Pro-Rata Rights

An investor's right to invest in future rounds to maintain their ownership percentage.

Definition

Pro-rata rights (also called pre-emptive rights or participation rights) give existing investors the right to participate in future funding rounds to maintain their ownership percentage. If an investor owns 10% and the company raises a new round, pro-rata rights let them invest enough to keep their 10% stake. This isn't an obligation - investors can choose not to exercise.

Pro-rata rights are valuable because later rounds often have better terms and higher valuations. Early investors want the option to double down on winners.

Why it matters for founders

Pro-rata rights affect how much room is available for new investors in future rounds. If all existing investors exercise pro-rata, there may be less allocation for new lead investors. Founders should understand pro-rata implications when modeling future rounds.

Example

An angel who invested $100K for 5% at seed gets pro-rata rights. At Series A ($20M pre-money, raising $5M), they can invest $1M (5% of $20M) to maintain their 5% ownership. If they don't exercise, their stake dilutes to ~4% after the new shares are issued.

How Foundra helps

Foundra helps founders model cap table scenarios including pro-rata exercises to understand how existing investor rights affect future fundraising flexibility.

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