GIGAMON INC

CUSIP: 37518B102 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q2 2017
Shares 23,593 Value ($000) $920 Avg Close — Range —
Q4 2016
Shares 279,673 Value ($000) $12,739 Avg Close — Range —
Q1 2016
Shares 14,013 Value ($000) $435 Avg Close — Range —
Q4 2015
Shares 53,278 Value ($000) $1,416 Avg Close — Range —
Q3 2015
Shares 105,975 Value ($000) $2,121 Avg Close — Range —
Q3 2014
Shares 62,789 Value ($000) $657 Avg Close — Range —
Q2 2014
Shares 180,923 Value ($000) $3,463 Avg Close — Range —
Q1 2014
Shares 11,300 Value ($000) $343 Avg Close — Range —