Company · CIK 0001158324 · SIC 4899 — Communications Services, NEC · Nasdaq
COGENT COMMUNICATIONS HOLDINGS, INC. · CCOI
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 SForm 4 → | Sep 15, 5:50 pm EDT | Henry W KilmerVP OF NETWORK STRATEGY | 2,400 | $9.21 | $22,104 | 36,200 | −6.22% | |
| Sep 2, 2026 SForm 4 → | Sep 3, 9:45 am EDT | Thaddeus Gerard WeedVICE PRESIDENT, CFO | 4,850 | $9.37 | $45,445 | 193,050 | −2.45% | |
| Jun 30, 2026 AForm 4 → | Jul 1, 5:17 pm EDT | Deneen C HowellDirector | 3,445 | — | — | 32,330 | — | |
| Jun 30, 2026 AForm 4 → | Jul 1, 4:52 pm EDT | Steven D BrooksDirector | 3,445 | — | — | 58,693 | — | |
| Jun 30, 2026 AForm 4 → | Jul 1, 11:21 am EDT | Paul de SaDirector | 3,445 | — | — | 33,792 | — | |
| Jun 30, 2026 AForm 4 → | Jul 1, 11:21 am EDT | Eve N HowardDirector | 3,445 | — | — | 27,306 | — | |
| Jun 30, 2026 AForm 4 → | Jun 30, 5:04 pm EDT | Lewis H FergusonDirector | 3,445 | — | — | 24,539 | — | |
| Jun 30, 2026 AForm 4 → | Jun 30, 5:03 pm EDT | Sheryl Lynn KennedyDirector | 3,445 | — | — | 13,690 | — | |
| Jun 30, 2026 AForm 4 → | Jun 30, 5:03 pm EDT | Marc MontagnerDirector | 3,445 | — | — | 99,842 | — | |
| Jun 16, 2026 SForm 4 → | Jun 16, 4:25 pm EDT | Thaddeus Gerard WeedVICE PRESIDENT, CFO | 4,850 | $16.79 | $81,434 | 197,900 | −2.39% | |
| Jun 15, 2026 SForm 4 → | Jun 15, 4:24 pm EDT | Henry W KilmerVP OF NETWORK STRATEGY | 2,400 | $17.01 | $40,824 | 38,600 | −5.85% | |
| Mar 13, 2019 SForm 4 → | Mar 13, 5:24 pm EDT | Timothy G OneillVP Field Engineering | 2,000 | $51.00 | $102,000 | 33,652 | −5.61% | plan? |
| Mar 12, 2019 SForm 4 → | Mar 13, 10:42 am EDT | Steven D BrooksDirector | 9,900 | $50.13 | $496,280 | 20,000 | −33.1% | plan? |
| Mar 12, 2019 SForm 4 → | Mar 12, 4:19 pm EDT | Marc MontagnerDirector | 2,000 | $50.00 | $100,000 | 43,750 | −4.37% | plan? |
| Mar 12, 2019 SForm 4 → | Mar 12, 4:16 pm EDT | Thaddeus Gerard WeedVP, CFO & Treasurer | 5,000 | $50.00 | $250,000 | 61,050 | −7.57% | plan? |
| Mar 12, 2019 GForm 4 → | Mar 12, 2:43 pm EDT | Richard LiebhaberDirector | 1,200 | — | — | 72,595 | — | plan? |
| Mar 7, 2019 SForm 4 → | Mar 8, 4:20 pm EST | Lewis H FergusonDirector | 580 | $48.60 | $28,187 | 2,120 | −21.5% | plan? |
| Mar 6, 2019 SForm 4 → | Mar 6, 3:22 pm EST | Henry W KilmerVP of IP Engineering | 2,400 | $48.92 | $117,418 | 28,800 | −7.69% | plan? |
| Mar 4, 2019 GForm 4 → | Mar 5, 10:40 am EST | Marc MontagnerDirector | 1,000 | — | — | 45,750 | — | plan? |
| Mar 1, 2019 SForm 4 → | Mar 4, 2:10 pm EST | James BubeckChief Revenue Officer | 1,920 | $48.99 | $94,067 | 31,372 | −5.77% | plan? |
| Mar 1, 2019 SForm 4 → | Mar 4, 11:05 am EST | Robert N Beury Jr.VP & Chief Legal Officer | 2,400 | $49.00 | $117,596 | 36,440 | −6.18% | plan? |
| Mar 1, 2019 SForm 4 → | Mar 1, 1:54 pm EST | Timothy G OneillVP Field Engineering | 2,000 | $48.96 | $97,920 | 35,652 | −5.31% | plan? |
| Feb 19, 2019 SForm 4 → | Feb 19, 4:25 pm EST | Timothy G OneillVP Field Engineering | 1,000 | $50.00 | $50,000 | 37,652 | −2.59% | plan? |
| Jan 2, 2019 SForm 4 → | Jan 3, 2:40 pm EST | James BubeckChief Revenue Officer | 250 | $44.51 | $11,127 | 33,292 | −0.75% | plan? |
| Jan 1, 2019 AForm 4 → | Jan 3, 1:37 pm EST | Tim WeingartenDirector | 1,750 | — | — | 22,861 | — | plan? |
| Jan 1, 2019 AForm 4 → | Jan 3, 1:10 pm EST | Richard LiebhaberDirector | 1,750 | — | — | 73,795 | — | plan? |
| Jan 1, 2019 AForm 4 → | Jan 3, 1:06 pm EST | Lewis H FergusonDirector | 1,750 | — | — | 2,700 | — | plan? |
| Jan 1, 2019 AForm 4 → | Jan 3, 1:05 pm EST | Steven D BrooksDirector | 1,750 | — | — | 29,900 | — | plan? |
