NANTKWEST INC

CUSIP: 63016Q102 Class: COM

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q1 2016
Shares 183,368 Value ($000) $1,507 Avg Close — Range —
Q4 2015
Shares 181,046 Value ($000) $3,138 Avg Close — Range —
Q3 2015
Shares 182,332 Value ($000) $2,090 Avg Close — Range —