GIGAMON INC

CUSIP: 37518B102 Class: COM

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

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

Q1 2016
Shares 192,441 Value ($000) $5,970 Avg Close — Range —
Q4 2015
Shares 218,249 Value ($000) $5,799 Avg Close — Range —