David Johanson Great Lakes Dredge & Dock Corp (GLDD) insider trading activity

David Johanson is SVP-Project Acquisition & Ops of Great Lakes Dredge & Dock CORP. Currently has a direct ownership of 91,963 shares of GLDD, which is worth approximately $1.14 Million. The most recent transaction as insider was on Dec 10, 2025, when has been sold 2,100 shares (Common Stock) at a price of $13.96 per share, resulting in proceeds of $29,316. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 92K

11.63% 3M change

17.02% 12M change

Total Value Held $1.14 Million

DAVID JOHANSON Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 10 2025	SELL Open market or private sale	$29,316 $13.96 p/Share	2,100 Reduced 2.23%	91,963 Common Stock
Dec 03 2025	SELL Open market or private sale	$130,200 $13.02 p/Share	10,000 Reduced 9.61%	94,063 Common Stock
May 08 2025	BUY Grant, award, or other acquisition	-	13,179 Added 11.24%	104,063 Common Stock
May 05 2025	SELL Payment of exercise price or tax liability	$7,870 $9.54 p/Share	825 Reduced 0.9%	90,884 Common Stock
Mar 17 2025	SELL Payment of exercise price or tax liability	$67,651 $8.7 p/Share	7,776 Reduced 7.76%	92,454 Common Stock
Mar 17 2025	BUY Grant, award, or other acquisition	-	20,897 Added 18.23%	93,755 Common Stock
May 06 2024	SELL Payment of exercise price or tax liability	$4,540 $7.04 p/Share	645 Reduced 0.81%	78,588 Common Stock

Mar 15 2024	SELL Payment of exercise price or tax liability	$34,592 $8.62 p/Share	4,013 Reduced 5.69%	66,565 Common Stock
Mar 15 2024	BUY Grant, award, or other acquisition	-	19,566 Added 19.8%	79,233 Common Stock
Mar 05 2024	SELL Payment of exercise price or tax liability	$3,941 $8.7 p/Share	453 Reduced 0.71%	63,680 Common Stock
May 05 2023	SELL Payment of exercise price or tax liability	$4,513 $5.75 p/Share	785 Reduced 1.22%	63,528 Common Stock
Mar 15 2023	BUY Grant, award, or other acquisition	-	20,428 Added 24.11%	64,313 Common Stock
Mar 13 2023	SELL Payment of exercise price or tax liability	$5,064 $5.32 p/Share	952 Reduced 2.15%	43,254 Common Stock
Mar 06 2023	SELL Payment of exercise price or tax liability	$2,150 $5.78 p/Share	372 Reduced 0.83%	44,206 Common Stock
Sep 06 2022	BUY Grant, award, or other acquisition	-	1,121 Added 2.46%	44,502 Common Stock

David Johanson

SVP-Project Acquisition & Ops

Houston, TX

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