NTAI was a Shell with a very low float when JINGWEI ZHANG acquired it and maybe he and his friends own all the shares now with the float only being 746 out of 29.633 M O/S.
And perhaps he was planning to sell the Shell in the future but it still needs to go through the required process first - like Kast did - to make it a “ Clean Shell “.
If you look at the trading history NTAI was trading very high prior to the R/S due to the low float -