William H. Hanson - Feb 28, 2022 Form 4 Insider Report for Great Lakes Dredge & Dock CORP (GLDD)

Signature
/s/Vivienne R. Schiffer, by Power of Attorney
Stock symbol
GLDD
Transactions as of
Feb 28, 2022
Transactions value $
-$15,734
Form type
4
Date filed
3/2/2022, 07:39 PM
Previous filing
Jun 29, 2021
Next filing
Mar 9, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLDD Common Stock Options Exercise $12.2K +1.89K +6.77% $6.45 29.8K Feb 28, 2022 Direct
transaction GLDD Common Stock Sale -$15.7K -1.12K -3.75% $14.06 28.7K Feb 28, 2022 Direct F1

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 Employee Stock Option Options Exercise -$12.2K -1.89K -100% $6.45 0 Feb 28, 2022 Common Stock 1.89K $6.45 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents total number of shares sold to cover the exercise price and applicable taxes in connection with the exercise of the underlying options.
F2 Represents an exercise of vested employee stock options granted on June 6, 2012 under the Great Lakes Dredge & Dock Corporation 2007 Long-Term Incentive Plan.
F3 The options vested in three equal installments beginning June 6, 2013.