GIGAMON INC

CUSIP: 37518B102 Class: COM

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

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

Q3 2016
Shares 28,771 Value ($000) $1,577 Avg Close — Range —
Q2 2016
Shares 29,968 Value ($000) $1,121 Avg Close — Range —
Q1 2016
Shares 31,831 Value ($000) $987 Avg Close — Range —
Q4 2015
Shares 33,072 Value ($000) $879 Avg Close — Range —
Q3 2015
Shares 33,366 Value ($000) $668 Avg Close — Range —
Q2 2015
Shares 33,902 Value ($000) $1,118,427 Avg Close — Range —
Q1 2015
Shares 34,509 Value ($000) $732,971 Avg Close — Range —