I don't know if he would mind me posting the whole post but he ends the post with

suffice to say it still seems an interesting opportunity (but please always do your own due diligence, none of this should be construed as advice).

– i sold a minority of my position and maintained a majority of my position, in a highly accretive fashion that adds value to the rest of the share (if you believe, as i do, that the price the shares were retired at was well below intrinsic value);

I don't think Rangeley will be selling their position down to 0.
He wrote a post today on a non public/paid forum. Its rather long but seems he just wanted to take some money off the table.

"maybe worth chiming in here as seems there’s a fair few misconceptions re what has been happening:

Completely agree.
But with the recent commentary from management that they are looking for new investments while the share price trade at large discount is not exactly reassuring.

Btw seems like seafox are creating a good buying opportunity again in #GMS.L