Arkolith/Insider Trading/GLDD/Form 4

Schiffer Vivienne

SVP, CLO, CCO & Corp SecretaryGreat 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
2
2 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Apr 1, 2026Grant(A)29K——145K
Apr 1, 2026Tender(U)145K——0

Transaction Codes

A
Grant / award
U
See SEC Form 4 code table

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-138046) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML