DYNAVAX TECHNOLOGIES CORP

CUSIP: 268158201 Class: Common Stock

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

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

Q3 2015
Shares 888,247 Value ($000) $21,798 Avg Close — Range —
Q2 2015
Shares 1,443,447 Value ($000) $33,813 Avg Close — Range —
Q1 2015
Shares 1,692,450 Value ($000) $37,962 Avg Close — Range —
Q4 2014
Shares 1,696,760 Value ($000) $28,607 Avg Close — Range —