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Great Lakes Dredge & Dock Corp Stock: price and insider trades · United States
No insider purchase over the last 90 days. The latest was filed 05 Mar 2025.
Great Lakes Dredge & Dock Corp: what insiders have been doing
Great Lakes Dredge & Dock Corp, classified in the Construction sector, is a listed company based in Oakbrook Terrace, founded in 1890. Its insiders report their share dealings to SEC (Form 4). 13 insiders have disclosed 52 filings since 18 October 2025.
No insider bought on the market over the period, while 1 insider filed 2 sales totalling €137k. The largest single trade was a sale of €112k by Johanson David, published on 4 December 2025.
Typically, a trade is published a median of 2 days after it takes place. For comparison, the SEC allows two business days to file a Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives.
For context, the typical company on the same exchange (median of 5,811 companies) published 19 filings over the same period, against 52 filings here. The full history, which starts in 2016, counts 7 purchases against 22 sales. In its latest annual report filed with the SEC (10-K/A, fiscal year ended 31 December 2025), the company reported revenue of 888.3 m USD and net income of 73.5 m USD.
For comparison within the same sector, see the insider buying recorded at Lennar Corp /NEW/. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.
Insider Decl.
283
Thresholds
n/a
Buy Volume
€926,794
7 ops. · all time
Sell Volume
€4M
22 ops. · all time
Who traded when
BuySaleDavid Johanson2 sales
Lawrence R. Dickerson2 sales
Ronald Steger2 sales
Christopher Gunsten1 buy
Eleni Beyko1 sale
Kathleen M. Shanahan1 sale
+1 other insider
Since the insiders bought
- -36.7%Entry US$15.11 · Close at T+365 US$9.57
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Analyst consensus: bullish or bearish?
Analysts rate Great Lakes Dredge & Dock Corp Hold (neutral), based on 4 analysts. Average price target: US$17.00.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 4,694 of 24,148 companies
67.2
score / 100
Value76
Quality58
FCF yld8.8%
Earn yld6.5%
EV/EBITDA·
ROE15%
Gross mgn23%
Net mgn8.3%
Debt/EBITDA·
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
US$17.00
Analyst consensus
4 analystsHold
US$17.00Target US$17.00(0%)US$17.00
Income statement
RevenueUS$888.3M
Gross profitUS$203.5M23% margin
Net incomeUS$73.5M8.3% margin
Valuation
PER (trailing)15.7x
PER (forward)13.4x
P/Book2.2x
Beta1.37
Balance sheet & cash
Market capUS$1.1B
Total debtUS$457.7M
Free Cash FlowUS$99.5M
Debt / Equity89%
Profitability & ownership
ROE15.2%
ROA6.2%
% insiders3.1%
% institutions86.7%
Last declaration on 1 April 2026
Declarations283 total
521.257 shares@ US$10.8212.4% of flowCommon StockSEC:0001193125-26-137979:0
90,852.743 sharesCommon StockSEC:0001193125-26-137966:1
8,436 sharesCommon StockSEC:0001193125-26-137815:0
5,607 sharesCommon StockSEC:0001193125-26-137892:0
37,380 sharesCommon StockSEC:0001193125-26-137892:1
25,505 sharesCommon StockSEC:0001193125-26-137913:0
151,312 sharesCommon StockSEC:0001193125-26-137913:1
86,217 sharesCommon StockSEC:0001193125-26-137836:0
71,860 sharesCommon StockSEC:0001193125-26-137939:0
182,496 sharesCommon StockSEC:0001193125-26-137939:1
76,375 sharesCommon StockSEC:0001193125-26-137844:0
42,619 sharesCommon StockSEC:0001193125-26-137856:0
20,404 sharesCommon StockSEC:0001193125-26-137867:0
13,631 sharesCommon StockSEC:0001193125-26-137966:0
71,860 sharesCommon StockSEC:0001193125-26-137979:1
191,597.516 sharesCommon StockSEC:0001193125-26-137979:2
90,518 sharesCommon StockSEC:0001193125-26-138002:0
244,126.24 sharesCommon StockSEC:0001193125-26-138002:1
206,445 sharesCommon StockSEC:0001193125-26-138038:0
1,568,290.29 sharesCommon StockSEC:0001193125-26-138038:1
28,945 sharesCommon StockSEC:0001193125-26-138046:0
144,817 sharesCommon StockSEC:0001193125-26-138046:1
8,088 shares@ US$13.1218.3% of flowCommon StockSEC:0001193125-26-124387:0
8,237 sharesCommon StockSEC:0001193125-26-124307:0
10,126 sharesCommon StockSEC:0001193125-26-124360:0
25 of 283 declarations
About Great Lakes Dredge & Dock Corp
Great Lakes Dredge & Dock Corp (ticker: GLDD) is a U.S.-listed company traded on the Nasdaq in the United States and is the largest provider of dredging services in the country. Founded in 1890 in Illinois as Lydon & Drews Partnership and renamed Great Lakes Dredge & Dock Company in 1905, the business is now headquartered in Houston, Texas. For French-speaking investors, it is best understood as a marine infrastructure and coastal engineering specialist with a long operating history tied to ports, waterways, shoreline protection and environmental restoration.
The company’s core business is dredging, including maintenance dredging, capital dredging, beach nourishment, coastal protection and related marine construction services. Great Lakes also participates in projects linked to inland channels, river systems, port deepening and large-scale civil marine works. It operates a diversified fleet of dredges and support vessels, backed by engineering, estimating, production and project management capabilities that allow it to execute technically complex projects. Although the company reports as a single operating segment, its customer base spans public and private markets, with a meaningful dependence on U.S. federal spending, especially through the U.S. Army Corps of Engineers, as well as on port, LNG and coastal infrastructure projects.
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From a competitive standpoint, Great Lakes holds a leading position in the U.S. dredging market and is commonly described by the company as the largest dredging services provider in the United States. That scale matters because the industry is capital intensive, regulated and project-based, with barriers to entry created by fleet requirements, technical know-how, bonding capacity and long-standing customer relationships. Great Lakes also has substantial overseas experience, which broadens its opportunity set beyond domestic public works. In addition, management has been actively building exposure to offshore energy, particularly offshore wind-related subsea rock installation and cable-protection services. This is a strategic diversification, although dredging remains the dominant earnings driver.
Geographically, the company serves the U.S. East Coast, Gulf Coast, Great Lakes region and inland waterways, with marine yards and regional operating bases supporting project execution. Recent developments have been important for the investment case. In 2025, Great Lakes announced multiple dredging awards, including work tied to the Woodside Louisiana LNG project and Mississippi River maintenance contracts. The company also highlighted progress on its newbuild program, including delivery of the Amelia Island hopper dredge and the Acadia vessel, designed for offshore energy and subsea infrastructure markets. Another major recent headline came in 2026, when Great Lakes and Saltchuk Resources announced a transaction that would take the company into Saltchuk’s family of companies, a development that could reshape the equity story for GLDD shareholders.
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