3D Printing Latest News: 3D Systems Corporation (DDD) VP Kevin Mcalea, Stratasys, Ltd. (SSYS) & MarketBot Merger, ExOne Co (XONE) Narrows Drop

3D Systems Corporation (NYSE:DDD) VP Kevin Mcalea unloaded 30,000 shares of the company’s stock on the open market in a transaction that occured on Tuesday, August 13th.

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