ATMI INC (ATMI) [Rocket]

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Asset disposition
Acq. announced
Director departure
Inv. presentation
Preliminary results
Quarterly results
Appointed COO
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ATMI INC (ATMI)

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Date Filed	Type	Description
02/14/2014	SC 13G	GRANAHAN INVESTMENT MANAGEMENT INC reports a 5.9% stake in ATMI, Inc.
05/07/2012	SC 13G	Raging Capital Management, LLC reports a 5.2% stake in ATMI, Inc.
02/13/2012	SC 13G	Form SC 13G - Statement of acquisition of beneficial ownership by individuals
02/08/2012	SC 13G	ATMI INC reports a 5.4% stake in ATMI Inc
09/07/2011	SC 13G	Form SC 13G - Statement of acquisition of beneficial ownership by individuals
02/10/2011	SC 13G	Form SC 13G - Statement of acquisition of beneficial ownership by individuals
02/08/2011	SC 13G	Form SC 13G - Statement of acquisition of beneficial ownership by individuals
01/08/2010	SC 13G	Form SC 13G - Statement of acquisition of beneficial ownership by individuals
02/17/2009	SC 13G	FMR CORP reports a 6.7% stake in ATMI, Inc.
02/06/2009	SC 13G	PRUDENTIAL FINANCIAL INC reports a 5.2% stake in ATMI INC
01/28/2009	SC 13G	KALMAR INVESTMENTS INC reports a 4.7% stake in ATMI, Inc.
01/23/2009	SC 13G	WELLS FARGO & CO reports a 8% stake in ATMI INC

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