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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: 12/20/24 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
$11.72 $12.89 $6.55 $788 67 423 0.0% 1.3% 82.82% 2.02%
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
    
 
STEUERT D MICHAEL
DIR
JB
---
2,767
---
12/29/23
---
---
78,013
3.7
D
---
1/3/24 - 4:14:39 pm
2
    
 
SHIPP EARL L
DIR
JB
---
2,605
---
12/29/23
---
---
25,826
11.2
D
---
1/3/24 - 4:12:58 pm
3
    
 
SHANAHAN KATHLEEN M
DIR
JB
---
5,372
---
12/29/23
---
---
90,913
6.3
D
---
1/3/24 - 4:11:44 pm
4
    
 
STEUERT D MICHAEL
DIR
JB
---
2,666
---
9/29/23
---
---
75,246
3.7
D
---
10/2/23 - 4:44:16 pm
5
    
 
SHIPP EARL L
DIR
JB
---
2,509
---
9/29/23
---
---
23,221
12.1
D
---
10/2/23 - 4:41:35 pm
6
    
 
SHANAHAN KATHLEEN M
DIR
JB
---
5,269
---
9/29/23
---
---
85,541
6.6
D
---
10/2/23 - 4:40:26 pm
7
    
 
BAYER RYAN
VP,CAO
3
---
---
---
8/15/23
---
---
5,000
---
D
R
8/17/23 - 4:42:50 pm
8
    
 
STEUERT D MICHAEL
DIR
JB
---
2,604
---
6/30/23
---
---
72,580
3.7
D
---
7/3/23 - 4:00:38 pm
9
    
 
SHIPP EARL L
DIR
JB
---
2,451
---
6/30/23
---
---
20,712
13.4
D
---
7/3/23 - 4:00:26 pm
10
    
 
SHANAHAN KATHLEEN M
DIR
JB
---
5,178
---
6/30/23
---
---
80,272
6.9
D
---
7/3/23 - 4:00:26 pm
11
    
 
DORWARD KING ELAINE J
DIR
JB
---
3,094
---
6/30/23
---
---
35,710
9.5
D
---
7/3/23 - 4:00:22 pm
12
1y
6
100%
26%
4
LEVENSON RYAN
DIR
B
$911,328
133,788
5/17/23
5/19/23
$6.64
$6.82
333,888
66.9
I
---
5/19/23 - 6:02:51 pm
13
1y
6
100%
26%
4
LEVENSON RYAN
DIR
B
$414,528
68,000
---
5/12/23
---
$6.10
200,100
51.5
I
---
5/15/23 - 4:06:15 pm
14
1y
6
100%
26%
4
LEVENSON RYAN
DIR
B
$804,005
132,000
5/10/23
5/11/23
$6.05
$6.13
132,100
132,000.0
I
---
5/12/23 - 5:17:04 pm
15
    
