Vesting Period The period of time that it takes before the option to buy stock can be exercised in whole or in part provided that the holder satisfy certain conditions, typically maintaining their employment with the company. Home Resources How to Start a Business: An Entrepreneur’s Legal Guide Glossary Vesting Period Return to Glossary Need legal help? Schedule a free consultation with a world-class startup attorney on LawTrades. LET'S CHAT Roy G. Business Attorney Heather N. Business Attorney Jared S. Business Attorney Tell us about your project We'll connect you with a vetted attorney in just a few minutes. Trusted by top companies like :