IRS Forms

Form 3922 – ESPP Basis, Holding Period & 1099‑B Corrections

Practitioner guide to Form 3922 for 2025 ESPP transfers: the eight boxes, §6039 furnishing and e-file deadlines, 1099-B basis corrections, and copy-paste checklists.

20 min read Updated Jun 5, 2026
Editorial Standards
How we research, review, and update this guide

Every Accountably guide is researched against primary IRS sources, reviewed by a U.S. CPA, and refreshed as guidance evolves. Read our Editorial Guidelines to see how we source, fact-check, and update our content.

Tell us who you are – we will jump to what matters most:

From my side of the desk, the worst ESPP cleanups never start with Form 3922 itself. They start in March, when a client forwards a 1099-B showing a large gain on shares they barely profited on. The broker reported only the discounted price paid and ignored the discount and the dates sitting in Box 4 and Box 5 of a Form 3922 the client filed away in January and forgot about.

That correction, pulling the right boxes and adjusting cost basis when the sale is reported, is the difference between an accurate return and a real overpayment. This guide walks through what each of the eight boxes on Form 3922 means, how it feeds your sale, the §6039 deadlines plan administrators have to hit, and the mistakes we clean up every season so you can stay ahead of them.

Key Takeaways

  • Form 3922 is an informational statement for ESPP shares under Section 423(c). You do not attach it to your tax return, you retain it for sales reporting.
  • Employers or their agents must furnish Copy B to you by January 31, and they must file with the IRS by March 31 if e‑filing, or February 28 if paper filing, though paper filing is allowed only when fewer than 10 total information returns are filed across all categories; at 10 or more, e‑filing is mandatory. Penalties apply if they miss or file incorrectly.
  • You will use Form 3922 to confirm the acquisition date, number of shares, purchase price, and FMV on key dates. These inputs drive your basis, your holding period, and your sale classification on Form 8949 and Schedule D.
  • Brokers often omit ESPP discounts or other details in box 1e of Form 1099‑B. Use data from Form 3922 to compute and enter a basis adjustment so your gain or loss is accurate.
  • Keep each Form 3922 until every related share is sold and fully reported, it is your documentation if the IRS ever asks questions.

What Form 3922 is, and who receives it

Form 3922 documents the first transfer of legal title to shares you acquired through a qualifying ESPP. If your company runs a Section 423 plan and you acquired shares at a discount (any purchase price below 100% of the grant-date fair market value, not only the common 15% discount) or on terms where the exercise price was not fixed or determinable at grant, your employer or transfer agent must issue Form 3922 for that lot. You receive it after the initial transfer of legal title following the purchase period.

It is not a tax form you file, it is an information return furnished to you and filed with the IRS under IRC §6039. You will use it later when you sell, to reconcile your broker’s 1099‑B. The IRS instructions explicitly describe who must file Form 3922 and the conditions that trigger it, including discount pricing or pricing that was not fixed at grant.

If shares land in a brokerage account set up for you, that deposit after purchase is often the first legal transfer, which is what triggers Form 3922 for that lot.

When Form 3922 is issued and the deadlines you should expect

Here is the timing you can count on. Companies must furnish your Copy B by January 31 for prior‑year transactions, and they must file with the IRS by March 31 if they e‑file or February 28 if they paper file. If a due date falls on a weekend or federal holiday, the next business day applies. Beginning with returns due in 2024 and after, many filers must e‑file when they have 10 or more total information returns across categories.

Why this matters to you, those dates tell you when to look for Form 3922 and when to start checking that your broker data matches. Publication 525 also reminds employees that they should receive Form 3922 for ESPP shares and that they should keep it for their records.

  • Furnish to employees: January 31
  • File with IRS on paper: February 28
  • File with IRS electronically: March 31
  • Late or incorrect filings can draw penalties that increase after August 1, so plan ahead if you administer a plan.

