MARK A SCHLEIFER Insider Trading $COI COGENT COMMUNICATIONS HOLDINGS, INC.
FREE EMAIL WATCHDOG
Get free email notifications about insider trading for MARK A SCHLEIFER.
- Your email is safe with us.
- The service is free and you can unsubscribe at any time.
General | Insider Transactions | Monthly Overview
Get the latest insider transactions of MARK A SCHLEIFER. MARK A SCHLEIFER is VP of IP Engineering in COGENT COMMUNICATIONS HOLDINGS, INC. ($COI).
MARK A SCHLEIFER in COGENT COMMUNICATIONS HOLDINGS, INC.
Industry: COMMUNICATION SERVICES, NEC [4899]
Position of MARK A SCHLEIFER: VP of IP Engineering
Holdings: 0 shares
Latest Transaction: Dec 05 2011
Last 4 weeks trend: HOLD
Last 3 months trend: HOLD
Latest Insider Trading Transactions of MARK A SCHLEIFER in COGENT COMMUNICATIONS HOLDINGS, INC.
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Page: 1
| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 05 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 4.88 | 3,125 | 15,250 | 0 | |
| Dec 05 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 16.58 | 3,125 | 51,813 | 0 | 3.1 K to 0 (-100.00 %) |
| Dec 05 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 4.88 | 3,125 | 15,250 | 3,125 | 0 to 3.1 K |
| Dec 05 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | D | 0.00 | 33,650 | 0 | 0 | 33.7 K to 0 (-100.00 %) |
| Oct 17 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 14.90 | 3,000 | 44,710 | 33,650 | 36.7 K to 33.7 K (-8.19 %) |
| Oct 03 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 13.27 | 1,250 | 16,590 | 36,650 | 37.9 K to 36.7 K (-3.30 %) |
| Jul 15 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 16.69 | 3,000 | 50,077 | 37,900 | 40.9 K to 37.9 K (-7.33 %) |
| Jul 01 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 16.83 | 1,250 | 21,043 | 40,900 | 42.2 K to 40.9 K (-2.97 %) |
| Apr 18 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 12.92 | 17,040 | 220,143 | 42,150 | 59.2 K to 42.2 K (-28.79 %) |
| Apr 18 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | D | 0.00 | 2,160 | 0 | 59,190 | 61.4 K to 59.2 K (-3.52 %) |
| Apr 04 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 14.32 | 1,250 | 17,900 | 61,350 | 62.6 K to 61.4 K (-2.00 %) |
| Jan 05 2011 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 14.24 | 1,250 | 17,800 | 62,600 | 63.9 K to 62.6 K (-1.96 %) |
| Oct 13 2010 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 10.00 | 1,250 | 12,500 | 63,850 | 65.1 K to 63.9 K (-1.92 %) |
| Oct 12 2010 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 10.00 | 1,250 | 12,500 | 65,100 | 66.4 K to 65.1 K (-1.88 %) |
| Apr 16 2010 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Grant | A | 0.00 | 57,600 | 0 | 66,350 | 8.8 K to 66.4 K (+658.29 %) |
| Apr 01 2010 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 10.43 | 1,250 | 13,038 | 8,750 | 10 K to 8.8 K (-12.50 %) |
| Mar 04 2010 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 10.52 | 1,250 | 13,155 | 10,000 | 11.3 K to 10 K (-11.11 %) |
| Oct 13 2009 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 12.46 | 10,000 | 124,633 | 11,250 | 21.3 K to 11.3 K (-47.06 %) |
| Oct 02 2009 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Grant | A | 11.11 | 1,250 | 13,893 | 21,250 | 22.5 K to 21.3 K (-5.56 %) |
| Jul 01 2009 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 8.22 | 1,250 | 10,274 | 22,500 | 23.8 K to 22.5 K (-5.26 %) |
| May 01 2009 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 8.63 | 20,000 | 172,600 | 23,750 | 43.8 K to 23.8 K (-45.71 %) |
| Apr 02 2009 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 8.21 | 1,250 | 10,256 | 43,750 | 45 K to 43.8 K (-2.78 %) |
