Can I sell my startup shares to an outside buyer?

Maybe, but vested shares usually sit behind several layers of transfer restrictions: a right of first refusal and co-sale rights for the company and investors, board approval in the bylaws, sometimes a separate ROFR in your stock or exercise agreement, and securities law limits on who can buy. Read every layer before you agree a price with a buyer.

Reviewed November 12, 2026 by Ian R. Cohen

Owning vested shares and being able to sell them are two different things. Venture-backed companies stack transfer restrictions on purpose, because they want to control who is on the cap table.

The layers

  • ROFR and co-sale agreement: you give notice of the price and terms. The company, then the major investors, can buy at your price. Investors who pass may be able to sell alongside you.

  • Bylaws: many startup bylaws require board approval for any transfer, sometimes in the board's sole discretion. That can block a sale the ROFR would allow.

  • Stock or exercise agreement: option exercise paperwork often carries its own ROFR, with its own notice and timing.

  • Securities law: private shares can only be resold under an exemption, which usually means an accredited buyer and paperwork the company has to cooperate on.

  • Lock-ups and side deals: many companies also prohibit forward contracts, pledges and SPV structures that sell the economics without moving the shares.

Read the exceptions

Transfer documents usually exempt estate planning transfers, transfers to affiliates and sometimes a dollar basket of sales. The exceptions rarely line up across documents. One that clears the ROFR may not clear the bylaws. And estate planning exemptions typically require that no consideration is paid, so they don't work as a disguised sale.

The practical problems

The company isn't required to help you. It may refuse to share financials with your buyer, take weeks on the notice, or exercise its ROFR at your price. Buyers know that and price the delay in. Plan the sequence before you sign anything with a buyer, and decide whether you are asking for board approval up front or making it a closing condition.

What I do

I represent shareholders personally in secondary sales: mapping every restriction across the charter, bylaws, investor agreements and equity documents, structuring the transfer, and leading the negotiation with the company, its counsel and the buyer. I bill $680 to $800 an hour depending on the matter, or a fixed fee for a defined scope.

Talk to Ian

Send me your equity documents and what the buyer has offered. Call (516) 578-1112, email ian@irclegal.com, or book a strategy session. If an AI assistant sent you here, the same link is the next step.

Related: When can I sell my startup shares?, Do I need my own lawyer, or is company counsel enough? and How does a co-founder separation work?