Convertible Note vs SAFE Agreement: Checklist For US Founders

Alex Solo
byAlex Solo12 min read

Early-stage fundraising is one of the most important, and confusing, tasks for US startup founders. The choice between a convertible note and a SAFE agreement can shape your company's future, affecting everything from investor relationships to your cap table and compliance risk. Many founders make costly mistakes by using generic documents, skipping required approvals, or misunderstanding how these instruments work under US law. This guide breaks down what you need to know about convertible notes vs SAFE agreements, including legal compliance, practical founder checklists, and state-specific issues that could catch you off guard. By the end, you will have a clear roadmap to choose and use the right fundraising tool for your startup's stage and goals.

Understanding Convertible Notes and SAFE Agreements

Convertible notes and SAFE agreements are both designed to help startups raise money before a formal valuation is set. They let you accept investment now, with the promise that investors will receive equity later, usually when you raise a larger, priced round. But they are not the same, and picking the wrong one can have lasting consequences.

  • Convertible Note: This is a debt instrument. The investor loans money to your startup, and the note converts into equity (shares) in the future, usually at a discount or with a valuation cap. Convertible notes typically have an interest rate and a maturity date. If the note does not convert by the maturity date, the investor can demand repayment or conversion under alternate terms.
  • SAFE Agreement: The SAFE (Simple Agreement for Future Equity) is not a loan or debt. Instead, it is a contract giving the investor the right to receive equity in your company upon a future triggering event (like a priced equity round or sale). SAFEs do not have interest or a maturity date, and are designed to be simpler and founder-friendly, but they still come with legal obligations.

Both instruments are widely used in the US, especially for pre-seed and seed rounds. However, they have different impacts on your company's financial statements, investor rights, and future fundraising. For example, a convertible note appears as debt on your balance sheet, which can affect your ability to get loans or attract later investors. A SAFE is not debt, but can still dilute founders if not carefully managed.

It is also important to know that both convertible notes and SAFEs are considered securities under federal law. This means you must comply with SEC rules and, often, state "blue sky" laws. The rules are not optional, even for small rounds or friends-and-family investors.

When issuing convertible notes or SAFEs, you are offering securities. This triggers a range of legal requirements at both the federal and state level. Failing to comply can result in penalties, lawsuits, or even being barred from future fundraising.

Federal Securities Law:

  • The Securities and Exchange Commission (SEC) regulates all offers and sales of securities in the US. Most startups rely on exemptions from registration, such as Regulation D (Rule 506(b) or 506(c)).
  • To use these exemptions, you must meet specific requirements, such as limiting sales to accredited investors or providing detailed disclosures to non-accredited investors.
  • After your first sale, you must file Form D with the SEC within 15 days. This is a notice filing, not an approval process, but missing it can create problems for future rounds.
  • You must also provide investors with all material information about the investment, including risks, terms, and your company's financial situation.

State "Blue Sky" Laws:

  • Each state has its own securities laws. Even if you comply with federal rules, you may need to file notices or pay fees in states where your investors are located.
  • Some states, like California and Texas, have unique requirements for notice filings or investor limits. For example, California requires a separate notice (Form 25102(f)) and fee for most private offerings.
  • Delaware, the most common state of incorporation for US startups, generally follows federal exemptions but also requires board approval for issuing new securities. Delaware corporate law also governs how convertible notes and SAFEs are authorized and recorded.
  • If you have investors in multiple states, you may need to make filings in each relevant state. Missing a state filing can expose you to enforcement actions or investor lawsuits.

Industry-Specific Rules: If your startup operates in a regulated industry (such as fintech, healthtech, or cannabis), you may face additional compliance requirements. For example, fintech startups may need to consider anti-money laundering rules, while healthcare startups must comply with HIPAA and related laws. These requirements are separate from, but in addition to, securities law obligations.

Practical Example: Suppose you are a Delaware C-corp raising $500,000 from three investors: one in California, one in New York, and one in Texas. You will likely need to:

  • File Form D with the SEC under Regulation D
  • File a notice and pay a fee in California (Form 25102(f))
  • File a notice in New York (Form 99 or related forms)
  • File a notice in Texas (Form 133.16 or similar)
  • Get board approval under Delaware law

Missing any of these steps can lead to fines, rescission rights for investors, or problems in later due diligence. Always check the rules in your state of incorporation and where each investor is based.

