If you’re a paralegal or attorney working for a law firm that supports companies with their equity management, you may be familiar with some of the challenges associated with traditional cap table management.
- Lack of Standardization: Cap table data often exists in various formats (Excel, databases, paper documents), leading to inconsistencies in terminology and structure.
- Data Inconsistencies: Discrepancies in data can arise due to manual entry, data entry errors, or changes in ownership over time.
- Complicated Due Diligence: The lack of standardization makes it difficult to conduct thorough and efficient due diligence, as analysts must spend time reconciling different data sources.
In this article, we’ll be diving into the introduction of the Open Cap Table Format (OCF) for law firms and some of the tools available to support the use of OCF.
The Introduction of OCF for Law Firms
OCF offers a standardized, interoperable format for cap table data, addressing the pain points experienced by law firms above. By adopting OCF, law firms can:
- Streamline Due Diligence: Standardized cap table formats accelerate the review process, enabling law firms to conduct due diligence more efficiently and accurately.
- Reduce Errors and Risks: By eliminating inconsistencies and ambiguities, OCF significantly reduces the risk of errors and misunderstandings, protecting both the firm and its clients.
- Enhance Client Service: Faster and more accurate cap table management translates to improved client service, as law firms can provide timely and reliable legal advice.
- Foster Innovation: OCF creates opportunities for law firms to develop innovative tools and services built on top of a common data standard, enhancing their competitive advantage.
The Power of OCX
While OCF provides a robust data structure, the Open Cap Table Export Standard (OCX) offers a more user-friendly presentation. Law firms can leverage OCX to:
- Create Customized Reports: OCX’s spreadsheet-based formulas enable law firms to create tailored reports and analyses. This could include quick and dirty pro formas to visualize dilution and ownership shifts, providing valuable insights for clients.
- Improve Collaboration & Efficiency: Standardized data facilitates faster, smoother collaboration between law firms, investors, and other stakeholders.
- Enhance Decision-Making: By providing a clear and comprehensive view of a company’s cap table, OCX supports informed decision-making.
Open Cap Table Format Tools for Law Firms
As an active board member and technical contributor to the Open Cap Table Coalition, Mantle continues to prioritize the implementation of updates to its equity management platform as the Coalition iterates on its OCF and OCX standards and formatting.
With the Coalition’s formation and initial work paving the way, the team behind Mantle were able to bypass the need to develop a bespoke cap table export format and have natively adopted OCX as the only format needed.
Mantle’s OCX Import
Users can easily import their cap tables in OCX format into Mantle’s equity management platform. Leveraging AI, this expedites the onboarding process of new users to the platform.
Mantle’s Tie-Out Tool

One of Mantle’s latest features, the Tie-Out Tool, makes it easy for law firms to quickly validate whether a company’s cap table aligns with all their underlying documents. This AI-powered tool surfaces key details within unstructured documents so law firms can spend less time looking through documents and more time providing more strategic, high value services for their clients. Mantle has worked directly with law firms to ensure the tie-out tool matches their internal workflows and thought processes.
Mantle’s OCX Export

With a single click of the “Export OCX” button, users can instantly download their cap table data making it incredibly easy to share their cap tables in a format that will be easily readable by both internal and external support.
With the added ability to set bookmark dates, users can export their cap table at specific points in the company’s history.
Mantle’s Timeline View

These bookmark dates mentioned above align with Mantle’s Timeline View, which provides a dynamic visual representation of the company’s cap table evolution. Users can effortlessly explore key milestones, filter by security types of stakeholders, and pinpoint specific moments in time to generate detailed OCX exports for in-depth analysis or sharing.
Explore how Mantle can support your law firm.


