LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
GLDDCIK 0001372020

Great Lakes Dredge & Dock CORP

91 transactions by 13 insiders, from December 31, 2025 to April 1, 2026.

Transactions
9113 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
Nonenobody sold on the open market
Net
+$0net buying

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
David JohansonSVP10———
Eleni BeykoSVP10———
Christopher GunstenSVP9———
Scott Lee KornblauCFO9———
William H. HansonSVP9———
Vivienne SchifferSVP9———
Lasse PettersonCEO9———
Kathleen M. ShanahanDir8———
Ryan BayerVP6———
Ronald StegerDir4———
Lawrence R. DickersonDir4———
Dana A. ArmstrongDir2———
Earl L. ShippDir2———

All transactions

91 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Vivienne SchifferSVPApr 1U144,817——
Vivienne SchifferSVPApr 1A28,945——
Lasse PettersonCEOApr 1U1,568,290——
Lasse PettersonCEOApr 1A206,445——
Scott Lee KornblauCFOApr 1U244,126——
Scott Lee KornblauCFOApr 1A90,518——
David JohansonSVPApr 1U191,598——
David JohansonSVPApr 1A71,860——
David JohansonSVPMar 25A521$10.82$6K
William H. HansonSVPApr 1U90,853——
William H. HansonSVPApr 1A13,631——
Ronald StegerDirDERIVApr 1D45,068——
Ronald StegerDirDERIVMar 31A1,625$0.00—?
Ronald StegerDirApr 1U20,404——
Earl L. ShippDirApr 1U42,619——
Kathleen M. ShanahanDirDERIVMar 31D10,336——
Kathleen M. ShanahanDirDERIVMar 31A1,485$0.00—?
Kathleen M. ShanahanDirApr 1U76,375——
Christopher GunstenSVPApr 1U182,496——
Christopher GunstenSVPApr 1A71,860——
Lawrence R. DickersonDirDERIVApr 1D76,962——
Lawrence R. DickersonDirDERIVMar 31A2,938$0.00—?
Lawrence R. DickersonDirApr 1U86,217——
Eleni BeykoSVPApr 1U151,312——
Eleni BeykoSVPApr 1A25,505——
Ryan BayerVPApr 1U37,380——
Ryan BayerVPApr 1A5,607——
Dana A. ArmstrongDirApr 1U8,436——
Eleni BeykoSVPDec 31F8,088$13.12$106K
Vivienne SchifferSVPMar 16F2,546$16.93$43K
Vivienne SchifferSVPMar 16A10,454——
Vivienne SchifferSVPMar 16F2,058$16.93$35K
Vivienne SchifferSVPMar 16F3,461$16.93$59K
Vivienne SchifferSVPMar 16A14,213——
Vivienne SchifferSVPMar 16F2,060$16.93$35K
Lasse PettersonCEOMar 16F31,057$16.93$526K
Lasse PettersonCEOMar 16A78,924——
Lasse PettersonCEOMar 16F15,529$16.93$263K
Lasse PettersonCEOMar 16F20,033$16.93$339K
Lasse PettersonCEOMar 16F37,202$16.93$630K
Lasse PettersonCEOMar 16A94,540——
Scott Lee KornblauCFOMar 16F5,851$16.93$99K
Scott Lee KornblauCFOMar 16A14,868——
Scott Lee KornblauCFOMar 16F2,926$16.93$50K
Scott Lee KornblauCFOMar 16F8,762$16.93$148K
Scott Lee KornblauCFOMar 16A22,265——
Scott Lee KornblauCFOMar 16F4,719$16.93$80K
David JohansonSVPMar 16F2,057$16.93$35K
David JohansonSVPMar 16A8,444——
David JohansonSVPMar 16F1,029$16.93$17K
David JohansonSVPMar 16F3,080$16.93$52K
David JohansonSVPMar 16A12,646——
David JohansonSVPMar 16F1,659$16.93$28K
William H. HansonSVPMar 16F1,277$16.93$22K
William H. HansonSVPMar 16A5,242——
William H. HansonSVPMar 16F639$16.93$11K
William H. HansonSVPMar 16F1,913$16.93$32K
William H. HansonSVPMar 16A7,853——
William H. HansonSVPMar 16F1,030$16.93$17K
Christopher GunstenSVPMar 16F2,732$16.93$46K
Christopher GunstenSVPMar 16A8,444——
Christopher GunstenSVPMar 16F1,367$16.93$23K
Christopher GunstenSVPMar 16F4,091$16.93$69K
Christopher GunstenSVPMar 16A12,646——
Christopher GunstenSVPMar 16F2,204$16.93$37K
Eleni BeykoSVPMar 16F3,188$16.93$54K
Eleni BeykoSVPMar 16A9,852——
Eleni BeykoSVPMar 16F1,939$16.93$33K
Eleni BeykoSVPMar 16F4,773$16.93$81K
Eleni BeykoSVPMar 16A14,754——
Eleni BeykoSVPMar 16F2,645$16.93$45K
Ryan BayerVPMar 16F854$16.93$14K
Ryan BayerVPMar 16A2,170——
Ryan BayerVPMar 16F1,282$16.93$22K
Vivienne SchifferSVPFeb 23A19,149——
Lasse PettersonCEOFeb 23A132,825——
Scott Lee KornblauCFOFeb 23A26,603——
David JohansonSVPFeb 23A13,988——
William H. HansonSVPFeb 23A9——
Christopher GunstenSVPFeb 23A13,988——
Eleni BeykoSVPFeb 23A16,320——
Ryan BayerVPFeb 23A7,165——
Kathleen M. ShanahanDirDERIVJan 15M3,002$0.00—?
Kathleen M. ShanahanDirDERIVJan 15M2,849$0.00—?
Kathleen M. ShanahanDirJan 15M3,002$0.00—
Kathleen M. ShanahanDirJan 15M2,849$0.00—
Kathleen M. ShanahanDirDERIVDec 31A1,925$0.00—?
Ronald StegerDirDERIVDec 31A2,106$0.00—?
Earl L. ShippDirDec 31A1,829$0.00—
Lawrence R. DickersonDirDERIVDec 31A3,806$0.00—?
Dana A. ArmstrongDirDec 31A1,829$0.00—