MarketPeel
Insider Trading Intelligence
KB

Katherine Bolanowski

ROCK
GENERAL COUNSEL, VP, SECRETARY · GIBRALTAR INDUSTRIES, INC. · CIK 0001914788
FILING MIX · LIFETIME83%/17%
BUYS
33
SELLS
7
TOTAL VALUE
$379.6K
COMPANIES
1
ACTIVE SINCE
Mar 2022
HOLDINGS NOW
7,280
AVG SELL PX
$53.08
TRADE KIND
SHOWING 40 / 40
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
No backtest data available for Katherine Bolanowski. Backtests are computed for purchase (P) and sale (S) transactions with resolvable price history.
Holdings over time
ROCK · 7,279.88 shares · as of Jun 30, 2026
04,7199,43814,15718,8762023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 33 buys / 7 sellsCOVERAGE · 18 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
259.227,279.88Jun 30, 2026Jul 1, 2026View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASE
General Counsel, VP, Secretary
1,256$35.63$44.8K17,245May 21, 2026May 22, 2026View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASE
General Counsel, VP, Secretary
144$35.66$5.1K17,389May 21, 2026May 22, 2026View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
239.717,020.66Mar 31, 2026Apr 1, 2026View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
437.866,780.95Mar 6, 2026Mar 9, 2026View →
ROCK
GIBRALTAR INDUSTRIES, INC.
SALE
General Counsel, VP, Secretary
2,601$43.05$112.0K15,989Mar 4, 2026Mar 5, 2026View →
ROCK
GIBRALTAR INDUSTRIES, INC.
SALE
General Counsel, VP, Secretary
286$43.83$12.5K18,590Mar 3, 2026Mar 4, 2026View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
3,41018,876Mar 2, 2026Mar 4, 2026View →
ROCK
GIBRALTAR INDUSTRIES, INC.
SALE
General Counsel, VP, Secretary
739$45.48$33.6K15,466Mar 1, 2026Mar 3, 2026View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
171.676,343.09Dec 31, 2025Jan 2, 2026View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
183.446,171.42Sep 30, 2025Oct 1, 2025View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
171.795,987.98Jun 30, 2025Jul 1, 2025View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
177.025,816.19Mar 31, 2025Apr 1, 2025View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
637.655,639.17Mar 7, 2025Mar 11, 2025View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
2,30216,205Mar 3, 2025Mar 5, 2025View →
ROCK
GIBRALTAR INDUSTRIES, INC.
SALE
General Counsel, VP, Secretary
1,694$65.71$111.3K13,903Mar 1, 2025Mar 3, 2025View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
93215,597Feb 18, 2025Feb 19, 2025View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
136.135,001.52Dec 31, 2024Jan 2, 2025View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
90014,665Nov 1, 2024Nov 4, 2024View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
155.094,865.39Sep 30, 2024Oct 1, 2024View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
127.494,710.3Jun 30, 2024Jul 1, 2024View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
132.224,582.81Mar 31, 2024Apr 1, 2024View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
1,370.554,450.59Mar 8, 2024Mar 11, 2024View →
ROCK
GIBRALTAR INDUSTRIES, INC.
SALE
General Counsel, VP, Secretary
545$77.70$42.3K11,954Mar 1, 2024Mar 4, 2024View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
1,81113,765Mar 1, 2024Mar 4, 2024View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
5,78812,499Feb 20, 2024Feb 21, 2024View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
130.593,080.04Dec 31, 2023Jan 2, 2024View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
152.22,949.45Sep 30, 2023Oct 2, 2023View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
1652,797.25Jun 30, 2023Jul 5, 2023View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
197.722,632.25Mar 31, 2023Apr 4, 2023View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
1,166.552,434.53Mar 10, 2023Mar 14, 2023View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
2,1706,711Mar 1, 2023Mar 3, 2023View →
ROCK
GIBRALTAR INDUSTRIES, INC.
SALE
General Counsel, VP, Secretary
259$53.44$13.8K4,541Mar 1, 2023Mar 3, 2023View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
1,9054,800Feb 21, 2023Feb 23, 2023View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
177.931,267.98Dec 31, 2022Jan 3, 2023View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
233.571,090.05Sep 30, 2022Oct 3, 2022View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
244.16856.48Jun 30, 2022Jul 1, 2022View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
157.86612.32Mar 31, 2022Apr 1, 2022View →
ROCK
GIBRALTAR INDUSTRIES, INC.
PURCHASEGRANT
Stock grant
1,9682,895Mar 1, 2022Mar 3, 2022View →
ROCK
GIBRALTAR INDUSTRIES, INC.
SALE
General Counsel, VP, Secretary
88$47.00$4.1K927Mar 1, 2022Mar 3, 2022View →
Other insiders · ROCK
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About this filer
CIK 0001914788
ROLE
General Counsel, VP, Secretary
PRIMARY
ROCK
COMPANIES
1
ACTIVE SINCE
Mar 2022
MARKETPEEL · /INSIDER/0001914788DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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