I have been informed that you do not need to send in your information as previously thought, if you are interested in participating in a class action suit. It appears that there is more groundwork to be done prior to the need for that information.
I have no other news at this time regarding such a lawsuit, but will keep you informed.
One of the crucial elements, as pointed out to me, seems to be hiring a qualified attorney who will take this case with no upfront cost to the shareholders. The logic is that there is no sense throwing good money after bad. I get that.
Another factor is, as pointed out on this site, the time remaining.