@nexchap So the person I talked to who also seemed pretty familiar with K-1's tried to go step by step with me, unchecking the box you recommended, and completing the questions. We still couldn't get it to work out. So we ended up just adjusting my basis to 0 on the 1099-B Form 8949 for the trade, and limiting the loss to -4220 instead of the -5382 which flowed to the Form 6781. Hopefully it'll be fine. The outcome should be close to $0 like you said. Thanks again for all your help!
