The Founder's Guide to the Share Subscription Agreement (SSA)
The Share Subscription Agreement is the binding contract that turns an investor's "yes" into cash in your bank. Here’s how to use it correctly.
TL;DR: A Share Subscription Agreement (SSA) is a legal document where an investor commits to buying a set number of your company's shares at a specific price. It's crucial for early-stage fundraising to formalize investments before a larger priced round. Understanding its key clauses and SEC compliance obligations is essential to avoid costly legal mistakes.
Key takeaways
- Use the SSA for primary issuance in pre-seed/seed rounds, especially with angel investors.
- Know the difference: A Term Sheet is a promise, an SSA is the purchase contract, and a Shareholders' Agreement is for post-investment governance.
- Scrutinize 'Conditions Precedent' and 'Reps & Warranties' to prevent closing delays and future liability.
- Comply with SEC fundraising rules (likely Reg D, Rule 506(b)) to stay out of legal trouble.
- Always have experienced startup counsel review your SSA. Don't use a generic template.
- The goal is to get the deal done cleanly; don't let legal docs kill momentum.
What Is a Share Subscription Agreement (SSA)?
A Share Subscription Agreement (SSA) is the binding contract that turns an investor’s verbal “yes” into cash in your company’s bank account. It’s a legal agreement where an investor commits to buy a specific number of shares at a fixed price, and the company commits to sell them. Think of it as the purchase order for your startup’s equity.
This document is critical in your early fundraising efforts, especially for pre-seed and seed rounds involving angels or friends and family. It formalizes the investment, creating a clear legal record of who owns what.
SSA vs. Other Fundraising Documents
Founders are often drowning in legal documents. It’s easy to confuse them, but they have distinct purposes. Getting this wrong can kill deals and create legal messes.
- Term Sheet: This is a non-binding outline of the deal's key terms (valuation, investment amount, etc.). It’s the engagement, not the marriage. You agree on the Term Sheet first, then draft the SSA and other legal docs to match it.
- Share Subscription Agreement (SSA): This is the binding contract to execute the purchase outlined in the Term Sheet. If the Term Sheet is the plan, the SSA is the action.
- Shareholders' Agreement (SHA): This is the long-term “operating manual” for all shareholders. It defines rules about voting, board seats, what happens if a founder leaves, and how shares can be sold in the future. New investors sign the SSA to buy their shares, and in doing so, often agree to be bound by the existing SHA.
- Share Purchase Agreement (SPA): This is used when an investor buys shares from an existing shareholder (like a founder or early employee), not from the company itself. This is a “secondary” sale, and the money goes to the seller, not into the company’s treasury. The SSA is for “primary” issuance only.
Key Clauses in an SSA & What They Mean for You
Your lawyer will draft the full document, but you need to understand the key business and legal points you're committing to. Reading a 20-page legal document for the first time can be intimidating. Here’s what to focus on.
1. The Subscription & Issuance
This is the heart of the agreement. It will state in plain terms:
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