RSAs vs. RSUs: Navigating Startup Equity Compensation

For startup founders and employees, equity compensation is not just a financial detail - it’s a strategic tool for growth, retention, and alignment.

For startup founders and employees, equity compensation is not just a financial detail - it’s a strategic tool for growth, retention, and alignment. Two of the most common equity instruments are Restricted Stock Awards (RSAs) and Restricted Stock Units (RSUs). While they sound similar, they operate very differently.

What Are RSAs and RSUs?

While RSAs and RSUs might sound similar, they are fundamentally different equity compensation tools: 

  • RSAs: Actual shares issued immediately, subject to vesting restrictions 
  • RSUs: A promise to issue shares upon meeting specific vesting conditions

Key Differences to Understand

Company Stage Considerations

  • RSAs: Ideal for very early-stage startups with low fair market value 
  • RSUs: Better suited for later-stage companies with established valuations

Vesting Mechanics

  • RSAs: Issued immediately with company repurchase rights 
  • RSUs: Only issued after vesting milestones are achieved

Tax Implications

RSAs

  • Taxed at grant date 
  • Potential for 83(b) election 
  • Opportunity for capital gains treatment

RSUs

  • Taxed when shares are actually delivered 
  • Taxed at ordinary income rate 
  • No 83(b) election required

Termination Scenarios

  • RSAs: Unvested shares can be repurchased by the company 
  • RSUs: Unvested units are typically forfeited immediately

Impact on Company Capitalization

The choice between RSAs and RSUs can significantly affect a startup's: 

  • Ownership structure 
  • Investor attractiveness 
  • Future funding opportunities

Acquisition Considerations

During mergers or acquisitions, RSAs and RSUs may be: 

  • Converted to acquiring company's equity 
  • Cashed out at fair market value 
  • Continue vesting under original terms

Choosing the Right Equity Compensation

Startups should consider: 

  • Current company valuation 
  • Long-term growth strategy 
  • Employee retention goals 
  • Tax efficiency
  • Potential dilution impacts

Conclusion

Selecting between RSAs and RSUs is more than a legal technicality—it's a strategic decision that can shape your startup's future. The right approach depends on your specific circumstances, company stage, and long-term objectives.

Our firm specializes in helping startups design comprehensive equity compensation strategies that align with their unique vision and goals. We can provide personalized guidance to ensure your equity approach supports both employee motivation and company growth.

Frequently Asked Questions

FAQs

When should a startup use RSAs instead of RSUs?

RSAs are generally more effective for very early-stage startups with low valuations, since they allow employees and founders to lock in minimal tax liability through an 83(b) election.

Do RSUs qualify for the 83(b) election?

No. Only RSAs (and certain stock options) are eligible for the 83(b) election. RSUs are taxed when delivered, typically at ordinary income rates.

Which is more favorable for employees—RSAs or RSUs?

It depends on company stage. RSAs can be advantageous early on, while RSUs may be more predictable in later-stage or pre-IPO companies with higher valuations.

How do RSAs and RSUs affect investors?

Both create dilution, but investors often prefer structures that are clearly documented and aligned with the company’s stage. RSAs may be easier at incorporation, while RSUs are common once valuation increases.

Category:
Equity

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