4 Pharmaceuticals will host a virtual investor day on Oct. 29, 2026, focused on mavorixafor in chronic neutropenia, including an update on its Phase 3 4WARD trial and plans for a Phase 2 combination trial.
1. Investor day agenda
X4 Pharmaceuticals will host the event from 10:00 a.m. to 12:00 p.m. ET on Oct. 29, 2026. Management plans to discuss the status of the Phase 3 4WARD trial and outline a Phase 2 trial combining mavorixafor with G-CSF to assess G-CSF dose reduction.