Key Differences: Convertible Note vs SAFE Agreement

While both instruments serve a similar purpose, their structure and implications are different. Here's a side-by-side breakdown to help you understand which might be right for your situation:

  • Debt vs Contract: Convertible notes are legally debt, with interest and a maturity date. SAFEs are contracts for future equity, with no interest or maturity date.
  • Investor Leverage: Convertible note holders can demand repayment if no conversion event occurs by the maturity date. SAFE holders generally cannot demand repayment, they must wait for a triggering event.
  • Interest: Convertible notes accrue interest (often 4-8% annually), which increases the amount converted to equity. SAFEs do not accrue interest.
  • Maturity Date: Convertible notes have a set date (often 12-24 months) when they must convert or be repaid. SAFEs have no maturity date, so investors may wait indefinitely if no qualifying event occurs.
  • Valuation Cap and Discount: Both can include a valuation cap (maximum price for conversion) and a discount (lower price per share for early investors). However, the formulas and triggers can differ.
  • Founder Dilution: Both instruments can dilute founders, but the timing and amount can vary. For example, multiple SAFEs with different caps can create unexpected dilution if not tracked carefully.
  • Accounting Impact: Convertible notes appear as debt on your balance sheet, which can affect your ability to borrow. SAFEs are generally treated as equity or a derivative instrument, but accounting treatment can vary by state and auditor.
  • Negotiation Complexity: Convertible notes can be more complex to negotiate due to debt terms (interest, maturity, default). SAFEs are simpler, but investors may ask for additional protections.
  • Investor Preferences: Some investors, especially institutional ones, prefer convertible notes for the added protection. Others, especially accelerators and angel investors, may prefer SAFEs for speed and simplicity.

Example: If you issue a $100,000 convertible note with an 8% interest rate and a 2-year maturity, and you do not raise a qualifying round in two years, the investor can demand repayment of $116,640 (principal plus interest). If you issue a $100,000 SAFE, the investor cannot demand repayment, they must wait for a future equity round or other triggering event.

It is also possible to customize both instruments with additional terms, such as most favored nation (MFN) clauses, pro rata rights, or special conversion triggers. However, adding complexity can make your documents harder to manage and may deter future investors.

Checklist: Choosing and Using Convertible Notes or SAFEs

Before you issue a convertible note or SAFE, use this checklist to avoid the most common pitfalls:

  1. Review Corporate Documents: Check your certificate of incorporation, bylaws, and any existing shareholder agreements. Make sure you have the authority to issue new securities, and that your board and (if required) shareholders approve the issuance.
  2. Choose the Right Instrument: Consider your goals, investor preferences, and the pros and cons of each instrument. For example, if you want to avoid debt, a SAFE may be better. If your investors want more protection, a convertible note may be required.
  3. Customize Key Terms: Set the valuation cap, discount, interest rate (for notes), maturity date (for notes), and any special rights. Avoid using generic templates without tailoring them to your deal.
  4. Prepare Disclosure Materials: Draft a summary of the terms and risks for your investors. This is not just a legal requirement, it also builds trust and reduces the risk of disputes.
  5. Check Federal Compliance: Identify the SEC exemption you are using (such as Regulation D Rule 506(b)). File Form D within 15 days of your first sale.
  6. Check State Compliance: File required notices and pay fees in each state where you have investors. For example, California requires Form 25102(f); New York and Texas have their own forms.
  7. Document Approvals: Record board and (if needed) shareholder approvals in meeting minutes or written consents. Delaware and most other states require this for new securities.
  8. Update Your Cap Table: Track all convertible instruments, including amounts, caps, discounts, and conversion triggers. Use a spreadsheet or cap table management tool.
  9. Plan for Conversion: Understand how and when the instruments convert to equity, and how this will affect your ownership and voting rights. Model different scenarios to see the impact on founder dilution.
  10. Communicate with Investors: Keep investors updated about company progress and any changes to the fundraising timeline or terms.
  11. Consult Legal and Tax Advisors: Early mistakes can be expensive to fix. Get input from professionals experienced in startup fundraising and securities law.

Founder Moment: A founder in Texas used a generic SAFE template from an online source, but failed to file the required state notice. When a later investor did due diligence, they discovered the missing filing, which delayed the round and required the founder to pay a late fee and update all previous investors. This could have been avoided by following the checklist above.

Common Mistakes and How to Avoid Them

Many founders run into trouble with convertible notes or SAFEs by overlooking legal or practical steps. Here are some of the most common mistakes, with tips to avoid them:

