Whittenburg Mark G
SEC insider (Form 3/4/5 filer). CIK 0001866737. General Counsel and Secretary at Core & Main, Inc. (CNM). 31 reported Form 4/5 transactions since Sep 2024; latest on Mar 11, 2026. Located in ST. LOUIS, MO.
Companies Whittenburg Mark G has filed insider reports for
- Core & Main, Inc. (CNM): Officer, General Counsel and Secretary
Whittenburg Mark G
CIK: 0001866737
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Core & Main, Inc.
Discretionary Trading P&L
Holdings
Transaction History (31 total)
- Mar 11, 2026CNM
Core & Main, Inc.
Tax PaymentDirect331 shares at avg. $49.16$16K - Mar 10, 2026CNM
Core & Main, Inc.
Tax PaymentDirect557 shares at avg. $49.38$28K - Mar 9, 2026CNM
Core & Main, Inc.
Tax PaymentDirect278 shares at avg. $49.96$14K - Dec 31, 2025CNM
Core & Main, Inc.
GiftIndirectClass B Common Stock and Limited Partnership Interests
25.5K shares- - Jun 9, 2025CNM
Core & Main, Inc.
OtherDirectClass B Common Stock and Limited Partnership Interests
49.1K shares- - Jun 9, 2025CNM
Core & Main, Inc.
ConversionDirect49.1K shares- - Jun 9, 2025CNM
Core & Main, Inc.
SaleDirect49.1K shares at avg. $60.03$2.9M - Jun 9, 2025CNM
Core & Main, Inc.
OtherIndirectClass B Common Stock and Limited Partnership Interests
49.1K shares- - Jun 6, 2025CNM
Core & Main, Inc.
SaleDirect900 shares at avg. $60.03$54K - Jun 6, 2025CNM
Core & Main, Inc.
OtherIndirectClass B Common Stock and Limited Partnership Interests
900 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 11, 2026 | CNM Core & Main, Inc. | Tax Payment | 331 | $49.16 | $16,272 | Direct |
| Mar 10, 2026 | CNM Core & Main, Inc. | Tax Payment | 557 | $49.38 | $27,505 | Direct |
| Mar 9, 2026 | CNM Core & Main, Inc. | Tax Payment | 278 | $49.96 | $13,889 | Direct |
| Dec 31, 2025 | CNM Core & Main, Inc. | Gift Class B Common Stock and Limited Partnership Interests | 25,500 | - | - | Indirect |
| Jun 9, 2025 | CNM Core & Main, Inc. | Other Class B Common Stock and Limited Partnership Interests | 49,100 | - | - | Direct |
| Jun 9, 2025 | CNM Core & Main, Inc. | Conversion | 49,100 | - | - | Direct |
| Jun 9, 2025 | CNM Core & Main, Inc. | Sale | 49,100 | $60.03 | $2,947,232 | Direct |
| Jun 9, 2025 | CNM Core & Main, Inc. | Other Class B Common Stock and Limited Partnership Interests | 49,100 | - | - | Indirect |
| Jun 6, 2025 | CNM Core & Main, Inc. | Sale | 900 | $60.03 | $54,023 | Direct |
| Jun 6, 2025 | CNM Core & Main, Inc. | Other Class B Common Stock and Limited Partnership Interests | 900 | - | - | Indirect |
1-10 of 31 transactions