What is reported on Form 3922

Think of Form 3922 as the blueprint for your ESPP lot. These boxes are the ones you will use most often when you sell:

  • Box 1, Date option granted.
  • Box 2, Date option exercised, your purchase date.
  • Box 3, FMV per share on grant date.
  • Box 4, FMV per share on exercise date.
  • Box 5, Exercise price paid per share.
  • Box 6, Number of shares transferred.
  • Box 7, Date legal title first transferred.
  • Box 8, Exercise price as if exercised on grant date, only if the price was not fixed or determinable at grant.

You will use the purchase date and the date legal title transferred to start your holding period clock. You will use the exercise price and the FMV at exercise to determine potential ordinary income for disqualifying dispositions, and to build the correct basis that flows to your Form 8949.

How Form 3922 connects to your ESPP sale and your 1099‑B

When you sell ESPP shares, the 1099‑B from your broker reports proceeds, and often a basis that does not reflect your plan discount or the right dates. That is normal, many broker feeds do not capture ESPP nuances. You fix this by using Form 3922 to compute the correct basis and, if needed, you enter an adjustment on Form 8949 so your gain or loss is right. Publication 525 explains how ordinary income from a disqualifying disposition increases your basis, which is a common source of mismatches.

When Form 3922 matters the most

  • Validate cost basis. Compare the broker’s box 1e basis on 1099‑B to your purchase price and any discount from Form 3922. If the broker omitted discount effects, compute the correct basis and plan to adjust.
  • Confirm holding period. Use the legal title transfer date and offering dates from Form 3922 to decide whether the sale is qualifying or disqualifying. Qualifying requires at least two years from the offering date and one year from the purchase date.
  • Categorize income. Disqualifying sales can create ordinary income up to the discount or up to the spread at purchase, depending on facts. Publication 525 details how to split ordinary income and capital gain, and it reminds you to increase basis by the ordinary income you report.
  • Substantiate records. Keep every Form 3922 until all shares in that lot are sold and reported.

Basis corrections you will likely need

Because many 1099‑Bs ignore ESPP discounts, you often must adjust basis. Start with the exercise price from Form 3922, then apply Publication 525 rules for ordinary income on a disqualifying sale. Increase your basis by the ordinary income you report, which prevents taxing the same dollars twice. Enter an adjustment in the 1099‑B section of your tax software so the right basis flows to Form 8949 and Schedule D.

A simple ESPP sale example

Here is a quick, rounded example to show where Form 3922 helps.

  • You bought 200 shares at $17 using a 15 percent discount off a $20 FMV at purchase.
  • Your Form 3922 shows the purchase date and FMV at purchase of $20, along with the exercise price of $17.
  • You sold all 200 shares six months later at $24, which is a disqualifying disposition.

Under Publication 525, ordinary income is the lesser of the discount based on grant or the spread at purchase, which in many common plans equals the purchase discount. Here, ordinary income is $3 per share. You add this $600 to wages and increase basis by $600. Your adjusted basis becomes $3,400, that is $17 × 200 = $3,400, then you add the ordinary income to basis if required by your facts. Your capital gain is sale proceeds minus adjusted basis. Form 3922 provides the exact dates and purchase amounts you need to compute and document these numbers.

Keep the Form 3922 PDF with your return files for the sale year. If your broker later issues a corrected 1099‑B, you will have everything ready to update.

When not to enter anything from Form 3922

If you did not sell or otherwise dispose of your ESPP shares this year, do not enter Form 3922 anywhere on your return. There is no income simply because you acquired shares in a Section 423 plan. Use Form 3922 for recordkeeping only, and bring it back out when you sell. Publication 525 confirms you should keep the information for your records and use it when you report the sale.

No sale this year

  • Do not enter Form 3922 on the current return.
  • Verify that your grant date, purchase date, share count, and price on Form 3922 match your brokerage statements.
  • Track the cost basis for each lot so you can reconcile 1099‑B when you eventually sell.

