X0306 4 2017-01-01 0 0001401708 NanoString Technologies Inc NSTG 0001326794 Malloy Kirk 530 FAIRVIEW AVENUE N SEATTLE WA 98109 1 0 0 0 Stock Option (right to buy) 22.30 2017-01-01 4 A 0 8611 0.00 A 2026-12-31 Common Stock 8611 8611 D 100% of the shares subject to the Option vest on the one year anniversary of January 1, 2017. The vesting of shares subject to the Option will accelerate in full upon a "change in control" as defined in the 2013 Equity Incentive Plan. /s/ Shannon Atchison, Attorney-in-fact 2017-01-04