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Mark Whittenburg

General Counsel and Secretary at Core & Main
Executive

About Mark Whittenburg

Mark G. Whittenburg is General Counsel and Secretary of Core & Main, Inc., serving at the company level since April 2021, at Core & Main Holdings, LP since August 2019, and at Opco since September 2017. He holds a B.A. in Biology (Hanover College) and a J.D. (University of Cincinnati College of Law), and previously held senior legal and compliance roles at GE (15 years) and Autoliv ASP (Vice President of Legal for Asia, 2014–2017) . He is 58 years old . Company performance under the current leadership has been strong: fiscal 2024 net sales were “over $7.4 billion,” net income $434 million, Adjusted EBITDA $930 million, and total shareholder return 39% .

Past Roles

OrganizationRoleYearsStrategic Impact
Autoliv ASP, Inc.Vice President of Legal for Asia2014–2017Led Asia legal operations; cross-border compliance and commercial execution
GEGeneral Counsel, GE Intelligent Platforms; Chief Compliance Officer, GE China15 yearsGlobal compliance governance; business legal leadership across complex industrial businesses
Private PracticeAttorney6 yearsFoundational corporate and commercial legal experience

External Roles

OrganizationRoleYearsNotes
None disclosedNo current public company directorships or committee roles disclosed for Whittenburg in the proxy

Fixed Compensation

No base salary, target bonus %, or actual bonus paid for Mark Whittenburg is disclosed in the 2025 proxy, as he was not a named executive officer (NEO) for fiscal 2024 .

Performance Compensation

Special performance share award (PSA) granted in connection with CEO/CFO succession program:

MetricWeightTargetMaximumPayout MechanicsPerformance PeriodVesting
Fiscal 2028 Net Sales25%$10.0B$11.7B100% of PSAs at Target; 200% at Max; No threshold2025–2028March 31, 2029
Fiscal 2028 Adjusted EBITDA75%$1.5B$1.75B100% of PSAs at Target; 200% at Max; No threshold2025–2028March 31, 2029

Additional details:

  • Target grant-date value for Whittenburg’s special PSA: $1,500,000 .
  • Award is 100% PSAs; designed to support leadership continuity and align with long-term financial goals .

Equity Ownership & Alignment

ItemDetail
Total beneficial ownershipNot individually disclosed in the 2025 proxy ownership table (table focuses on directors and NEOs)
Stock ownership guidelinesSection 16 officers must hold stock equal to 3× base salary; all covered persons currently satisfy guidelines
Holding requirementsUntil minimum ownership is achieved, must retain 50% of net shares from option exercises/RSU vesting
Hedging/PledgingCompany policy prohibits hedging, pledging, and short sales for directors, executive officers, and associates
10b5-1 trading planAdopted July 15, 2025 to sell up to 50,000 shares between Oct 14, 2025 and Apr 14, 2026 (potential scheduled selling pressure)
Form 4 compliance noteOne delinquent Form 4 filed disclosing prior share forfeitures for tax withholding upon RSU vesting
Management Feeder governanceWhittenburg is one of the managers of Core & Main Management Feeder, LLC, which holds Partnership Interests paired with Class B shares and exchange rights

Employment Terms

ProvisionDetail
Employment role and tenureGeneral Counsel & Secretary at CNM since April 2021; Holdings since Aug 2019; Opco since Sept 2017
Employment agreementNot disclosed for Whittenburg in the proxy’s employment agreements section (LeClair, Witkowski, Cowles, Huebert are covered)
Severance/change-in-controlNot disclosed specifically for Whittenburg; Company Omnibus Plan generally provides acceleration on death/disability and change-in-control only if awards are not assumed; otherwise double-trigger applies to substitute awards
ClawbackDodd-Frank Clawback Policy for current/former executive officers covering excess incentive-based compensation for three-year recovery period upon restatement; additional clawback policy for non-exec employees
Insider trading policyProhibits trading while in possession of MNPI; prohibits hedging, pledging, short sales

Company Performance Context

MetricFY 2022FY 2023FY 2024FY 2025
Revenues ($USD Millions)5,004 [*]6,651 [*]6,702 [*]7,441 [*]
EBITDA ($USD Millions)580 [*]923 [*]894 [*]913 [*]

Values retrieved from S&P Global.*

Notes:

  • Proxy highlights fiscal 2024 “record net sales of over $7.4 billion,” net income $434 million, and Adjusted EBITDA $930 million; total shareholder return 39% .

Compensation Committee & Say-on-Pay Context

  • Talent & Compensation Committee uses Pearl Meyer as independent consultant; references 50th and 75th percentile market levels and industrial distribution peers (e.g., FAST, GWW, WESCO, WAT, POOL, TOPB, SITE, etc.) to inform design and grant values .
  • Say-on-Pay (fiscal 2024 NEO compensation) approval: 86% of votes cast (including abstentions) .

Investment Implications

  • Long-horizon PSAs tied to hard financial targets ($10B net sales and $1.5B Adjusted EBITDA by FY28) align Whittenburg’s incentives with top-line and profitability milestones; vesting in 2029 supports retention through the strategic plan period .
  • Adoption of a Rule 10b5-1 plan to sell up to 50,000 shares between Oct 2025 and Apr 2026 signals scheduled supply that could create modest near-term selling pressure depending on liquidity; plan-based sales reduce informational asymmetry risk .
  • Governance and alignment are reinforced by strict ownership guidelines (3× salary for Section 16 officers), retention requirements on vested equity, and prohibition of hedging/pledging, which lowers misalignment and leverage risk .
  • Clawback framework (Dodd-Frank compliant) and conservative change-in-control treatment of equity (double-trigger for assumed awards) mitigate pay-for-performance slippage and windfall risk .
  • As a manager of Management Feeder, Whittenburg is positioned within CNM’s Up‑C structure that features exchange rights and TRA economics; while not a direct compensation lever, it informs potential future exchanges and capital flows under the structure .

Overall, incentives are heavily performance-based and retention-oriented via PSAs; trading activity appears structured and compliant; absence of disclosed individual severance terms suggests retention is primarily driven by long-term equity rather than guaranteed cash protections .