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A123 Systems, Inc. is a listed company. Filings by its managers are published through SEC (Form 4). A123 Systems, Inc. has had no insider filing for more than a year; the last one goes back to 5 December 2012.
Looking back to 2009, when coverage begins, insiders filed no purchases and 107 sales.
Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
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