DHS Holding Co. (fka DHSM)

[BigBake1]

Sorry but DD requires going further, I gave you the first step, now keep following the chain, there is FINRA Action that clearly details each ticker involved including DHSM.

All one needs to know is the following:

At all relevant times, the common stock that Bartoszek sold was not registered in accordance with the provisions ofthe Securities Act and, in light ofthe volume of shares he sold
and the lack ofpublic information regarding Laidlaw for much of the period of his trading, no exemption from registration was applicable