Keep it for your records

Store each Form 3922 with your tax and investment records until every share in the lot is sold and fully reported. If the IRS ever asks about acquisition dates or basis, Form 3922 is your proof. If you receive multiple 3922s over time, organize them by lot so you can match sales accurately.

Using Form 3922 to determine basis and holding period

This is the repeatable method our team recommends when you prepare a sale:

  • Start with the legal title transfer date in Box 7 to mark your “date acquired” for holding period.
  • Pull the exercise price from Box 5 and the FMV at exercise from Box 4.
  • Apply ESPP rules from Publication 525 to identify any ordinary income for a disqualifying sale, then increase your basis by that amount.
  • Compare your computed basis to 1099‑B box 1e, and enter an adjustment if they differ.
  • Document everything with a short worksheet and save it with your Form 3922.

Step by step, reporting an ESPP sale in tax software

Use this checklist when you enter an ESPP sale so your numbers land in the right places.

  • Gather your 1099‑B and the matching Form 3922 for that lot.
  • Confirm the acquisition date from Box 7 and the purchase details from Boxes 4 and 5.
  • In the 1099‑B entry, check the basis in box 1e. If it does not reflect your ESPP discount rules, select adjust cost basis.
  • Compute ordinary income if the sale is disqualifying, then increase basis by that amount per Publication 525.
  • Make sure your entry flows to Form 8949 and Schedule D and that short term or long term treatment matches your dates.
  • Save a PDF of the calculation with your Form 3922 for your records.

Recordkeeping best practices for Form 3922

Treat each Form 3922 as a permanent basis record for that ESPP lot.

  • Centralize your PDFs. Store originals and scans in a folder named with the year, employer, and lot date, for example, “2025‑Company‑ESPP‑Lot‑03‑15.”
  • Reconcile at sale. Cross check 1099‑B data to Form 3922, then retain both to document any basis adjustments.
  • Track multiple lots. If you buy every period, you likely have several 3922s. Map sales to the correct lots so holding period and basis are accurate.
  • Keep records until all related shares are sold and reported, then archive them with that year’s tax file.

Admin view, deadlines and compliance for §6039

If you help run payroll, stock admin, or finance, §6039 compliance is a calendar job. Put these dates on your checklist every January for the prior year:

  • Furnish employee statements for Form 3922 by January 31.
  • File Forms 3922 with the IRS by March 31 if e‑filing, or February 28 if paper filing.
  • Many filers must e‑file once they have 10 or more total information returns across categories for the year. The IRS supports e‑filing through IRIS, the Information Returns Intake System.
  • If you need time, you can request a 30 day extension for IRS filing using Form 8809, and there is a separate process (Form 15397) to request more time to furnish recipient copies, but that request must reach the IRS no later than the January 31 furnishing deadline.

Missed or incorrect filings can lead to penalties that increase after August 1. Check the IRS penalty table for the year that applies, then correct quickly and document your fix.

Why firms struggle with §6039 in practice

From what we see, the trouble is not a lack of forms, it is weak delivery. Teams juggle peak work, review loops, and documentation gaps, so basis data and furnishing deadlines slip. The fix is boring but powerful, standard operating procedures, clean workpapers, clear review roles, and reliable turnaround windows. That is what stops the rework and late notices.

Where Accountably fits, briefly

If your firm is buried in compliance production and wants stronger §6039 delivery without losing control, Accountably integrates trained offshore teams into your workflow and templates, with SOPs, SLAs, and review protection so partner time is preserved for client strategy. We mention this only because it solves the delivery side of the Form 3922 job, not because you need yet another vendor pitch.

