GLDD
Great Lakes Dredge & Dock Corporation$17.00+0.04 (+0.21%)Prev Close$16.97·MCap$1.14B·P/E15.74·Vol1.69M·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
12
$1.25M
◆
Net Activity
Net Seller
$1.25M
●
Active Insiders
8
last 12 mo
Over the past 12 months, insider activity at Great Lakes Dredge & Dock Corporation (GLDD) has been exclusively selling, with 0 insider purchases totaling $0.00 and 12 insider sales totaling $1.25M. The most recent insider transaction was by JOHANSON DAVID (SVP-Project Acquisition & Ops), who sold $29.3K worth of shares on Dec 10, 2025. Great Lakes Dredge & Dock Corporation operates in the Industrials sector, within the Engineering & Construction industry, with a market cap of $1.14B.
GLDD Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Dec 10, 2025 | JOHANSON DAVID | SVP-Project Acquisition & Ops | Sell | 2,100 | $13.96 | $29.3K | 0 |
| Dec 3, 2025 | JOHANSON DAVID | SVP-Project Acquisition & Ops | Sell | 10,000 | $13.02 | $130.2K | 0 |
| Aug 11, 2025 | Kornblau Scott Lee | SVP & CFO | Sell | 59,805 | $11.48 | $686.3K | 0 |
| Jun 3, 2025 | Steger Ronald | Director | Sell | 5,000 | $11.59 | $57.9K | 0 |
| May 6, 2025 | BEYKO ELENI | SVP - Offshore Energy | Sell | 22,579 | $10.26 | $231.6K | 0 |
| May 5, 2025 | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | Sell | 1,753 | $9.54 | $16.7K | 0 |
| May 5, 2025 | HANSON WILLIAM H | SVP, Market Development | Sell | 600 | $9.54 | $5.7K | 0 |
| May 5, 2025 | Petterson Lasse | CEO & President | Sell | 4,541 | $9.54 | $43.3K | 0 |
| May 5, 2025 | GUNSTEN CHRISTOPHER | SVP-Proj Svcs & Fleet Engineer | Sell | 922 | $9.54 | $8.8K | 0 |
| May 5, 2025 | BEYKO ELENI | SVP - Offshore Energy | Sell | 1,458 | $9.54 | $13.9K | 0 |
| May 5, 2025 | JOHANSON DAVID | SVP-Project Acquisition & Ops | Sell | 825 | $9.54 | $7.9K | 0 |
| May 5, 2025 | Kornblau Scott Lee | SVP & CFO | Sell | 1,676 | $9.54 | $16.0K | 0 |
| Apr 24, 2025 | BEYKO ELENI | SVP - Offshore Energy | Sell | 8,088 | $9.06 | $73.3K | 0 |
| Mar 17, 2025 | JOHANSON DAVID | SVP-Project Acquisition & Ops | Sell | 7,776 | $8.70 | $67.7K | 0 |
| Mar 17, 2025 | HANSON WILLIAM H | SVP, Market Development | Sell | 4,829 | $8.70 | $42.0K | 0 |
| Mar 17, 2025 | GUNSTEN CHRISTOPHER | SVP-Proj Svcs & Fleet Engineer | Sell | 8,734 | $8.70 | $76.0K | 0 |
| Mar 17, 2025 | Petterson Lasse | CEO & President | Sell | 35,562 | $8.70 | $309.4K | 0 |
| Mar 17, 2025 | Kornblau Scott Lee | SVP & CFO | Sell | 33,928 | $8.70 | $295.2K | 0 |
| Mar 17, 2025 | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | Sell | 9,091 | $8.70 | $79.1K | 0 |
| Mar 17, 2025 | BAYER RYAN | VP & CAO | Sell | 1,938 | $8.70 | $16.9K | 0 |
| Mar 17, 2025 | BEYKO ELENI | SVP - Offshore Energy | Sell | 12,052 | $8.70 | $104.9K | 0 |
