Arkolith/Insider Trading/GLDD/Form 4

Dickerson Lawrence R

DirectorGreat Lakes Dredge & Dock CORP (GLDD) · full profile →Form 4 · filed Apr 1, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
1 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Apr 1, 2026Tender(U)86K——0

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Apr 1, 2026Disposed to issuer(D)77K——0
Mar 31, 2026Grant(A)3K—$077K

Transaction Codes

U
See SEC Form 4 code table
D
Disposition to the issuer
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-137836) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML

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