Buck Robert M
SEC insider (Form 3/4/5 filer). CIK 0001644960. CEO at QXO Insulation, LLC (BLD) and 1 other issuer. 14 reported Form 4/5 transactions since Sep 2024; latest on Jul 1, 2026. Located in DAYTONA BEACH, FL.
Companies Buck Robert M has filed insider reports for
- QXO Insulation, LLC (BLD): Director, Officer, CEO
- Core & Main, Inc. (CNM): Director
Buck Robert M
CIK: 0001644960
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)3 (21.4%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)8 (57.1%)
Compensation grants
Other (G, F, J, C, D, …)3 (21.4%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Jul 1, 2026BLD
QXO Insulation, LLC
DispositionDirect40.4K shares- - Jul 1, 2026BLD
QXO Insulation, LLC
DispositionDirect23.7K shares- - Jul 1, 2026BLD
QXO Insulation, LLC
DispositionDirect10.3K shares- - Jun 23, 2026CNM
Core & Main, Inc.
AwardDirect2.8K shares- - Feb 17, 2026BLD
TopBuild Corp
AwardDirect3.2K shares at avg. $545.06$1.8M - Feb 17, 2026BLD
TopBuild Corp
AwardDirect4.3K shares at avg. $545.06$2.3M - Feb 17, 2026BLD
TopBuild Corp
AwardDirect3.2K shares at avg. $545.06$1.8M - Dec 11, 2025BLD
TopBuild Corp
SaleDirect5K shares at avg. $453.39$2.3M - Nov 7, 2025BLD
TopBuild Corp
SaleDirect5K shares at avg. $418.01$2.1M - Aug 7, 2025BLD
TopBuild Corp
SaleDirect7.4K shares at avg. $415.19$3.1M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 1, 2026 |  BLD QXO Insulation, LLC | Disposition | 40,372 | - | $0 | Direct |
| Jul 1, 2026 | BLD QXO Insulation, LLC | Disposition | 23,688 | - | $0 | Direct |
| Jul 1, 2026 | BLD QXO Insulation, LLC | Disposition | 10,327 | - | $0 | Direct |
| Jun 23, 2026 |  CNM Core & Main, Inc. | Award | 2,799 | - | $0 | Direct |
| Feb 17, 2026 | BLD TopBuild Corp | Award | 3,220 | $545.06 | $1,755,093 | Direct |
| Feb 17, 2026 | BLD TopBuild Corp | Award | 4,294 | $545.06 | $2,340,488 | Direct |
| Feb 17, 2026 | BLD TopBuild Corp | Award | 3,220 | $545.06 | $1,755,093 | Direct |
| Dec 11, 2025 | BLD TopBuild Corp | Sale | 5,000 | $453.39 | $2,266,950 | Direct |
| Nov 7, 2025 | BLD TopBuild Corp | Sale | 5,000 | $418.01 | $2,090,050 | Direct |
| Aug 7, 2025 | BLD TopBuild Corp | Sale | 7,350 | $415.19 | $3,051,647 | Direct |
1-10 of 14 transactions