Long/short equity, deep value, value, special situations

Insiders Are Bailing On Proto Labs For Good Reasons

"Mmm, smells mighty good. But there's only one little thing wrong with it."
- Bugs Bunny

I have been writing about one of my favorite (and least profitable to date!) short ideas since April. In articles here, here, and here I argue that Proto Labs (NYSE:PRLB) is:

    Hopelessly overvalued; Caught up in euphoria over "3D printing" even though PRLB is not in the 3D printing business and is actually threatened by the technology over the long term; Exhibiting warning signs of a looming deceleration in growth that may lead to massive downside in the stock; and Changing and contorting its key performance indicators (KPIs) seemingly on the fly in what appears to me as ...
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