Bolanowski Katherine (CIK 1914788) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-22). Recent activity: Buy ROCK (1,256 shares), Buy ROCK (144 shares), Sell ROCK (2,601 shares), Buy ROCK (3,410 shares), Sell ROCK (286 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-22 | GIBRALTAR INDUSTRIES, INC. (ROCK) | General Counsel, VP, Secretary | Buy | 1,256 | $44,751 |
| 2026-05-22 | GIBRALTAR INDUSTRIES, INC. (ROCK) | General Counsel, VP, Secretary | Buy | 144 | $5,135 |
| 2026-03-05 | GIBRALTAR INDUSTRIES, INC. (ROCK) | General Counsel, VP, Secretary | Sell | 2,601 | $111,973 |
| 2026-03-04 | GIBRALTAR INDUSTRIES, INC. (ROCK) | General Counsel, VP, Secretary | Buy | 3,410 | $0 |
| 2026-03-04 | GIBRALTAR INDUSTRIES, INC. (ROCK) | General Counsel, VP, Secretary | Sell | 286 | $12,535 |
| 2026-03-03 | GIBRALTAR INDUSTRIES, INC. (ROCK) | General Counsel, VP, Secretary | Sell | 739 | $33,610 |
| 2025-03-05 | GIBRALTAR INDUSTRIES, INC. (ROCK) | General Counsel, VP, Secretary | Buy | 2,302 | $0 |
| 2025-03-03 | GIBRALTAR INDUSTRIES, INC. (ROCK) | General Counsel, VP, Secretary | Sell | 1,694 | $111,313 |
| 2025-02-19 | GIBRALTAR INDUSTRIES, INC. (ROCK) | General Counsel, VP, Secretary | Buy | 932 | $0 |
Source: SEC Form 4 filings · as of 2026-05-22