| Jan 05 2009 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 6.48 | 5,000 | 32,395 | 45,000 | 50 K to 45 K (-10.00 %) |
| Jun 23 2008 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 0.00 | 599 | 0 | 0 | |
| Jun 23 2008 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 14.89 | 599 | 8,919 | 50,000 | 50.6 K to 50 K (-1.18 %) |
| Jun 23 2008 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 0.00 | 599 | 0 | 50,599 | 50 K to 50.6 K (+1.20 %) |
| Jun 09 2008 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 4.88 | 1,250 | 6,100 | 3,125 | |
| Jun 09 2008 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 14.64 | 1,250 | 18,302 | 50,000 | 51.3 K to 50 K (-2.44 %) |
| Jun 09 2008 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 4.88 | 1,250 | 6,100 | 51,250 | 50 K to 51.3 K (+2.50 %) |
| Mar 20 2008 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 0.00 | 600 | 0 | 599 | |
| Mar 20 2008 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 18.64 | 600 | 11,184 | 50,000 | 50.6 K to 50 K (-1.19 %) |
| Mar 20 2008 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 0.00 | 600 | 0 | 50,600 | 50 K to 50.6 K (+1.20 %) |
| Jan 02 2008 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Grant | A | 0.00 | 20,000 | 0 | 50,000 | 30 K to 50 K (+66.67 %) |
| Dec 20 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 0.00 | 600 | 0 | 1,199 | |
| Dec 20 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 22.80 | 600 | 13,681 | 30,000 | 30.6 K to 30 K (-1.96 %) |
| Dec 20 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 0.00 | 600 | 0 | 30,600 | 30 K to 30.6 K (+2.00 %) |
| Dec 13 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 4.88 | 625 | 3,050 | 4,375 | |
| Dec 13 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 0.00 | 216 | 0 | 1,799 | |
| Dec 13 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 21.95 | 216 | 4,742 | 30,000 | 30.2 K to 30 K (-0.71 %) |
| Dec 13 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 21.97 | 625 | 13,732 | 30,216 | 30.8 K to 30.2 K (-2.03 %) |
| Dec 13 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 4.88 | 625 | 3,050 | 30,841 | 30.2 K to 30.8 K (+2.07 %) |
| Dec 13 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 0.00 | 216 | 0 | 30,216 | 30 K to 30.2 K (+0.72 %) |
| Sep 24 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 0.00 | 600 | 0 | 2,015 | |
| Sep 24 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 25.24 | 600 | 15,145 | 30,000 | 30.6 K to 30 K (-1.96 %) |
| Sep 24 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 0.00 | 600 | 0 | 30,600 | 30 K to 30.6 K (+2.00 %) |
| Aug 20 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 4.88 | 625 | 3,050 | 5,000 | |
| Aug 20 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 24.78 | 625 | 15,487 | 30,000 | 30.6 K to 30 K (-2.04 %) |
| Aug 20 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 4.88 | 625 | 3,050 | 30,625 | 30 K to 30.6 K (+2.08 %) |
| Jun 22 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 0.00 | 600 | 0 | 2,615 | |
| Jun 22 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 29.29 | 600 | 17,574 | 30,000 | 30.6 K to 30 K (-1.96 %) |
| Jun 22 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 0.00 | 600 | 0 | 30,600 | 30 K to 30.6 K (+2.00 %) |
| Jun 08 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 4.88 | 625 | 3,050 | 5,625 | |
| Jun 08 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 25.77 | 625 | 16,107 | 30,000 | 30.6 K to 30 K (-2.04 %) |
| Jun 08 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 4.88 | 625 | 3,050 | 30,625 | 30 K to 30.6 K (+2.08 %) |
| Apr 30 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Grant | A | 0.00 | 20,000 | 0 | 30,000 | 10 K to 30 K (+200.00 %) |
