List of insiders holdings for Great Lakes Dredge & Dock CORP:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time |
Shares Owned Directly Indirectly |
Total Shares Owned |
Filing |
| 1 | Leight Nathan Director |
2015-10-01 17:55:23 | 275,497 1,992,385 |
2,267,882 | Form 4 |
| 2 | Hound Partners LLC Hound Performance LLC AUERBACH JONATHAN A G 10% Owner |
2010-02-16 14:53:54 | 2,140,186 0 |
2,140,186 | Form 13G |
| 3 | Petterson Lasse CEO & President |
2025-03-18 17:05:50 | 1,038,773 0 |
1,038,773 | Form 4 |
| 4 | Weiss Jason Director |
2018-04-02 20:14:22 | 125,363 666,662 |
792,025 | Form 4 |
| 5 | Berger Jonathan W CEO |
2016-03-17 17:51:24 | 515,567 200 |
515,767 | Form 4 |
| 6 | Lowry Richard M Exec VP & COO |
2009-05-15 11:25:29 | 500,724 0 |
500,724 | Form 4 |
| 7 | Levenson Ryan Director |
2024-04-01 18:38:37 | 119,072 333,888 |
452,960 | Form 4 |
| 8 | Simonelli David E Chief Operating Officer |
2022-06-10 17:00:53 | 248,107 0 |
248,107 | Form 4/A |
| 9 | Biemeck Bruce J President & CFO |
2012-06-08 17:26:32 | 242,142 0 |
242,142 | Form 4 |
| 10 | Marinko Mark W. Chief Financial Officer |
2021-03-16 18:35:36 | 223,774 0 |
223,774 | Form 4 |
| 11 | Johnson Kyle D Executive VP & COO |
2017-03-10 18:21:33 | 175,568 0 |
175,568 | Form 4 |
| 12 | Shea Christopher P President - E&I Division |
2018-03-12 19:35:22 | 160,915 0 |
160,915 | Form 4 |
| 13 | ALBERT CARL A Director |
2019-04-02 19:04:43 | 141,798 10,000 |
151,798 | Form 4 |
| 14 | Kornblau Scott Lee SVP & CFO |
2025-03-18 17:02:26 | 149,623 0 |
149,623 | Form 4 |
| 15 | DICKERSON LAWRENCE R Director |
2025-04-01 20:45:32 | 148,173 0 |
148,173 | Form 4 |
| 16 | Deutsch Peter Director |
2017-04-04 18:31:41 | 137,578 0 |
137,578 | Form 4 |
| 17 | Uhler Robert B Director |
2018-04-02 20:01:50 | 131,007 0 |
131,007 | Form 4 |
| 18 | LaVoy Kathleen Mackie SVP & Chief Legal Officer |
2020-12-15 17:00:14 | 119,687 0 |
119,687 | Form 4 |
| 19 | Bittel Stephen Director |
2015-01-05 17:21:12 | 64,089 51,393 |
115,482 | Form 4 |
| 20 | Wensel Deborah A Senior VP & CFO |
2010-06-08 17:57:45 | 108,198 0 |
108,198 | Form 4 |
| 21 | Mackie Douglas B Director |
2014-04-02 20:11:11 | 99,648 0 |
99,648 | Form 4 |
| 22 | JOHANSON DAVID SVP-Project Acquisition & Ops |
2025-03-18 16:55:40 | 92,454 0 |
92,454 | Form 4 |
| 23 | STEUERT D MICHAEL Director |
2025-04-01 20:37:19 | 91,507 0 |
91,507 | Form 4 |
| 24 | Walsh Michael Joseph Director |
2020-04-02 20:03:38 | 91,355 0 |
91,355 | Form 4 |
| 25 | BEYKO ELENI SVP - Offshore Energy |
2025-03-18 16:36:21 | 82,263 0 |
82,263 | Form 4 |
| 26 | Shanahan Kathleen M Director |
