Mobius
Intermediate

What is Vesting

Also known as: share vesting, equity vesting

Vesting build-up

Vesting25%Year 150%Year 275%Year 3100%Year 4One-year cliff

Nothing vests before the cliff, then ownership climbs by milestones to the gold 100%.

Definition

The process by which an employee or founder earns full ownership of their shares or stock options over a set period of time. Rights accrue over time or upon reaching milestones, tied to service.

The earning of share ownership rights over time or upon the achievement of specific milestones, subject to continued service or performance.

Why it matters

Vesting protects the company and its founders. It ensures that equity reflects long-term contribution rather than initial excitement. Without vesting, a cofounder could leave after a few months with a massive share of the company, leaving the remaining team to do all the work and bear all the risk.

Directly related: Equity, Option pool, Dilution.

Improvement tips

  • Apply a standard four-year vesting schedule with a one-year cliff for all founders and early employees.
  • Include double-trigger acceleration clauses in vesting agreements to protect key team members during an acquisition.
  • Use performance-based vesting milestones for external consultants or advisors to ensure they deliver tangible results.

Common mistakes

  • Issuing equity to cofounders upfront without any vesting conditions or repurchase rights for the company.
  • Setting vesting schedules that are too short, allowing key contributors to walk away with major stakes after only a year.
  • Failing to document vesting terms clearly in a signed shareholder agreement, leading to costly legal disputes later.

Related terms

StartupsBeginner

Equity

Ownership interest in a company, represented by shares or stock, which defines a person's share of control, risks, and financial returns. It is calculated as total assets minus total liabilities.

StartupsIntermediate

Option pool

A block of company shares set aside for future employees, advisors, and consultants to align their incentives with company growth. Allocated as common stock, it helps attract and retain top talent.

StartupsIntermediate

Dilution

The decrease in the ownership percentage of existing shareholders when a company issues new shares of stock. It reduces ownership share and voting power for all existing stockholders.

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Quick check

What does a one-year cliff mean in a standard vesting schedule?

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Frequently asked questions

Do I need to use vesting for my own cofounder shares?
Yes, founders should always put their own shares on a vesting schedule. This protects the company if one of the cofounders decides to leave early, preventing them from taking a large piece of the company with them.
When does vesting first start for a new business?
Vesting typically starts on the date you officially incorporate the company and sign the founder agreements, or on an employee's first day of work. It continues monthly or quarterly over a set number of years.
What is a standard vesting schedule for a new startup?
The industry standard is a four-year vesting schedule with a one-year cliff. This means no shares are earned during the first year, twenty-five percent vests at the one-year mark, and the remaining shares vest monthly over the next three years.
How does vesting protect my early-stage company?
Vesting ensures that equity reflects a partner's long-term contribution rather than initial excitement. It gives the company the right to repurchase unvested shares if someone leaves the business early.
Why does vesting matter for a business already running successfully?
Without vesting, an early employee or cofounder who leaves after a few months will retain their full equity stake. This leaves the remaining team to do all the work and carry all the risk, while sharing the reward with someone who left.
How do I set up vesting milestones for external consultants?
Instead of time-based vesting, you can tie consultant equity to performance milestones, such as launching a product or reaching a sales target. This ensures the company only gives away equity when it receives tangible value.
What goes wrong when a business owner ignores vesting agreements?
Ignoring vesting can lead to costly legal disputes when a shareholder leaves. You must track vesting dates and ensure that unvested shares are formally cancelled or repurchased according to the contract.
How do I handle vesting during a company acquisition?
You can include double-trigger acceleration clauses in your agreements. This protects key employees by accelerating their vesting only if the company is acquired and they are terminated without cause.
What is vesting in simple words?
Vesting is the process of earning ownership of your shares over time. Instead of getting all your stock on day one, you earn it gradually as you continue working for the company.
Is vesting bad or risky for a founder?
No, vesting is actually a protective measure for founders. It protects you from working hard for years while a cofounder who left early gets to keep a huge share of your success.
Do I need an accountant to manage vesting schedules?
No, you do not need an accountant to track vesting. Modern cap table platforms automate the tracking and will show you exactly how many shares are vested and unvested each month.
Will setting up vesting cost my business money?
No, vesting is simply a clause in your equity agreements and does not cost any money to run. It is a legal rule that governs how shares are earned, not a financial expense.

Sources: Glossary Pilot Personalization Interview, Alex, 2026-07-16

Last reviewed: 2026-07-16