| Mar 22 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 4.88 | 3,750 | 18,300 | 6,250 | |
| Mar 22 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 0.00 | 600 | 0 | 3,215 | |
| Mar 22 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 23.80 | 3,750 | 89,250 | 10,000 | 13.8 K to 10 K (-27.27 %) |
| Mar 22 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 23.28 | 600 | 13,968 | 13,750 | 14.4 K to 13.8 K (-4.18 %) |
| Mar 22 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 4.88 | 3,750 | 18,300 | 14,350 | 10.6 K to 14.4 K (+35.38 %) |
| Mar 22 2007 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 0.00 | 600 | 0 | 10,600 | 10 K to 10.6 K (+6.00 %) |
| Dec 21 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 0.00 | 600 | 0 | 3,815 | |
| Dec 21 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 15.55 | 600 | 9,330 | 10,000 | 10.6 K to 10 K (-5.66 %) |
| Dec 21 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 0.00 | 600 | 0 | 10,600 | 10 K to 10.6 K (+6.00 %) |
| Oct 18 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Grant | A | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 26 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 0.00 | 600 | 0 | 4,415 | |
| Sep 26 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 10.57 | 600 | 6,342 | 0 | 600 to 0 (-100.00 %) |
| Sep 26 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 10.57 | 1,691 | 17,874 | 600 | 2.3 K to 600 (-73.81 %) |
| Sep 26 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 0.00 | 600 | 0 | 2,280 | 1.7 K to 2.3 K (+35.71 %) |
| Jun 21 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | M | 0.00 | 600 | 0 | 5,015 | |
| Jun 21 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 8.30 | 500 | 4,150 | 1,680 | 2.2 K to 1.7 K (-22.94 %) |
| Jun 21 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 8.30 | 1,500 | 12,450 | 2,180 | 3.7 K to 2.2 K (-40.76 %) |
| Jun 21 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | M | 0.00 | 600 | 0 | 3,680 | 3.1 K to 3.7 K (+19.48 %) |
| Mar 21 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | X | 0.00 | 4,000 | 0 | 5,615 | |
| Mar 21 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 9.11 | 5,400 | 49,205 | 3,080 | 8.5 K to 3.1 K (-63.68 %) |
| Mar 21 2006 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | X | 0.00 | 4,000 | 0 | 8,480 | 4.5 K to 8.5 K (+89.29 %) |
| Dec 09 2005 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 5.88 | 9,746 | 57,306 | 4,481 | 14.2 K to 4.5 K (-68.50 %) |
| Dec 09 2005 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Sell | S | 5.77 | 9,735 | 56,171 | 14,227 | 24 K to 14.2 K (-40.63 %) |
| Oct 28 2005 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | A | 4.88 | 10,000 | 48,800 | 19,615 | |
| Feb 16 2005 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | C | 0.00 | 192,307 | 0 | 192,307 | |
| Feb 16 2005 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | C | 0.01 | 250 | 3 | 0 | |
| Feb 16 2005 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | C | 0.00 | 632 | 0 | 0 | |
| Feb 16 2005 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Buy | C | 0.00 | 479,230 | 0 | 479,230 | 0 to 479.2 K |
| Sep 10 2004 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | A | 0.01 | 250 | 3 | 250 | |
| Oct 10 2003 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | J | 0.00 | 623 | 0 | 623 | |
| Oct 10 2003 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | J | 2.00 | 949 | 1,898 | 0 | |
| Oct 10 2003 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | J | 2.00 | 2,847 | 5,694 | 0 | |
| Oct 10 2003 | COI | COGENT COMMUNICATI ... | SCHLEIFER MARK A | VP of IP Engineerin ... | Option Exercise | J | 15.00 | 17,500 | 262,500 | 0 |
Page: 1