GULFPORT ENERGY CORP

Ticker: GPOR CUSIP: 402635502 Class: COMMON SHARES

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

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

Q4 2025

Shares 6,695 Value ($000) $1,392 Avg Close $199.34 Range $173.98 - $225.78

Q3 2025

Shares 6,775 Value ($000) $1,226 Avg Close $174.05 Range $160.95 - $201.04

Q2 2025

Shares 7,145 Value ($000) $1,437 Avg Close $186.46 Range $153.27 - $210.32

Q1 2025

Shares 7,149 Value ($000) $1,316 Avg Close $181.66 Range $157.46 - $201.18

Q4 2024

Shares 4,669 Value ($000) $860 Avg Close $160.52 Range $136.45 - $185.98

Q3 2024

Shares 7,467 Value ($000) $1,130 Avg Close $146.70 Range $130.02 - $163.22

Q2 2024

Shares 13,544 Value ($000) $2,045 Avg Close $156.82 Range $147.05 - $165.19

Q1 2024

Shares 19,565 Value ($000) $3,133 Avg Close $137.10 Range $119.75 - $161.74

Q4 2023

Shares 19,068 Value ($000) $2,540 Avg Close $128.72 Range $111.52 - $140.83

Q3 2023

Shares 14,762 Value ($000) $1,752 Avg Close $110.77 Range $98.69 - $125.28

Q2 2023

Shares 8,147 Value ($000) $856 Avg Close $92.70 Range $75.69 - $109.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,695	$1,392	$199.34	$173.98 - $225.78
Q3 2025	6,775	$1,226	$174.05	$160.95 - $201.04
Q2 2025	7,145	$1,437	$186.46	$153.27 - $210.32
Q1 2025	7,149	$1,316	$181.66	$157.46 - $201.18
Q4 2024	4,669	$860	$160.52	$136.45 - $185.98
Q3 2024	7,467	$1,130	$146.70	$130.02 - $163.22
Q2 2024	13,544	$2,045	$156.82	$147.05 - $165.19
Q1 2024	19,565	$3,133	$137.10	$119.75 - $161.74
Q4 2023	19,068	$2,540	$128.72	$111.52 - $140.83
Q3 2023	14,762	$1,752	$110.77	$98.69 - $125.28
Q2 2023	8,147	$856	$92.70	$75.69 - $109.94