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.
- What Is a Convertible Note?
- What Is a SAFE Agreement?
- Convertible Note vs SAFE Agreement: Key Differences
- What To Check Before Signing: Legal, Financial, and Practical Issues
- State Law Issues and Common Pitfalls
FAQs
- Is a SAFE agreement better than a convertible note for my startup?
- Do I need to file anything with the SEC or my state when issuing a convertible note or SAFE?
- What happens if my startup never raises a priced round?
- How do I keep my cap table accurate with multiple notes or SAFEs?
- Can I issue both convertible notes and SAFEs at the same time?
- Key Takeaways
Raising capital is a major milestone for US startups, but choosing the right investment instrument can be confusing. Many founders must decide between a convertible note and a SAFE agreement, two popular tools for early-stage fundraising. Each offers speed and flexibility, but they come with different legal risks, financial consequences, and compliance requirements. Common mistakes include misunderstanding the debt features of convertible notes, mismanaging dilution from SAFEs, or failing to comply with state and federal securities laws. This guide explains the key differences between a convertible note and a SAFE agreement, what to check before signing, and how to avoid pitfalls. We include practical examples, state-law caveats, and founder checklists to help you make informed decisions and keep your startup on track.
What Is a Convertible Note?
A convertible note is a debt instrument that allows startups to raise funds quickly by borrowing money from investors. Instead of repaying the loan in cash, the note usually converts into equity (shares) in the company at a later date, typically when the company raises its next priced funding round. Convertible notes are popular because they delay the need to set a valuation for the company, which can be tricky at the earliest stages.
- Debt status: Convertible notes are loans. If your startup does not hit a conversion event, you may owe the principal and interest back to the investor.
- Interest and maturity: Convertible notes usually accrue interest (often 4-8% annually) and have a maturity date (often 12-24 months). If the note does not convert by the maturity date, the investor can demand repayment or sometimes negotiate for equity at a discount.
- Conversion mechanics: When a qualifying financing round occurs, the note converts into preferred stock, often at a discount or with a valuation cap that benefits the early investor.
- Federal and state law: Convertible notes are securities. The SEC requires that startups either register the offering or qualify for an exemption (such as Regulation D). State "blue sky" laws can also require filings or notices. Delaware, California, and New York are common states for startup incorporation or operation, each with their own rules.
Example: Suppose your Delaware C-corp issues a $150,000 convertible note at 6% interest with an 18-month maturity and a $3 million valuation cap. If you raise a Series A round at a $5 million valuation after 12 months, the note converts into preferred shares at the lower $3 million cap, rewarding the early investor. If you do not raise a new round by maturity, you may owe the investor $159,000 (principal plus interest).
Common mistakes: Many founders overlook the risk of having to repay the note if the next round does not happen in time. Others use templates that do not match their state's legal requirements, or forget to get proper board approval before issuing the note.
What Is a SAFE Agreement?
A SAFE (Simple Agreement for Future Equity) is an agreement that gives investors the right to receive equity in your company at a future event, such as the next priced funding round or a liquidity event (like an acquisition). SAFEs are not loans, they do not accrue interest, have no maturity date, and do not require repayment. The SAFE was created to simplify early-stage fundraising and reduce negotiation time and legal costs.
- No debt: SAFEs are not loans and do not appear as liabilities on your balance sheet.
- No maturity or interest: There is no deadline for conversion and no interest accrues.
- Conversion triggers: SAFEs convert into preferred stock when a qualifying event occurs, often at a discount or with a valuation cap similar to convertible notes.
- Federal and state law: SAFEs are also securities. You must comply with SEC rules and state blue sky laws, even though the SAFE is not a loan.
Example: Your startup issues a SAFE for $100,000 with a $2.5 million valuation cap. A year later, you raise a Series A at a $5 million valuation. The SAFE investor receives preferred shares as if they had invested at the $2.5 million cap, giving them more equity for their money. If you never raise a priced round or sell the company, the SAFE may remain outstanding indefinitely.
Common mistakes: Founders sometimes issue multiple SAFEs with different terms, leading to confusion and unexpected dilution. Others assume that SAFEs are not subject to securities laws, or forget to update their cap table after each SAFE issuance.