| Mar 4, 2025 | GUNSTEN CHRISTOPHER | SVP-Proj Svcs & Fleet Engineer | Buy | 3,875 | $7.75 | $30.0K | 0 |
| Nov 15, 2024 | DICKERSON LAWRENCE R | Sell | 15,936 | $12.04 | $191.8K | 82,148 | |
| Nov 13, 2024 | DICKERSON LAWRENCE R | Sell | 5,323 | $12.61 | $67.1K | 98,084 | |
| Nov 12, 2024 | Shanahan Kathleen M | Sell | 23,238 | $12.63 | $293.5K | 67,675-26% | |
| Nov 12, 2024 | Steger Ronald | Sell | 12,000 | $12.76 | $153.1K | 25,404-32% | |
| Aug 26, 2024 | Petterson Lasse | CEO & President | Sell | 75,219 | $9.14 | $687.7K | 931,101 |
| Aug 21, 2024 | Petterson Lasse | CEO & President | Sell | 63,918 | $9.07 | $579.5K | 987,758 |
| Aug 19, 2024 | Petterson Lasse | CEO & President | Sell | 110,863 | $9.09 | $1.01M | 1,093,169 |
| May 19, 2023 | Levenson Ryan | Director | Buy | 133,788 | $6.81 | $911.3K | 333,888+67% |
| May 15, 2023 | Levenson Ryan | Director | Buy | 68,000 | $6.10 | $414.5K | 200,100+51% |
| May 12, 2023 | Levenson Ryan | Director | Buy | 132,000 | $6.09 | $804.0K | 132,100New Position |
| Mar 3, 2023 | Shipp Earl L | Director | Buy | 2,000 | $5.51 | $11.0K | 14,578 |
| Aug 5, 2022 | Petterson Lasse | CEO & President | Buy | 10,000 | $9.65 | $96.5K | 1,003,630 |
| May 11, 2022 | Simonelli David E | Chief Operating Officer | Sell | 17,700 | $14.12 | $249.9K | 245,866 |
| Mar 2, 2022 | HANSON WILLIAM H | SVP, Gov't Relations & Bus Dev | Sell | 1,119 | $14.06 | $15.7K | 28,685 |
| Nov 16, 2021 | Simonelli David E | Chief Operating Officer | Sell | 5,000 | $15.84 | $79.2K | 204,582 |
| Nov 2, 2021 | Simonelli David E | Chief Operating Officer | Sell | 5,000 | $15.37 | $76.8K | 210,667 |
| Oct 25, 2021 | DICKERSON LAWRENCE R | Director | Sell | 1,518 | $14.59 | $22.1K | 85,648 |
| Aug 31, 2021 | Simonelli David E | Chief Operating Officer | Sell | 21,064 | $14.97 | $315.4K | 212,073 |
| Aug 18, 2021 | Simonelli David E | Chief Operating Officer | Sell | 21,227 | $14.90 | $316.4K | 233,137 |
| Aug 16, 2021 | Simonelli David E | Chief Operating Officer | Sell | 7,567 | $14.85 | $112.3K | 233,137 |
| Aug 12, 2021 | Shipp Earl L | Director | Buy | 1,500 | $14.58 | $21.9K | 1,500 |
| Jul 14, 2021 | DICKERSON LAWRENCE R | Director | Sell | 1,568 | $14.50 | $22.7K | 84,130 |
| Jun 16, 2021 | Simonelli David E | Chief Operating Officer | Sell | 8,735 | $14.46 | $126.4K | 240,704 |
| May 5, 2021 | Simonelli David E | Chief Operating Officer | Sell | 8,566 | $16.14 | $138.2K | 249,439 |
| Apr 28, 2021 | Simonelli David E | Chief Operating Officer | Sell | 12,395 | $15.88 | $196.8K | 258,005 |
| Apr 21, 2021 | Simonelli David E | Chief Operating Officer | Sell | 10,913 | $15.14 | $165.2K | 270,400 |
