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Data

SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
About the data

© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Companies/GREAT LAKES DREDGE & DOCK CO

GREAT LAKES DREDGE & DOCK CO

87 insider trades tracked

GLDD

Insider trades

87

Total bought

$0

Total sold

$4M

Unique insiders

13

Recent insider trades

Most recent Form 4 filings for GREAT LAKES DREDGE & DOCK CO.

Schiffer Viviennetax-withheld2,546 shares ofGLDDat $16.93$43KMar 18Details
Schiffer Viviennegranted10,454 shares ofGLDDMar 18Details
Schiffer Viviennetax-withheld2,058 shares ofGLDDat $16.93$35KMar 18Details
Schiffer Viviennetax-withheld3,461 shares of

Insiders at this company

Executives and directors who have filed Form 4s.

JOHANSON DAVID14 trades
GUNSTEN CHRISTOPHER12 trades
Kornblau Scott Lee8 trades
BEYKO ELENI8 trades
HANSON WILLIAM H8 trades
Petterson Lasse7 trades
Schiffer Vivienne7 trades
BAYER RYAN6 trades

at $16.93

$59KMar 18Details

Schiffer Viviennegranted14,213 shares ofGLDDMar 18Details

Schiffer Viviennetax-withheld2,060 shares ofGLDDat $16.93$35KMar 18Details

Petterson Lassetax-withheld31,057 shares ofGLDDat $16.93$526KMar 18Details

Petterson Lassegranted78,924 shares ofGLDDMar 18Details

Petterson Lassetax-withheld15,529 shares ofGLDDat $16.93$263KMar 18Details

Petterson Lassetax-withheld20,033 shares ofGLDDat $16.93$339KMar 18Details

Petterson Lassetax-withheld37,202 shares ofGLDDat $16.93$630KMar 18Details

Petterson Lassegranted94,540 shares ofGLDDMar 18Details

Kornblau Scott Leetax-withheld5,851 shares ofGLDDat $16.93$99KMar 18Details

Kornblau Scott Leegranted14,868 shares ofGLDDMar 18Details

Kornblau Scott Leetax-withheld2,926 shares ofGLDDat $16.93$50KMar 18Details

Kornblau Scott Leetax-withheld8,762 shares ofGLDDat $16.93$148KMar 18Details

Kornblau Scott Leegranted22,265 shares ofGLDDMar 18Details

Kornblau Scott Leetax-withheld4,719 shares ofGLDDat $16.93$80KMar 18Details

JOHANSON DAVIDtax-withheld2,057 shares ofGLDDat $16.93$35KMar 18Details

JOHANSON DAVIDgranted8,444 shares ofGLDDMar 18Details

JOHANSON DAVIDtax-withheld1,029 shares ofGLDDat $16.93$17KMar 18Details

JOHANSON DAVIDtax-withheld3,080 shares ofGLDDat $16.93$52KMar 18Details

JOHANSON DAVIDgranted12,646 shares ofGLDDMar 18Details

JOHANSON DAVIDtax-withheld1,659 shares ofGLDDat $16.93$28KMar 18Details

HANSON WILLIAM Htax-withheld1,277 shares ofGLDDat $16.93$22KMar 18Details

HANSON WILLIAM Hgranted5,242 shares ofGLDDMar 18Details

HANSON WILLIAM Htax-withheld639 shares ofGLDDat $16.93$11KMar 18Details

HANSON WILLIAM Htax-withheld1,913 shares ofGLDDat $16.93$32KMar 18Details

HANSON WILLIAM Hgranted7,853 shares ofGLDDMar 18Details

HANSON WILLIAM Htax-withheld1,030 shares ofGLDDat $16.93$17KMar 18Details

Shanahan Kathleen M

5 trades

DICKERSON LAWRENCE R3 trades

Armstrong Dana A3 trades

Shipp Earl L3 trades

Steger Ronald3 trades

GREAT LAKES DREDGE & DOCK CO (GLDD) — Insider Trading Activity | Insider Trading Screener