Without guidance and a plan from the management, buying in/more...

Without guidance and a plan from the management, buying in/more now is a shot in the dark. Seeing as your position is “Held”, a better question is “Do they have a plan?”, and if so, why haven’t they told us? If they don’t have a plan, why not?
investing any more money in this vehicle right now would have to count as a vote of confidence in the management. To do that, you would have to have rocks in your head.
If, like me, you have an average much higher than the current sp to the point that it is already pretty much written off, ride this sucker to the end. But, putting any more in is a crap shoot imo.