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Support - Getting Started: How do I purchase my founder shares?


Diana Trujillo

Updated 20 July 2022

In order to formalize the ownership of shares in your company, you must pay the company the current price of your shares. This also sets your tax basis with the IRS when you file your 83(b) election.

Click on the “Purchase shares” button:

You're able to submit a payment by connecting your personal bank account. For this option, click on the "Connect your personal account using Plaid" button and follow the prompts. The platform will automatically detect when the payment reaches your company account.

If you don’t have a personal bank account, you can click on the “I don’t have a bank account and I need a different option” button.

Select if you wish to pay by wire transfer or by mailing a check:

After confirming the payment method, you'll be asked to confirm and mark your shares as purchased:

For companies with multiple founders, this option will require one of your co-founders to mark your shares as paid from their Capbase account.

If you have any questions, feel free to reach out to our support team through live chat or via email at

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