GULFPORT ENERGY CORP

CUSIP: 402635304 Class: COM NEW

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q3 2019
Shares 138,885 Value ($000) $377 Avg Close — Range —
Q2 2019
Shares 78,185 Value ($000) $384 Avg Close — Range —
Q4 2018
Shares 127,358 Value ($000) $835 Avg Close — Range —
Q3 2018
Shares 160,402 Value ($000) $1,670 Avg Close — Range —
Q2 2018
Shares 126,346 Value ($000) $1,589 Avg Close — Range —