X0306 4 2019-12-31 false 0001689813 Biohaven Pharmaceutical Holding Co Ltd. BHVN 0001704317 Coric Vlad C/O BIOHAVEN PHARMACEUTICALS, INC. 215 CHURCH STREET NEW HAVEN CT 06510 true true false false Chief Executive Officer Common Shares 2019-12-31 4 G false 100000.00 0.00 D 340000.00 I By The Vladimir Coric Marital Trust Common Shares 2019-12-31 4 G false 100000.00 0.00 A 100000.00 I By spouse Common Shares 2019-12-31 4 G false 100000.00 0.00 D 0.00 I By spouse Common Shares 2019-12-31 4 G false 100000.00 0.00 A 105985.00 D Common Shares 5985.00 D Common Shares 100000.00 I By The Vladimir Coric GRAT - 2019 Common Shares 19130.00 I By 401(K) Plan Common Shares 475000.00 I By: The Vladimir Coric Family Trust These transactions consisted of (i) a gift by The Vladimir Coric Marital Trust of 100,000 common shares to the reporting person's spouse, (ii) a gift by the reporting person's spouse of such 100,000 shares to the reporting person and (iii) a change in form of beneficial ownership without a change of pecuniary interest (exempt from reporting under Rule 16a-13) of such 100,000 shares from direct ownership by the reporting person to beneficial ownership by the reporting person through The Vladimir Coric GRAT - 2019. These 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 is trustee 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/ Jim Engelhart, Attorney-in-Fact 2019-12-31