I'm well aware of all of that. Pinks--public companies that are not SEC registrants--are not required to make any disclosure at all, if they don't want to.
Of course if they really DO make no disclosure at all--which was the case with BLDV for many years--Rule 144 will not be available to holders of restricted stock. That is in fact a problem with BLDV. Though they say they're a "non-shell stock", they were once a shell, and that matters.
To fix that and avoid future problems, they need to file a registration statement with the SEC.
As for transparency, the standard set by the SEC is much higher than that set by OTCMarkets. Some OTCMarkets disclosure is fairly complete, but many companies offer pretty sketchy information. BLDV is one of the latter, so far.
We'll see what they come up with going forward.