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Part2-Post-money SAFEs: Dilution impact on Founders

Published on:
July 30, 2022
| Last Updated on:
February 3, 2025
Part2-Post-money SAFEs: Dilution impact on Founders
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This article is the 2nd in our 3-article series on SAFE conversions and dilution impacts.

The example provided shows the impact on ownership and dilution for both investors and Founders from 3 rounds of post-money SAFEs.

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TLDR: Our key findings are:

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  1. The shift from pre- to post-money SAFEs is largely favorable for investors; investors will simply be issued shares to maintain their post-money ownership stake.

  2. The dilution burden of multiple post-money SAFEs can be significant for Founders, especially when unplanned.

  3. Founders can mitigate this dilution risk through more diligent use of capital planning and operational execution at the pre-equity rounds.

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In case you missed it, here’s the 1st article in this series where we examine pre-money SAFE conversion.

Introduction

Pre-money SAFEs were introduced by Y Combinator in 2013 and became a standard over convertibles for their simplicity. 

This was updated to post-money conversion in 2018 and became broadly adopted in H2 2021. Our article ‘7 Ways post-money SAFES affect Founders and Angel Investors’ explains all these changes.

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The most substantive impact of this change has to do with dilution. At the time of an equity qualified financing, SAFEs are converted:

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  • Pre-money SAFEs: Multiple rounds of post-money SAFES results in dilution for both by Founders and investors.
  • Post-money SAFEs: Multiple rounds of post-money SAFES places dilution entirely on Founders.


Both pre-money and post-money SAFEs are subsequently diluted by the equity round.

The following example illustrates the impact on ownership and dilution for investors and Founders from 3 rounds of post-money SAFE financing. It simulates conversion during a qualified equity financing where the SAFEs convert at the valuation cap (not the discount).

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Note that immediately following SAFE conversion, the equity financing results in new shares being issued which would introduce further dilution. This is not reflected in this calculation for simplicity.

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Step 1: Company Founded

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Upon founding the company, 100,000 shares are created and 10% is set aside for current and future employees. The founders retain 90,000 shares and allocate 10,000 to an ESOP.

Their cap table looks like this:

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Step 2: Post-Money SAFE 1

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The company raises $2MN on post-money SAFE. It has a valuation cap of $8MN pre ($10MN post) and 0% discount.

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If an equity financing takes place above the $10MN valuation cap, the post-money SAFE converts to equity based on this calculation:

  • SAFE 1 ownership = $2MN investment / $10MN post-money cap = 20% ownership
  • 100,000 shares held by Founders and ESOP constitute 80%
  • SAFE 1 therefore will be issued 20% / 80% x 100,000 = 25,000 shares

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Prior to the equity round dilution, post-money SAFE 1 investors own 20% of the company. Founders and ESOP are diluted down to 72% and 8% respectively.

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The resulting cap table looks like this:

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Step 3: post-money SAFE 2

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Some time after taking in post-money SAFE 1, the company decides to raise an additional $3MN on a new post-money SAFE. It has a valuation cap of $15MN pre ($18MN post) and 0% discount.

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If an equity financing takes place above the $18MN valuation cap, ownership will accrue as follows:

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  • SAFE 1 ownership = $2MN investment / $10MN post-money cap = 20% ownership
  • SAFE 2 ownership = $3MN investment / $18MN post-money cap = 16.6% ownership
  • 100,000 shares held by Founders and ESOP therefore constitute 63.3%

New shares will be issued as follows:

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  • SAFE 1 = 100,000 shares / 63.3% x 20% = 31,579 shares
  • SAFE 2 = 100,000 shares / 63.3% x 16.6% = 26,314 shares


The resulting cap table looks like this:

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Notice that the addition of SAFE 2 results in 57,894 new shares being created and issued to both SAFE 1 and SAFE 2 investors to maintain their respective 20% and 16.6% shares.

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Founders now own 57% (down from 72% with only SAFE 1).

  

Step 4: post-money SAFE 3

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Let’s say the company decides to take in additional SAFE financing. They raise an additional $5MN on a new post-money SAFE. It has a valuation cap of $25MN pre ($30MN post) and 0% discount.

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If an equity financing takes place above the $30MN valuation cap, ownership will accrue as follows:

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  • SAFE 1 ownership = $2MN investment / $10MN post-money cap = 20% ownership
  • SAFE 2 ownership = $3MN investment / $18MN post-money cap = 16.6% ownership
  • SAFE 3 ownership = $5MN investment / $30MN post-money cap = 16.6% ownership
  • 100,000 shares held by Founders and ESOP therefore constitute 46.7%

New shares will be issued as follows:

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  • SAFE 1 = 100,000 shares / 46.7% x 20% = 42,857 shares
  • SAFE 2 = 100,000 shares / 46.7% x 16.6% = 35,714 shares
  • SAFE 3 = 100,000 shares / 46.7% x 16.6% = 35,714 shares


The resulting cap table looks like this:

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The addition of SAFE 3 results in 114,286 new shares being created and issued to SAFE 1, SAFE 2 and SAFE 3 investors to maintain their respective post-money ownership.

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Founders now own 42% (down from 72% with only SAFE 1).

Conclusion

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As an investor, the addition of new post-money SAFEs following your investment simply results in more shares being issued to you to maintain your ownership. The table below- based on our example- captures the dilution impact of post-money SAFEs 2 and 3 from the perspective of a SAFE 1 investor.

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The dilution burden of multiple rounds of post-money SAFE financing solely impacts Founders upon conversion. The below table illustrates the dilution impact to Founders from our example.

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Founders should focus on avoiding unplanned fundings, especially using post-money SAFEs. As such we recommend for Founders to pay particular attention to:

  • Diligent forecasting of fundraising capital: Plan for what you need and fundraise accordingly.
  • Operational execution and target setting: Model your business targets and track execution against it, especially where cashflow and runway may be impacted.

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In case you missed it, here’s the 1st article in this series where we examine pre-money SAFE conversion.

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Jed Ng
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Jed Ng

“Jed is the Founder of AngelSchool.vc - a program dedicated to helping angels build their own syndicates.

He has a track record of exits and Unicorns, and is backed by 1500+ LPs.

He previously built and ran the world's largest API Marketplace in partnership with a16z-backed, RapidAPI".

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