InsiderFlow

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

DateInsiderTypeValue
Dec 10, 2025 JOHANSON DAVIDSell$29.3K
Dec 3, 2025 JOHANSON DAVIDSell$130.2K
Aug 11, 2025 Kornblau Scott LeeSell$686.3K
Jun 3, 2025 Steger RonaldSell$57.9K
May 6, 2025 BEYKO ELENISell$231.6K
May 5, 2025 Schiffer VivienneSell$16.7K
May 5, 2025 HANSON WILLIAM HSell$5.7K
May 5, 2025 Petterson LasseSell$43.3K
May 5, 2025 GUNSTEN CHRISTOPHERSell$8.8K
May 5, 2025 BEYKO ELENISell$13.9K
May 5, 2025 JOHANSON DAVIDSell$7.9K
May 5, 2025 Kornblau Scott LeeSell$16.0K
Apr 24, 2025 BEYKO ELENISell$73.3K
Mar 17, 2025 JOHANSON DAVIDSell$67.7K
Mar 17, 2025 HANSON WILLIAM HSell$42.0K
Mar 17, 2025 GUNSTEN CHRISTOPHERSell$76.0K
Mar 17, 2025 Petterson LasseSell$309.4K
Mar 17, 2025 Kornblau Scott LeeSell$295.2K
Mar 17, 2025 Schiffer VivienneSell$79.1K
Mar 17, 2025 BAYER RYANSell$16.9K
Mar 17, 2025 BEYKO ELENISell$104.9K
Mar 4, 2025 GUNSTEN CHRISTOPHERBuy$30.0K
Nov 15, 2024 DICKERSON LAWRENCE RSell$191.8K
Nov 13, 2024 DICKERSON LAWRENCE RSell$67.1K
Nov 12, 2024 Shanahan Kathleen MSell$293.5K
Nov 12, 2024 Steger RonaldSell$153.1K
Aug 26, 2024 Petterson LasseSell$687.7K
Aug 21, 2024 Petterson LasseSell$579.5K
Aug 19, 2024 Petterson LasseSell$1.01M
May 19, 2023 Levenson RyanBuy$911.3K
May 15, 2023 Levenson RyanBuy$414.5K
May 12, 2023 Levenson RyanBuy$804.0K
Mar 3, 2023 Shipp Earl LBuy$11.0K
Aug 5, 2022 Petterson LasseBuy$96.5K
May 11, 2022 Simonelli David ESell$249.9K
Mar 2, 2022 HANSON WILLIAM HSell$15.7K
Nov 16, 2021 Simonelli David ESell$79.2K
Nov 2, 2021 Simonelli David ESell$76.8K
Oct 25, 2021 DICKERSON LAWRENCE RSell$22.1K
Aug 31, 2021 Simonelli David ESell$315.4K
Aug 18, 2021 Simonelli David ESell$316.4K
Aug 16, 2021 Simonelli David ESell$112.3K
Aug 12, 2021 Shipp Earl LBuy$21.9K
Jul 14, 2021 DICKERSON LAWRENCE RSell$22.7K
Jun 16, 2021 Simonelli David ESell$126.4K
May 5, 2021 Simonelli David ESell$138.2K
Apr 28, 2021 Simonelli David ESell$196.8K
Apr 21, 2021 Simonelli David ESell$165.2K
Apr 14, 2021 Simonelli David ESell$555.0K
Apr 13, 2021 DICKERSON LAWRENCE RSell$24.2K
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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.

DateInsiderTypeValue
Mar 4, 2025 GUNSTEN CHRISTOPHERBuy$30.0K
May 19, 2023 Levenson RyanBuy$911.3K
May 15, 2023 Levenson RyanBuy$414.5K
May 12, 2023 Levenson RyanBuy$804.0K
Mar 3, 2023 Shipp Earl LBuy$11.0K
Aug 5, 2022 Petterson LasseBuy$96.5K
Aug 12, 2021 Shipp Earl LBuy$21.9K

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.

