HELIX ENERGY SOLUTIONS GRP I

Ticker: HLX CUSIP: 42330P107 Class: Common Stock

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

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

Q4 2025

Shares 671 Value ($000) $4 Avg Close $6.64 Range $6.11 - $7.97

Q3 2025

Shares 252 Value ($000) $2 Avg Close $6.29 Range $5.52 - $7.06

Q4 2024

Shares 413 Value ($000) $4 Avg Close $10.06 Range $8.81 - $12.33

Q2 2024

Shares 951 Value ($000) $11 Avg Close $11.15 Range $10.04 - $12.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	671	$4	$6.64	$6.11 - $7.97
Q3 2025	252	$2	$6.29	$5.52 - $7.06
Q4 2024	413	$4	$10.06	$8.81 - $12.33
Q2 2024	951	$11	$11.15	$10.04 - $12.14