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SPOK - As of  06/20/25, 01:34:53 PM:   81 Insider Transactions.

Sector: Technology    Industry: Wireless Communications
Prev Close:$20.45  Avg Vol(3m): 92,881  P/E: 5.00  EPS: 4.02

Email this page to a friend.    Insider Transactions for SPOK

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-02-13 13:12:37.0 Spok Holdings SPOK RENAISSANCE TECHNOLOGIES LLC 7.78% view
B 2020-02-12 12:09:48.0 Spok Holdings SPOK DIMENSIONAL FUND ADVISORS LP 8.45% view
S 2020-02-12 11:08:34.0 Spok Holdings SPOK VANGUARD GROUP INC 7.2% view
S 2020-02-04 12:30:11.0 Spok Holdings SPOK BlackRock Inc 15.7% view
S 2019-02-13 12:03:48.0 Spok Holdings SPOK RENAISSANCE TECHNOLOGIES LLC 7.73% view
S 2019-02-11 14:55:09.0 Spok Holdings SPOK VANGUARD GROUP INC 9.72% view
S 2019-02-08 07:10:11.0 Spok Holdings SPOK DIMENSIONAL FUND ADVISORS LP 8.36% view
S 2019-01-31 15:51:40.0 Spok Holdings SPOK VANGUARD WORLD FUND 2.46% view
S 2019-01-31 14:47:44.0 Spok Holdings SPOK BlackRock Inc 16.0% view
B 2018-04-12 08:35:49.0 Spok Holdings SPOK Braeside Investments 5.1% view
B 2018-04-02 09:01:18.0 Spok Holdings SPOK Braeside Investments 5.1% view
B 2018-02-14 10:57:20.0 Spok Holdings SPOK RENAISSANCE TECHNOLOGIES LLC 7.85% view
B 2018-02-12 10:27:42.0 Spok Holdings SPOK VANGUARD GROUP INC 11.32% view
B 2018-02-09 07:35:16.0 Spok Holdings SPOK DIMENSIONAL FUND ADVISORS LP 8.43% view
S 2018-02-02 08:44:38.0 Spok Holdings SPOK VANGUARD WORLD FUND 5.6% view
B 2018-01-19 13:58:07.0 Spok Holdings SPOK BlackRock Inc 17.4% view
S 2018-01-08 16:06:03.0 Spok Holdings SPOK Braeside Investments 5.0% view
S 2017-02-14 10:42:13.0 Spok Holdings SPOK RENAISSANCE TECHNOLOGIES LLC 7.67% view
S 2017-02-13 16:05:34.0 Spok Holdings SPOK Braeside Investments 6.7% view
B 2017-02-13 11:15:54.0 Spok Holdings SPOK VANGUARD WORLD FUND 5.83% view
B 2017-02-09 17:51:02.0 Spok Holdings SPOK VANGUARD GROUP INC 10.7% view
B 2017-02-09 08:55:28.0 Spok Holdings SPOK DIMENSIONAL FUND ADVISORS LP 7.24% view
B 2017-01-17 12:48:00.0 Spok Holdings SPOK BlackRock Inc 17.0% view
B 2016-04-08 13:27:37.0 Spok Holdings SPOK VANGUARD GROUP INC 10.16% view
S 2016-02-11 17:22:58.0 Spok Holdings SPOK RENAISSANCE TECHNOLOGIES LLC 7.99% view
B 2016-02-10 13:25:52.0 Spok Holdings SPOK VANGUARD GROUP INC 8.49% view
B 2016-02-09 16:33:10.0 Spok Holdings SPOK DIMENSIONAL FUND ADVISORS LP 5.94% view
B 2016-01-08 17:08:49.0 Spok Holdings SPOK BlackRock Inc 15.1% view
S 2015-02-12 17:46:48.0 Spok Holdings SPOK LSV ASSET MANAGEMENT 4.77% view
B 2015-02-12 15:44:43.0 Spok Holdings SPOK RENAISSANCE TECHNOLOGIES LLC 8.02% view
B 2015-02-11 08:54:14.0 Spok Holdings SPOK VANGUARD GROUP INC 7.99% view
S 2015-02-04 17:22:29.0 Spok Holdings SPOK Braeside Investments 8.8% view
B 2014-02-13 16:12:11.0 USA Mobility USMO RENAISSANCE TECHNOLOGIES LLC 7.53% view
B 2014-02-13 16:06:58.0 USA Mobility USMO Braeside Investments 8.9% view
S 2014-02-12 11:57:14.0 USA Mobility USMO VANGUARD GROUP INC 5.46% view
S 2014-02-10 13:28:43.0 USA Mobility USMO LSV ASSET MANAGEMENT 5.47% view
S 2014-01-09 17:55:38.0 USA Mobility USMO BlackRock Inc 12.0% view
B 2013-04-10 13:38:49.0 USA Mobility USMO BlackRock Inc 12.23% view
B 2013-02-13 16:37:25.0 USA Mobility USMO LSV ASSET MANAGEMENT 5.55% view
