XTREME DRILLING & COIL SVCS CORP

CUSIP: 98419V100 Class: CL A

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

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

Q3 2017
Shares 553,888 Value ($000) $970 Avg Close — Range —
Q2 2017
Shares 594,872 Value ($000) $944 Avg Close — Range —
Q1 2017
Shares 1,471,901 Value ($000) $2,362 Avg Close — Range —
Q4 2016
Shares 1,690,284 Value ($000) $3,529 Avg Close — Range —
Q3 2016
Shares 1,729,278 Value ($000) $3,118 Avg Close — Range —
Q2 2016
Shares 791,488 Value ($000) $1,591 Avg Close — Range —