Stock Administrator

Mythic•Austin, TX

11d•$200,000 - $235,000

About The Position

Mythic is hiring its first dedicated equity professional to build and lead the company’s equity administration function as it scales and prepares for public-company requirements. Reporting to the Chief Legal Officer, this individual will own the cap table, equity awards from grant through settlement, implementation of an equity administration platform, and the controls, reporting, compliance, and employee experience needed for a mature equity program. The role works closely with Finance, People, Payroll, outside counsel, auditors, the Board and Compensation Committee, and the executive team. The Director will establish policies, procedures, operating cadences, grant and vesting calendars, controls, and documentation; implement and maintain the equity platform and its integrations with HR and finance systems; reconcile cap table and legal records; administer multiple award types; and remediate historical equity data. The role will support financing and liquidity events, stock-based compensation reporting and audit, payroll and tax workflows, Board approvals, public-company equity compliance, employee education, and broader corporate governance and legal-readiness initiatives.

Requirements

At least 8 years of stock plan administration or equity compensation experience, including ownership of an equity function.
Experience leading an equity administration platform implementation and integrating it cross-functionally with Finance, People, Payroll, and Legal.
Thorough command of options (ISO/NSO), RSUs, PSUs, and ESPPs; cap table mechanics; equity tax treatment and withholding; and ASC 718.
Working knowledge of Section 16, Rule 144, and insider trading compliance.
Experience working directly with a Board and Compensation Committee, outside counsel, and external auditors.
A builder’s mindset; comfort working as a team of one; strong organization and attention to accuracy; and ability to explain complex equity topics clearly to employees and executives.

Nice To Haves

Experience as a company’s first or senior-most equity professional is strongly preferred.
Certified Equity Professional (CEP) designation preferred.

Responsibilities

Build Mythic’s equity administration program from the ground up, including policies, procedures, grant and vesting calendars, controls, and documentation; serve as the company-wide point of contact for equity.
Lead the equity administration platform implementation from planning through cutover, including vendor management, data mapping and migration, plan and award configuration, integrations with HR and finance systems, testing, and parallel reconciliation.
Maintain and reconcile the cap table, legal records, equity platform, and, when applicable, transfer agent records, especially around financings and capital markets events.
Administer the full lifecycle of stock options, RSUs, PSUs, and potential future programs such as an ESPP, including grants, vesting, exercises, settlements, cancellations, forfeitures, terminations, and post-termination exercise windows.
Validate historical grants against board approvals and award documents, resolve duplicate participant records, confirm termination dates, and close documentation gaps.
Prepare for transaction and liquidity events by identifying event-contingent vesting, modeling award treatment and conversions, and planning mass settlement and tax withholding.
Partner with Finance on ASC 718 stock-based compensation, quarterly close, expense reporting, external audit data, and equity controls designed to withstand SOX requirements.
Partner with Payroll and People on tax withholding, income reporting (including Forms 3921/3922 where applicable), grant processes for new hires and promotions, and termination workflows.
Run the equity approval process with the Board and Compensation Committee, including grant calendars, approval materials, consents, and recordkeeping.
Partner with Legal on public-company equity compliance, including insider trading policy administration, trading windows and pre-clearance, Section 16 reporting (Forms 3, 4, and 5), Rule 144 and 10b5-1 plan support, and equity-related disclosure inputs.
Lead employee onboarding, FAQs, education sessions, and communications about changes to award terms or equity programs.
Serve as a resource for auditors, outside counsel, and diligence requests concerning equity matters.
Support broader corporate governance and legal-readiness initiatives under the Chief Legal Officer.