GIGAMON INC

CUSIP: 37518B102 Class: COM

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

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

Q3 2017
Shares 916,233 Value ($000) $38,619 Avg Close — Range —
Q2 2017
Shares 933,011 Value ($000) $36,714 Avg Close — Range —
Q1 2017
Shares 950,113 Value ($000) $33,777 Avg Close — Range —
Q4 2016
Shares 1,278,667 Value ($000) $58,243 Avg Close — Range —
Q3 2016
Shares 1,310,096 Value ($000) $71,793 Avg Close — Range —
Q2 2016
Shares 1,255,168 Value ($000) $46,931 Avg Close — Range —
Q1 2016
Shares 1,145,344 Value ($000) $35,529 Avg Close — Range —
Q4 2015
Shares 439,670 Value ($000) $11,682 Avg Close — Range —
Q3 2015
Shares 328,248 Value ($000) $6,568 Avg Close — Range —
Q2 2015
Shares 324,308 Value ($000) $10,699 Avg Close — Range —
Q1 2015
Shares 325,556 Value ($000) $6,915 Avg Close — Range —
Q4 2014
Shares 349,216 Value ($000) $6,192 Avg Close — Range —
Q3 2014
Shares 381,857 Value ($000) $3,998 Avg Close — Range —
Q2 2014
Shares 390,796 Value ($000) $7,480 Avg Close — Range —
Q1 2014
Shares 1,814,419 Value ($000) $55,140 Avg Close — Range —
Q4 2013
Shares 1,565,226 Value ($000) $43,952 Avg Close — Range —
Q3 2013
Shares 2,062,610 Value ($000) $79,699 Avg Close — Range —
Q2 2013
Shares 2,093,270 Value ($000) $57,690,521 Avg Close — Range —