DateInsiderTypeValue
Dec 10, 2025 JOHANSON DAVIDSell$29.3K
Dec 3, 2025 JOHANSON DAVIDSell$130.2K
Aug 11, 2025 Kornblau Scott LeeSell$686.3K
Jun 3, 2025 Steger RonaldSell$57.9K
May 6, 2025 BEYKO ELENISell$231.6K
May 5, 2025 Schiffer VivienneSell$16.7K
May 5, 2025 HANSON WILLIAM HSell$5.7K
May 5, 2025 Petterson LasseSell$43.3K
May 5, 2025 GUNSTEN CHRISTOPHERSell$8.8K
May 5, 2025 BEYKO ELENISell$13.9K
May 5, 2025 JOHANSON DAVIDSell$7.9K
May 5, 2025 Kornblau Scott LeeSell$16.0K
Apr 24, 2025 BEYKO ELENISell$73.3K
Mar 17, 2025 JOHANSON DAVIDSell$67.7K
Mar 17, 2025 HANSON WILLIAM HSell$42.0K
Mar 17, 2025 GUNSTEN CHRISTOPHERSell$76.0K
Mar 17, 2025 Petterson LasseSell$309.4K
Mar 17, 2025 Kornblau Scott LeeSell$295.2K
Mar 17, 2025 Schiffer VivienneSell$79.1K
Mar 17, 2025 BAYER RYANSell$16.9K
Mar 17, 2025 BEYKO ELENISell$104.9K
Nov 15, 2024 DICKERSON LAWRENCE RSell$191.8K
Nov 13, 2024 DICKERSON LAWRENCE RSell$67.1K
Nov 12, 2024 Shanahan Kathleen MSell$293.5K
Nov 12, 2024 Steger RonaldSell$153.1K
Aug 26, 2024 Petterson LasseSell$687.7K
Aug 21, 2024 Petterson LasseSell$579.5K
Aug 19, 2024 Petterson LasseSell$1.01M
May 11, 2022 Simonelli David ESell$249.9K
Mar 2, 2022 HANSON WILLIAM HSell$15.7K
Nov 16, 2021 Simonelli David ESell$79.2K
Nov 2, 2021 Simonelli David ESell$76.8K
Oct 25, 2021 DICKERSON LAWRENCE RSell$22.1K
Aug 31, 2021 Simonelli David ESell$315.4K
Aug 18, 2021 Simonelli David ESell$316.4K
Aug 16, 2021 Simonelli David ESell$112.3K
Jul 14, 2021 DICKERSON LAWRENCE RSell$22.7K
Jun 16, 2021 Simonelli David ESell$126.4K
May 5, 2021 Simonelli David ESell$138.2K
Apr 28, 2021 Simonelli David ESell$196.8K
Apr 21, 2021 Simonelli David ESell$165.2K
Apr 14, 2021 Simonelli David ESell$555.0K
Apr 13, 2021 DICKERSON LAWRENCE RSell$24.2K

GLDD Insiders

JOHANSON DAVID

SVP-Project Acquisition & Ops

Sold $235.0K
4 tradesLast: Dec 10, 2025
Kornblau Scott Lee

SVP & CFO

Sold $997.5K
3 tradesLast: Aug 11, 2025
Steger Ronald

Director

Sold $211.0K
2 tradesLast: Jun 3, 2025
BEYKO ELENI

SVP - Offshore Energy

Sold $423.6K
4 tradesLast: May 6, 2025
Schiffer Vivienne

SVP, CLO, CCO & Corp Secretary

Sold $95.8K
2 tradesLast: May 5, 2025
GUNSTEN CHRISTOPHER

SVP-Proj Svcs & Fleet Engineer

Bought $30.0KSold $84.8K
3 tradesLast: May 5, 2025
Petterson Lasse

CEO & President

Bought $96.5KSold $2.63M
6 tradesLast: May 5, 2025
HANSON WILLIAM H

SVP, Market Development

Sold $63.5K
3 tradesLast: May 5, 2025
BAYER RYAN

VP & CAO

Sold $16.9K
1 tradesLast: Mar 17, 2025
DICKERSON LAWRENCE R

Director

Sold $328.0K
5 tradesLast: Nov 15, 2024
Shanahan Kathleen M

Sold $293.5K
1 tradesLast: Nov 12, 2024
Levenson Ryan

Director

Bought $2.13M
3 tradesLast: May 19, 2023
Shipp Earl L

Director

Bought $32.9K
2 tradesLast: Mar 3, 2023
Simonelli David E

Chief Operating Officer

Sold $2.64M
14 tradesLast: May 11, 2022