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JCS - As of  09/24/24, 07:02:07 PM:   110 Insider Transactions.

Sector: Technology    Industry: Communication Equipment
Prev Close:$7.28  Avg Vol(3m): 14,346  P/E: 0.00  EPS: -0.91

Email this page to a friend.    Insider Transactions for JCS

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-04-13 16:38:58.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 7.69% view
S 2020-02-14 15:54:33.0 COMMUNICATIONS SYSTEMS INC JCS SAMPSON CURTIS A 12.79% view
B 2020-02-14 15:51:34.0 COMMUNICATIONS SYSTEMS INC JCS COMMUNICATIONS SYSTEMS INC 7.75% view
B 2020-02-13 10:58:06.0 COMMUNICATIONS SYSTEMS INC JCS RENAISSANCE TECHNOLOGIES LLC 7.69% view
S 2020-02-10 20:41:34.0 COMMUNICATIONS SYSTEMS INC JCS BML Investment Partners 0.0% view
B 2020-01-30 16:06:46.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 7.32% view
B 2020-01-28 17:22:20.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 7.3% view
B 2020-01-23 16:22:34.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 7.28% view
B 2019-02-15 19:35:11.0 COMMUNICATIONS SYSTEMS INC JCS SAMPSON CURTIS A 13.73% view
B 2019-02-15 19:28:56.0 COMMUNICATIONS SYSTEMS INC JCS COMMUNICATIONS SYSTEMS INC 7.19% view
S 2019-02-08 08:22:15.0 COMMUNICATIONS SYSTEMS INC JCS DIMENSIONAL FUND ADVISORS LP 4.95% view
B 2019-02-06 11:43:29.0 COMMUNICATIONS SYSTEMS INC JCS BML Investment Partners 5.9% view
S 2018-12-04 16:02:08.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 5.76% view
B 2018-11-06 12:13:34.0 COMMUNICATIONS SYSTEMS INC JCS BML Investment Partners 5.2% view
S 2018-10-01 16:07:07.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 6.79% view
S 2018-09-13 16:12:01.0 COMMUNICATIONS SYSTEMS INC n/a GAMCO INVESTORS 6.97% view
B 2018-03-13 16:05:21.0 COMMUNICATIONS SYSTEMS INC JCS Albert Investment Associates 5.0% view
S 2018-02-09 08:31:13.0 COMMUNICATIONS SYSTEMS INC JCS DIMENSIONAL FUND ADVISORS LP 5.86% view
B 2017-02-23 15:40:53.0 COMMUNICATIONS SYSTEMS INC JCS COMMUNICATIONS SYSTEMS INC 6.7% view
B 2017-02-23 15:35:09.0 COMMUNICATIONS SYSTEMS INC JCS SAMPSON CURTIS A 13.3% view
S 2017-02-09 09:34:14.0 COMMUNICATIONS SYSTEMS INC JCS DIMENSIONAL FUND ADVISORS LP 6.69% view
B 2016-12-01 15:50:58.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 7.9% view
B 2016-08-23 15:57:39.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 6.76% view
B 2016-06-03 11:37:46.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 6.65% view
B 2016-03-24 14:23:26.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 5.11% view
S 2016-02-16 16:00:16.0 COMMUNICATIONS SYSTEMS INC JCS SAMPSON CURTIS A 12.3% view
B 2016-02-16 15:56:30.0 COMMUNICATIONS SYSTEMS INC JCS COMMUNICATIONS SYSTEMS INC 6.6% view
S 2016-02-09 15:17:20.0 COMMUNICATIONS SYSTEMS INC JCS DIMENSIONAL FUND ADVISORS LP 7.17% view
B 2015-09-01 15:43:32.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 4.73% view
B 2015-04-07 13:16:05.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 4.37% view
S 2015-02-17 16:51:11.0 COMMUNICATIONS SYSTEMS INC JCS COMMUNICATIONS SYSTEMS INC 6.4% view
