XFOR ▲ +2.5% - X4 Pharmaceuticals, Inc. $XFOR - X4 Pharmaceuticals Announces Positive Outcome from FDA Type C Meeting X4 Pharmaceuticals rose 2.5% following the company's announcement of a positive outcome from an FDA Type C meeting, which typically addresses important issues in drug development and regulatory pathways. A favorable meeting outcome suggests progress toward potential approval or advancement of the company's pipeline candidates, supporting investor optimism. 08-SEP-2026 07:01 AM ET