GULFPORT ENERGY CORP

CUSIP: 402635304 Class: COM NEW

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

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

Q4 2017
Shares 208,342 Value ($000) $2,658 Avg Close — Range —
Q3 2017
Shares 224,808 Value ($000) $3,224 Avg Close — Range —
Q2 2017
Shares 210,610 Value ($000) $3,106 Avg Close — Range —
Q1 2017
Shares 182,750 Value ($000) $3,141 Avg Close — Range —
Q4 2016
Shares 187,756 Value ($000) $4,063 Avg Close — Range —
Q3 2016
Shares 193,771 Value ($000) $5,474 Avg Close — Range —
Q2 2016
Shares 139,302 Value ($000) $4,355 Avg Close — Range —
Q1 2016
Shares 130,269 Value ($000) $3,692 Avg Close — Range —
Q4 2015
Shares 126,262 Value ($000) $3,102 Avg Close — Range —
Q3 2015
Shares 131,800 Value ($000) $3,912 Avg Close — Range —