BOINGO WIRELESS INC

CUSIP: 09739C102 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q1 2018
Shares 324,328 Value ($000) $8,034 Avg Close — Range —
Q4 2017
Shares 458,666 Value ($000) $10,320 Avg Close — Range —
Q3 2017
Shares 690,700 Value ($000) $14,760 Avg Close — Range —
Q2 2017
Shares 601,290 Value ($000) $8,995 Avg Close — Range —