X0609 4 2026-09-15 0 0001935979 Biohaven Ltd. BHVN 0001704186 Gentile Kimberly false C/O BIOHAVEN LTD. 215 CHURCH STREET NEW HAVEN CT 06510 0 1 0 0 SVP, Clinical Operations 0 Stock Options (Right to buy) 12.34 2026-09-15 4 A 0 1000 0 A 2036-09-15 Common Shares 1000 1000 I By Son The shares underlying this option vest in four equal installments on September 15, 2026, 2027, 2028 and 2029, subject to the Reporting Person's son's continuous service with the Issuer at each vesting date. Represents a stock option granted to the Reporting Person's son in connection with the commencement of his employment with the Issuer. The Reporting Person disclaims beneficial ownership of all securities held by her son, and this report should not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. /s/ George Clark, Attorney-in-Fact 2026-09-17