Bosway William T (CIK 1675953) reported 13 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-11). Recent activity: Buy STRL (181 shares), Buy ROCK (1,000 shares), Buy ROCK (4,500 shares), Buy ROCK (1,500 shares), Sell ROCK (30,026 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-11 | STERLING INFRASTRUCTURE, INC. (STRL) | Director | Buy | 181 | $0 |
| 2026-03-16 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Buy | 1,000 | $41,370 |
| 2026-03-10 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Buy | 4,500 | $172,305 |
| 2026-03-10 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Buy | 1,500 | $59,295 |
| 2026-03-05 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Sell | 30,026 | $1.3M |
| 2026-03-04 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Buy | 27,801 | $0 |
| 2026-03-04 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Sell | 1,955 | $85,688 |
| 2026-03-03 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Sell | 5,872 | $267,059 |
| 2025-05-09 | STERLING INFRASTRUCTURE, INC. (STRL) | Director | Buy | 751 | $0 |
| 2025-03-10 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Sell | 2,278 | $149,687 |
| 2025-03-05 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Buy | 17,653 | $0 |
| 2025-03-03 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Sell | 15,807 | $1.0M |
| 2025-02-19 | GIBRALTAR INDUSTRIES, INC. (ROCK) | President and CEO | Buy | 11,467 | $0 |
Source: SEC Form 4 filings · as of 2026-05-11