NEKTAR THERAPEUTICS

CUSIP: 640268108 Class: Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q4 2015
Shares 13,700 Value ($000) $230 Avg Close — Range —
Q3 2015
Shares 65,400 Value ($000) $716 Avg Close — Range —
Q4 2014
Shares 35,600 Value ($000) $551 Avg Close — Range —