Startup Employee Equity Guide: Percentages, Vesting, and Negotiation

Understanding startup equity is the single most important financial skill for any startup employee. Your equity package could be worth nothing—or it could change your life. This guide shows you exactly what to expect, how to calculate value, and how to negotiate better.

The Big Question: What Percentage Should You Get?

Equity percentages vary wildly based on role, seniority, and company stage. Here are the benchmarks:

Key Factors That Impact Your Offer:

• Company stage: Earlier joiners get more equity (but more risk)
• Seniority: More experience = more equity
• Role impact: Revenue-generating and technical roles often get more
• Location: SF/Bay Area candidates typically get more than remote
• Salary tradeoff: Lower salary often = more equity (but negotiate both!)

Understanding Vesting: The 4-Year Cliff Schedule

Almost all startup equity follows the 4-year vesting schedule with a 1-year cliff. Here's what that means:

• Total vesting period: 4 years
• Cliff: If you leave before 1 year, you get nothing
• After cliff: You own 25% of your grant
• Monthly vesting: ~1/48th of your grant vests each month

Vesting Example:

You're offered 0.5% equity. Here's how it vests:

• Month 12 (cliff): 0.125% vests (25% of 0.5%)
• Month 24: Another 0.125% vests (Total: 0.25%)
• Month 36: Another 0.125% vests (Total: 0.375%)
• Month 48: Final 0.125% vests (Total: 0.5%)

Stock Options vs. Restricted Stock Units (RSUs)

Most startups offer stock options, not direct equity. Here's the difference:

Incentive Stock Options (ISOs)

• Only for employees (not contractors)
• Better tax treatment (qualify for long-term capital gains)
• $100,000 annual limit on exercisable options
• Subject to Alternative Minimum Tax (AMT) when exercised

Non-Qualified Stock Options (NSOs)

• For anyone (employees, contractors, advisors)
• Taxed as ordinary income on exercise
• No annual limit
• No AMT impact

Restricted Stock Units (RSUs)

• More common at later-stage startups (Series C+ or pre-IPO)
• No strike price—you own the stock when it vests
• Taxed as ordinary income when they vest
• Often have double-trigger vesting (acquisition + departure)

Calculating Your Equity's Potential Value

Your equity is only as valuable as the company's exit. Here's how to think about it:

The Exit Math:

You own 0.5% of the company. If the company sells for:

• $10M → Your equity = $50,000
• $50M → Your equity = $250,000
• $100M → Your equity = $500,000
• $500M → Your equity = $2,500,000
• $1B → Your equity = $5,000,000

Exercise Costs Matter!

If you have options (not RSUs), you need to exercise them to own the stock. This costs money:

Exercise cost = Number of options × Strike price

Example: 10,000 options with $1 strike price = $10,000 to exercise

You'll also owe taxes on the "bargain element" (difference between strike price and fair market value). Use our Equity Tax Calculator to estimate your exercise costs.

Negotiating Your Equity Offer

You can negotiate your equity offer. Here's how:

Before Negotiation:

1. Research benchmarks: Use the table above to know what's fair
2. Calculate the value: Run the math on potential exit scenarios
3. Consider salary: Are they offering below-market cash? Ask for more equity
4. Assess risk: Earlier stage = more risk = more equity deserved

Negotiation Scripts:

Ask for more equity:
"I'm excited about the role and believe I can significantly impact [specific metric]. Based on my experience and the market benchmarks for this role stage, I'd like to discuss increasing the equity offer to [X]%."

Trading salary for equity:
"I understand the startup needs to manage cash burn. I'd be open to a lower base salary in exchange for additional equity—specifically, reducing my salary by $[X] in exchange for an additional [Y]% equity."

Asking about refresh grants:
"How does the company handle equity refresh grants for employees who stay and grow? What should I expect in terms of additional equity as I progress?"

Red Flags to Watch For

• No clear cap table: They won't tell you total outstanding shares
• Unreasonable strike price: Strike price is way above the last 409A valuation
• No vesting acceleration: No accelerated vesting on acquisition
• Massive option pool: Huge unallocated option pool means massive future dilution
• Vague promises: "We'll take care of you later" without specifics

Action Items: What to Do With Your Offer

1. Calculate your percentage: Divide your option grant by total fully diluted shares
2. Compare to benchmarks: Use the table above—does your offer match?
3. Model exit scenarios: What's your equity worth at different exits?
4. Check the strike price: Is it reasonable compared to the 409A valuation?
5. Understand the cap table: How much dilution will you face in future rounds?
6. Negotiate: If below benchmarks, ask for more (or more salary)

FAQ: Common Employee Equity Questions

What's better: higher salary or more equity?
It depends on your risk tolerance. Early in your career, higher salary may be more valuable. Later in your career with more savings, equity bets can pay off massively. Diversify—don't bet your entire career on one startup.

Should I exercise my options if I leave?
Only if you believe in the company's exit potential and can afford the exercise cost + taxes. You typically have 90 days post-departure to exercise ISOs (or NSOs if the company allows).

What happens to my equity if I'm fired?
You keep your vested equity. You typically have 90 days to exercise options. Unvested equity is forfeited.

How do I know if my offer is fair?
Compare your percentage offer to the benchmarks above. Use our Equity Score Calculator to get an instant fairness assessment.

What's a typical option grant for a senior engineer?
Post-Series A: 0.3% - 0.8%. Early employee (#1-10): 1.5% - 3.0%. Use our Offer Comparison Tool to compare multiple offers.

Next Steps

You now have the framework to evaluate your startup equity offer. The key takeaway: your equity is a lottery ticket with a known probability distribution. Understand the math, negotiate smartly, and make informed decisions.

Use our free tools to model your scenarios:

• Equity Score Calculator — Is your offer fair?
• Offer Comparison Tool — Compare multiple offers
• Equity Tax Calculator — Calculate exercise taxes