Pro Rata Side Letter (Caymans) by Y Combinator

Updated 17 October 2025

This Pro Rata Agreement grants an investor the right to purchase a pro rata share of Standard Preferred Shares in a future equity financing round. This right is connected to an initial investment made through a Simple Agreement for Future Equity (SAFE) with a Post-Money Valuation Cap. The agreement outlines the terms for this pro rata right, including its termination conditions and provisions for assignment and amendment.

YCY Combinator

Related documents

Open Legal Library

Founder Advisor Standard Template (FAST) by Founder Institute

The Founder Advisor Standard Template (FAST) by Founder Institute is a structured, plain-language agreement that defines the relationship, compensation, and confidentiality terms between a startup and its advisor, ensuring clear expectations and fair equity grants. It is part of the Founder Institute’s widely trusted library of open, lawyer-vetted standard agreements.

Open Legal Library

Business Sale Agreement by EasyLegalDocs

This Business Sale Agreement outlines the terms for transferring ownership of a business from a Seller to a Buyer, including the assets sold, purchase price, payment terms, and closing procedures. It also sets forth representations and warranties, non-compete and confidentiality clauses, indemnification responsibilities, and general legal provisions governing the transaction.

Open Legal Library

Offer to non-priority creditor - joint letter by Citizens Advice

The Citizens Advice 'Offer to non-priority creditor' joint letter helps joint account holders in financial hardship propose a reduced payment plan to their creditor and request a freeze on interest and charges. It is part of Citizens Advice’s widely trusted library of open, lawyer-vetted letter templates.

Open Legal Library

BSA Air Agreement (France) by Seedsummit

The Seedsummit BSA AIR Investment Agreement is a French convertible warrant contract under which an investor (the “AIR Investor”) provides funding to a company in exchange for a right to subscribe to future shares at a discounted valuation upon a defined “Triggering Event” (such as a qualified financing, sale, merger, IPO, or insolvency). It sets out the warrant’s subscription, exercise mechanics, valuation formula (with discount, cap, and floor), and French law governance.

Open Legal Library

Model PIPE Securities Purchase Agreement (FPI) (NVCA)

This is a model Securities Purchase Agreement for a Private Investment in Public Equity (PIPE) transaction. It details the terms under which a company, often a foreign private issuer, sells various securities (such as ordinary shares, ADSs, preferred shares, and warrants) to investors in a private placement, relying on exemptions from securities registration. The agreement includes extensive representations, warranties, and covenants from both parties, along with provisions for closing and compliance with U.S. securities regulations.

Open Legal Library

Short Form Auction Confidentiality Agreement for Buyouts by BVCA

The BVCA Short Form Auction Confidentiality Agreement for Buyouts is designed for use in the first round of a buyout auction process, enabling multiple bidders to receive preliminary information under a fair, non-negotiable confidentiality framework. It is part of the BVCA’s widely trusted library of open, lawyer-vetted standard agreements.