Great Lakes Dredge & Dock (GLDD) Insider Trading & Ownership $10.69 -0.17 (-1.57%) Closing price 04:00 PM EasternExtended Trading$10.70 +0.01 (+0.05%) As of 04:04 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Great Lakes Dredge & Dock (NASDAQ:GLDD) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage2.00%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)$30,031.25Number OfInsiders Selling(Last 12 Months)3Amount OfInsider Selling(Last 12 Months)$1.70 M Get GLDD Insider Trade Alerts Want to know when executives and insiders are buying or selling Great Lakes Dredge & Dock stock? 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Email Address GLDD Insider Buying and Selling by Quarter Great Lakes Dredge & Dock Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame * Start Date * End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails5/6/2025Eleni BeykoSVPSell22,579$10.26$231,660.54 3/4/2025Christopher GunstenSVPBuy3,875$7.75$30,031.25 11/11/2024Kathleen M ShanahanDirectorSell23,238$12.63$293,495.94 8/26/2024Lasse PettersonCEOSell28,709$9.24$265,271.16 8/23/2024Lasse PettersonCEOSell46,510$9.08$422,310.80 8/19/2024Lasse PettersonCEOSell53,771$9.06$487,165.26 (Data available from 1/1/2013 forward) GLDD Insider Trading Activity - Frequently Asked Questions Who is on Great Lakes Dredge & Dock's Insider Roster? The list of insiders at Great Lakes Dredge & Dock includes Christopher Gunsten, Earl L Shipp, Eleni Beyko, Kathleen M Shanahan, Lasse Petterson, and Ryan Levenson. Learn more on insiders at GLDD. What percentage of Great Lakes Dredge & Dock stock is owned by insiders? 2.00% of Great Lakes Dredge & Dock stock is owned by insiders. Learn more on GLDD's insider holdings. Which Great Lakes Dredge & Dock insiders have been buying company stock? The following insider purchased GLDD shares in the last 24 months: Christopher Gunsten ($30,031.25). How much insider buying is happening at Great Lakes Dredge & Dock? Insiders have purchased a total of 3,875 GLDD shares in the last 24 months for a total of $30,031.25 bought. Which Great Lakes Dredge & Dock insiders have been selling company stock? The following insiders have sold GLDD shares in the last 24 months: Eleni Beyko ($231,660.54), Kathleen M Shanahan ($293,495.94), and Lasse Petterson ($1,174,747.22). How much insider selling is happening at Great Lakes Dredge & Dock? Insiders have sold a total of 174,807 Great Lakes Dredge & Dock shares in the last 24 months for a total of $1,699,903.70 sold. Great Lakes Dredge & Dock Key ExecutivesMr. Lasse J. Petterson (Age 68)CEO, President & Director Compensation: $1.65MMr. Scott Lee Kornblau (Age 53)Senior VP & Chief Financial Officer Compensation: $792.83kMr. David J. Johanson (Age 52)Senior Vice President of Project Acquisition & Operations Compensation: $584.99kMs. Vivienne R. Schiffer (Age 64)Senior VP, Chief Legal Officer, Chief Compliance Officer & Corporate Secretary Compensation: $615.86kMs. Eleni Beyko Ph.D. (Age 58)Senior Vice President of Offshore Wind Compensation: $602.84kMr. Christopher G. Gunsten P.E. (Age 54)Senior Vice President of Project Services & Fleet Engineering Compensation: $584.99k1 recent tradesMr. Ryan M. Bayer (Age 42)VP & Chief Accounting Officer Mr. Trond EllefsenVP and CTO of Technology & InnovationTina A. BaginskisDirector of Investor RelationsMr. Steven W. Becker (Age 62)Senior Vice President of Fleet Engineering More Insider Trading Tools from MarketBeat Related Companies Argan Insider Trading MYR Group Insider Trading Tutor Perini Insider Trading Ameresco Insider Trading Northwest Pipe Insider Trading Matrix Service Insider Trading Orion Group Insider Trading Quanta Services Insider Trading EMCOR Group Insider Trading Comfort Systems USA Insider Trading Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles UnitedHealth Insiders Double Down: Is UNH Stock a Value Play?Sprouts Stock: Insider Sales, But Strong Bullish Signals5 Hot Small-Cap Insiders Bought at the Peak of Tariff FearsThe Top-Ranked Insider Buys From April by Market CapMcDonald’s Insiders Sell Shares! Investors Should Do the Opposite This page (NASDAQ:GLDD) was last updated on 5/22/2025 by MarketBeat.com Staff From Our PartnersWatch This Robotics Demo Before July 23rdJeff Brown, the tech legend who picked shares of Nvidia in 2016 before they jumped by more than 22,000%... ...Brownstone Research | SponsoredThe DOJ Just Said Your Money Isn’t YoursWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what ...Priority Gold | SponsoredTrump’s Exec Order #14154 could be a “Millionaire-Maker”Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans...Paradigm Press | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... A single announcement by July 22nd could soon b...Altimetry | SponsoredMan who predicted $100K Bitcoin sees a huge run coming for another coin …Sure enough, Bitcoin took off on the exact day Juan said it would. 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