IL-4644: Gains from Sales of Employer’s Securities Received from a Qualified Employee Benefit Plan (Revision)
Illinois · Illinois DOR · Used for tax years 2025
Illinois Form IL-4644 reports gains from sales of an employer’s securities received from a qualified employee benefit plan and calculates net unrealized appreciation. It also identifies securities received in a distribution before August 1, 1969. Attach it and a copy of your fede
Who files this form
Form IL-4644 is used to report gains from sales of an employer’s securities received from a qualified employee benefit plan. The form has options for individuals and estates or trusts, and is attached to Form IL-1040 or Form IL-1041.
What you'll need
You must attach a copy of your federal Schedule D along with Form IL-4644 to your Form IL-1040 or Form IL-1041.
To complete IL-4644, have the following information ready:
- Your tax year, name as shown on your Illinois return, and SSN or FEIN.
- A description of each security sold, the month and year it was distributed and sold, and the federal gain on the sale.
- The stock’s market value and federal tax basis on the distribution date.
- For securities received in a distribution before August 1, 1969, the historical value, basis, or applicable fraction requested in Step 4.
How to file
Attach the completed Form IL-4644 and a copy of your federal Schedule D to Form IL-1040 or Form IL-1041. The form does not provide a mailing address or e-filing directions.
Enter the total from IL-4644, Line 13, on Form IL-1040, Line 5, or Form IL-1041, Line 14.
If IL-4644, Line 18, is a gain, complete Schedule F:
- Enter the Line 18 amount on Schedule F, Line 3, for either return.
- Also enter the IL-4644, Line 13, amount on Form IL-1040, Schedule F, Line 13, or Form IL-1041, Schedule F, Line 14.
Common mistakes
- Do not combine sales into one entry. Step 2 says to list each sale separately.
- Do not enter a negative amount in Column G. If Column F is greater than Column E, enter zero.
- Do not forget Schedule F if Line 18 is a gain. The form says you must complete it.
- Do not omit the required attachments: IL-4644 and a copy of federal Schedule D must accompany your Illinois return.
- Provide the required information. The form warns that failure to provide information could result in a penalty.
Questions people ask
Can an estate or trust use this form?
Yes. Step 1 includes an “Estate or trust” checkbox, and the form provides directions for attaching it to Form IL-1041.
How is Column H calculated?
Enter the lesser of Column G or Column D. Column G is the market value at distribution minus the federal tax basis at distribution, with zero entered if the basis exceeds the market value. Column D is the federal gain on the sale.
When do I need to complete Schedule F?
You must complete Schedule F if the total on IL-4644, Line 18, is a gain.
What is Step 4 for?
Step 4 identifies securities received in a distribution before August 1, 1969. It requests historical values and basis information and includes calculations leading to the Line 18 total.