His group purchased Cove Energy for 6m in 2006, and after serving as director of the company, it later sold in 2012 for 1.9 billion as the biggest oil deal in London in ten years.
Sweeney's group purchased Cove Energy in 2006, not Sweeeney. Also, the biggest oid deal in London occured after Sweeney served as director (by three years).
Not sure how you can say it is misleading. However, I concur there are posts that are twisting those facts.