X0609 4 2026-03-17 0 0001935979 Biohaven Ltd. BHVN 0001850520 Mehta Kishan C/O BIOHAVEN LTD. 215 CHURCH STREET NEW HAVEN CT 06510 1 0 0 0 0 Common Shares 2026-03-17 4 G 0 17342 0 D 5320 D Common Shares 2026-03-17 4 G 0 17342 0 A 17342 I By Kishen Mehta 21 Family Irrevocable Trust These Common Shares are held in a trust for the benefit of the Reporting Person's family members, excluding the Reporting Person. The Reporting Person's spouse and the spouse's sibling are co-trustees of the trust. The Reporting Person disclaims beneficial ownership of these securities, and the inclusion of the securities held by the trust in this report and prior Section 16 filings by the Reporting Person is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. /s/ George Clark, Attorney-in-Fact 2026-03-19