SEC Insider Transactions from Bolanowski Katherine.

Last updated: 2026-04-01 21:05 UTC | Total transactions: 32

Bolanowski Katherine has filed 32 insider transactions across 1 company since December 2022.

Most recent transaction: a grant/award of 239 shares of GIBRALTAR INDUSTRIES, INC. ($ROCK) on March 31, 2026.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 31, 2026 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 240 $0.00 7,020.6600 34,476,000 3.54% 0.00%
March 6, 2026 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 438 $0.00 6,780.9500 34,476,000 6.90% 0.00%
March 4, 2026 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary F Common Stock 2601 $43.05 15,989.0000 34,476,000 13.99% 0.01%
March 3, 2026 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary F Common Stock 286 $43.83 18,590.0000 34,476,000 1.52% 0.00%
March 2, 2026 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Common Stock 3410 $0.00 18,876.0000 34,476,000 22.05% 0.01%
March 1, 2026 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary F Common Stock 739 $45.48 15,466.0000 34,476,000 4.56% 0.00%
Dec. 31, 2025 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 172 $0.00 6,343.0900 34,476,000 2.78% 0.00%
Sept. 30, 2025 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 183 $0.00 6,171.4200 34,419,000 3.06% 0.00%
June 30, 2025 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 172 $0.00 5,987.9800 34,313,000 2.95% 0.00%
March 31, 2025 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 177 $0.00 5,816.1900 34,313,000 3.14% 0.00%
March 7, 2025 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 638 $0.00 5,639.1700 34,313,000 12.75% 0.00%
March 3, 2025 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Common Stock 2302 $0.00 16,205.0000 34,313,000 16.56% 0.01%
March 1, 2025 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary F Common Stock 1694 $65.71 13,903.0000 34,313,000 10.86% 0.00%
Feb. 18, 2025 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Common Stock 932 $0.00 15,597.0000 34,313,000 6.36% 0.00%
Dec. 31, 2024 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 136 $0.00 5,001.5200 34,298,000 2.80% 0.00%
Nov. 1, 2024 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Common Stock 900 $0.00 14,665.0000 34,298,000 6.54% 0.00%
Sept. 30, 2024 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 155 $0.00 4,865.3900 34,274,000 3.29% 0.00%
June 30, 2024 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 127 $0.00 4,710.3000 34,219,000 2.78% 0.00%
March 31, 2024 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 132 $0.00 4,582.8100 34,219,000 2.97% 0.00%
March 8, 2024 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 1371 $0.00 4,450.5900 34,219,000 44.50% 0.00%
March 1, 2024 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary F Common Stock 545 $77.70 11,954.0000 34,219,000 4.36% 0.00%
March 1, 2024 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Common Stock 1811 $0.00 13,765.0000 34,219,000 15.15% 0.01%
Feb. 20, 2024 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Common Stock 5788 $0.00 12,499.0000 34,219,000 86.25% 0.02%
Dec. 31, 2023 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 131 $0.00 3,080.0400 0 4.43% 0.00%
Sept. 30, 2023 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 152 $0.00 2,949.4500 0 5.44% 0.00%
June 30, 2023 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 165 $0.00 2,797.2500 0 6.27% 0.00%
March 31, 2023 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 198 $0.00 2,632.2500 0 8.12% 0.00%
March 10, 2023 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 1167 $0.00 2,434.5300 0 92.00% 0.00%
March 1, 2023 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary F Common Stock 259 $53.44 4,541.0000 0 5.40% 0.00%
March 1, 2023 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Common Stock 2170 $0.00 6,711.0000 0 47.79% 0.00%
Feb. 21, 2023 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Common Stock 1905 $0.00 4,800.0000 0 65.80% 0.00%
Dec. 31, 2022 GIBRALTAR INDUSTRIES, INC. $ROCK Bolanowski Katherine General Counsel, VP, Secretary A Restricted Stock Unit (2018 MSPP Match) 178 $0.00 1,267.9800 0 16.32% 0.00%