GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

AlphaQuest LLC's Holding History (CIK: 0001883897)

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

Q4 2025

Shares 58,257 Value ($000) $764 Avg Close $12.32 Range $10.71 - $14.02

Q3 2025

Shares 84,740 Value ($000) $1,016 Avg Close $11.59 Range $10.37 - $12.56

Q2 2025

Shares 19,725 Value ($000) $240 Avg Close $10.40 Range $7.51 - $12.46

Q1 2025

Shares 12,598 Value ($000) $110 Avg Close $9.98 Range $7.58 - $12.54

Q4 2024

Shares 2,927 Value ($000) $33 Avg Close $11.96 Range $10.25 - $12.89

Q1 2024

Shares 3,478 Value ($000) $30 Avg Close $8.23 Range $7.01 - $9.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	58,257	$764	$12.32	$10.71 - $14.02
Q3 2025	84,740	$1,016	$11.59	$10.37 - $12.56
Q2 2025	19,725	$240	$10.40	$7.51 - $12.46
Q1 2025	12,598	$110	$9.98	$7.58 - $12.54
Q4 2024	2,927	$33	$11.96	$10.25 - $12.89
Q1 2024	3,478	$30	$8.23	$7.01 - $9.78