While the share price at 3D Systems Corporation (NYSE:DDD) continues its steady and impressive climb—up more than 200% since last November—a closer look at the company's governance profile reveals several troubling indications that 3D Systems could be due for a reversal. Not only has the 3-D printing company been involved in a public dispute over its accounting and disclosure practices, but a significant uptick in recent insider sales by key members of its board of directors would suggest that 3D Systems' overall "B" ESG rating is at risk when taken in conjunction with two of our primary assessment models, the Accounting and Governance Risk Rating (AGR®) and our Litigation Risk Model.