Do not send any letters to the judge. That would be exparte communication and the judge would not read it. File a motion with the court for "leave to file amicus curiae." Include in the motion the reasons why a brief by a non-party is necessary... Throw in shareholder public policy, special divy rule, etc. And then you must pay the required filing fee for motions. (look it up on the court website) and then you must mail one copy to the court and one copy to all attorneys on record.

If someone on here is willing to put their name on the paperwork, I will write the motion. I just don't want to become part of the public record.

Here is an examples of such motions..
https://aclu-wa.org/sites/default/files/attac...Motion.pdf