What, how, wow, a compact framework for Form 3922 success

  • What, Form 3922 documents the first legal transfer of ESPP shares under Section 423(c). You keep it, you do not file it with your return.
  • How, Use it to confirm the acquisition date, exercise price, and FMV at purchase, then reconcile your sale on Form 8949 and Schedule D. If the sale is disqualifying, compute ordinary income and increase basis accordingly.
  • Wow, Most errors are avoidable. A two minute check against Boxes 4, 5, and 7 often prevents weeks of cleanup after a notice. Keep a lightweight worksheet with each Form 3922 and your future self will thank you.

Expected subtopics, covered quickly

  • Qualifying vs disqualifying sales. Hold at least two years from offering and one year from purchase to qualify. Otherwise, the sale is disqualifying and may create ordinary income.
  • Substitute statements. Employers can furnish acceptable substitutes electronically if they meet the IRS technical rules.
  • E‑file threshold. Starting with returns due on or after January 1, 2024, the e‑file threshold dropped to 10 aggregated information returns, so many issuers must e‑file Forms 3922.
  • Weekends and holidays. If a due date lands on a weekend or federal holiday, the next business day applies.

Table, quick reference you can save

Item Where you find it Why it matters
Legal title transfer date Form 3922, Box 7 Starts holding period clock
Exercise price per share Form 3922, Box 5 Base for cost basis and ordinary income tests
FMV at exercise Form 3922, Box 4 Used in ordinary income for disqualifying sales
Shares transferred Form 3922, Box 6 Tie out to sale quantity on 1099‑B
Filing deadlines Jan 31 furnish, Feb 28 paper file, Mar 31 e‑file Plan calendar and avoid penalties
Sale reporting Form 8949 and Schedule D Report proceeds, corrected basis, and term

Sources, IRS Instructions for Forms 3921 and 3922 and the IRS IRM deadline table.

Extra help for firms that want consistency

If you run a CPA or accounting firm, you already know the pain points, peak season capacity, review loops that trap partner time, inconsistent workpapers, and missed handoffs. If Form 3922 tasks keep slipping, you probably do not need more resumes, you need delivery discipline, predictable turnaround, and better review protection. That is where Accountably’s offshore delivery model can help teams execute §6039 work inside your systems, with SOPs, structured workpapers, and multi layer review that cuts rework, while you keep control of process and quality. Use us where it truly helps, ignore us where you are already strong.

Admin toolkit, set up your §6039 calendar and controls

Here is a lightweight control set you can roll out in a week.

  • SOPs. Document a one page flow for gathering purchase data from your plan admin, populating Forms 3922, and QA review.
  • Structured workpapers. Standardize file names, version control, and reviewer checklists so the same items are checked every time.
  • SLAs. Set internal turnaround windows for furnishing and filing, then monitor live work status.
  • Escalations. Flag missing TINs, unmatched share counts, or pricing anomalies early so deadlines are safe.
  • Continuity. Cross train so a single absence does not stall furnishing before January 31.
  • Evidence. Save PDFs of furnished statements, transmission confirmations, and error logs for audit support.

Sources you will reference often

  • IRS Instructions for Forms 3921 and 3922, revised April 2025, includes who must file, box by box guidance, and electronic filing details, including IRIS.
  • IRS IRM table listing Forms 3921 and 3922 deadlines, including furnish, paper, and e‑file due dates, and the business day adjustment rule.
  • Publication 525 for how to treat ordinary income and capital gain on ESPP sales and why basis increases on disqualifying dispositions.

Sample internal checklist for Form 3922

  • Confirm the population of eligible ESPP participants for the year.
  • Pull grant, purchase, FMV, and discount data from your stock plan system.
  • Validate per lot share counts to transfer agent records.
  • Generate Copy B statements, spot check Boxes 4, 5, 6, and 7 for reasonableness.
  • Furnish to participants by January 31.
  • Prepare IRS files, e‑file via IRIS, or paper file with Form 1096 if eligible, by the due date.
  • Archive copies and confirmations, and prepare amendment playbook in case corrections are needed.

