GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

NEXT CENTURY GROWTH INVESTORS LLC's Holding History (CIK: 0001134007)

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

Q4 2025

Shares 30,520 Value ($000) $400 Avg Close $12.32 Range $10.71 - $14.02

Q3 2025

Shares 446,821 Value ($000) $5,357 Avg Close $11.59 Range $10.37 - $12.56

Q2 2025

Shares 648,290 Value ($000) $7,903 Avg Close $10.40 Range $7.51 - $12.46

Q1 2025

Shares 665,282 Value ($000) $5,788 Avg Close $9.98 Range $7.58 - $12.54

Q4 2024

Shares 667,465 Value ($000) $7,536 Avg Close $11.96 Range $10.25 - $12.89

Q3 2024

Shares 667,953 Value ($000) $7,034 Avg Close $9.29 Range $7.76 - $10.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,520	$400	$12.32	$10.71 - $14.02
Q3 2025	446,821	$5,357	$11.59	$10.37 - $12.56
Q2 2025	648,290	$7,903	$10.40	$7.51 - $12.46
Q1 2025	665,282	$5,788	$9.98	$7.58 - $12.54
Q4 2024	667,465	$7,536	$11.96	$10.25 - $12.89
Q3 2024	667,953	$7,034	$9.29	$7.76 - $10.93