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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
GREAT LAKES DREDGE AND DOCK CORP: GLDD
Price: 4/3/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$17.00 $17.02 $7.51 $1,135 67 1,685 0.0% 5.1% 86.72% 3.11%
Exch Sector Industry Sub-Industry
NasdaqGS Construction Heavy Construction Other Than Building Construction Contractors Heavy Construction Other Than Bldg Const- Contractors
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
DICKERSON LAWRENCE R
DIR
JB
---
4,069
---
12/31/24
---
---
86,217
5.0
D
---
1/3/25 - 4:24:39 pm
2
1y
6
50%
-10%
3
DICKERSON LAWRENCE R
DIR
S
$191,799
15,936
---
11/14/24
---
$12.04
82,148
-16.2
D
---
11/15/24 - 4:01:34 pm
3
1y
6
50%
-10%
3
DICKERSON LAWRENCE R
DIR
S
$67,118
5,323
---
11/12/24
---
$12.61
98,084
-5.1
D
---
11/13/24 - 4:19:11 pm
4
1y
1
0%
3%
3
SHANAHAN KATHLEEN M
DIR
S
$293,542
23,238
---
11/11/24
---
$12.63
67,675
-25.6
D
---
11/12/24 - 4:57:17 pm
5
1y
1
0%
3%
2
STEGER RONALD
DIR
S
$153,120
12,000
---
11/11/24
---
$12.76
25,404
-32.1
D
---
11/12/24 - 4:50:50 pm
6
    
 
STEUERT D MICHAEL
DIR
JB
---
1,899
---
9/30/24
---
---
84,678
2.3
D
---
10/2/24 - 4:50:49 pm
7
    
 
SHIPP EARL L
DIR
JB
---
1,899
---
9/30/24
---
---
32,289
6.2
D
---
10/2/24 - 4:41:54 pm
8
    
 
DICKERSON LAWRENCE R
DIR
JB
---
4,363
---
9/30/24
---
---
103,407
4.4
D
---
10/2/24 - 4:32:22 pm
9
1y
3
0%
33%
2
PETTERSON LASSE
CEO,PR,DIR
AS
$579,503
63,918
8/19/24
8/20/24
$9.06
$9.10
977,611
-6.1
D
10b
8/21/24 - 4:31:52 pm
10
1y
3
0%
33%
2
PETTERSON LASSE
CEO,PR,DIR
AS
$1,008,185
110,863
8/15/24
8/16/24
$9.08
$9.11
1,041,529
-9.6
D
10b
8/19/24 - 4:28:20 pm
11
    
 
PETTERSON LASSE
CEO,PR,DIR
JS
$890,000
100,000
---
7/15/24
---
$8.90
1,152,392
-8.0
D
---
7/17/24 - 4:06:30 pm
12
    
 
STEUERT D MICHAEL
DIR
JB
---
2,337
---
6/28/24
---
---
82,779
2.9
D
---
7/1/24 - 5:10:45 pm
13
    
 
SHIPP EARL L
DIR
JB
---
2,278
---
6/28/24
---
---
30,390
8.1
D
---
7/1/24 - 5:08:49 pm
14
    
 
DICKERSON LAWRENCE R
DIR
JB
---
5,232
---
6/28/24
---
---
99,044
5.6
D
---
7/1/24 - 5:01:23 pm
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