Bolanowski Katherine sold ROCK
March 4, 2026 · Form 4 insider transaction
Bolanowski Katherine sold 2,601 shares of Gibraltar Industries, Inc. at $43.05 per share, a transaction worth $112.0K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
2,601
Price
$43.05
Total value
$112.0K
InsiderBolanowski Katherine
Role—
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateMarch 4, 2026
Filing dateMarch 5, 2026
Shares owned after15,989
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents shares withheld to cover the tax withholding obligation related to the vesting on March 1, 2026 of the Reporting Person's Performance Stock Units.