Key facts: GSK's asthma drug Exdensur approved; share buyback completed
GSK's asthma drug Exdensur (depemokimab) has gained approvals from the UK MHRA and U.S. FDA as an add-on treatment for severe asthma, with a twice-yearly dosing schedule.123On December 16, 2025, GSK plc bought back 13.6 million shares, raising its treasury shares to 239.1 million. Total shares issued, excluding treasury, is 4.1 billion.4