Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- 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>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-06-03 Sale |
2025-06-04 5:00 pm |
Great Lakes Dredge & Dock CORP | GLDD | Steger Ronald Director |
5,000 | $11.59 | $57,925 | 20,404 (Direct) |
View |
2025-05-06 Sale |
2025-05-08 5:43 pm |
Great Lakes Dredge & Dock CORP | GLDD | BEYKO ELENI SVP - Offshore Energy |
22,579 | $10.26 | $231,600 | 50,138 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-06-30 Option Award |
2025-07-01 5:21 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Steger Ronald Director |
2,266 | $0 | 59,437 (Direct) |
View |
2025-06-30 Option Award |
2025-07-01 5:16 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Shipp Earl L Director |
1,969 | $0 | 38,788 (Direct) |
View |
2025-06-30 Option Award |
2025-07-01 5:13 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Shanahan Kathleen M Director |
2,071 | $0 | 81,195 (Direct) |
View |
2025-06-30 Option Award |
2025-07-01 5:09 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | DICKERSON LAWRENCE R Director |
4,097 | $0 | 152,270 (Direct) |
View |
2025-06-30 Option Award |
2025-07-01 5:05 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Armstrong Dana A Director |
1,969 | $0 | 4,605 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 6:14 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | BEYKO ELENI SVP - Offshore Energy |
40,000 | $0 | 90,138 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:57 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Petterson Lasse CEO & President |
125,145 | $0 | 1,159,377 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:54 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Kornblau Scott Lee SVP & CFO |
25,058 | $0 | 171,935 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:51 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Schiffer Vivienne SVP, CLO, CCO & Corp Secretary |
18,035 | $0 | 82,181 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:46 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | GUNSTEN CHRISTOPHER SVP-Proj Svcs & Fleet Engineer |
13,179 | $0 | 85,952 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:41 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | JOHANSON DAVID SVP-Project Acquisition & Ops |
13,179 | $0 | 104,063 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:38 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | HANSON WILLIAM H SVP, Market Development |
8,237 | $0 | 68,977 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:33 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | BEYKO ELENI SVP - Offshore Energy |
15,376 | $0 | 105,514 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:28 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | BAYER RYAN VP & CAO |
10,126 | $0 | 24,574 (Direct) |
View |
2025-05-05 Tax Withholding |
2025-05-07 5:53 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Schiffer Vivienne SVP, CLO, CCO & Corp Secretary |
1,753 | $9.54 | 64,146 (Direct) |
View |
2025-05-05 Tax Withholding |
2025-05-07 5:49 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Petterson Lasse CEO & President |
4,541 | $9.54 | 1,034,232 (Direct) |
View |
2025-05-05 Tax Withholding |
2025-05-07 5:44 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Kornblau Scott Lee SVP & CFO |
2,746 | $9.54 | 146,877 (Direct) |
View |
2025-05-05 Tax Withholding |
2025-05-07 5:40 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | JOHANSON DAVID SVP-Project Acquisition & Ops |
825 | $9.54 | 90,884 (Direct) |
View |
2025-05-05 Tax Withholding |
2025-05-07 5:35 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | HANSON WILLIAM H SVP, Market Development |
600 | $9.54 | 60,740 (Direct) |
View |
2025-05-05 Tax Withholding |
2025-05-07 5:31 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | GUNSTEN CHRISTOPHER SVP-Proj Svcs & Fleet Engineer |
922 | $9.54 | 72,773 (Direct) |
View |
2025-05-05 Tax Withholding |
2025-05-07 5:27 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | BEYKO ELENI SVP - Offshore Energy |
1,458 | $9.54 | 72,717 (Direct) |
View |
2025-04-24 Tax Withholding |
2025-04-28 6:27 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | BEYKO ELENI SVP - Offshore Energy |
8,088 | $9.06 | 74,175 (Direct) |
View |
2025-03-31 Option Award(A) |
2025-04-28 6:24 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | STEUERT D MICHAEL Director |
2,759 | $0 | 89,209 (Direct) |
View |
2025-03-31 Option Award(A) |
2025-04-28 6:21 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Steger Ronald Director |
3,175 | $0 | 36,767 (Direct) |
View |
2025-03-31 Option Award(A) |
2025-04-28 6:19 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Shipp Earl L Director |
2,759 | $0 | 36,819 (Direct) |
View |
2025-03-31 Option Award(A) |
2025-04-28 6:16 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Shanahan Kathleen M Director |
2,902 | $0 | 8,600 (Direct) |
View |
2025-03-31 Option Award(A) |
2025-04-28 6:12 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Armstrong Dana A Director |
2,636 | $0 | 2,636 (Direct) |
View |
2025-03-31 Option Award |
2025-04-01 8:51 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Shanahan Kathleen M Director |
5,201 | $0 | 81,423 (Direct) |
View |
2025-03-31 Option Award |
2025-04-01 8:48 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Steger Ronald Director |
5,474 | $0 | 64,470 (Direct) |
View |
2025-03-31 Option Award |
2025-04-01 8:45 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | DICKERSON LAWRENCE R Director |
5,740 | $0 | 148,173 (Direct) |
View |
2025-03-31 Option Award |
2025-04-01 8:42 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Armstrong Dana A Director |
4,833 | $0 | 4,833 (Direct) |
View |
2025-03-31 Option Award |
2025-04-01 8:39 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Shipp Earl L Director |
5,057 | $0 | 39,117 (Direct) |
View |
2025-03-31 Option Award |
2025-04-01 8:37 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | STEUERT D MICHAEL Director |
5,057 | $0 | 91,507 (Direct) |
View |
2025-03-17 Tax Withholding |
2025-03-18 5:08 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Schiffer Vivienne SVP, CLO, CCO & Corp Secretary |
9,091 | $8.7 | 65,899 (Direct) |
View |
2025-03-17 Option Award |
2025-03-18 5:08 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Schiffer Vivienne SVP, CLO, CCO & Corp Secretary |
24,445 | $0 | 65,899 (Direct) |
View |
2025-03-17 Tax Withholding |
2025-03-18 5:05 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Petterson Lasse CEO & President |
35,562 | $8.7 | 1,038,773 (Direct) |
View |
2025-03-17 Option Award |
2025-03-18 5:05 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Petterson Lasse CEO & President |
171,943 | $0 | 1,038,773 (Direct) |
View |
2025-03-17 Tax Withholding |
2025-03-18 5:02 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Kornblau Scott Lee SVP & CFO |
33,928 | $8.7 | 149,623 (Direct) |
View |
2025-03-17 Option Award |
2025-03-18 5:02 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | Kornblau Scott Lee SVP & CFO |
66,794 | $0 | 149,623 (Direct) |
View |
2025-03-17 Tax Withholding |
2025-03-18 4:55 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | JOHANSON DAVID SVP-Project Acquisition & Ops |
7,776 | $8.7 | 92,454 (Direct) |
View |
2025-03-17 Option Award |
2025-03-18 4:55 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | JOHANSON DAVID SVP-Project Acquisition & Ops |
20,897 | $0 | 92,454 (Direct) |
View |
2025-03-17 Tax Withholding |
2025-03-18 4:47 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | HANSON WILLIAM H SVP, Market Development |
4,829 | $8.7 | 61,340 (Direct) |
View |
2025-03-17 Option Award |
2025-03-18 4:47 pm |
N/A N/A |
Great Lakes Dredge & Dock CORP | GLDD | HANSON WILLIAM H SVP, Market Development |
12,971 | $0 | 61,340 (Direct) |
View |