2025-04-01 20:51:03 | 81,423 0 |
81,423 | Form 4 |
| 27 | GUNSTEN CHRISTOPHER SVP-Proj Svcs & Fleet Engineer |
2025-03-18 16:41:20 | 73,695 0 |
73,695 | Form 4 |
| 28 | Karas John F Senior Vice President |
2012-06-08 17:25:32 | 73,097 0 |
73,097 | Form 4 |
| 29 | Waryjas Maryann SVP & Chief Legal Officer |
2015-06-15 17:34:47 | 72,624 0 |
72,624 | Form 4 |
| 30 | CYR ANNETTE W Chief HR & Admin Officer |
2020-03-27 16:26:41 | 71,881 0 |
71,881 | Form 3 |
| 31 | Lightfoot Todd M Chief Accounting Officer |
2023-05-09 17:24:15 | 25,252 41,510 |
66,763 | Form 4 |
| 32 | Schiffer Vivienne SVP, CLO, CCO & Corp Secretary |
2025-03-18 17:08:50 | 65,899 0 |
65,899 | Form 4 |
| 33 | Steger Ronald Director |
2025-04-01 20:48:28 | 64,470 0 |
64,470 | Form 4 |
| 34 | HANSON WILLIAM H SVP, Market Development |
2025-03-18 16:47:45 | 61,340 0 |
61,340 | Form 4 |
| 35 | Gillespie Christopher J VP - Int'l & Special Projects |
2009-05-15 11:24:33 | 49,863 0 |
49,863 | Form 4 |
| 36 | Hansen Bradley T.J. VP - Division Manager |
2009-08-21 14:49:23 | 47,763 0 |
47,763 | Form 4 |
| 37 | Becker Steven W VP - Plant Equipment Mgr & CME |
2009-05-15 11:27:00 | 45,540 0 |
45,540 | Form 4 |
| 38 | Pagendarm William F VP - Division Manager |
2009-08-21 14:50:31 | 44,848 0 |
44,848 | Form 4 |
| 39 | Pegg Stephen Elra Senior Vice President |
2013-03-11 18:44:16 | 43,348 0 |
43,348 | Form 4 |
| 40 | Steckel William SVP & Chief Financial Officer |
2013-05-09 20:24:35 | 40,687 0 |
40,687 | Form 4 |
| 41 | Tastard James SVP & CHRAO |
2023-05-09 17:16:29 | 39,734 0 |
39,734 | Form 4 |
| 42 | Shipp Earl L Director |
2025-04-01 20:39:59 | 39,117 0 |
39,117 | Form 4 |
| 43 | Dorward-King Elaine J Director |
2023-07-03 16:00:22 | 35,710 0 |
35,710 | Form 4 |
| 44 | William Hanson H. VP - US Business Development |
2009-08-21 14:50:07 | 26,271 0 |
26,271 | Form 4 |
| 45 | O'Hara Steven F. VP - Division Manager |
2009-05-15 11:27:46 | 25,127 0 |
25,127 | Form 4 |
| 46 | Hayes Katherine M Interim CFO |
2014-05-13 17:44:04 | 25,040 0 |
25,040 | Form 4 |
| 47 | Dickins Denise Director |
2015-10-01 17:49:51 | 23,783 0 |
23,783 | Form 4 |
| 48 | BAYER RYAN VP & CAO |
2025-03-18 16:31:25 | 16,379 0 |
16,379 | Form 4 |
| 49 | SOULELES THOMAS S Director |
2011-01-04 17:23:14 | 4,809 10,680 |
15,489 | Form 4 |
| 50 | Armstrong Dana A Director |
2025-04-01 20:42:33 | 4,833 0 |
4,833 | Form 4 |
| 51 | MADISON DEARBORN CAPITAL PARTNERS IV LP MADISON DEARBORN PARTNERS IV LP MADISON DEARBORN PARTNERS LLC 10% Owner |
2009-08-21 15:19:00 | 0 0 |
0 | Form 13D |
| 52 | GRISSOM DOUGLAS C Director |
2009-08-21 12:20:40 | 0 0 |
0 | Form 4 |