Do i need to file?

[Manny18]

I traded stocks last year and had a net loss of 4k. do i need to file?

[ee-ea]

Yes, you will be able to net tat loss with future profits.

[Manny18]

Ok, thank you

[Vanessa A]

Yes, you must report all stock sales so you can show the loss.  Otherwise, the IRS received a 1099-B for you but they don't necessarily have your basis or anything else so they do not know it is a loss.  

Also, if you have other reportable income, you must include any and all income on your return.  Then you must show the loss on your return.