| Apr 14, 2021 | Simonelli David E | Chief Operating Officer | Sell | 36,582 | $15.17 | $555.0K | 295,895 |
| Apr 13, 2021 | DICKERSON LAWRENCE R | Director | Sell | 1,571 | $15.42 | $24.2K | 82,562 |
Showing 1–50 of 53
1 / 2
GLDD Insider Buying Activity
The following table shows recent insider purchases of Great Lakes Dredge & Dock Corporation (GLDD) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 4, 2025 | GUNSTEN CHRISTOPHER | SVP-Proj Svcs & Fleet Engineer | Buy | 3,875 | $7.75 | $30.0K | 0 |
| May 19, 2023 | Levenson Ryan | Director | Buy | 133,788 | $6.81 | $911.3K | 333,888+67% |
| May 15, 2023 | Levenson Ryan | Director | Buy | 68,000 | $6.10 | $414.5K | 200,100+51% |
| May 12, 2023 | Levenson Ryan | Director | Buy | 132,000 | $6.09 | $804.0K | 132,100New Position |
| Mar 3, 2023 | Shipp Earl L | Director | Buy | 2,000 | $5.51 | $11.0K | 14,578 |
| Aug 5, 2022 | Petterson Lasse | CEO & President | Buy | 10,000 | $9.65 | $96.5K | 1,003,630 |
| Aug 12, 2021 | Shipp Earl L | Director | Buy | 1,500 | $14.58 | $21.9K | 1,500 |
GLDD Insider Selling Activity
The following table shows recent insider sales of Great Lakes Dredge & Dock Corporation (GLDD) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Dec 10, 2025 | JOHANSON DAVID | SVP-Project Acquisition & Ops | Sell | 2,100 | $13.96 | $29.3K | 0 |
| Dec 3, 2025 | JOHANSON DAVID | SVP-Project Acquisition & Ops | Sell | 10,000 | $13.02 | $130.2K | 0 |
| Aug 11, 2025 | Kornblau Scott Lee | SVP & CFO | Sell | 59,805 | $11.48 | $686.3K | 0 |
| Jun 3, 2025 | Steger Ronald | Director | Sell | 5,000 | $11.59 | $57.9K | 0 |
| May 6, 2025 | BEYKO ELENI | SVP - Offshore Energy | Sell | 22,579 | $10.26 | $231.6K | 0 |
| May 5, 2025 | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | Sell | 1,753 | $9.54 | $16.7K | 0 |
| May 5, 2025 | HANSON WILLIAM H | SVP, Market Development | Sell | 600 | $9.54 | $5.7K | 0 |
| May 5, 2025 | Petterson Lasse | CEO & President | Sell | 4,541 | $9.54 | $43.3K | 0 |
| May 5, 2025 | GUNSTEN CHRISTOPHER | SVP-Proj Svcs & Fleet Engineer | Sell | 922 | $9.54 | $8.8K | 0 |
| May 5, 2025 | BEYKO ELENI | SVP - Offshore Energy | Sell | 1,458 | $9.54 | $13.9K | 0 |
| May 5, 2025 | JOHANSON DAVID | SVP-Project Acquisition & Ops | Sell | 825 | $9.54 | $7.9K | 0 |
| May 5, 2025 | Kornblau Scott Lee | SVP & CFO | Sell | 1,676 | $9.54 | $16.0K | 0 |
| Apr 24, 2025 | BEYKO ELENI | SVP - Offshore Energy | Sell | 8,088 | $9.06 | $73.3K | 0 |
| Mar 17, 2025 | JOHANSON DAVID | SVP-Project Acquisition & Ops | Sell | 7,776 | $8.70 | $67.7K | 0 |
| Mar 17, 2025 | HANSON WILLIAM H | SVP, Market Development | Sell | 4,829 | $8.70 | $42.0K | 0 |
| Mar 17, 2025 | GUNSTEN CHRISTOPHER | SVP-Proj Svcs & Fleet Engineer | Sell | 8,734 | $8.70 | $76.0K | 0 |
