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IRS Form 3921 (Tax Year 2026)

Exercise of an Incentive Stock Option Under Section 422(b)

IRS Form 3921 is used to report the transfer of stock acquired through the exercise of an Incentive Stock Option (ISO). Employers must provide the form to employees and file it with the IRS.

Pricing

Small to Mid-Size Filers

$249

Enterprise / High Volume

File with Confidence

HOW OUR IRIS FILING PROCESS WORKS

Upload Your File

Upload your Excel or CSV file securely.

We Validate & Format

We format and validate your data to IRS standards.

Review & Approve

We generate IRS-ready PDFs for your approval.

Filed Directly to IRS

Your forms are e-filed securely using IRIS.

No manual processing. Fully automated IRIS submission.

Frequently Asked Questions (FAQs)

Simply upload your Excel or CSV file through our secure portal. We review and validate the data, generate the IRS XML and Copy B forms in PDF. Once the PDFs are approved, we electronically file the returns through the IRS IRIS A2A system on your behalf.

No. You do not need your own TCC, ID.me account, or IRIS configuration. We transmit filings using our established IRS IRIS A2A connection.

Yes. We support original filings, corrected returns, and prior-year Form 3921 submissions through the IRS IRIS system.

Yes. We work with high-volume filers needing efficient Form 3921 IRIS e-filing services.

After transmission, the IRS processes the filing and provides acknowledgement information. We provide filing confirmations and status updates for your records.

Recipient copies are generally due by January 31, and electronic filing with the IRS is generally due by March 31.

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