GIGAMON INC

CUSIP: 37518B102 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2016
Shares 1,142,097 Value ($000) $52,022 Avg Close — Range —
Q3 2016
Shares 793,595 Value ($000) $43,489 Avg Close — Range —
Q2 2016
Shares 685,911 Value ($000) $25,647 Avg Close — Range —
Q1 2016
Shares 89,995 Value ($000) $2,792 Avg Close — Range —
Q4 2015
Shares 152,311 Value ($000) $4,047 Avg Close — Range —
Q3 2015
Shares 75,095 Value ($000) $1,503 Avg Close — Range —
Q1 2014
Shares 246,235 Value ($000) $7,483 Avg Close — Range —
Q4 2013
Shares 327,512 Value ($000) $9,196 Avg Close — Range —