ALDER BIOPHARMACEUTICALS INC

CUSIP: 014339105 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q1 2017
Shares 397,350 Value ($000) $8,265 Avg Close — Range —
Q4 2016
Shares 398,315 Value ($000) $8,285 Avg Close — Range —
Q3 2016
Shares 403,075 Value ($000) $13,209 Avg Close — Range —