GIGAMON INC

CUSIP: 37518B102 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2017
Shares 48,068 Value ($000) $2,026 Avg Close — Range —
Q2 2017
Shares 55,475 Value ($000) $2,183 Avg Close — Range —
Q1 2017
Shares 43,067 Value ($000) $1,531 Avg Close — Range —
Q4 2016
Shares 74,981 Value ($000) $3,415 Avg Close — Range —
Q3 2016
Shares 75,997 Value ($000) $4,165 Avg Close — Range —
Q2 2016
Shares 76,724 Value ($000) $2,869 Avg Close — Range —
Q1 2016
Shares 59,826 Value ($000) $1,856 Avg Close — Range —
Q4 2015
Shares 58,115 Value ($000) $1,544 Avg Close — Range —
Q3 2015
Shares 59,540 Value ($000) $1,191 Avg Close — Range —
Q2 2015
Shares 53,403 Value ($000) $1,762 Avg Close — Range —
Q1 2015
Shares 54,678 Value ($000) $1,161 Avg Close — Range —