13D
13D 13DRequired SEC filing by 5% or more shareholder. The filing is often used by activist investors. A passive investor may file the shorter 13G.
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Mentor Graphics (MENT) Shares Surging as Icahn Offers $17/Share in Cash
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Carl Icahn Offers Mentor Graphics (MENT) $17/Share in Cash
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Icahn Holds Talks With Mentor Graphics (MENT) CEO, Believes Company Should Be Sold
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Icahn To Nominate Individuals to Mentor Graphics' (MENT) Board
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Billionaire Icahn Goes For Mentor Graphics' (MENT) Jugular
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Carl Icahn discloses a 6.9% stake in Mentor Graphics Corp. (MENT) in a 13D filing
