X0306 5 2020-12-31 false 0 1 0001689813 Biohaven Pharmaceutical Holding Co Ltd. BHVN 0001226675 GREGORY JULIA P C/O BIOHAVEN PHARMACEUTICALS, INC. 215 CHURCH STREET NEW HAVEN CT 06510 true false false false Common Shares 2020-07-01 4 M false L 18000.00 28.76 A 18000.00 D Common Shares 2020-07-01 4 S false L 14400.00 71.2001 D 3600.00 D Common Shares 2020-07-01 4 S false L 3600.00 72.559 D 0.00 D Stock Option (Right to Buy) 28.76 2020-07-01 4 M false L 18000.00 0.00 D 2019-05-01 2028-04-30 Common Shares 18000.00 0.00 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.73 - $71.57, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.1996 - $72.9850, inclusive. /s/ Jim Engelhart, Attorney-in-Fact 2021-02-12