Ronald Steger - 31 Mar 2025 Form 4 Insider Report for Great Lakes Dredge & Dock CORP (GLDD)

Role: Director
Signature: /s/Vivienne R. Schiffer, by Power of Attorney
Issuer symbol: GLDD
Transactions as of: 31 Mar 2025
Net transactions value: $0
Form type: 4
Filing time: 01 Apr 2025, 20:48:28 UTC
Previous filing: 03 Jan 2025
Next filing: 04 Jun 2025
SEC: View on sec.gov

This filing has been restated, see here for the amended filing

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	GLDD	Common Stock						25,404	31 Mar 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	GLDD	Deferred Stock Units	Award	$0	+5,474	+16%	$0.000000	39,066	31 Mar 2025	Common Stock	5,474		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Deferred Stock Units ("DSUs") granted March 31, 2025 and deferred pursuant to the Company's Director Deferral Plan. The DSUs will be payable in common stock on a 1-for-1 basis on the date upon which Mr. Steger's board service ends.