Convertible Note vs SAFE Agreement: Key Differences
Understanding the differences between a convertible note and a SAFE agreement is crucial for founders and investors. Here are the main distinctions:
- Debt vs equity: Convertible notes are debt instruments; SAFEs are not. This affects your company's financial statements, risk of repayment, and negotiation leverage.
- Maturity and interest: Convertible notes have a maturity date and accrue interest. SAFEs do not have a maturity date and do not accrue interest.
- Repayment risk: If your startup does not raise a qualifying round, convertible notes may require repayment. SAFEs generally do not require repayment under any circumstances.
- Investor leverage: Convertible note holders can threaten default or demand repayment at maturity, giving them leverage in negotiations. SAFE holders have less leverage if no conversion event occurs.
- Complexity: Convertible notes can be more complex, especially regarding default, interest, and maturity. SAFEs are simpler, but can become complicated if you issue multiple SAFEs with different terms.
- Accounting treatment: Convertible notes are recorded as debt until conversion. SAFEs may be treated as equity or a derivative, depending on the terms and your accountant's interpretation.
Practical scenario: Imagine your startup issues $500,000 in convertible notes and $250,000 in SAFEs. If you fail to raise a new round before the notes mature, you may owe $500,000 plus interest, potentially bankrupting the company. The SAFE holders, by contrast, cannot demand repayment, but their agreements remain outstanding until a conversion event occurs.
Checklist:
- Does your startup have the cash flow to repay convertible notes if needed?
- Are you comfortable with the possibility of SAFEs remaining outstanding for years?
- Do all agreements use consistent terms for valuation caps and discounts?
- Have you modeled how different conversion scenarios affect founder ownership?
Common mistakes: Mixing convertible notes and SAFEs with inconsistent terms can create cap table chaos and investor disputes. Failing to understand the debt risk of notes or the dilution risk of SAFEs is another frequent error.
What To Check Before Signing: Legal, Financial, and Practical Issues
Before you sign a convertible note or SAFE agreement, review these key issues to protect your company and avoid future disputes:
- Federal and state securities compliance: Confirm that your offering qualifies for a federal exemption (such as Regulation D) and check for state-specific filing or notice requirements. For example, California requires a notice filing for most securities offerings, even for Delaware corporations. Failure to comply can result in penalties, rescission rights for investors, or even criminal liability.
- Company authority and governance: Check your certificate of incorporation, bylaws, and any existing investor agreements to ensure your company can issue convertible notes or SAFEs. Most states, including Delaware, require board approval for new securities. Some may require shareholder approval, especially if the new securities affect existing rights.
- Terms and dilution: Carefully review the valuation cap, discount rate, and conversion mechanics. If you issue multiple notes or SAFEs with different terms, you may create conflicts between investors or unexpected dilution for founders.
- Repayment risk (for notes): Understand what happens if the note does not convert by the maturity date. Is there a default interest rate? Can the investor demand immediate repayment or force a conversion?
- Pro rata and information rights: Some investors may request the right to participate in future rounds (pro rata rights) or receive ongoing company updates. Make sure these rights are clearly defined and do not conflict with other agreements.
- Tax and accounting treatment: Convertible notes are usually recorded as debt, which can affect your financial statements and tax filings. SAFEs may be treated as equity or a derivative, depending on the terms and your accountant's advice.
- Recordkeeping: Maintain detailed records of all convertible notes and SAFEs issued, including signed agreements, board approvals, and cap table updates. This is critical for due diligence in future fundraising or an exit.
- Investor suitability: Make sure your investors qualify as "accredited investors" if you are relying on certain SEC exemptions. Some states have additional suitability requirements for investors.
Founder checklist before signing:
- Reviewed the agreement with a qualified attorney?
- All key terms (valuation cap, discount, conversion event) are clear and understood?
- Company authority and board approval documented?
- SEC and state requirements checked and filings prepared?
- Cap table updated to reflect the new investment?
- Investor suitability confirmed?
Common mistakes: Using outdated templates, failing to get proper approvals, misunderstanding the impact on future fundraising, or not updating the cap table after each issuance.
State Law Issues and Common Pitfalls
Federal securities law sets the baseline, but state laws, often called "blue sky laws", can add additional requirements. Ignoring state law is a common and costly mistake for US startups.
