Deal Terms
Post-Money SAFE Mechanics
How the post-money SAFE calculates ownership: investors know their exact percentage at conversion, unlike pre-money SAFEs.
Post-money SAFEs (Y Combinator's current standard) set the valuation cap as the post-money valuation INCLUDING the SAFE investment. This means the investor's ownership percentage is simply their investment divided by the cap. Multiple SAFEs share from the same post-money cap.
In Practice
An investor puts $1M into a post-money SAFE with a $10M cap. They'll own exactly 10% at conversion ($1M / $10M). If another investor adds $500K on the same terms, they get 5%, and the first investor still gets 10%.
Why It Matters
Post-money SAFEs are more founder-friendly in some ways (clarity) but less so in others (dilution stacks additively). Understanding mechanics prevents nasty surprises at priced round conversion.
VC Beast Take
Post-money SAFEs solved the ambiguity problem of pre-money SAFEs but created a new one: founders stacking multiple SAFEs without realizing how much they've diluted themselves.
Related Concepts
Further Reading
What Is a SAFE Note and How Does It Work?
A complete guide to SAFE notes for startup founders — how they work, key terms like valuation caps and discounts, common mistakes, and when SAFEs are the right fundraising instrument.
Anti-Dilution Provisions Explained: What Every Founder Needs to Know
How anti-dilution provisions work in venture capital — full ratchet vs. weighted average, how they affect founder ownership in down rounds, and what to negotiate in your term sheet.
Understanding Dilution: How Funding Rounds Affect Your Startup Ownership
Learn how equity dilution works across startup funding rounds, from pre-seed to Series C, and the strategies founders use to protect their ownership stake.
Related Guides
Understanding Startup Equity and Dilution: A Complete Guide
How equity actually works, what dilution really means, and what founders take home in different exit scenarios. Real math, worked examples, no hand-waving.
The Complete Guide to Startup Fundraising
A step-by-step guide to raising capital for your startup — from deciding when to raise, to closing your round and everything between. Written for founders, by people who've seen both sides.
How to Build a SAFE Cap Table That Doesn't Haunt You at Series A
SAFEs are simple to issue and complex to manage. Here's a practical walkthrough of how to structure early rounds so you don't spend Series A cleaning up messes.
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