Arkolith/Insider Trading/ROCK/Form 4

Bolanowski Katherine

General Counsel, VP, SecretaryGIBRALTAR INDUSTRIES, INC. (ROCK) · full profile →Form 4 · filed Mar 4, 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
Mar 3, 2026Tax withholding(F)286$43.83$13K19K
Mar 2, 2026Grant(A)3K—$019K

Transaction Codes

F
Shares withheld for taxes
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000912562-26-000041) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML