
Senior Equity Administrator, CoStar Group – Arlington, VA or Richmond, VA
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Who is CoStar Group?
CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.
We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate
Senior Equity Administrator
Richmond, VA orArlington, VA | In-office, Monday–Friday
We are open to providing relocation support for the right candidate.
CoStar Group is seeking a Senior Equity Administratorto serve as thehands-onsubject matter expert responsible for theaccurateadministration, compliance,and continuousimprovement of the company’s global equity compensation programs and Employee Stock Purchase Plan (ESPP), as well as support for executive equity and proxy disclosure requirements. Provides deep technicalexpertiseand ensuresaccurate, compliant, and scalable delivery of equity processes across multiple countries.
Key Responsibilities
Global Equity Plan Administration
Administer global equity programs, including RSAs, RSUs, PSUs, and stock options across multiplejurisdictions
Manage the full lifecycle of equity awards, including grant processing, vesting, exercises, releases, and cancellations, ensuring accuracy and timeliness.
Build strong partnerships with Legal, Payroll, and Accounting to support efficient and compliant administration of equity plans.
Coordinate with regional stakeholders to address country-specific requirements, including tax, securities, and payroll considerations.
Lead end-to-end administration of the ESPP, including enrollments, offering launches, purchase calculations, share reconciliations, and payroll deductions.
Compliance, Governance & Executive Equity
Ensure compliance with applicable regulatory requirements, including IRC Section 423, 409A, Section 16, Rule 144, and global securities laws.
Support administration of executive equity transactions, including pre-clearance, trading windows, and coordination with legal counsel.
Maintain strong internal controls and audit readiness across equity programs.
Proxy & Reporting Support
Partner with Legal, Finance, and Compensation teams to support equity-related disclosures in the proxy statement (e.g., equity tables, CD&A support, footnotedata validation).
Assistin preparation of reports supporting financial disclosures under ASC 718, including grant date fair value and expense tracking.
Support data validation for SEC filings and other external reporting requirements.
Systems & Data Management
Maintain andoptimizestock plan administration system (Shareworks), ensuring data accuracy and integrity.
Reconcile equity data across HRIS, payroll, and equity platforms.
Support system implementations, upgrades, and integrations.
Employee & Stakeholder Support
Serve as a subject matter expert to employees, executives, HR partners, and leaders on equity programs and ESPP participation.
Develop and deliver clear communications and educational materials to enhance understanding of equity compensation.
Process Improvement & Projects
Identifyand implement process improvements to enhance efficiency, control, and employee experience.
Lead or support special projects, including new country rollouts, plan amendments, or programenhancements.
Scope & Impact
Recognized as a technical expertin equity administration, particularly in ESPP and global program execution.
Owns complex, high-risk processes, including executive transactions and proxy data support.
Operates independently with minimal supervision
Influences cross-functional stakeholders (Legal, Tax, Payroll, Finance) through deep subject matterexpertise
Basic Qualifications
Bachelor’s degree in Finance, Accounting, Human Resources, or related field froman accredited, not-for-profit, in-person college/university
5+ years of experience in equity compensation administration.
2+ years of experience administering equity compensation programs at alarge corporateorganization
Strong knowledge of global equity administration, tax, and regulatory requirements (including Section 423, 409A, Section 16, Rule 144).
Experience supporting proxy disclosures and ASC 718 financial reporting processes.
Advanced Excel/data analysis skills; high attention to detail and control orientation.
Experience with stock plan administration platforms (e.g., Fidelity, Morgan Stanley/E*TRADE,Shareworks).
A track recordof commitment to prior employers.
Preferred Qualifications
ESPP experience.
Certified Equity Professional (CEP) designation or progress toward certification.
Exposure to or interest in AI-enabled HR tools and technologies
What’s In It For You?
If you are a driven professional looking for a high-growth, high-reward career, CoStar Group offers the ideal opportunity. Be part of a best-in-class company with strong year-over-year growth that invests in your success. Enjoy a rewarding atmosphere where you can learn, excel, and grow.
When you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed.
We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training and tuition reimbursement.
Our benefits package includes (but is not limited to):
Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug
Life, legal, and supplementary insurance
Virtual and in person mental health counseling services for individuals and family
Commuter and parking benefits
401(K) retirement plan with matching contributions
Employee stock purchase plan
Paid time off
Tuition reimbursement
On-site fitness center and/or reimbursed fitness center membership costs (location dependent)
Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups
Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks
Sponsorship
We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position.
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CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives.
CoStar Group’s major brands include CoStar, a leading global provider of commercial real estate data, analytics, and news; LoopNet, the most trafficked commercial real estate marketplace; Apartments.com, the leading platform for apartment rentals; Homes.com, the fastest-growing residential real estate marketplace; and Domain, one of Australia’s leading property marketplaces. CoStar Group’s industry-leading brands also include Matterport, a leading spatial data company whose platform turns buildings into data to make every space more valuable and accessible, STR, a global leader in hospitality data and benchmarking; Ten-X, an online platform for commercial real estate auctions and negotiated bids; and OnTheMarket, a leading residential property portal in the United Kingdom.
CoStar Group’s websites attracted over 143 million average monthly unique visitors in the third quarter of 2025, serving clients around the world. Headquartered in Arlington, Virginia, CoStar Group is committed to transforming the real estate industry through innovative technology and comprehensive market intelligence. From time to time, we plan to utilize our corporate website as a channel of distribution for material company information. For more information, visit CoStarGroup.com.