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Form 3921: Key Takeaways!

  • Corporations are required to file Form 3921 for each stock transfer made to a person upon the exercise of their Incentive Stock Option (ISO) specified in section 422(b).
  • As a corporation, you are required to file Form 3921 with the IRS and provide recipient copies before the deadlines. The filing and recipient deadlines for Form 3921 differ, as outlined below.
Filing Methods Deadline
Recipient Copy Distribution January 31
E-filing Deadline March 31

TaxBandits simplifies the filing of Form 3921 with our Time-Saving Features!

What information is Required to File Form 3921?

TaxBandits for Every Business Form 3921 for 2024
  • 1. Transferor Details: TIN, Name, Address
  • 2. Employee Details: TIN, Name, Address
  • 3. Incentive Stock Option Details:
    • i. Date option Granted and exercised
    • ii. Exercise price per share
    • iii. The fair market value (FMV) on the exercise date
    • iv. The number of shares transferred
    • v. If other than Transferor, Name, Address, and TIN of Corporation whose stock is
      being transferred

Get Started with TaxBandits to e-file your Form 3921 in minutes!

Why Choose TaxBandits to File Form 3921?

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Address Book

Import business and recipient information from your Address Book for quick, error-free submissions.

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Internal Audit Check

Our system validates your data against IRS business rules, notifies you of any errors, and ensures an error-free filing experience.

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TIN Validation

Ensure accuracy by validating your employee TIN against the IRS database. This helps you e-file your 3921 correctly.

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Get Instant Filing Status

Receive real-time updates on your 3921 filings via email or track them anytime from your dashboard.

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Recipient Copy Distribution

Distribute 3921 recipient copies via postal mail or online access. You can also download copies and mail them to the recipient on your own.

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Supports Multiple Tax Years

TaxBandits supports filing for current (2024) and prior year filings (2023 & 2022).

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Pro Features Designed for Tax Professionals

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BanditCollab (Team Management)

Add unlimited team members to streamline your workflow. Assign your staff roles—Preparer, Approver, and Transmitter—based on their filing responsibilities.

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BanditConnect (Client Management)

Communicate and securely share files with your clients using BanditConnect. Customize the secure portal to reflect your branding.

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Custom Reports

Gain insights into staff activities and client filings with detailed reports. Enhance decision-making with in-depth analytics.

How to E-file Form 3921 with TaxBandits?

Create your free account and follow these simple steps to e-file your Form 3921 effortlessly!

Choose Form 3921
 Enter Form 3921 Details
 Choose Distribution Options
Review Form 3921 Information
Transmit the Form to the IRS
TaxBandits for Every Business

Success Starts with TaxBandits!

The Smart Choice for Filing Form 3921

Frequently Asked Questions on Form 3921

What is IRS Form 3921?

Form 3921 is used to report certain information about stock incentive options that are offered by a corporation during a calendar year. When corporations offer incentive stock options (ISO) to their employees and the employees exercise these options, this must be reported to the IRS.

There are three copies of Form 3921:

  • Copy A must be filed with the IRS
  • Copy B must be distributed to the employee that exercised the stock option
  • Copy C should be maintained for the corporation’s records

Who must file Form 3921?

Corporations must file Form 3921 if they transfer stock to an employee through an incentive stock option (ISO) exercise. It’s required to report the ISO exercise details to the IRS and the employee.


When is the due date to file Form 3921?

Here are the deadlines for Form 3921:

  • The deadline to distribute employee copies is January 31st.
  • The deadline to file paper copies with the IRS is February 28th.
  • The deadline to file electronically with the IRS is March 31st.

What are the penalties for not filing Form 3921?

The IRS can charge penalties for late filing or failing to file Form 3921, which vary from $60 to $330 per form.


What is the difference between IRS Form 3921 and 3922?

While both forms are used to report information about employee stock options, Form 3921 is used to report stocks that were transferred when an employee exercised their Incentive Stock Options (ISO) under IRS Section 422(b). Form 3922 is used when stocks are transferred through an Employee Stock Purchase Plan (ESPP) under IRS Section 423(c).

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