Unbelievably, Ingen still trades even though they've had zero filings since Jan. of 2016. Hopefully, it will finally be delisted in the coming months.
Sand was also CEO of Medcentrex in the 1990's. Medcentrex/Sand was sued in the Southern District of New York in 1997 and a judgement of over $1.2 million was ruled against them. Case #1:199703348
Sand is on an indefinite prohibition/restriction list by the Department of Health and Human Services from participation in all Federal health care programs. https://sam.gov/content/home