[mdon]

ISOs are not universally better. They have a 24 month time requirement while NSOs only have a 12 month requirement.

[arcticbull]

I believe selling within the 24 month window is considered a disqualifying disposition which effectively just converts your ISOs into NSOs [1]

[1] https://www.mystockoptions.com/content/what-is-a-disqualifyi...