S 2015-02-17 16:45:03.0 COMMUNICATIONS SYSTEMS INC JCS SAMPSON CURTIS A 12.5% view
S 2015-02-05 09:12:02.0 COMMUNICATIONS SYSTEMS INC JCS DIMENSIONAL FUND ADVISORS LP 7.32% view
B 2014-05-28 17:25:45.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 4.21% view
S 2014-02-14 15:27:45.0 COMMUNICATIONS SYSTEMS INC JCS SAMPSON CURTIS A 12.6% view
B 2014-02-14 14:06:27.0 COMMUNICATIONS SYSTEMS INC JCS COMMUNICATIONS SYSTEMS INC 6.6% view
B 2014-02-10 16:19:31.0 COMMUNICATIONS SYSTEMS INC JCS DIMENSIONAL FUND ADVISORS LP 7.35% view
B 2013-12-26 15:19:41.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 3.86% view
B 2013-08-12 16:01:55.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 3.61% view
B 2013-05-13 16:29:03.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 2.83% view
S 2013-02-14 12:03:17.0 COMMUNICATIONS SYSTEMS INC JCS SAMPSON CURTIS A 12.7% view
B 2013-02-13 17:01:43.0 COMMUNICATIONS SYSTEMS INC JCS Schultz William G 0.1% view
B 2013-02-13 17:01:18.0 COMMUNICATIONS SYSTEMS INC JCS MCGRAW DAVID T 0.1% view
S 2013-02-11 16:57:57.0 COMMUNICATIONS SYSTEMS INC JCS DIMENSIONAL FUND ADVISORS LP 7.33% view
S 2012-02-14 17:20:23.0 COMMUNICATIONS SYSTEMS INC JCS HANSON PAUL N 0.9% view
S 2012-02-14 17:17:14.0 COMMUNICATIONS SYSTEMS INC JCS SAMPSON CURTIS A 13.3% view
B 2012-02-14 17:12:25.0 COMMUNICATIONS SYSTEMS INC JCS BERG JEFFREY K 0.7% view
B 2012-02-14 17:08:57.0 COMMUNICATIONS SYSTEMS INC JCS Schultz William G 0.1% view
B 2012-02-14 17:04:20.0 COMMUNICATIONS SYSTEMS INC JCS MCGRAW DAVID T 0.1% view
B 2012-02-13 19:18:56.0 COMMUNICATIONS SYSTEMS INC JCS DIMENSIONAL FUND ADVISORS LP 7.42% view
S 2011-07-18 10:41:58.0 COMMUNICATIONS SYSTEMS INC JCS GAMCO INVESTORS 2.19% view
B 2011-03-22 16:26:42.0 COMMUNICATIONS SYSTEMS INC JCS SAMPSON CURTIS A 13.7% view
S 2011-02-11 13:46:11.0 COMMUNICATIONS SYSTEMS INC JCS DIMENSIONAL FUND ADVISORS LP 6.9% view
B 2011-02-11 10:50:02.0 COMMUNICATIONS SYSTEMS INC JCS BERG JEFFREY K 0.5% view
S 2011-02-11 10:45:59.0 COMMUNICATIONS SYSTEMS INC JCS SAMPSON CURTIS A 13.7% view
B 2011-02-11 10:44:29.0 COMMUNICATIONS SYSTEMS INC JCS HANSON PAUL N 1.3% view
S 2010-02-09 13:41:32.0 COMMUNICATIONS SYSTEMS INC JCS HANSON PAUL N 1.27% view
S 2010-02-09 13:41:14.0 COMMUNICATIONS SYSTEMS INC HFC AQR CAPITAL MANAGEMENT LLC 1.78% view
B 2020-02-13 12:59:34.0 HollyFrontier Corp HFC STATE STREET CORP 11.14% view
B 2020-02-05 11:45:56.0 HollyFrontier Corp HFC BlackRock Inc 7.2% view
B 2019-02-14 15:58:53.0 HollyFrontier Corp HFC AQR CAPITAL MANAGEMENT LLC 5.5% view
B 2019-02-04 16:44:45.0 HollyFrontier Corp HFC TCTC Holdings 7.1% view
B 2018-01-19 13:58:14.0 HollyFrontier Corp HFC BlackRock Inc 10.25% view
B 2017-02-13 10:17:30.0 HollyFrontier Corp HFC VANGUARD GROUP INC 10.8% view
B 2016-05-10 11:18:11.0 HollyFrontier Corp HFC BlackRock Inc 8.09% view
B 2016-02-10 10:16:38.0 HollyFrontier Corp HFC BlackRock Inc 6.36% view
B 2015-01-09 16:43:58.0 HollyFrontier Corp HFC BlackRock Inc 10.2% view
S 2014-02-14 06:51:44.0 HollyFrontier Corp HFC FMR LLC 5.38% view
