SAFEs · External

YC Pro Rata Side Letter

Y Combinator's Pro Rata Side Letter, granting the investor pro rata rights in connection with a Post-Money SAFE investment.

7 fields CC-BY-ND-4.0 Y Combinator

Fields (7)

Field	Type	Description
Company Name `company_name`	string	Full legal name of the company
Investor Name `investor_name`	string	Full legal name of the investor

Field	Type	Description
Date Of Safe `date_of_safe`	date	Date of the related SAFE agreement

Field	Type	Description
Company Name Caps `company_name_caps`	string	Company name in uppercase as used in the header (e.g., "ACME INC.")
Investor Name Caps `investor_name_caps`	string	Investor name in uppercase as used in the header (e.g., "JANE DOE")
Name `name`	string	Name of the company signatory
Title `title`	string	Title of the company signatory (e.g., "CEO")

Start with the setup guide for Claude Code, Gemini CLI, and local package execution. The install page will keep the handoff tied to this template.

npx open-agreements fill yc-safe-pro-rata-side-letter -d values.json -o output.docx

Source

Maintained by Y Combinator

Fields 7

Source Y Combinator

Use this template with Claude Code or another coding agent

Start with setup instructions, then run this template in your own workflow.

Workflow support only. Not legal advice.

This template is a drafter's starting point. It does not constitute legal advice. Have qualified counsel review before execution.

45 free contract templates for NDAs, employment agreements, SAFEs, financing documents, and more.