Short examples of common cleanups

  • Missing discount in basis. Adjust basis in your return entry, attach notes in your workpaper that cite Form 3922 Boxes 4 and 5, and Publication 525 for the basis increase when ordinary income is present.
  • Mismatched dates. Use the legal title transfer date from Box 7 as your acquisition date for holding period. If your broker shows a different date, document the correction and keep both forms.
  • Wrong share count. Tie out Box 6 to the shares sold, and if the broker shows a different quantity because of corporate actions, attach the event notice to your file.

A quick word on security and data integrity

Because Form 3922 includes personal data, keep access role based, encrypt files in transit, and avoid local storage on unmanaged devices. Maintain audit logs for e‑filing transmissions, and background verify any outsourced staff who handle live data. This mirrors how disciplined firms preserve client trust during peak workloads.

Light CTA, only if you need it

If your team needs help turning §6039 chaos into predictable delivery, we can plug into your workflow with SOP driven execution, structured workpapers, and review protection, so you hit January 31 and March 31 without scramble. If you are covered, keep this guide handy and run your playbook with confidence.

Common Mistakes We See Every Season

The same handful of Form 3922 errors resurface every filing season, and almost all of them are avoidable with a two-minute check. Here are the ones my team corrects most often.

1. Treating the form as a taxable event. A qualifying Section 423(c) purchase creates no income in the year you buy or exercise. Some recipients see Form 3922 arrive and assume they owe tax for that year, so they over-report or panic. Income is recognized only when you sell or otherwise dispose of the shares. Fix: If you did not sell this year, record the lot details and file the form away. Per the IRS Instructions for Forms 3921 and 3922, it is informational and is used later, at sale.
2. Filing Form 3922 with the 1040. Form 3922 is not attached to your individual return in the year of exercise. Taxpayers sometimes try to mail it in or enter it as if it were a 1099. It is a statement you keep to compute gain or loss later. Fix: Retain Copy B with your tax records and pull it out only when you report the sale on Form 8949 and Schedule D.
3. Confusing Form 3922 with Form 3921. Form 3922 covers ESPP transfers under Section 423(c). Form 3921 covers incentive stock option exercises under Section 422(b). Mixing them produces the wrong basis and the wrong ordinary-income treatment. Fix: Confirm which plan generated the shares before you compute anything; ESPP lots flow from Form 3922, ISO exercises from Form 3921.
4. Assuming only a 15% discount triggers reporting. The filing requirement is not tied to the size of the discount. Any exercise price below 100% of the grant-date fair market value, or a price that was not fixed or determinable at grant, triggers Form 3922 for that lot. Fix: Check Box 3 against Box 5. If the price paid was below grant-date FMV at all, expect a Form 3922, per the IRS Instructions for Forms 3921 and 3922.
5. Conflating the furnish and filing deadlines. The January 31 employee-furnishing date and the March 31 IRS e-file date are distinct, and plan administrators sometimes treat them as one. Missing either can draw a per-form penalty that rises after August 1. Fix: Calendar both dates separately. Furnish Copy B by January 31, e-file Copy A by March 31, and request more time with Form 8809 before the deadline if you need it.
6. Forcing a value into Box 8. Box 8 is conditional. It is populated only when the exercise price was not fixed or determinable on the grant date; when the price was fixed at grant, it stays blank. Filers sometimes complete it by default, which misstates the lot. Fix: Leave Box 8 blank unless the plan had an undetermined exercise price at grant, per the IRS Instructions for Forms 3921 and 3922.

Reusable Checklists

These checklists are copy-paste ready for a firm SOP or your own records. Tick the boxes as you work; your progress saves locally in your browser.

ESPP sale reporting packet

  • Match each Form 3922 to the lot you sold by share count in Box 6.
  • Record the legal title transfer date from Box 7 as your acquisition date.
  • Pull the exercise price from Box 5 and the FMV at exercise from Box 4.
  • Compare your computed basis to box 1e on the 1099-B.
  • If the broker omitted the discount, enter a basis adjustment on Form 8949.
  • Apply Publication 525 rules for any ordinary income on a disqualifying sale, then increase basis by that amount.
  • Save the worksheet and the Form 3922 PDF with the sale-year return.

