Vivienne Schiffer - 17 Mar 2025 Form 4 Insider Report for Great Lakes Dredge & Dock CORP (GLDD)

Role
SVP, CLO, CCO & Corp Secretary
Signature
/s/Vivienne R. Schiffer
Issuer symbol
GLDD
Transactions as of
17 Mar 2025
Net transactions value
-$79,092
Form type
4
Filing time
18 Mar 2025, 17:08:50 UTC
Previous filing
07 May 2024
Next filing
07 May 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GLDD Common Stock Tax liability $16,217 -1,864 -3.7% $8.70 48,681 17 Mar 2025 Direct
transaction GLDD Common Stock Award +14,043 +29% 62,724 17 Mar 2025 Direct F1
transaction GLDD Common Stock Tax liability $29,754 -3,420 -5.5% $8.70 59,304 17 Mar 2025 Direct
transaction GLDD Common Stock Tax liability $11,084 -1,274 -2.1% $8.70 58,030 17 Mar 2025 Direct
transaction GLDD Common Stock Award +10,402 +18% 68,432 17 Mar 2025 Direct F2
transaction GLDD Common Stock Tax liability $22,037 -2,533 -3.7% $8.70 65,899 17 Mar 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares awarded pursuant to satisfaction of performance conditions per the terms of Ms. Schiffer's performance-based restricted stock units granted on March 15, 2023.
F2 Represents shares awarded pursuant to satisfaction of performance conditions per the terms of Ms. Schiffer's performance-based restricted stock units granted on March 15, 2024.