GOGO INC

Ticker: GOGO CUSIP: 38046C109 Class: Common Stock

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q4 2017

Shares 61,828 Value ($000) $697 Avg Close $10.64 Range $8.57 - $12.26

Q3 2017

Shares 36,495 Value ($000) $431 Avg Close $12.76 Range $11.03 - $14.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	61,828	$697	$10.64	$8.57 - $12.26
Q3 2017	36,495	$431	$12.76	$11.03 - $14.76