{"id":1510,"date":"2019-07-02T00:00:00","date_gmt":"2019-07-02T00:00:00","guid":{"rendered":"http:\/\/www-staging.carta.com\/sg\/?p=1510"},"modified":"2021-03-05T06:57:40","modified_gmt":"2021-03-05T06:57:40","slug":"what-is-the-100k-iso-limit","status":"publish","type":"post","link":"https:\/\/www-staging.carta.com\/sg\/blog\/what-is-the-100k-iso-limit\/","title":{"rendered":"What is the $100K ISO limit?"},"content":{"rendered":"\r\n

The $100K ISO limit (also known as the $100K rule) prevents employees from treating more than $100K worth of exercisable options as incentive stock options (ISOs) in a year.<\/p>\r\n\r\n\r\n\r\n

Incentive stock options (ISOs<\/a>), as opposed to non-qualified stock options (NSOs), qualify for favorable tax treatment by the IRS. The $100K ISO limit is an effort to prevent abuse of this tax benefit. Anything in excess of $100K worth of stock options exercisable in one year is treated by the IRS as NSOs.<\/p>\r\n\r\n\r\n\r\n

To comply with the $100K rule, you can divide option grants that exceed the $100k threshold into ISO and NSO portions. This division is commonly called an ISO\/NSO split.<\/p>\r\n\r\n\r\n\r\n

Why you should care about the $100K rule<\/h3>\r\n\r\n\r\n\r\n

The $100K rule could affect the amount of taxes that your company needs to withhold (or that your employees will owe). This is because ISOs and NSOs are taxed differently\u2014NSOs are usually taxed both when your employees exercise (i.e. purchase) and<\/em> when they sell stock, while ISOs are usually only taxed when employees sell. Plus, your company can take a tax deduction when your employees exercise NSOs, but not ISOs.<\/p>\r\n\r\n\r\n\r\n

It\u2019s important to understand when the $100K rule triggers and plan ahead. After you issue an equity grant, it can be difficult to change or amend the grant.<\/p>\r\n\r\n\r\n\r\n

With Carta, you don\u2019t have to manually check that each of your grants follows the $100K rule. With all of your cap table data in Carta, our platform automatically takes care of ISO\/NSO splits for you<\/a>.

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Download the $100K limit guide<\/h3>\r\n

[marketo-form form_id=”5363″]<\/p>\r\n\r\n


What the $100K ISO rule says<\/h3>\r\n\r\n\r\n\r\n

According to the U.S. Internal Revenue Code, \u00a7422(d)(1-3)<\/a>, you need to know the following in order to determine if you exceed the $100K limit:<\/p>\r\n\r\n\r\n\r\n