NEKTAR THERAPEUTICS

CUSIP: 640268108 Class: Stock

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

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

Q1 2018
Shares 102,575 Value ($000) $10,900 Avg Close — Range —
Q3 2017
Shares 224,764 Value ($000) $5,394 Avg Close — Range —
Q2 2017
Shares 220,819 Value ($000) $4,317 Avg Close — Range —
Q1 2017
Shares 306,760 Value ($000) $7,200 Avg Close — Range —