GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

Atom Investors LP's Holding History (CIK: 0001738902)

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

Q1 2025

Shares 14,519 Value ($000) $126 Avg Close $9.98 Range $7.58 - $12.54

Q4 2024

Shares 32,008 Value ($000) $361 Avg Close $11.96 Range $10.25 - $12.89

Q2 2020

Shares 56,055 Value ($000) $519 Avg Close $8.75 Range $7.42 - $10.80

Q1 2020

Shares 11,658 Value ($000) $97 Avg Close $9.96 Range $6.75 - $11.96

Q2 2019

Shares 469,549 Value ($000) $5,184 Avg Close $10.32 Range $8.86 - $11.45

Q1 2019

Shares 440,137 Value ($000) $3,922 Avg Close $7.78 Range $6.43 - $9.21

Q4 2018

Shares 531,173 Value ($000) $3,516 Avg Close $6.52 Range $5.37 - $7.94

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	14,519	$126	$9.98	$7.58 - $12.54
Q4 2024	32,008	$361	$11.96	$10.25 - $12.89
Q2 2020	56,055	$519	$8.75	$7.42 - $10.80
Q1 2020	11,658	$97	$9.96	$6.75 - $11.96
Q2 2019	469,549	$5,184	$10.32	$8.86 - $11.45
Q1 2019	440,137	$3,922	$7.78	$6.43 - $9.21
Q4 2018	531,173	$3,516	$6.52	$5.37 - $7.94