Pro Rata Side Letter (US) by Y Combinator

The Pro Rata Agreement gives investors the right to purchase their proportional share of preferred stock in a company’s future equity financing, protecting them from dilution when a post-money SAFE converts. It sets out how pro rata rights are calculated, when they terminate, and rules for assignment and amendments. This agreement is part of Y Combinator’s publicly available library of standard financing documents, widely trusted and used by startups and investors.

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Founder Collaboration Agreement (UK) by Seedsummit

The Seedsummit Founder Collaboration Agreement is designed for potential founders to establish key terms before officially incorporating a startup company. It outlines how intellectual property developed during the collaboration will be assigned to the future company, details initial share ownership and vesting schedules, and includes provisions for confidentiality.

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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.

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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.

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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.

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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.

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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.