They had put together a scheme to inflate quarterly earnings. Now, Baker will be serving 20 years for that and will have to pony up a $1 million fine. The others will be serving less time.
As Bloomberg reports, the Gang of Four essentially ran a "stuffing con." From 2005 through 2009, explains Bloomberg, they:
" ... placed millions of unneeded medical devices with distributors at the end of each quarter to falsely inflate AntroCare's financial results ... The two [Baker/Gluk] lied to investors about their relationships with distributors, who agreed to accept the shipments in exchange for large upfrong cash commissions ..." Here you can read the entire Bloomberg report.
When sentencing, U.S. District Judge Sam Sparks in Austin, Texas reprimanded Gluk for undermining respect for America's financial institutions.