I did the same thing once; early exercising my options in a couple batches as I had the money to do so, and filing an 89b election. Ultimately I had to borrow s

I did the same thing once; early exercising my options in a couple batches as I had the money to do so, and filing an 89b election. Ultimately I had to borrow some money on a personal loan in order to exercise the last of my options as the value was starting to ramp fast leading up to the IPO.