GIGAMON INC

CUSIP: 37518B102 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2016
Shares 262,626 Value ($000) $11,963 Avg Close — Range —
Q3 2016
Shares 392,691 Value ($000) $21,519 Avg Close — Range —
Q2 2016
Shares 214,759 Value ($000) $8,030 Avg Close — Range —
Q1 2016
Shares 129,326 Value ($000) $4,012 Avg Close — Range —
Q3 2015
Shares 77,478 Value ($000) $1,550 Avg Close — Range —
Q2 2015
Shares 316,028 Value ($000) $10,426 Avg Close — Range —
Q1 2015
Shares 130,700 Value ($000) $2,776 Avg Close — Range —
Q4 2014
Shares 177,600 Value ($000) $3,149 Avg Close — Range —
Q2 2014
Shares 16,000 Value ($000) $306 Avg Close — Range —
Q1 2014
Shares 205,258 Value ($000) $6,238 Avg Close — Range —
Q4 2013
Shares 221,866 Value ($000) $6,230 Avg Close — Range —
Q3 2013
Shares 262,484 Value ($000) $10,142 Avg Close — Range —
Q2 2013
Shares 187,668 Value ($000) $5,172 Avg Close — Range —