Form 3921 is a tax form that is required whenever an employee exercise an incentive stock option (ISO). For ISO exercise that occurred in 2020, employers must provide the employee or former employee the information statement no later than January 31, 2021.

Learn more about Form 3921 from the IRS and other resources.

Who needs to file a Form 3921

A company needs to file a Form 3921 for any US-based employee who has exercised an incentive stock option (ISO). Companies are not required to provide an information statement to any non-US resident or any contract who has exercised NSO grants.

What are the deadlines for filing?

  • January 31, 2021 - Provide information statement to employees

  • February 28, 2021 - Paper filing of Form 3921.

  • March 31, 2021 - Electronic filing of Form 3921


How do I file Form 3921?

Talk to your accountant and order the official Forms 3921 and 3922 from the IRS as soon as possible. Forms may be obtained online from the IRS website. You must send Form 1096 with paper copies of the Forms 3921 and 3922. Only one transaction may be recorded on each Form 3921 and Form 3922.

How do I use Pulley to file my Form 3921

Follow these instructions to generate your Form 3921 on Pulley.

Disclaimer: Prolific Labs (DBA Pulley) does not provide tax, legal or accounting advice. This material has been prepared for informational purposes only, and is not intended to provide, and should not be relied on for, tax, legal or accounting advice. You should consult your own tax, legal and accounting advisors before engaging in any transaction.


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