It's not odd. If nobody invested in this company understands the technology or how to read SEC filings, that tells you something about the company.
Would you want to invest in a car company that engineers are avoiding? Would you invest in a biotech company that has no scientists as shareholders? No. Why? Because these people are, to some extent, insiders. They understand companies in their field better than you do. If they're avoiding a company, maybe you should too.
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