Katherine Bolanowski bought $50k of ROCK
General Counsel, VP, Secretary at GIBRALTAR INDUSTRIES, INC.. 1,400 shares at an average of $35.63, traded May 21, 2026, filed May 22, 2026.
Score components
- +15RoleOfficer
- +7Trade size$50k at market
- +3Relative to holdingsHoldings up 9%
- +18Price context5% above the 52-week low; 52% below the 52-week high
- +15Cluster3 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0000912562-26-000120, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 21, 2026 | POpen-market purchase Common Stock | +1,256 | $35.63 | $45k | 17,245 | May 22, 2026 |
| May 21, 2026 | POpen-market purchase Common Stock | +144 | $35.66 | $5,135 | 17,389 | May 22, 2026 |
Related signals
Other insiders at GIBRALTAR INDUSTRIES, INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 77Notable | GIBRALTAR INDUSTRIES, INC. | William T Bosway President and CEO | $739k 19,735 shares | +9% | |
| 64Notable | GIBRALTAR INDUSTRIES, INC. | Joseph A Lovechio VP and CFO | $35k 1,000 shares | +8% | |
| 57Moderate | GIBRALTAR INDUSTRIES, INC. | William T Bosway President and CEO | $41k 1,000 shares | +0% | |
| 69Notable | GIBRALTAR INDUSTRIES, INC. | James S Metcalf director | $502k 12,444 shares | +407% | |
| 64Notable | GIBRALTAR INDUSTRIES, INC. | William T Bosway President and CEO | $232k 6,000 shares | +3% | |
| 32Weak | ROCKsell GIBRALTAR INDUSTRIES, INC. | James B Nish director | $222k 3,842 shares | -24% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.