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SAFE

As explained in Tech Startup Toolkit

A SAFE note is a Simple Agreement for Future Equity that gives an investor a contractual right to receive equity upon specified future financing or liquidity events.

A SAFE is a simple agreement for future equity: an early investor provides cash now for a promised ownership stake later, typically at a lower price than institutional investors pay. For friends and family, that promise can be easier to handle than a complicated financing instrument—but personal relationships make the risk feel very real. section 5.1

Before using one, keep these practical points in view:

  • A SAFE sets terms for institutional financing, no later outside investment, and company failure without money to repay note holders. section 5.1
  • The instrument is simple, fast, and relatively company-friendly, while traditional convertible notes generally provide investors more protections. section 5.1
  • Treat family participation cautiously: seeing the investor regularly can make a potential loss an ongoing personal burden. section 5.1
  • A seed program can use a SAFE for a defined equity stake; one cited example provides $500,000 for 7% equity. section 5.2

The family-round test

An entrepreneur offered an investment to one family member, who could tolerate losing the money. Even so, the entrepreneur felt constant pressure because that person would remain part of everyday life. The lesson is simple: a SAFE may simplify the paperwork, but it does not simplify the emotional consequences of a failed investment. section 5.1

Table 5.1 The who, what, and when of the various stages of venture capital financing rounds
Round
Pre-seed
Seed
Series A
Series B
Series C
Form
Cash or debt
Equity
Preferred “A” equity
Preferred “B” equity
Preferred “C” equity
Who
Founders Friends and family
Venture capitalists Angels
Venture capitalists Corporate
Venture capitalists Private equity Corporate
Private equity Corporate
What
Early working capital to get to first financing
First formal financing round after formation from investors focused on early-stage investing
First significant financing round in which one or more VCs become involved in a company previously financed by founders, seed VCs, and/or angels
Scaling round when the company has proven it is able to grow fast
Management and investors are contemplating an exit and need to prepare and raise the value of the company in preparation.
When
Immediately upon formation
When they agree with and buy into your “story” of opportunity
Once proof of product-market fit is shown (typically three paying customers)
When sales and marketing are what is needed to grow
When the company is contemplating an exit
Size
$100,000 to $750,000
$1 million to $2 million
$2 million to $10 million
$10 million to $25 million
$25 million and up

Use the financing-round table to place SAFEs in the early pre-seed and seed fundraising path alongside founders, friends and family, angels, and venture capitalists. section 5.2

How Tech Startup Toolkit covers it

How deep it goes
Defines the instrument and outlines financing, failure, simplicity, and investor-protection tradeoffs without detailing full legal terms.
Examples
Uses a family investment story and a seed-program example exchanging $500,000 for 7% equity.
What it assumes
Assumes familiarity with startups and investors while defining equity, shares, convertible notes, and strategic investors in plain language.
What you can do after
Evaluate whether a simple, company-friendly future-equity instrument fits an early fundraising situation and its relationship risks.
How it connects
Connects SAFEs with convertible notes, equity, venture capital, friends-and-family financing, seed rounds, and angel investors.

Related concepts

This explainer was generated by Manning's knowledge graph from the text of Tech Startup Toolkit. The section links point to the parts of the book it draws on.