Assistant Controller

Climb Bio

Assistant Controller overseeing financial reporting and accounting operations for Climb Bio, managing the close process and equity administration while ensuring SOX compliance.

Posted 4/13/2026full-timeWellesley Hills • Massachusetts • 🇺🇸 United StatesMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Own monthly, quarterly, and annual close processes
Review journal entries and reconciliations; prepare and review financial statements for internal and reporting purposes
Ensure accurate accounting for R&D costs, clinical trial accruals, stock-based compensation, and collaborations
Maintain and evolve the general ledger and chart of accounts as the company grows
Own end-to-end equity administration, including cap table maintenance and coordination with the equity platform
Prepare stock-based compensation calculations and related journal entries
Serve as the primary liaison between Finance, Legal, and HR on equity-related matters
Ensure accurate and timely equity reporting to support both internal needs and external audit
Own the company's 404(b) SOX compliance program in partnership with external auditors and advisors
Design, document, and maintain key controls across the close, equity, and procure-to-pay cycles
Prepare and organize control evidence to support internal and external testing
Identify and remediate control gaps proactively as the company scales
Serve as the primary point of contact for the external audit, managing the PBC list and auditor requests
Maintain a state of continuous audit readiness — clean reconciliations, documented judgments, organized workpapers
Coordinate with tax advisors on year-end tax provision support and related deliverables
Partner with the SEC Reporting & Technical Accounting team to ensure close outputs are complete and accurate for external reporting
Manage, mentor, and develop a small accounting team and/or outsourced resources
Provide hands-on coaching to build technical accounting, close, and reporting capabilities
Foster a culture of accountability, accuracy, and continuous improvement
Scale the team thoughtfully as the company grows, balancing internal hires and external support

Requirements

What you’ll need

At least 6 years of progressive accounting experience; including experience working in or with clinical stage biotech or the life sciences companies
CPA required
At least 2 years of public company 404(b) SOX and close experience required; SEC reporting exposure a plus
Strong working knowledge of ASC718 (SBC) and clinical trial accrual accounting
Exceptional problem-solving and communication skills, and the ability to operate in a collaborative and fast-paced environment.

Benefits

Comp & perks

discretionary annual bonus
comprehensive benefits to include Medical, Dental and Vision
Life & Disability
401k company match
generous paid time off
equity

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

financial statements preparationjournal entries reviewreconciliationsequity administrationstock-based compensation calculationsSOX compliancecontrol documentationaudit readinesstax provision supportSEC reporting

Soft Skills

problem-solvingcommunicationcollaborationmentoringcoachingaccountabilityaccuracycontinuous improvement

Certifications

CPA