About Kronos Bio

Kronos Bio, Inc. is dedicated to the discovery and development of first-in-class therapies that modulate historically undruggable targets. We leverage deep capabilities in high-throughput small molecule microarrays (SMM), targeted protein degradation, and cancer biology in order to identify potent and selective compounds against transcription factors and other central drivers of oncogenic signaling.

Summary of Position

This position will be responsible for processing and administering the US payroll and the equity/stock compensation plans (through a third party vendor), and preparing the necessary journal entries, monthly reconciliations, monthly/quarterly reports, and other reports/analysis pertaining to payroll and stock compensation.

Essential Duties and Responsibilities:

  • Stock Plan Administration:

    • Maintain equity (Stock Incentive) database and ensure accuracy at all times.
    • Prepare and process stock option grants, cancellations and exercises on a timely basis for all employees and other option and equity holders.
    • Prepare monthly and quarterly equity reconciliations (i.e. roll forward of grants, cancellations and exercises.)
    • Generate reports from Equity Edge (database) to support SEC reporting and other management reporting.
    • Prepare year-end Tax Statements.
    • Maintain trading blackout periods, pre-clearance and tracking of insider trading restrictions.
    • Assist with the processing, tracking and reporting of 10b5-1 Plans and Section 16 transactions/reporting.
    • Interact with transfer agent to ensure that trades are settled timely and reconcile DWAC transactions.
    • Manage/administer Employee Stock Purchase Plan.

    Payroll Administration:

    • Working with our  PEO, prepare and process US payroll for all employees, including validation of all inputs to employee payroll files.
    • Maintain accurate record keeping of payroll transaction details and produce periodic payroll reports.
    • Input payroll journal entry to General Ledger and ensure proper coding of payroll expenses by department.
    • Prepare all accrued bonus, ESPP, and other accrued payroll journal entries as appropriate and prepare related account reconciliations.
    • Prepare schedules to support workers compensation audits, 401K/Form 5500 reviews and other surveys/reports requiring employee payroll data.
    • Maintain compliance with accounting policies, procedures and SOX controls for payroll and stock administration areas and assist with external audits by providing supporting records and documentation.
    • Assist with other ad-hoc HRIS projects and requests on an as needed basis.


  • Bachelor’s degree in Accounting or related field
  • 5+ years in being the system administrator and primary user of Stock Admin tool to manage stock administration responsibilities
  • 5+ years in processing multistate payroll and working knowledge of best payroll practices
  • Strong knowledge of federal and multi state regulations
  • Ability to handle confidential information


The above statements are intended to describe the general nature and level of work being performed by employees assigned to this classification.  They are not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of employees assigned to this position.


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