Guide

Primer for the post-money SAFE

Y Combinator · ycombinator.com

The official conversion math with sample calculations to check your own model.

Open on ycombinator.com ↗

The question it answers

  1. What should I check before signing a SAFE, iSAFE, or convertible note?

Read with it

  1. The instrument's inventor explaining how it converts, with worked examples. ycombinator.com Guide Understanding SAFEs and priced equity rounds Y Combinator
  2. The canonical templates; anything an investor hands you should diff cleanly against these. ycombinator.com Guide YC Safe Financing Documents Y Combinator
  3. The single most consequential distinction, explained by the cap-table platform that sees the data. carta.com Guide Pre-money vs. post-money SAFEs: A founder's guide Carta
  4. Names the cap-stacking trap that surprises founders at Series A diligence. seedlegals.com Article YC post-money SAFEs: Avoiding expensive dilution mistakes SeedLegals
  5. A VC lawyer's deep dive into conversion percentage details most founders never read. lawofvc.substack.com Article YC's Secret SAFE (Law of VC #32) Chris Harvey, Law of VC
  6. Video Understanding SAFE Notes: A Simple Guide for Startup Founders Startup finance educator (YouTube)
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