Further action or else what? I thought they filed on the 18th, even though the PR was put out on the 15th. What action was taken, since he mentions further action? I can't see the end of the letter, Thanks for sharing.
How did they get your home address? Have you been in contact with them? You said you sold all your shares last week but I think you know more than you're letting on about this letter means and the actual intent of it's request.