I got kinda sucked into this situation a long time ago.. You don't own the product and your stock is now worthless. Being unshakably loyal to a product you don

I got kinda sucked into this situation a long time ago.. You don't own the product and your stock is now worthless. Being unshakably loyal to a product you don't own and a company you don't own is undermining your negotiating power and is not in your best interest. Letting go of your attachments and making it clear you are comfortable with walking away is very important. If the product is all in your head and would take a small army of code monkeys to maintain or expand otherwise, then you actually may be the only true salable asset the company has. Even though the negotiation is technically around the product, it's you who would be up on the auction block. If you walk away, they have nothing. That's your bargaining chip. However, if they haven't already discussed a specific buyer who's on deck, I'd be skeptical that the business is even salable. Don't jump the gun on assuming they'll sell it as an acquihire, you may very well end up without a job very soon. I'd go out and start interviewing, it's a fallback if the sale never materializes and leverage at the negotiation table if it does. Also the founders at best might get an employment offer from the acquirer, if they're lucky. You as the product mastermind however may be able to negotiate with the buyer for all kinds of things like extra cash, a good title, a 3 day workweek etc..