I agree with the other commenter that you need to avoid distributive negotiation on one scale (% ownership or price) because its outcome is inherently zero-sum.

I agree with the other commenter that you need to avoid distributive negotiation on one scale (% ownership or price) because its outcome is inherently zero-sum. One way to resolve this, in addition to getting competing offers, is to add other elements into the negotiation so you’re no longer are negotiating on this one vector anymore. Try increasing liquidation preferences (or anything else that the invesor values more than you do) for example in exchange for the 1% percent. This way you end up with an integrative outcome: win-win situation.