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Gibraltar Industries stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions−45.5% to $32.47
Gibraltar Industries (ROCK) stock fell 45% over the last 252 sessions, to $32.47. On the way it reported 4 quarters, its insiders filed 7 open-market trades, and the company filed 4 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 5, 2026 | Earnings | Earnings: missed the EPS estimate by -16.0% | −31.9% (−27.3% vs SPY) | — | — |
| Oct 15, 2026 | 8-K | Material definitive agreement | +6.8% (+6.5% vs SPY) | +5.6% (+5.1% vs SPY) | — |
| Aug 5, 2026 | Earnings | Earnings: beat the EPS estimate by 9.1% | +13.2% (+13.4% vs SPY) | +3.5% (+3.6% vs SPY) | −8.3% (−7.5% vs SPY) |
| May 26, 2026 | Insider buy | Bosway William T bought $739K | +0.8% (+0.1% vs SPY) | +1.5% (−0.2% vs SPY) | +15.0% (+16.4% vs SPY) |
| May 21, 2026 | Insider buy | Bolanowski Katherine bought $50K | +1.1% (+0.9% vs SPY) | +11.0% (+9.2% vs SPY) | +12.9% (+12.3% vs SPY) |
| May 20, 2026 | Insider buy | Lovechio Joseph A bought $35K | +3.9% (+2.8% vs SPY) | +15.5% (+13.3% vs SPY) | +19.0% (+17.0% vs SPY) |
| May 7, 2026 | Earnings | Earnings: missed the EPS estimate by -7.2% | −0.8% (−0.5% vs SPY) | +0.8% (−0.3% vs SPY) | −2.5% (−3.0% vs SPY) |
| Apr 3, 2026 | 8-K | Directors and officers: departures, appointments, pay | −1.6% (−2.0% vs SPY) | +3.3% (−0.3% vs SPY) | −5.2% (−14.2% vs SPY) |
| Mar 13, 2026 | Insider buy | Bosway William T bought $41K | −2.6% (−2.0% vs SPY) | −5.6% (−4.7% vs SPY) | −1.9% (−5.1% vs SPY) |
| Mar 10, 2026 | Insider buy | Metcalf James S bought $502K | +5.7% (+5.9% vs SPY) | +6.5% (+7.9% vs SPY) | +3.4% (+3.5% vs SPY) |
| Mar 10, 2026 | Insider buy | Bosway William T bought $59K | +5.7% (+5.9% vs SPY) | +6.5% (+7.9% vs SPY) | +3.4% (+3.5% vs SPY) |
| Mar 9, 2026 | Insider buy | Bosway William T bought $172K | −2.6% (−3.5% vs SPY) | +2.5% (+4.1% vs SPY) | −4.5% (−2.8% vs SPY) |
| Feb 26, 2026 | Earnings | Earnings: beat the EPS estimate by 2.2% | −0.4% (+0.2% vs SPY) | −13.4% (−12.2% vs SPY) | −18.5% (−11.5% vs SPY) |
| Feb 2, 2026 | 8-K | Material definitive agreement | +1.4% (+0.9% vs SPY) | +5.0% (+5.2% vs SPY) | −15.7% (−14.0% vs SPY) |
| Nov 17, 2025 | 8-K | Material definitive agreement | −22.7% (−21.8% vs SPY) | −22.1% (−20.1% vs SPY) | −15.0% (−16.1% vs SPY) |
Insiders’ record here
In the year on the chart, Gibraltar Industries' insiders reported 7 open-market buys ($1.6M) and 0 sales ($0). Of the 7 old enough to score, 3 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was −11.0% and after a sale —.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 1.02 Termination of a material agreement | 2,368 | 0.0% | 51% | +1.1% | ±1.5% |
| 2.01 Completed acquisition or disposition | 2,671 | +0.1% | 52% | +1.2% | ±1.6% |
| 2.03 New debt or off-balance-sheet obligation | 13,268 | 0.0% | 50% | +1.2% | ±1.3% |
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → Gibraltar Industries: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.