Arkolith/Insider Trading/GLDD/Form 4

Kornblau Scott Lee

SVP & CFOGreat Lakes Dredge & Dock CORP (GLDD) · full profile →Form 4 · filed Mar 18, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
6
6 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 16, 2026Tax withholding(F)5K$16.93$80K134K
Mar 16, 2026Grant(A)22K——156K
Mar 16, 2026Tax withholding(F)9K$16.93$148K148K
Mar 16, 2026Tax withholding(F)3K$16.93$50K145K
Mar 16, 2026Tax withholding(F)6K$16.93$99K154K
Mar 16, 2026Grant(A)15K——159K

Transaction Codes

F
Shares withheld for taxes
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-114260) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML