X0306 4 2022-01-06 false 0001689813 Biohaven Pharmaceutical Holding Co Ltd. BHVN 0001704256 Conway Charles C/O BIOHAVEN PHARMACEUTICALS, INC. 215 CHURCH STREET NEW HAVEN CT 06510 false true false false Chief Scientific Officer Common Shares 2022-01-06 4 M false 3750.00 0.00 A 23935.00 D Common Shares 2022-01-06 4 F false 1800.00 123.86 D 22135.00 D Restricted Share Unit Award 2022-01-06 4 M false 3750.00 0.00 D Common Shares 3750.00 7500.00 D Employee Stock Option (right to buy) 128.87 2022-01-07 4 A false 23000.00 0.00 A 2032-01-07 Common Shares 23000.00 23000.00 D Restricted Share Unit Award 2022-01-07 4 A false 11500.00 0.00 A Common Shares 11500.00 11500.00 D This balance includes 288 shares that were acquired through the Biohaven Employee Share Purchase Plan on May 31, 2021. No shares were sold - these shares were withheld by the Issuer to satisfy tax withholding requirements in connection with the vesting of restricted share units. Each restricted share unit represents the contingent right to receive one common share of the Issuer. The reporting person was granted 15,000 restricted share units on January 6, 2021, vesting in four equal installments on January 6, 2021, 2022, 2023 and 2024, subject to the reporting person's continued service with the Issuer at each vesting date. Not applicable. The shares underlying this option vest in four equal installments on January 7, 2022, 2023, 2024 and 2025, subject to the reporting person's continuous service with the Issuer at each vesting date. The reporting person was granted 11,500 restricted share units on January 7, 2022, vesting in four equal installments on January 7, 2022, 2023, 2024 and 2025, subject to the reporting person's continued service with the Issuer at each vesting date. 100% of these restricted share units are generally subject to settlement in 10 equal annual installments after separation from service. Exhibit List: Exhibit 24: Power of attorney /s/ George Clark, Attorney-in-Fact 2022-01-07