🕵️ Gibraltar Industries, Inc. ($ROCK)
SEC insider & ownership activity, last 12 months · CIK 912562 · every row links its SEC filing
Over the last 12 months insiders bought $1.6M with no open-market selling against it. William T. Bosway bought $1.0M (Mar–May). Alliancebernstein L.p. added 5.8% → 7.4%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
4 buyers, $1.6M (8 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| William T. Bosway | 4 | $1.0M | 0 | – | May 26, 2026 |
| James S. Metcalf | 1 | $502K | 0 | – | Mar 10, 2026 |
| Bolanowski Katherine | 2 | $50K | 0 | – | May 21, 2026 |
| Joseph A. Lovechio | 1 | $35K | 0 | – | May 20, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 15.3% | 13G | Apr 28, 2025 | filing ↗ | |
| FMR LLC | 15.0% | 13G | May 6, 2026 | filing ↗ | |
| Abigail P. Johnson | 15.0% | 13G | May 6, 2026 | filing ↗ | |
| Alliancebernstein L.p. | 7.4% | 13G | May 18, 2026 | filing ↗ | |
| Wellington Management Company LLP | 6.6% | 13G | May 12, 2025 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Other events (8.01) | Jul 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 16, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 8, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 3, 2026 | filing ↗ |
| Earnings (2.02) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Other events (8.01) | Feb 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 2, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 2, 2026 | filing ↗ |
| Agreement terminated (1.02) | Feb 2, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Feb 2, 2026 | filing ↗ |
| New financial obligation (2.03) | Feb 2, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 2, 2026 | filing ↗ |
| Other events (8.01) | Jan 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 22, 2026 | filing ↗ |
| Earnings (2.02) | Jan 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 21, 2026 | filing ↗ |
| Material agreement (1.01) | Nov 16, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 16, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 16, 2025 | filing ↗ |
| Earnings (2.02) | Oct 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 30, 2025 | filing ↗ |
| Earnings (2.02) | Aug 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2025 | filing ↗ |