The Founder's Guide to RSUs: When and How to Switch from Options
Stock options are standard for early-stage startups, but as you scale, high exercise costs make them toxic for hiring. RSUs are the answer—but only if you use them correctly. Here’s the tactical guide.
TL;DR: Founders should use stock options in the early stages and switch to Restricted Stock Units (RSUs) around Series C, or whenever the option exercise cost becomes too high for new hires. Private company RSUs must use a "double-trigger" vesting plan (time-based + liquidity event) to prevent a tax disaster for employees. Mismanaging your equity strategy can cripple hiring and morale.
Key takeaways
- Stick to stock options until your 409A valuation makes exercise costs a burden for new hires.
- Switch to RSUs around Series C to compete for talent with late-stage and public companies.
- Always use a 'double-trigger' vesting schedule for private company RSUs to defer taxes.
- Clearly explain to candidates how your RSUs work to build trust and close hires.
- Model the dilution from your RSU pool carefully; they are more dilutive per share than options.
- Never issue single-trigger RSUs at a private company. It creates a tax crisis for your team.
RSUs vs. Stock Options: The Core Difference
Your equity plan isn’t just an administrative task—it’s a strategic weapon. Wield it correctly, and you can attract and retain world-class talent. Wield it poorly, and you create tax nightmares for your team and lose hires to competitors.
While Incentive Stock Options (ISOs) are the default for early-stage startups, Restricted Stock Units (RSUs) become essential as your company matures. Understanding the fundamental distinction is your first step.
- Stock Options are an appreciation right. They grant the right to buy shares at a fixed “strike price.” They only become valuable if the company’s share price rises above that price. The gain is the spread, and the employee must pay cash to realize it.
- RSUs are a full-value grant. They are a promise to deliver actual shares in the future, with no purchase required. They are valuable as long as the company's stock is worth more than $0.
The key mental model: Options are a lottery ticket for high-risk, high-reward upside. RSUs are a deferred, stable paycheck denominated in stock.
A Tale of Two Offers
Imagine a candidate receives a grant valued at 00,000 for a company with a current share price (409A valuation) of $50.
- The Option Grant: The candidate might receive options for 8,000 shares with a strike price of $50/share. If the company IPOs at
00, they have a paper gain of $400,000. But to realize it, they first have to write a check for $400,000 (8,000 * $50) to exercise the options. This is impossible for most people.
- The RSU Grant: The candidate receives 4,000 RSUs (
00,000 / $50). At a 00 IPO price, these shares are worth $400,000. The company delivers the shares with no purchase cost. The value is tangible and immediate.
When to Switch from Options to RSUs: The Founder's Litmus Test
Using the wrong equity at the wrong stage is a classic, unforced founder error. The right choice depends almost entirely on your company's valuation and the resulting option exercise cost.
Early Stage (Pre-Seed to Series B): Stick with Stock Options
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