Plan administrator §6039 close

  • Identify every lot where the price was below 100% of grant-date FMV or undetermined at grant.
  • Pull grant, purchase, FMV, and discount data from the stock-plan system.
  • Tie per-lot share counts in Box 6 to transfer-agent records.
  • Populate Boxes 1 through 7, and Box 8 only when the price was undetermined at grant.
  • Furnish Copy B to participants by January 31.
  • Confirm whether the 10-return aggregate threshold forces e-filing across all information returns.
  • E-file Copy A with the IRS by March 31, or file Form 8809 for a 30-day extension before the deadline.
  • Archive transmission confirmations for at least three years.

Correction and amendment playbook

  • Classify the error: one-transaction (wrong dollar amount or indicator) or two-transaction (wrong TIN or name).
  • If the original was e-filed, file the correction electronically in the same system.
  • For an issuer name or TIN error, send a letter to the IRS rather than a corrected return.
  • Submit corrections for returns filed within the last three calendar years.
  • Do not send paper copies of returns already e-filed.
  • Document the fix and keep it with the original transmission record.

Keep 3922 Season From Stalling

Form 3922 lives in a tight January window. Copy B has to reach every participant by January 31, the IRS e-file of Copy A is due by March 31, and once a filer crosses 10 information returns of any type in the year, electronic filing is mandatory under Treasury Decision 9972. That overlap with W-2 and 1099 season is where stock-plan reporting quietly slips.

The cost of slipping is not abstract. For returns due in 2026, a missed or incorrect information return runs $340 each under the IRS General Instructions for Certain Information Returns, and intentional disregard carries an uncapped floor of $680 per form. The answer is delivery discipline, not heroics in late January.

  • Reconcile Box 6 share counts against transfer-agent records before any statement goes out.
  • Validate Box 4, Box 5, and Box 7, the FMV at exercise, the price paid, and the transfer date that drive every downstream basis calculation.
  • Populate Box 8 only when the exercise price was not fixed or determinable at grant.
  • Stand up a §6039 calendar with the January 31 furnish date and the March 31 e-file date as hard internal SLAs.
  • Build a correction path so one-transaction and two-transaction fixes do not stall the original filing.

This is delivery work, not judgment work, which is exactly where structure pays off. Accountably plugs trained offshore teams into your existing templates and review process so §6039 statements go out clean and on time. See how our tax delivery support handles the production side while your team keeps control of the plan.

FAQs

What do I do with Form 3922 on my tax return?

You do not file it with your return. Keep it, then use it when you sell to compute the right basis, reconcile 1099‑B, and enter adjustments if the broker basis is wrong or missing.

Who generates Form 3922?

Your employer, a related corporation, or their agent or transfer agent, must file Form 3922 when the plan triggers §6039 reporting for an ESPP lot. They furnish you a copy by January 31.

Can I file Form 3922 online myself?

No, the company files the information returns with the IRS. You may receive your copy electronically through your employer’s portal, then you download and retain it for your records.

What are the deadlines for 3922 furnishing and filing?

For prior year transactions, furnish Copy B by January 31, paper file by February 28, and e‑file by March 31. If a due date falls on a weekend or federal holiday, the next business day applies.

What happens if the company files late or with errors?

The IRS can assess per‑form penalties that increase after August 1 and for intentional disregard, and unlike the ordinary tiers those intentional-disregard penalties carry no calendar-year maximum. The IRS penalty page lists the current dollar amounts by year.

Every Form Represents Work Your Team Has to Deliver

Accountably embeds trained offshore teams into your workflow – so more returns get handled without more burnout.

30-Day Guarantee 70+ Clients Served SOC 2 Aligned