S 2014-01-31 09:35:42.0 HollyFrontier Corp HFC BlackRock Inc 7.24% view
S 2012-02-14 12:17:40.0 HollyFrontier Corp HFC FMR LLC 1.6% view
B 2012-02-09 15:48:59.0 HollyFrontier Corp HFC VANGUARD GROUP INC 12.0% view
S 2011-09-06 16:44:42.0 HollyFrontier Corp HFC FMR LLC 12.119% view
S 2011-07-05 17:23:38.0 HollyFrontier Corp HOC TCTC Holdings 14.0% view
S 2011-02-14 14:47:48.0 HOLLY CORP HOC LAZARD ASSET MANAGEMENT LLC 1.42% view
B 2011-02-10 17:41:04.0 HOLLY CORP HOC VANGUARD GROUP INC 5.1% view
B 2011-02-09 16:37:35.0 HOLLY CORP HOC TCTC Holdings 13.657% view
B 2010-04-12 14:59:28.0 HOLLY CORP HOC Sinclair Tulsa Refining Compan 13.8% view
B 2010-02-16 16:34:30.0 HOLLY CORP HOC BROWN BROTHERS HARRIMAN & CO 6.0% view
B 2010-02-05 13:15:33.0 HOLLY CORP HOC LAZARD ASSET MANAGEMENT LLC 5.3% view
B 2009-02-10 11:46:00.0 HOLLY CORP HOC LAZARD ASSET MANAGEMENT LLC 13.61% view
S 2008-02-13 11:08:24.0 HOLLY CORP HOC RENAISSANCE TECHNOLOGIES LLC 0.93% view
S 2008-02-13 09:25:39.0 HOLLY CORP HOC GOLDMAN SACHS ASSET MANAGEMENT LP 1.8% view
S 2007-12-10 17:04:25.0 HOLLY CORP HOC BROWN BROTHERS HARRIMAN & CO 12.13% view
B 2007-02-14 16:48:37.0 HOLLY CORP HOC FMR CORP 5.6% view
B 2007-02-08 17:07:49.0 HOLLY CORP HOC GOLDMAN SACHS ASSET MANAGEMENT LP 10.8% view
S 2006-07-10 00:00:00.0 HOLLY CORP HOC FMR CORP 18.16% view
S 2006-02-14 00:00:00.0 HOLLY CORP HOC FMR CORP n/a view
S 2005-02-14 00:00:00.0 HOLLY CORP HOC FMR CORP 3.02% view
B 2005-01-20 00:00:00.0 HOLLY CORP HOC BROWN BROTHERS HARRIMAN & CO 5.51% view
S 2004-02-06 00:00:00.0 HOLLY CORP HOC DIMENSIONAL FUND ADVISORS INC n/a view
S 2003-08-22 00:00:00.0 HOLLY CORP HOC FRONTIER OIL CORP 4.57% view
S 2003-04-09 00:00:00.0 HOLLY CORP HOC FRONTIER OIL CORP n/a view
B 2003-02-13 00:00:00.0 HOLLY CORP HOC BARCLAYS GLOBAL INVESTORS NA 6.85% view
B 2002-02-14 00:00:00.0 HOLLY CORP HOC FMR CORP 32.01% view
S 2001-02-02 00:00:00.0 HOLLY CORP HOC DIMENSIONAL FUND ADVISORS INC n/a view
S 2000-05-04 00:00:00.0 HOLLY CORP HOC DEPRINCE RACE & ZOLLO INC 10.68% view
S 2000-02-14 00:00:00.0 HOLLY CORP HOC FMR CORP n/a view
B 2000-02-03 00:00:00.0 HOLLY CORP HOC DEPRINCE RACE & ZOLLO INC 11.2% view
B 1999-02-12 00:00:00.0 HOLLY CORP HOC DEPRINCE RACE & ZOLLO INC 9.92% view
S 1999-02-11 00:00:00.0 HOLLY CORP HOC GUARDIAN LIFE INSURANCE CO OF AMERICA 4.55% view
S 1999-01-28 00:00:00.0 HOLLY CORP HOC CITIGROUP INC 1.5% view
B 1998-09-04 00:00:00.0 HOLLY CORP HOC NORSWORTHY LAMAR 18.3% view
B 1998-02-17 00:00:00.0 HOLLY CORP HOC BROWN BROTHERS HARRIMAN & CO n/a view
B 1998-02-05 00:00:00.0 HOLLY CORP HOC TRAVELERS GROUP INC 7.3% view
B 1997-09-16 00:00:00.0 HOLLY CORP HOC CRABBE HUSON GROUP INC 9.27% view
S 1997-02-11 00:00:00.0 HOLLY CORP HOC MORGAN J P & CO INC 0.3% view
B 1996-02-14 00:00:00.0 HOLLY CORP HOC NORSWORTHY LAMAR 7.4% view
B 1995-07-14 00:00:00.0 HOLLY CORP HOC BARRETT NONA 5.3% view
B 1995-02-15 00:00:00.0 HOLLY CORP HOC MORGAN J P & CO INC 5.0% view
B 1995-02-14 00:00:00.0 HOLLY CORP HOC NATIONSBANK CORP n/a 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.