Founder Stock Purchase Agreement.
Founder Stock Purchase Agreement for C-Corp founders. Vesting, 83(b), IP assignment, repurchase right.
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This is a template, not legal advice. Templates work for many situations. Complex matters or jurisdiction-specific issues warrant attorney review.
Find an attorney →Right for these situations.
Founders need to purchase stock.
Want vesting and IP assignment documented.
Investors require founder stock subject to vesting.
From day one.
What to avoid.
30-day window. Major tax cost if missed.
Investors will require it.
Founder retaining prior IP poisons IP analysis.
Use original purchase price.
Common questions.
Why par value pricing?
What is standard vesting?
Do founders need vesting?
What is 83(b) deadline?
You may also need:
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At a glance
- What is it
- Founder stock purchase agreement template (free) is a regulated business process governed by federal or state agencies. File.Business handles the paperwork, filings, and tracking for you.
- Why it matters
- Doing this correctly the first time avoids penalties, late fees, and personal liability exposure for owners.
- Who needs it
- Any US business that has triggered the relevant requirement - usually based on entity type, state, or business activity.
- When it is due
- Deadlines vary by agency and state. We track your specific dates and remind you ahead of any filing window.
- How it works
- Tell us what you need, review the prepared filing, and we submit through the agency's official channel.
- What it costs
- Pricing is shown on this page with state and federal fees disclosed separately from our service fee.
- Risks of skipping
- Penalties, administrative dissolution, loss of liability shield, blocked transactions, or audit triggers depending on the filing.
- Alternatives
- File directly with the agency yourself, hire a law firm, or use a competing service. File.Business is the fastest premium option.