 
LIGHTFOOT TODD M
CAO
JS
$3,473
9,004
5/5/23
5/8/23
---
$5.75
25,252
-26.3
D
---
5/9/23 - 5:24:15 pm
16
    
 
LIGHTFOOT TODD M
CAO
JB
---
8,400
---
5/8/23
---
---
41,510
25.4
I
---
5/9/23 - 5:24:15 pm
17
    
 
TASTARD JAMES
VP
JS
$6,664
1,159
---
5/5/23
---
$5.75
39,734
-2.8
D
---
5/9/23 - 5:16:29 pm
18
    
 
SCHIFFER VIVIENNE
VP,LO,CCO,SEC
JS
$7,452
1,296
---
5/5/23
---
$5.75
35,137
-3.6
D
---
5/9/23 - 5:11:41 pm
19
    
 
PETTERSON LASSE
CEO,PR,DIR
JS
$54,435
9,467
---
5/5/23
---
$5.75
1,126,566
-0.8
D
---
5/9/23 - 5:08:22 pm
20
    
 
KORNBLAU SCOTT LEE
VP,CFO,TR
JS
$9,723
1,691
---
5/5/23
---
$5.75
62,405
-2.6
D
---
5/9/23 - 5:06:09 pm
21
    
 
JOHANSON DAVID
VP,OO
JS
$4,514
785
---
5/5/23
---
$5.75
63,528
-1.2
D
---
5/9/23 - 5:03:21 pm
22
    
 
HANSON WILLIAM H
VP
JS
$4,980
866
---
5/5/23
---
$5.75
44,557
-1.9
D
---
5/9/23 - 5:01:11 pm
23
    
 
GUNSTEN CHRISTOPHER
VP
JS
$4,934
858
---
5/5/23
---
$5.75
43,013
-2.0
D
---
5/9/23 - 4:53:12 pm
24
    
 
BEYKO ELENI
VP
JS
$4,686
815
---
5/5/23
---
$5.75
49,371
-1.6
D
---
5/9/23 - 4:50:44 pm
25
    
 
STEUERT D MICHAEL
DIR
JB
---
3,913
---
3/31/23
---
---
69,976
5.9
D
---
4/3/23 - 4:36:28 pm
26
    
 
SHIPP EARL L
DIR
JB
---
3,683
---
3/31/23
---
---
18,261
25.3
D
---
4/3/23 - 4:34:07 pm
27
    
 
SHANAHAN KATHLEEN M
DIR
JB
---
7,901
---
3/31/23
---
---
75,094
11.8
D
---
4/3/23 - 4:32:13 pm
28
    
 
DORWARD KING ELAINE J
DIR
JB
---
4,650
---
3/31/23
---
---
32,616
16.6
D
---
4/3/23 - 4:29:56 pm
29
    
 
LIGHTFOOT TODD M
CAO
JB
---
15,239
---
3/15/23
---
---
34,256
80.1
D
R
3/17/23 - 5:05:45 pm
30
    
 
JOHANSON DAVID
VP,OO
JB
---
20,428
---
3/15/23
---
---
64,313
46.5
D
R
3/17/23 - 5:04:31 pm
31
    
 
KORNBLAU SCOTT LEE
VP,CFO,TR
JB
---
35,968
---
3/15/23
---
---
64,096
127.9
D
R
3/17/23 - 5:01:14 pm
32
    
 
PETTERSON LASSE
CEO,PR,DIR
JB
---
152,724
---
3/15/23
---
---
1,136,033
15.5
D
R
3/17/23 - 4:59:35 pm
33
    
 
TASTARD JAMES
VP
JB
---
20,539
---
3/15/23
---
---
40,893
100.9
D
R
3/17/23 - 4:58:17 pm
34
    
 
SCHIFFER VIVIENNE
VP,LO,CCO,SEC
JB
---
22,960
---
3/15/23
---
---
36,433
170.4
D
R
3/17/23 - 4:37:32 pm
35
    
 
HANSON WILLIAM H
VP
JB
---
12,681
---
3/15/23
---
---
45,423
38.7
D
R
3/17/23 - 4:36:22 pm
36
    
 
GUNSTEN CHRISTOPHER
VP
JB
---
20,428
---
3/15/23
---
---
43,871
87.1
D
R
3/17/23 - 4:35:14 pm
37
    
 
BEYKO ELENI
VP
JB
---
23,833
---
3/15/23
---
---
50,186
90.4
D
R
3/17/23 - 4:33:29 pm
38
    
 
TASTARD JAMES
VP
JS
$8,480
1,594
---
3/13/23
---
$5.32
17,951
-8.2
D
---
3/14/23 - 5:09:13 pm
39
    
 
PETTERSON LASSE
CEO,PR,DIR
JS
$79,422
14,929
---
3/13/23
---
$5.32
980,688
-1.5
D
---
3/14/23 - 5:07:48 pm
40
    
 
LIGHTFOOT TODD M
CAO
JS
$4,112
773
---
3/13/23
---
$5.32
15,783
-4.7
D
---
3/14/23 - 5:06:32 pm
41
    
 
JOHANSON DAVID
VP,OO
JS
$5,065
952
---
3/13/23
---
$5.32
43,254
-2.2
D
---
3/14/23 - 5:05:11 pm
42
    
 
HANSON WILLIAM H
VP
JS
$2,250
423
---
3/13/23
---
$5.32
32,742
-1.3
D
---
3/14/23 - 5:03:45 pm
43
    
 
GUNSTEN CHRISTOPHER
VP
JS
$3,485
655
---
3/13/23
---
$5.32
23,443
-2.7
D
---
3/14/23 - 5:02:32 pm
44
    
 
TASTARD JAMES
VP
JS
$6,450
1,116
---
3/6/23
---
$5.78
19,545
-5.4
D
---
3/8/23 - 6:12:33 pm
45
    
 
SCHIFFER VIVIENNE
VP,LO,CCO,SEC
JS
$6,659
1,152
---
3/6/23
---
$5.78
13,473
-7.9
D
---
3/8/23 - 6:07:53 pm
46
    
 
PETTERSON LASSE
CEO,PR,DIR
JS
$46,315
8,013
---
3/6/23
---
$5.78
995,617
-0.8
D
---
3/8/23 - 6:06:00 pm
47
    
 
KORNBLAU SCOTT LEE
VP,CFO,TR
JS
$12,329
2,133
---
3/6/23
---
$5.78
25,643
-7.7
D
---
3/8/23 - 6:03:07 pm
48
    
 
JOHANSON DAVID
VP,OO
JS
$2,150
372
---
3/6/23
---
$5.78
44,206
-0.8
D
---
3/8/23 - 6:01:15 pm
49
    
 
HANSON WILLIAM H
VP,BD
JS
$1,601
277
---
3/6/23
---
$5.78
33,165
-0.8
D
---
3/8/23 - 5:59:17 pm
50
    
 
GUNSTEN CHRISTOPHER
VP
JS
$1,925
333
---
3/6/23
---
$5.78
24,098
-1.4
D
---
3/8/23 - 5:57:52 pm
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