CANADIAN ENERGY SERVICES & T

CUSIP: 13566W108 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q1 2017
Shares 3,752,705 Value ($000) $20,513 Avg Close — Range —
Q4 2016
Shares 3,791,845 Value ($000) $21,659 Avg Close — Range —
Q3 2016
Shares 3,722,421 Value ($000) $14,700 Avg Close — Range —
Q2 2016
Shares 2,856,486 Value ($000) $8,952 Avg Close — Range —
Q1 2016
Shares 2,894,813 Value ($000) $7,139 Avg Close — Range —
Q4 2015
Shares 2,911,177 Value ($000) $8,131 Avg Close — Range —
Q3 2015
Shares 2,996,098 Value ($000) $13,788 Avg Close — Range —