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Louise S. Sams

Board Chair at COSTAR GROUPCOSTAR GROUP
Board

About Louise S. Sams

Independent Board Chair at CoStar Group since 2019; age 67. Former EVP & General Counsel of Turner Broadcasting (2000–2019) and President of Turner Broadcasting System International (2003–2012); earlier an M&A and securities associate at White & Case. Education: B.A. (Princeton), J.D. (University of Virginia). Current public boards: Loop Industries and Rollins; prior: D&Z Media Acquisition Corp (2021–2023). Determined independent under Nasdaq rules.

Past Roles

OrganizationRoleTenureCommittees/Impact
Turner Broadcasting System, Inc.Executive Vice President & General Counsel2000–2019Led global legal, governance, risk management
Turner Broadcasting System International, Inc.President2003–2012Oversaw international strategy/operations
White & Case LLPAssociate (M&A, Securities)Pre-1993Transactional execution, capital markets

External Roles

OrganizationRoleTenureCommittees/Impact
Loop Industries, Inc. (public)DirectorCurrent
Rollins, Inc. (public)DirectorCurrent
D&Z Media Acquisition Corp (public)Director2021–2023SPAC governance
Princeton UniversityDirectorCurrentHigher-ed governance
High Museum of Art (Atlanta)DirectorCurrentNonprofit oversight
Westminster Schools; Meals on Wheels (Atlanta)DirectorCurrentCommunity engagement

Board Governance

  • Board Chair; independent. Responsibilities include presiding meetings, leading board process, guiding CEO/management, engaging stockholders, and representing the Board.
  • Independence: Board determined Sams independent; executive sessions of independent directors are held at Board meetings.
  • Attendance: Board held 7 meetings in 2024; each director attended at least 75% of Board and committee meetings.
  • Committee assignments (2024 actual and post-2025 AGM expected):
    • 2024: Audit member; Compensation member; Nominating & Corporate Governance Chair.
    • Effective after 2025 Annual Meeting: Audit member; Nominating & Corporate Governance Chair (Compensation membership rotates off).
  • Board refreshment: 50% refresh over two years; adoption of retirement policy (no nomination if ≥75 at election absent Board waiver). Sams appointed Board Chair in April 2025 amid refresh.

Fixed Compensation

Component (2024)AmountNotes
Cash retainer$50,000Paid biannually; reimbursed reasonable expenses
Stock awards (grant-date fair value)$265,037Annual restricted stock; vests in four equal annual installments
Unvested restricted shares (12/31/2024)8,836Outstanding and unvested as of year-end
Policy schedule (standard grant values)Board: $250,000; Audit Chair: $30,000; Audit member: $15,000; Compensation Chair: $25,000; Compensation member: $12,000; Nominating Chair: $25,000; Nominating member: $12,000Granted around first regular Board meeting post-Annual Meeting; converted to shares at grant closing price; four-year pro-rata vesting
  • Director stock ownership guideline: 5× annual standard director cash retainer; all current directors in compliance. Hedging and pledging prohibited.

Performance Compensation

Performance Metrics tied to Director CompensationDisclosure
NoneNon-employee director equity is time-based restricted stock; no director-specific performance metrics disclosed

Other Directorships & Interlocks

CompanySectorRolePotential Interlock/Conflict
Loop Industries, Inc.Plastics recyclingDirectorNo related-party transactions disclosed for 2024
Rollins, Inc.Pest control servicesDirectorNo related-party transactions disclosed for 2024
D&Z Media Acquisition CorpSPACFormer DirectorHistorical only; no current exposure
  • Related party transactions: None occurred in 2024 between CoStar and any Related Party. Audit Committee oversees policy.

Expertise & Qualifications

  • Legal, regulatory, corporate governance, M&A (34+ years legal practice; media executive experience).
  • Public company board leadership; risk management; technology/media familiarity.
  • Education: Princeton (B.A., English); University of Virginia School of Law (J.D.).
  • The Board highlights skills mix including legal/regulatory, risk, public company governance; Sams fits these domains.

Equity Ownership

MetricValue
Total beneficial ownership (shares)16,118 (includes 8,836 restricted)
Ownership as % of shares outstanding~0.0038% (16,118 / 421,762,323)
Vested vs. unvested8,836 restricted shares unvested
Pledging/HedgingProhibited; no current director has pledged shares per policy

Governance Assessment

  • Board leadership and independence: As independent Board Chair and Nominating & Corporate Governance Chair, Sams strengthens oversight, succession, and refresh; executive sessions reinforce independence.
  • Committee effectiveness: Expected committee structure post-AGM places Sams over governance and on Audit—aligning with her legal/compliance background.
  • Alignment: Material equity component and stock ownership guideline compliance support shareholder alignment; director comp predominantly stock-based (for Sams: ~$265k stock vs $50k cash, ~84% stock).
  • Conflicts/related-party exposure: None disclosed for 2024; anti-hedging/pledging and clawback policies in place.
  • Shareholder signals: High 2024 say-on-pay support (≈92%); proactive board refresh and retirement policy bolster investor confidence.
  • RED FLAGS: Administrative late Form 4 filings for all seven active non-employee directors on Aug 5, 2024 (grant reporting), attributed to company error; monitor future Section 16 timeliness.

Overall: Sams’ legal/governance expertise, independent chairmanship, and roles on Audit and Nominating position her as a stabilizing force for board effectiveness and investor confidence, with low conflict risk and strong alignment to shareholders through equity-heavy compensation and ownership policies.