Type	Name	Date
Other	Offer Letter, between the Company and Michael Mason	02/25/2019
Other	Offer Letter, between the Company and Michael Falvey	09/12/2017
Other	Offer Letter, between Karyopharm Therapeutics Inc. and Ran Frenkel	06/10/2015
Other	Offer Letter, between the Company and Justin Renz	08/08/2014