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COSN - As of  04/30/25, 09:31:59 AM:   48 Insider Transactions.

Sector: Unknown    Industry:
Prev Close:$4.38  Avg Vol(3m): 13,941  P/E: 0.00  EPS: -0.18

Email this page to a friend.    Insider Transactions for COSN

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2011-02-11 16:15:10.0 COSINE COMMUNICATIONS INC COSN Raging Capital Management 7.3% view
B 2010-02-08 19:39:27.0 COSINE COMMUNICATIONS INC COSN Raging Capital Management 5.6% view
B 2009-12-10 17:27:37.0 COSINE COMMUNICATIONS INC COSN Raging Capital Management 5.4% view
B 2009-08-13 17:13:01.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS HOLDINGS L 47.4% view
B 2009-08-04 17:20:03.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS HOLDINGS L 44.9% view
S 2009-08-04 17:16:50.0 COSINE COMMUNICATIONS INC COSN WHX CORP 0.0% view
B 2009-07-17 14:06:48.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS HOLDINGS L 26.1% view
B 2009-02-17 12:01:38.0 COSINE COMMUNICATIONS INC COSN Empyrean Capital Partners 8.52% view
S 2009-01-05 16:04:40.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS II LP 26.1% view
S 2008-02-06 10:35:38.0 COSINE COMMUNICATIONS INC COSN DIMENSIONAL FUND ADVISORS INC 0.0% view
B 2007-12-31 12:03:05.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS II LP 26.1% view
S 2007-02-08 19:27:50.0 COSINE COMMUNICATIONS INC COSN DIMENSIONAL FUND ADVISORS INC 6.79% view
S 2007-02-01 20:18:07.0 COSINE COMMUNICATIONS INC COSN DIMENSIONAL FUND ADVISORS INC 6.79% view
B 2006-08-24 15:49:12.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS II LP 25.2% view
B 2006-03-15 00:00:00.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS II LP 24.2% view
S 2006-02-14 00:00:00.0 COSINE COMMUNICATIONS INC COSN FULLER & THALER ASSET MANAGEMENT 0.0% view
S 2006-02-06 00:00:00.0 COSINE COMMUNICATIONS INC COSN DIMENSIONAL FUND ADVISORS INC 6.83% view
S 2006-01-24 00:00:00.0 COSINE COMMUNICATIONS INC COSN Freestone Advisors LLC 4.0% view
B 2005-11-01 00:00:00.0 COSINE COMMUNICATIONS INC COSN WHX CORP 18.8% view
S 2005-10-31 00:00:00.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS II LP 23.6% view
S 2005-10-28 00:00:00.0 COSINE COMMUNICATIONS INC COSN HAYWOOD GEORGE WEAVER 0.0% view
B 2005-08-15 00:00:00.0 COSINE COMMUNICATIONS INC COSN Empyrean Capital Partners 7.5% view
B 2005-07-27 00:00:00.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS II LP 23.6% view
B 2005-04-20 00:00:00.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS II LP 14.0% view
B 2005-04-13 00:00:00.0 COSINE COMMUNICATIONS INC COSN STEEL PARTNERS II LP 12.6% view
B 2005-02-17 00:00:00.0 COSINE COMMUNICATIONS INC COSN TUT SYSTEMS INC 100.0% view
B 2005-02-14 00:00:00.0 COSINE COMMUNICATIONS INC COSN HAYWOOD GEORGE WEAVER 18.8% view
B 2005-02-09 00:00:00.0 COSINE COMMUNICATIONS INC COSN DIMENSIONAL FUND ADVISORS INC 6.83% view
B 2005-01-19 00:00:00.0 COSINE COMMUNICATIONS INC COSN Freestone Advisors LLC 5.6% view
B 2004-08-04 00:00:00.0 COSINE COMMUNICATIONS INC COSN FULLER & THALER ASSET MANAGEMENT 5.2% view
B 2004-02-11 00:00:00.0 COSINE COMMUNICATIONS INC COSN HAYWOOD GEORGE WEAVER 16.1% view
S 2003-10-27 00:00:00.0 COSINE COMMUNICATIONS INC COSN MELLON HBV ALTERNATIVE STRATEGIES LLC 4.8% view
B 2003-10-24 00:00:00.0 COSINE COMMUNICATIONS INC COSN HAYWOOD GEORGE WEAVER 14.6% view
S 2003-08-07 00:00:00.0 COSINE COMMUNICATIONS INC COSN MELLON HBV ALTERNATIVE STRATEGIES LLC 5.7% view
B 2003-07-29 00:00:00.0 COSINE COMMUNICATIONS INC COSN HAYWOOD GEORGE WEAVER 5.8% view
S 2003-06-18 00:00:00.0 COSINE COMMUNICATIONS INC COSN MELLON HBV ALTERNATIVE STRATEGIES LLC 6.7% view
B 2003-05-22 00:00:00.0 COSINE COMMUNICATIONS INC COSN MELLON HBV ALTERNATIVE STRATEGIES LLC 7.1% view
B 2003-04-24 00:00:00.0 COSINE COMMUNICATIONS INC COSN MELLON HBV ALTERNATIVE STRATEGIES LLC 6.36% view
B 2003-04-01 00:00:00.0 COSINE COMMUNICATIONS INC COSN MELLON HBV ALTERNATIVE STRATEGIES LLC 5.6% view
B 2002-04-11 00:00:00.0 COSINE COMMUNICATIONS INC COSN TECHNOLOGY CROSSOVER MANAGEMENT III LLC 5.09% view
B 2002-02-15 00:00:00.0 COSINE COMMUNICATIONS INC COSN HENDERSON J BRIGHT INC 8.7% view
S 2002-02-14 00:00:00.0 COSINE COMMUNICATIONS INC COSN WORLDVIEW EQUITY LLC 0.0% view
B 2002-02-13 00:00:00.0 COSINE COMMUNICATIONS INC COSN COMMUNICATIONS VENTURES II LP 0.4% view
S 2001-07-26 00:00:00.0 COSINE COMMUNICATIONS INC COSN NORWEST VENTURE PARTNERS VII LP 5.0% view
B 2001-02-14 00:00:00.0 COSINE COMMUNICATIONS INC COSN SPRENG R DAVID 8.4% view
B 2001-02-14 00:00:00.0 COSINE COMMUNICATIONS INC COSN WORLDVIEW EQUITY LLC 6.84% view
B 2001-02-14 00:00:00.0 COSINE COMMUNICATIONS INC COSN COMMUNICATIONS VENTURES III L P 6.7% view
B 2001-01-30 00:00:00.0 COSINE COMMUNICATIONS INC COSN NORWEST VENTURE PARTNERS VII 5.6% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.