The article now answers this, I believe:<p>&gt; You have 7 years to exercise your [ISOs] after you stop working at Clef, but by law the options only count as ISOs for 90 days after you stop working. Once those 90 days are up, the options count as non-qualified stock options<p><a href="https:&#x2F;&#x2F;github.com&#x2F;clef&#x2F;handbook&#x2F;blob&#x2F;master&#x2F;Hiring%20Documents&#x2F;Guide%20to%20Your%20Equity.md#exercising-your-options" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;clef&#x2F;handbook&#x2F;blob&#x2F;master&#x2F;Hiring%20Docume...</a>