NANOSTRING TECHNOLOGIES INC

CUSIP: 63009R109 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

Note: Option positions (PUT/CALL) are excluded.

Q3 2019
Shares 61,275 Value ($000) $1,323 Avg Close — Range —
Q2 2019
Shares 230,075 Value ($000) $6,983 Avg Close — Range —
Q1 2019
Shares 231,025 Value ($000) $5,528 Avg Close — Range —