Kathleen M. Shanahan - Mar 31, 2025 Form 4 Insider Report for Great Lakes Dredge & Dock CORP (GLDD)

Role
Director
Signature
/s/Vivienne R. Schiffer, by Power of Attorney
Stock symbol
GLDD
Transactions as of
Mar 31, 2025
Transactions value $
$0
Form type
4
Date filed
4/1/2025, 08:51 PM
Previous filing
Jan 16, 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GLDD Common Stock 70.5K Mar 31, 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 +5.2K +91.28% $0.00 10.9K Mar 31, 2025 Common Stock 5.2K 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 in three equal annual installments beginning January 15, 2026.