| Mar 17, 2025 | Petterson Lasse | CEO & President | Sell | 35,562 | $8.70 | $309.4K | 0 |
| Mar 17, 2025 | Kornblau Scott Lee | SVP & CFO | Sell | 33,928 | $8.70 | $295.2K | 0 |
| Mar 17, 2025 | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | Sell | 9,091 | $8.70 | $79.1K | 0 |
| Mar 17, 2025 | BAYER RYAN | VP & CAO | Sell | 1,938 | $8.70 | $16.9K | 0 |
| Mar 17, 2025 | BEYKO ELENI | SVP - Offshore Energy | Sell | 12,052 | $8.70 | $104.9K | 0 |
| Nov 15, 2024 | DICKERSON LAWRENCE R | Sell | 15,936 | $12.04 | $191.8K | 82,148 | |
| Nov 13, 2024 | DICKERSON LAWRENCE R | Sell | 5,323 | $12.61 | $67.1K | 98,084 | |
| Nov 12, 2024 | Shanahan Kathleen M | Sell | 23,238 | $12.63 | $293.5K | 67,675-26% | |
| Nov 12, 2024 | Steger Ronald | Sell | 12,000 | $12.76 | $153.1K | 25,404-32% | |
| Aug 26, 2024 | Petterson Lasse | CEO & President | Sell | 75,219 | $9.14 | $687.7K | 931,101 |
| Aug 21, 2024 | Petterson Lasse | CEO & President | Sell | 63,918 | $9.07 | $579.5K | 987,758 |
| Aug 19, 2024 | Petterson Lasse | CEO & President | Sell | 110,863 | $9.09 | $1.01M | 1,093,169 |
| May 11, 2022 | Simonelli David E | Chief Operating Officer | Sell | 17,700 | $14.12 | $249.9K | 245,866 |
| Mar 2, 2022 | HANSON WILLIAM H | SVP, Gov't Relations & Bus Dev | Sell | 1,119 | $14.06 | $15.7K | 28,685 |
| Nov 16, 2021 | Simonelli David E | Chief Operating Officer | Sell | 5,000 | $15.84 | $79.2K | 204,582 |
| Nov 2, 2021 | Simonelli David E | Chief Operating Officer | Sell | 5,000 | $15.37 | $76.8K | 210,667 |
| Oct 25, 2021 | DICKERSON LAWRENCE R | Director | Sell | 1,518 | $14.59 | $22.1K | 85,648 |
| Aug 31, 2021 | Simonelli David E | Chief Operating Officer | Sell | 21,064 | $14.97 | $315.4K | 212,073 |
| Aug 18, 2021 | Simonelli David E | Chief Operating Officer | Sell | 21,227 | $14.90 | $316.4K | 233,137 |
| Aug 16, 2021 | Simonelli David E | Chief Operating Officer | Sell | 7,567 | $14.85 | $112.3K | 233,137 |
| Jul 14, 2021 | DICKERSON LAWRENCE R | Director | Sell | 1,568 | $14.50 | $22.7K | 84,130 |
| Jun 16, 2021 | Simonelli David E | Chief Operating Officer | Sell | 8,735 | $14.46 | $126.4K | 240,704 |
| May 5, 2021 | Simonelli David E | Chief Operating Officer | Sell | 8,566 | $16.14 | $138.2K | 249,439 |
| Apr 28, 2021 | Simonelli David E | Chief Operating Officer | Sell | 12,395 | $15.88 | $196.8K | 258,005 |
| Apr 21, 2021 | Simonelli David E | Chief Operating Officer | Sell | 10,913 | $15.14 | $165.2K | 270,400 |
| Apr 14, 2021 | Simonelli David E | Chief Operating Officer | Sell | 36,582 | $15.17 | $555.0K | 295,895 |
| Apr 13, 2021 | DICKERSON LAWRENCE R | Director | Sell | 1,571 | $15.42 | $24.2K | 82,562 |
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