Deal Terms
Last updated
Quick Answer
A SAFE where the valuation cap is calculated on a post-money basis, giving investors more predictable ownership percentages.
A post-money SAFE (introduced by Y Combinator in 2018) sets the valuation cap on a post-money basis, meaning the cap represents the total company value after all SAFEs and the new financing are included — not just the pre-money value. This gives investors more predictable ownership: a $10M post-money cap means the investor's ownership percentage at conversion is [investment amount / cap] regardless of how many other SAFEs are issued at the same cap. This contrasts with pre-money SAFEs where issuing multiple SAFEs dilutes everyone (including earlier SAFE holders) before Series A. Post-money SAFEs became the YC standard in 2018. The tradeoff for founders: each SAFE at the same cap means more predictable — but potentially more — dilution.
In Practice
TechFlow raises $500K on a post-money SAFE with a $5M valuation cap. When they later raise a $2M Series A at an $8M pre-money valuation ($10M post-money), the SAFE converts at its $5M cap since it's below the Series A valuation. The SAFE investor receives 10% ownership ($500K ÷ $5M cap). If another investor had used a pre-money SAFE with the same $5M cap, they would have received less ownership because their conversion would be calculated differently, demonstrating why post-money SAFEs provide more predictable ownership outcomes for investors.
What good looks like
Why It Matters
Post-money SAFEs provide crucial clarity and predictability for both founders and investors in early-stage funding. Unlike pre-money SAFEs, where the final ownership percentage depends on the total amount of capital raised alongside the SAFE, post-money SAFEs give investors a clear ownership stake from day one. This transparency helps founders better understand dilution and makes it easier to plan future fundraising rounds. For investors, it eliminates the uncertainty around final ownership percentages that can occur when multiple SAFEs and other instruments are involved in a funding round.
VC Beast Take
The shift from pre-money to post-money SAFEs was one of the most founder-friendly changes in early-stage investing, though many founders don't realize it. Y Combinator's introduction of the post-money SAFE in 2018 solved a major pain point where founders couldn't predict their dilution when raising multiple SAFEs. While some investors initially resisted the change because it gave them less upside in hot rounds, it's now become the standard. Smart founders should insist on post-money SAFEs to maintain better control over their cap table planning.
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What is a SAFE note and how does it work?
A SAFE (Simple Agreement for Future Equity) is an investment instrument where an investor gives a startup money today in exchange for the right to receive equity at a future priced round, typically at a discount or capped valuation.
What is a SAFE note?
A SAFE (Simple Agreement for Future Equity) is an investment instrument where an investor gives a startup money now in exchange for the right to receive equity in a future priced round. It's not a loan — there's no interest rate or maturity date.
What is the difference between pre-money and post-money valuation?
Pre-money valuation is what a company is worth before new investment. Post-money is what it's worth after. If you raise $5M at a $20M pre-money valuation, the post-money valuation is $25M and the investor owns 20%.
A post-money SAFE (introduced by Y Combinator in 2018) sets the valuation cap on a post-money basis, meaning the cap represents the total company value after all SAFEs and the new financing are included — not just the pre-money value.
Understanding Post-Money SAFE is critical for founders navigating the fundraising process. It directly impacts deal terms, valuation, and the relationship between founders and investors.
Post-Money SAFE falls under the deal-terms category in venture capital. This area covers concepts related to the financial and legal terms that define investment agreements.
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