GULFPORT ENERGY CORP

Ticker: GPOR CUSIP: 402635502 Class: COMMON SHARES

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025

Shares 66 Value ($000) $14 Avg Close $199.34 Range $173.98 - $225.78

Q3 2025

Shares 96 Value ($000) $17 Avg Close $174.05 Range $160.95 - $201.04

Q2 2025

Shares 99 Value ($000) $20 Avg Close $186.46 Range $153.27 - $210.32

Q1 2025

Shares 83 Value ($000) $15 Avg Close $181.66 Range $157.46 - $201.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	66	$14	$199.34	$173.98 - $225.78
Q3 2025	96	$17	$174.05	$160.95 - $201.04
Q2 2025	99	$20	$186.46	$153.27 - $210.32
Q1 2025	83	$15	$181.66	$157.46 - $201.18