Simple agreement for future equity

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A simple agreement for future equity (SAFE) is an agreement between an investor and a company that provides rights to the investor for future equity in the company similar to a warrant, except without determining a specific price per share at the time of the initial investment. The SAFE investor receives the future shares when a priced round of investment or liquidity event occurs. SAFEs are intended to provide a simpler mechanism for startups to seek initial funding than convertible notes.[1][2]


The precise conditions of a SAFE vary. However, the basic mechanics[3] are that the investor provides a certain amount of funding to the company at signing. In return, the investor receives stock in the company at a later date, in connection with specific, contractually-agreed on liquidity events. The primary trigger is generally the sale of preferred shares by the company, typically as part of a future priced fund-raising round. Unlike a straight purchase of equity, shares are not valued at the time the SAFE is signed. Instead, investors and the company negotiate the mechanism by which future shares will be issued, and defer actual valuation. These conditions generally involve a valuation cap for the company and/or a discount to the share valuation at the moment of the trigger event. In this way, the SAFE investor shares in the upside of the company between the time the SAFE is signed (and funding provided) and the trigger event.

Unlike a convertible note, a SAFE is not a loan; it is more like a warrant. In particular, there is no interest paid and no maturity date, and therefore SAFEs are not subject to the regulations that debt may be in many jurisdictions. This simplicity is the primary motivation of a SAFE. "Safes should work just like convertible notes, but with fewer complications", according to startup accelerator Y Combinator.

History and criticism[edit]

Y Combinator released the Simple Agreement for Future Equity ("SAFE") investment instrument as an alternative to convertible debt in late 2013.[4] This investment vehicle has since become popular in the U.S., Canada,[5] and Israel, due to its simplicity and low transaction costs. However, as use has become more prevalent, concerns have emerged as to its possible impact on entrepreneurs, especially where multiple SAFE investment rounds are done prior to a priced equity round,[6] as well as possible dangers for non-accredited crowdfunding investors who might invest in SAFEs of companies that realistically will never obtain VC financing, and therefore never trigger a conversion into equity.[7]


  1. ^ "What is a SAFE?". Retrieved 11 October 2021.
  2. ^ "Simple Agreement for Future Equity (SAFE)". Retrieved 11 October 2021.
  3. ^ "SAFE financing documents". Retrieved 25 March 2018.
  4. ^ "SAFEs and KISSes Poised to Be the Next Generation of Startup Financing". The National Law Review. 2015-05-06. Retrieved 2016-05-05.
  5. ^ "A SAFE model for early-stage investing in Canada". 11 November 2015. Retrieved 25 March 2018.
  6. ^ Levensohn, Pascale. "Why SAFE notes are not safe for entrepreneurs". Retrieved 25 March 2018.
  7. ^ Green, Joe (June 2017). "SEC rightly concerned about 'so-called SAFE' securities in crowdfunding". Retrieved 25 March 2018.

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