Great Lakes Dredge & Dock CORP — Director's Dealing 2021

Apr 22, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Great Lakes Dredge & Dock CORP (GLDD)
CIK: 0001372020
Period of Report: 2021-04-19

Reporting Person: Simonelli David E (Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-19	Common Stock	S	10913	$15.1365	Disposed	270400	Direct

Footnotes

F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 16, 2020.

F2: Represents the weighted average price. The shares were sold in multiple transactions ranging from $15.00 to $15.23, inclusive. Upon request by the Commission staff, the issuer or security holder of the issuer, the reporting person will provide information regarding the number of shares disposed of at each separate price.