Sr. Manager, Payroll & Equity Administration

Sutro Biopharma, Inc. is looking for a detailed-oriented and results-driven Payroll and Equity Administration professional. This role will manage multi-state payroll and public company equity programs.  They will possess a proven track record of ensuring compliance, streamlining processes, and supporting financial audits and reporting.  Adept at cross-functional collaboration with HR, Finance, and Legal teams to deliver timely and accurate results.

Responsibilities:

Payroll Management

• Oversee end-to-end payroll processing for U.S. employees, ensuring accuracy, compliance, and timeliness.
• Partner with HR, Finance, and ADP to maintain payroll records and resolve discrepancies.
• Ensure compliance with all federal, state, and local tax laws, wage regulations, and reporting requirements.
• Process payroll changes provided by the HR team in the payroll system, including new hires, terminations, salary adjustments, bonuses, and deductions.
• Manage payroll reporting, R&D Time, including annual audits, reconciliations, and financial reporting support.
• Collaborate with Finance on payroll accounting, accruals, and general ledger reconciliation.

Stock Administration

• Administer the company’s equity compensation programs, including stock options, RSUs, ESPP, and other long-term incentives.
• Process equity transactions, ensuring accuracy in grant issuance, vesting, exercises and termination.
• Work with Finance, Legal, and external providers to ensure compliance with SEC reporting, IRS, and other regulatory requirements.
• Provide reporting and analysis on equity compensation for Finance, Legal, and senior leadership.
• Educate employees on equity plans, taxation, and compliance requirements.
• Maintain and improve participant equity education materials.

Compliance & Process Improvement

• Ensure data integrity, reconciling records between Stock Administration, R&D Time and Payroll
• Ensure payroll and stock administration practices align with SOX controls and external regulations.
• Maintain accurate documentation and standard operating procedures for payroll and stock administration processes.
• Drive process improvements and automation to enhance payroll and equity administration efficiency.

Qualifications:

• 10+ years of experience in payroll administration, including multi-state payroll processing.
• 10+ years of experience in equity/stock administration, preferably in a public company.
• Strong knowledge of U.S. payroll laws, equity compensation regulations, and tax compliance.
• Experience working with payroll and stock administration systems (e.g., ADP, E*TRADE, Fidelity, or similar platforms).
• High attention to detail, analytical mindset, and problem-solving skills.
• Strong collaboration and communication skills, with the ability to work cross-functionally.
• Bachelor's degree in Finance, Accounting, HR, or a related field preferred.