maglib
Level 10

Investors & landlords

what stock. there should have been basis of original purchase assigned to the rights offering that you let expire worthless.  You may have a LT loss to account for.  Normally the company will have information on their web site to help you allocate basis from original investment.
**I don't work for TT. Just trying to help. All the best.
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I am NOT an expert and you should confirm with a tax expert.