As for why no 8K you'll have to ask the company why none was filed. Their email is ir@cytodyn.com. They've even put a comment on their website saying
"You already may have noticed a change in our responsiveness with investors via the Company's account (ir@cytodyn.com) over the past several months."
So that should be a sign you'll get a quick response to your inquiry.
As for non-public trading - hmmmmm - considering that almost every day since 1Dec23 the short volume has been over 50% I'd suggest asking your buddies since they created the majority of the volume.
I wanted to caution you about reaching out to CytoDyn IR because it might trigger your temper. Other people are finding that they are not the most friendly or helpful with requests. For instance here's an example: