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KOS Pharmaceuticals Inc is a listed company. Its directors and officers file their transactions with SEC (Form 4). No insider at KOS Pharmaceuticals Inc has published a filing in the past twelve months. The most recent one dates from 15 December 2006.
The full history, which starts in 2006, counts no purchases against 15 sales.
Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
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