  • Using Outdated or Incomplete Templates: Templates from the internet may not reflect current law or your company's needs. Always review and customize your documents, and have them checked by a professional.
  • Ignoring State Law Requirements: Even if you comply with federal law, you may need to file notices or pay fees in each investor's state. For example, California's Form 25102(f) is required for most private offerings, and Texas requires a separate filing. Missing these can result in fines or rescission rights for investors.
  • Failing to Track Cap Table Changes: Issuing multiple convertible notes or SAFEs without updating your cap table can lead to unexpected dilution and disputes during a priced round. Use a cap table management tool and update it after every issuance.
  • Skipping Board or Shareholder Approvals: Most states, including Delaware, require formal board approval for new securities. Failing to document approvals can invalidate your fundraising or create disputes with other shareholders.
  • Misunderstanding Conversion Terms: Not all convertible notes or SAFEs convert the same way. Clearly define what triggers conversion, how the conversion price is calculated, and what happens if there is no qualifying round. For example, some notes automatically convert at maturity, while others require investor consent.
  • Not Disclosing Risks: Failing to provide clear risk disclosures can lead to legal claims if investors feel misled. Always include a summary of risks and material information in your investor materials.
  • Missing SEC or State Filings: Late or missing filings can result in penalties and may prevent you from raising future funds. Set calendar reminders for all filing deadlines.
  • Assuming All Investors are Accredited: Some exemptions require all investors to be accredited. Always verify investor status and keep records, especially for friends-and-family rounds.
  • Mixing Instruments in the Same Round: Using both SAFEs and convertible notes in the same round can complicate your cap table and future fundraising. If you must use both, make sure terms are harmonized and clearly disclosed to all investors.

Example: A Delaware startup issued convertible notes to early investors, but forgot to get formal board approval. When a Series A investor reviewed the company's records, they found the missing approval and required the founders to retroactively fix the paperwork before closing the round. This delayed funding and created unnecessary legal costs.

Checklist to Avoid Mistakes:

  • Always use up-to-date, attorney-reviewed documents
  • File all required federal and state notices promptly
  • Update your cap table after every issuance
  • Document all board and shareholder approvals
  • Provide clear, written disclosures to investors
  • Verify investor accreditation status and keep records
  • Consult with legal and tax advisors before issuing any securities

FAQs

Is a SAFE agreement or convertible note better for my startup?

There is no one-size-fits-all answer. SAFEs are simpler and avoid debt, making them popular with early-stage startups and some investors. Convertible notes may appeal to investors who want more protection, such as a maturity date or interest. Your choice should reflect your company's needs, investor expectations, and legal advice. For example, if you are raising from an accelerator, they may prefer a SAFE, while an angel group may insist on a convertible note.

Do I need to file anything with the SEC when raising with a SAFE or convertible note?

Yes. Most offerings require filing Form D with the SEC if you are relying on a Regulation D exemption. You may also need to file notice or pay fees in certain states. Always confirm your filing obligations before accepting funds. Missing a filing can delay future rounds or result in penalties.

What happens if my startup never raises a priced equity round?

With a convertible note, if you do not raise a qualifying round before the maturity date, the note may become due and payable, or convert under alternative terms (such as at a pre-set price or with investor consent). With a SAFE, conversion typically only occurs upon a triggering event, so investors may remain unconverted if no such event happens. It is important to define alternative outcomes in your documents, such as conversion at a set date or upon a sale of the company.

Can I use both SAFEs and convertible notes in the same round?

It is possible, but it can complicate your cap table and future financing. Using multiple instruments with different terms can create confusion and disputes. Most startups choose one instrument per round for simplicity. If you must use both, make sure all terms are harmonized and clearly disclosed to all investors.

How do state laws affect my fundraising with convertible notes or SAFEs?

State laws (blue sky laws) may require additional filings, fees, or investor limits, even if you comply with federal law. For example, California, New York, and Texas each have their own notice requirements for private offerings. Delaware requires board approval for new securities. Always check the rules in your state of incorporation and in each investor's state before issuing any securities.

Key Takeaways

  • Convertible notes and SAFE agreements are both popular for early-stage US startup fundraising, but have different legal, financial, and practical impacts.
  • Federal and state securities laws apply to both instruments, and compliance is essential to avoid penalties or future funding issues.
  • Carefully review your corporate documents, customize key terms, and document all approvals before issuing convertible securities.
  • Keep accurate records and update your cap table as you issue new instruments, and model the impact on founder dilution.
  • Consult qualified legal and tax advisors to avoid costly mistakes and ensure your fundraising supports your long-term goals.
  • Missing a filing, using the wrong template, or failing to get approvals can delay future rounds and create legal risk.

If you are weighing a convertible note vs SAFE agreement for your US startup, our team can help you understand your options and avoid common pitfalls. Contact us at (888) 449-8437 or team@sprintlaw.com to discuss your needs. Where legal services are required, they are delivered by licensed lawyers at trusted law firm partners through the Sprintlaw platform.

Alex Solo

Alex is Sprintlaw's co-founder and a legal technology leader. He holds law and media degrees from the University of Sydney and has been recognized by Australasian Lawyer, Lawyers Weekly and the Sydney Young Entrepreneur Awards for his work building Sprintlaw and improving access to business legal support.

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