Buck Robert M (CIK 1644960) reported 14 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-07-01). Recent activity: Sell BLD (40,372 shares), Sell BLD (10,327 shares), Sell BLD (23,688 shares), Buy CNM (2,799 shares), Buy BLD (4,294 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-01 | QXO Insulation, LLC (BLD) | CEO | Sell | 40,372 | $0 |
| 2026-07-01 | QXO Insulation, LLC (BLD) | CEO | Sell | 10,327 | $0 |
| 2026-07-01 | QXO Insulation, LLC (BLD) | CEO | Sell | 23,688 | $0 |
| 2026-06-24 | Core & Main, Inc. (CNM) | Director | Buy | 2,799 | $0 |
| 2026-02-18 | TopBuild Corp (BLD) | President and CEO | Buy | 4,294 | $2.3M |
| 2026-02-18 | TopBuild Corp (BLD) | President and CEO | Buy | 3,220 | $1.8M |
| 2026-02-18 | TopBuild Corp (BLD) | President and CEO | Buy | 3,220 | $1.8M |
| 2025-12-12 | TopBuild Corp (BLD) | President and CEO | Sell | 5,000 | $2.3M |
| 2025-11-10 | TopBuild Corp (BLD) | President and CEO | Sell | 5,000 | $2.1M |
| 2025-08-08 | TopBuild Corp (BLD) | President and CEO | Sell | 7,350 | $3.1M |
| 2025-06-26 | Core & Main, Inc. (CNM) | Director | Buy | 2,189 | $0 |
| 2025-02-20 | TopBuild Corp (BLD) | President and CEO | Buy | 6,598 | $2.1M |
| 2025-02-20 | TopBuild Corp (BLD) | President and CEO | Buy | 4,949 | $1.6M |
| 2025-02-20 | TopBuild Corp (BLD) | President and CEO | Buy | 4,949 | $1.6M |
Source: SEC Form 4 filings · as of 2026-07-01