X0306 4 2016-01-06 0 0001401708 NanoString Technologies Inc NSTG 0001575897 BURNS WAYNE 530 FAIRVIEW AVENUE N. SUITE 2000 SEATTLE WA 98109 0 1 0 0 SVP, Operations & Admin Common Stock 2016-01-06 4 M 0 7812 2.24 A 11784 D Common Stock 2016-01-06 4 M 0 16093 2.24 A 27877 D Common Stock 2016-01-06 4 M 0 33301 1.92 A 61178 D Stock Option (right to buy) 2.24 2016-01-06 4 M 0 7812 0.00 D 2019-10-14 Common Stock 7812 0 D Stock Option (right to buy) 2.24 2016-01-06 4 M 0 16093 0.00 D 2020-03-01 Common Stock 16093 0 D Stock Option (right to buy) 1.92 2016-01-06 4 M 0 33301 0.00 D 2022-02-28 Common Stock 33301 1074 D The Option fully vested on June 8, 2013. The Option fully vested on February 12, 2014. 25% of the shares subject to the Option vested on March 1, 2012 (the "Vesting Commencement Date") and thereafter 1/48th of the shares subject to the Option vest on each monthly anniversary of the Vesting Commencement. /s/ Shannon Atchison, Attorney-in-fact 2016-01-08