SONUS NETWORKS INC filings

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Significant ownership
Insider transactions
Annual reports
Quarterly reports
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SEC filings by SONUS NETWORKS INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2014-03-27Empire Capital Management, L.L.C.SONUS NETWORKS INC26,475,00010.6%EDGAR
SC 13D/A2014-03-25Senate Limited, TrusteeSONUS NETWORKS INC-7.4%EDGAR
SC 13D/A2014-03-21Senate Limited, TrusteeSONUS NETWORKS INC-22.1%EDGAR
SC 13G/A2014-03-07BlackRock Inc.SONUS NETWORKS INC13,041,5794.9%EDGAR
SC 13G/A2014-02-14Empire Capital Management, L.L.C.SONUS NETWORKS INC26,500,0009.9%EDGAR
SC 13G2014-02-11VANGUARD GROUP INCSONUS NETWORKS INC16,304,0186.0%EDGAR
SC 13G2014-01-30BlackRock Inc.SONUS NETWORKS INC13,630,8335.1%EDGAR
SC 13G/A2013-12-18Empire Capital Management, L.L.C.SONUS NETWORKS INC26,550,0009.9%EDGAR
SC 13G/A2013-09-06Empire Capital Management, L.L.C.SONUS NETWORKS INC27,172,5009.9%EDGAR
SC 13D/A2013-08-28Senate Limited, TrusteeSONUS NETWORKS INC-21.8%EDGAR
SC 13D/A2013-08-23Senate Limited, TrusteeSONUS NETWORKS INC-23.8%EDGAR
SC 13G/A2013-02-14Empire Capital Management, L.L.C.SONUS NETWORKS INC38,595,00013.6%EDGAR
SC 13G/A2013-02-11ARTIS CAPITAL MANAGEMENT, L.P.SONUS NETWORKS INC9,029,9993.2%EDGAR
SC 13G/A2012-05-01Empire Capital Management, L.L.C.SONUS NETWORKS INC28,500,00010.2%EDGAR
SC 13G/A2012-02-14ARTIS CAPITAL MANAGEMENT, L.P.SONUS NETWORKS INC27,184,2769.7%EDGAR
SC 13G/A2012-02-14Empire Capital Management, L.L.C.SONUS NETWORKS INC24,325,0118.7%EDGAR
SC 13G2011-09-26Empire Capital Management, L.L.C.SONUS NETWORKS INC16,722,8006.0%EDGAR
SC 13G/A2011-02-15ARTIS CAPITAL MANAGEMENT, L.P.SONUS NETWORKS INC31,052,46011.2%EDGAR
SC 13G/A2011-02-14Brookside Capital Trading Fund, L.P.SONUS NETWORKS INC00.0%EDGAR
SC 13G2011-02-14ARTIS CAPITAL MANAGEMENT, L.P.SONUS NETWORKS INC24,418,2958.8%EDGAR
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