ECO STIM ENERGY SOLUTIONS IN

CUSIP: 27888D101 Class: COM

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

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

Q2 2018
Shares 412,167 Value ($000) $268 Avg Close — Range —
Q1 2018
Shares 630,847 Value ($000) $599 Avg Close — Range —
Q4 2017
Shares 708,486 Value ($000) $893 Avg Close — Range —
Q3 2017
Shares 748,189 Value ($000) $1,152 Avg Close — Range —
Q2 2017
Shares 787,940 Value ($000) $985 Avg Close — Range —
Q1 2017
Shares 847,670 Value ($000) $992 Avg Close — Range —
Q4 2016
Shares 947,312 Value ($000) $909 Avg Close — Range —
Q3 2016
Shares 996,020 Value ($000) $2,131 Avg Close — Range —
Q2 2016
Shares 1,017,404 Value ($000) $2,950 Avg Close — Range —
Q1 2016
Shares 1,070,644 Value ($000) $2,730 Avg Close — Range —
Q4 2015
Shares 1,142,064 Value ($000) $3,575 Avg Close — Range —
Q3 2015
Shares 1,252,777 Value ($000) $4,297 Avg Close — Range —
Q2 2015
Shares 851,696 Value ($000) $4,684 Avg Close — Range —
Q1 2015
Shares 855,864 Value ($000) $4,819 Avg Close — Range —