- Delaware: Most US startups are incorporated in Delaware. Delaware law requires board approval for issuing convertible notes or SAFEs. Your certificate of incorporation may limit the types of securities you can issue, or require shareholder approval for certain transactions.
- California: California requires a notice filing for most securities offerings, even if you are a Delaware corporation doing business in California. California also has strict rules about who can invest and may impose additional disclosure requirements.
- New York: New York has its own blue sky laws, which may require filings or impose restrictions on offerings to New York residents. Failure to comply can result in fines or the need to rescind the offering.
- Other states: If you have investors in multiple states, you may need to comply with each state's securities laws. Some states have exemptions for small offerings or accredited investors, but requirements vary widely.
Example: Your Delaware C-corp issues SAFEs to investors in California and New York. You must file a Form D with the SEC, a notice with California's Department of Financial Protection and Innovation, and may need to file with New York's Investor Protection Bureau. Missing any of these filings can create legal exposure and delay future fundraising or an exit.
Common pitfalls:
- Assuming federal compliance is enough and ignoring state filing requirements.
- Issuing convertible notes or SAFEs without required board or shareholder approval.
- Using inconsistent terms across multiple agreements, leading to disputes or cap table confusion.
- Failing to update company records and cap tables after each issuance.
- Not confirming investor eligibility under state law.
Checklist for state law compliance:
- Identify all states where your investors reside or where your company operates.
- Check each state's blue sky law for notice, filing, and investor eligibility requirements.
- File required forms (such as Form D at the federal level and state notices) promptly after closing the investment.
- Keep copies of all filings and correspondence for your records.
FAQs
Is a SAFE agreement better than a convertible note for my startup?
There is no universal answer. SAFEs are simpler and do not create debt, which is attractive for early-stage startups. However, some investors prefer convertible notes for the leverage they provide if the company does not raise another round. Your choice should depend on your company's needs, investor preferences, and the specific terms offered. Consider the risk of repayment with notes and the risk of indefinite outstanding SAFEs.
Do I need to file anything with the SEC or my state when issuing a convertible note or SAFE?
Yes. Both convertible notes and SAFEs are securities. Most startups rely on exemptions from SEC registration, such as Regulation D, and must file a Form D. States often require additional filings or notices, even for exempt offerings. For example, California and New York have their own requirements. Always check both federal and state rules before proceeding.
What happens if my startup never raises a priced round?
If you have issued convertible notes, you may be required to repay the principal and interest at maturity if the note does not convert. With SAFEs, the agreement may remain outstanding until a conversion event occurs, which could be indefinite. Some SAFE templates include provisions for conversion or repayment after a certain period, but many do not. Review your agreement terms carefully and consider the long-term implications.
How do I keep my cap table accurate with multiple notes or SAFEs?
Update your cap table each time you issue a new convertible note or SAFE. Track key terms for each security, including valuation caps, discounts, and conversion triggers. Use cap table management software or a detailed spreadsheet to model different conversion scenarios. Consult with your attorney or accountant to ensure accuracy, especially before a new fundraising round or exit.
Can I issue both convertible notes and SAFEs at the same time?
It is possible, but it can create complexity and confusion, especially if the terms differ. Mixing instruments with different valuation caps, discounts, or conversion triggers can lead to disputes and unexpected dilution. If you choose to issue both, use consistent terms where possible and model the impact on your cap table. Always consult with legal and financial advisors before proceeding.
Key Takeaways
- Convertible notes and SAFEs are common early-stage fundraising tools, but have important legal and practical differences.
- Convertible notes are debt instruments with maturity and interest; SAFEs are not debt and do not require repayment.
- Both instruments are securities and require compliance with SEC and state blue sky laws.
- Founders must review all terms, obtain proper company approvals, and keep detailed records for each issuance.
- Common mistakes include ignoring state law, using inconsistent terms, and failing to update the cap table or investor records.
- Consult with qualified professionals before signing to avoid costly errors and ensure your fundraising aligns with your company's goals.
If you are considering a convertible note or SAFE agreement for your US startup, understanding the legal and practical differences is essential before signing. For tailored support, contact our team at (888) 449-8437 or team@sprintlaw.com. Where legal services are required, they are delivered by licensed lawyers at trusted US law firms through the Sprintlaw platform.







