I assume you mean the article titled "Stan Lee Fights for Control of His POW! Entertainment".
That lawsuit was settled. POW! is writing off money associated with it (over $900k last year) and the court documents were sealed.
I'm assuming that if there is ever a shareholder lawsuit against POW!, lawyers will get the records unsealed and potentially go after Stan's, Gill's, and Arthur's (estate) private money.
I don't know if any shares associated with this (I think there were millions involved) could be sold. The court records were sealed keeping the information as "insider information" which has negatively impacted POW!. But, I'm not an expert on these things. You could probably fire off an email question to the SEC and find out.