X0306 4 2020-12-07 0 0001401708 NanoString Technologies Inc NSTG 0001134570 WAITE CHARLES P JR 530 FAIRVIEW AVENUE N SEATTLE WA 98109 1 0 0 0 Common Stock 2020-12-07 4 M 0 5847 17.24 A 7737 D Common Stock 2020-12-07 4 M 0 7307 13.93 A 15044 D Common Stock 2020-12-07 4 M 0 7828 14.71 A 22872 D Common Stock 2020-12-07 4 M 0 8611 22.30 A 31483 D Common Stock 2020-12-07 4 M 0 4410 23.34 A 35893 D Common Stock 2020-12-07 4 M 0 3857 26.45 A 39750 D Common Stock 2020-12-07 4 S 0 21760 60.24 D 17990 D Common Stock 2020-12-07 4 S 0 16100 60.78 D 1890 D Stock Option (right to buy) 17.24 2020-12-07 4 M 0 5847 17.24 D 2023-12-31 Common Stock 5847.0 0 D Stock Option (right to buy) 13.93 2020-12-07 4 M 0 7307 13.93 D 2024-12-31 Common Stock 7307.0 0 D Stock Option (right to buy) 14.71 2020-12-07 4 M 0 7828 14.71 D 2025-12-31 Common Stock 7828.0 0 D Stock Option (right to buy) 22.3 2020-12-07 4 M 0 8611 22.30 D 2026-12-31 Common Stock 8611.0 0 D Common Stock 23.34 2020-12-07 4 M 0 4410 23.34 D 2029-03-25 Common Stock 4410.0 0 D Stock Options (right to buy) 26.45 2020-12-07 4 M 0 3857 26.45 D 2029-06-18 Common Stock 3857.0 0 D The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $59.67 to $60.67, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $60.675 to $60.845, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein. 100% of the shares subject to the Option vested on the one year anniversary of January 1, 2014. 100% of the shares subject to the Option vested on the one year anniversary of January 1, 2015. 100% of the shares subject to the Option vested on the one year anniversary of January 1, 2016. 100% of the shares subject to the Option vested on the one year anniversary of January 1, 2017. 100% of the shares subject to the Option vested on the the date prior to the day of the Company's 2019 annual meeting of stockholders. 100% of the shares subject to the Option vested on the earlier of the one year anniversary of June 18, 2019 or on the date immediately prior to the 2020 annual meeting of stockholders. /s/ Shannon Atchison, Attorney-in-fact 2020-12-09