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

Mar 11, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Great Lakes Dredge & Dock CORP (GLDD)
CIK: 0001372020
Period of Report: 2021-03-08

Reporting Person: Simonelli David E (Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-08	Common Stock	S	4252	$15.3022	Disposed	284341	Direct
2021-03-08	Common Stock	A	14593	—	Acquired	298934	Direct
2021-03-08	Common Stock	F	11485	$15.12	Disposed	287447	Direct

Footnotes

F1: Represents the weighted average price. The shares were sold in multiple transactions ranging from $15.30 to $15.32, 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.

F2: Represents shares awarded pursuant to satisfaction of performance conditions per the terms of Mr. Simonelli's performance-based restricted stock units granted on March 8, 2018.