Bolanowski Katherine bought ROCK
May 21, 2026 · Form 4 insider transaction
Bolanowski Katherine bought 144 shares of Gibraltar Industries, Inc. at $35.66 per share, a transaction worth $5.1K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
144
Price
$35.66
Total value
$5.1K
InsiderBolanowski Katherine
Role—
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateMay 21, 2026
Filing dateMay 22, 2026
Shares owned after17,389
OwnershipDirect
10b5-1 planNo
AmendedNo