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No insider purchase over the last 90 days. The latest, by LAMPE, CONWAY & CO. LLC, was filed 12 Sept 2008.
Silicon Graphics Inc is a listed company. Filings by its managers are published through SEC (Form 4). Silicon Graphics Inc has had no insider filing for more than a year; the last one goes back to 6 April 2009.
The full history, which starts in 2006, counts 57 purchases against 36 sales.
Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
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