Everything about equity, explained properly.
Written from the source documents and the open schema itself, not from other people's marketing pages. Every explanation shows the data behind it, and ends with the question you can ask your own AI.
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What is the Open Cap Table Format?
One open schema for issuers, share classes, holders and every transaction between them. Why it exists, who maintains it, and what it means for your records.
Read → The basicsWhat is a cap table?
Built around the events that change it (issuances, grants, conversions, transfers) rather than as a static list of names.
Read → With your AICap table questions your AI can answer today
A prompt library for Claude, ChatGPT, Cursor, Gemini and Grok, once your cap table is connected.
Read →Free tools
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Open Cap Table Format
StandardThe schema, who maintains it, and how conformance differs from a correct cap table.
Priced rounds
CalculatorDilution, post-money, and the option pool shuffle modeled with your own numbers.
Reading is slower than asking
Connect your cap table to Claude, ChatGPT, Cursor, Gemini or Grok and put these questions to your own numbers instead.
Nothing here is legal, tax or investment advice. Pages covering tax and securities law are reviewed by counsel, but your own advisers know your situation.