S 2013-02-12 16:30:22.0 USA Mobility USMO RENAISSANCE TECHNOLOGIES LLC 6.7% view
B 2013-02-11 10:37:53.0 USA Mobility USMO VANGUARD GROUP INC 7.66% view
B 2013-02-04 13:53:00.0 USA Mobility USMO Braeside Investments 8.8% view
S 2013-01-31 11:29:11.0 USA Mobility USMO BlackRock Inc 9.82% view
B 2012-03-09 17:32:54.0 USA Mobility USMO BlackRock Inc 10.07% view
S 2012-02-13 14:00:58.0 USA Mobility USMO RENAISSANCE TECHNOLOGIES LLC 7.65% view
S 2012-02-09 14:32:30.0 USA Mobility USMO VANGUARD GROUP INC 6.44% view
S 2012-02-09 08:38:57.0 USA Mobility USMO BlackRock Inc 9.7% view
B 2012-02-02 16:06:55.0 USA Mobility USMO Braeside Investments 6.0% view
B 2011-02-11 13:11:23.0 USA Mobility USMO RENAISSANCE TECHNOLOGIES LLC 8.13% view
B 2011-02-09 18:44:51.0 USA Mobility USMO VANGUARD GROUP INC 7.57% view
S 2011-01-10 12:47:11.0 USA Mobility USMO BlackRock Inc 11.42% view
S 2010-04-21 16:58:57.0 USA Mobility USMO Faucett Russell B 4.9% view
B 2010-02-11 10:31:38.0 USA Mobility USMO RENAISSANCE TECHNOLOGIES LLC 6.67% view
B 2010-02-05 07:07:36.0 USA Mobility USMO VANGUARD GROUP INC 6.61% view
B 2010-01-22 18:51:46.0 USA Mobility USMO Faucett Russell B 5.9% view
B 2010-01-08 12:05:38.0 USA Mobility USMO BlackRock Inc 13.72% view
B 2009-07-09 16:51:26.0 USA Mobility USMO BARCLAYS GLOBAL INVESTORS NA 6.81% view
S 2008-11-18 16:19:39.0 USA Mobility USMO ABRAMS CAPITAL LLC n/a view
B 2008-10-30 11:36:44.0 USA Mobility USMO Faucett Russell B 5.7% view
S 2008-02-13 16:31:35.0 USA Mobility USMO FAIRHOLME CAPITAL MANAGEMENT LLC 0.0% view
B 2008-02-12 14:57:42.0 USA Mobility USMO VANGUARD GROUP INC 5.29% view
S 2008-02-05 16:19:52.0 USA Mobility USMO BARCLAYS GLOBAL INVESTORS NA 6.12% view
S 2008-02-05 16:12:29.0 USA Mobility USMO BARCLAYS GLOBAL INVESTORS NA 6.12% view
S 2008-02-05 16:09:41.0 USA Mobility USMO BARCLAYS GLOBAL INVESTORS NA 6.12% view
S 2008-02-05 16:06:39.0 USA Mobility USMO BARCLAYS GLOBAL INVESTORS NA 6.12% view
S 2008-02-05 16:03:56.0 USA Mobility USMO BARCLAYS GLOBAL INVESTORS NA 6.12% view
S 2008-02-05 16:02:03.0 USA Mobility USMO BARCLAYS GLOBAL INVESTORS NA 6.12% view
S 2008-01-30 11:42:52.0 USA Mobility USMO CONTRARIAN CAPITAL MANAGEMENT LLC 4.9% view
B 2007-06-11 11:47:31.0 USA Mobility USMO BARCLAYS GLOBAL INVESTORS NA 7.98% view
S 2007-03-16 16:06:55.0 USA Mobility USMO ABRAMS CAPITAL LLC n/a view
S 2007-02-14 16:01:13.0 USA Mobility USMO FAIRHOLME CAPITAL MANAGEMENT LLC 8.68% view
S 2007-02-14 11:50:29.0 USA Mobility USMO CONTRARIAN CAPITAL MANAGEMENT LLC 5.6% view
S 2007-02-01 12:57:31.0 USA Mobility USMO OKUMUS AHMET H 0.0% view
B 2007-01-23 17:08:18.0 USA Mobility USMO BARCLAYS GLOBAL INVESTORS NA 5.12% view
B 2006-08-15 17:12:49.0 USA Mobility USMO ABRAMS CAPITAL LLC n/a view
B 2006-02-14 00:00:00.0 USA Mobility USMO CONTRARIAN CAPITAL MANAGEMENT LLC 7.7% view
B 2006-02-14 00:00:00.0 USA Mobility USMO FAIRHOLME CAPITAL MANAGEMENT LLC 9.89% view
B 2006-02-06 00:00:00.0 USA Mobility USMO OKUMUS AHMET H 5.7% view
B 2005-08-22 00:00:00.0 USA Mobility USMO OKUMUS AHMET H 5.6% view
S 2005-05-24 00:00:00.0 USA Mobility USMO Abrams David C n/a view
B 2004-11-29 00:00:00.0 USA Mobility USMO Abrams David C 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.