| Jan 1, 2019 AForm 4 → | Jan 2, 4:29 pm EST | Marc MontagnerDirector | 1,750 | — | — | 46,750 | — | plan? |
| Jan 1, 2019 AForm 4 → | Jan 2, 3:36 pm EST | Blake BathDirector | 1,750 | — | — | 26,675 | — | plan? |
| Dec 14, 2018 SForm 4 → | Dec 14, 4:05 pm EST | Thaddeus Gerard WeedVP, CFO & Treasurer | 3,000 | $46.89 | $140,658 | 66,050 | −4.34% | plan? |
| Dec 14, 2018 SForm 4 → | Dec 14, 3:48 pm EST | Lewis H FergusonDirector | 800 | $47.20 | $37,760 | 950 | −45.7% | plan? |
| Dec 6, 2018 SForm 4 → | Dec 7, 9:20 am EST | Henry W KilmerVP of IP Engineering | 3,000 | $46.68 | $140,043 | 31,200 | −8.77% | plan? |
| Dec 3, 2018 SForm 4 → | Dec 4, 11:56 am EST | Robert N Beury Jr.VP & Chief Legal Officer | 3,000 | $49.16 | $147,473 | 38,840 | −7.17% | plan? |
| Nov 8, 2018 SForm 4 → | Nov 9, 3:54 pm EST | Tim WeingartenDirector | 2,500 | $51.01 | $127,523 | 21,111 | −10.6% | plan? |
| Oct 1, 2018 SForm 4 → | Oct 1, 5:58 pm EDT | Timothy G OneillVP Field Engineering | 1,000 | $55.80 | $55,800 | 38,652 | −2.52% | plan? |
| Oct 1, 2018 AForm 4 → | Oct 1, 5:14 pm EDT | Tim WeingartenDirector | 1,750 | — | — | 23,611 | — | plan? |
| Oct 1, 2018 AForm 4 → | Oct 1, 5:13 pm EDT | Marc MontagnerDirector | 1,750 | — | — | 45,000 | — | plan? |
| Oct 1, 2018 AForm 4 → | Oct 1, 1:40 pm EDT | Richard LiebhaberDirector | 1,750 | — | — | 72,045 | — | plan? |
| Oct 1, 2018 AForm 4 → | Oct 1, 1:11 pm EDT | Lewis H FergusonDirector | 1,750 | — | — | 1,750 | — | plan? |
| Oct 1, 2018 AForm 4 → | Oct 1, 1:09 pm EDT | Steven D BrooksDirector | 1,750 | — | — | 28,150 | — | plan? |
| Oct 1, 2018 AForm 4 → | Oct 1, 1:08 pm EDT | Blake BathDirector | 1,750 | — | — | 24,925 | — | plan? |
| Sep 13, 2018 SForm 4 → | Sep 14, 9:48 am EDT | Blake BathDirector | 3,589 | $54.94 | $197,186 | 23,175 | −13.4% | plan? |
| Sep 13, 2018 SForm 4 → | Sep 13, 2:08 pm EDT | Robert N Beury Jr.VP & Chief Legal Officer | 4,000 | $54.92 | $219,689 | 41,840 | −8.73% | plan? |
| Sep 12, 2018 SForm 4 → | Sep 12, 3:26 pm EDT | Robert N Beury Jr.VP & Chief Legal Officer | 2,000 | $54.96 | $109,910 | 45,840 | −4.18% | plan? |
| Sep 11, 2018 SForm 4 → | Sep 13, 2:59 pm EDT | Blake BathDirector | 18,411 | $54.93 | $1,011,312 | 26,764 | −40.8% | plan? |
| Sep 6, 2018 SForm 4 → | Sep 6, 5:14 pm EDT | Henry W KilmerVP of IP Engineering | 3,000 | $54.98 | $164,928 | 34,200 | −8.06% | plan? |
| Sep 5, 2018 SForm 4 → | Sep 5, 3:45 pm EDT | Thaddeus Gerard WeedVP, CFO & Treasurer | 4,500 | $53.55 | $240,975 | 69,050 | −6.12% | plan? |
| Sep 4, 2018 SForm 4 → | Sep 5, 9:06 am EDT | Timothy G OneillVP Field Engineering | 1,000 | $54.50 | $54,500 | 39,652 | −2.46% | plan? |
| Sep 4, 2018 SForm 4 → | Sep 4, 5:18 pm EDT | Robert N Beury Jr.VP & Chief Legal Officer | 3,000 | $53.95 | $161,857 | 47,840 | −5.90% | plan? |
| Aug 1, 2018 SForm 4 → | Aug 1, 11:44 am EDT | Timothy G OneillVP Field Engineering | 1,000 | $51.95 | $51,950 | 40,652 | −2.40% | plan? |
| Jul 2, 2018 SForm 4 → | Jul 3, 1:16 pm EDT | Timothy G OneillVP Field Engineering | 1,000 | $53.00 | $53,000 | 41,652 | −2.34% | plan? |
| Jul 1, 2018 AForm 4 → | Jul 3, 1:17 pm EDT | Tim WeingartenDirector | 1,750 | — | — | 21,861 | — | plan? |
| Jul 1, 2018 AForm 4 → | Jul 3, 12:25 pm EDT | Steven D BrooksDirector | 1,750 | — | — | 26,400 | — | plan? |
| Jul 1, 2018 AForm 4 → | Jul 3, 12:24 pm EDT | Richard LiebhaberDirector | 1,750 | — | — | 70,295 | — | plan? |
| Jul 1, 2018 AForm 4 → | Jul 2, 4:31 pm EDT | Marc MontagnerDirector | 1,750 | — | — | 43,250 | — | plan? |
| Jul 1, 2018 AForm 4 → | Jul 2, 3:09 pm EDT | Blake BathDirector | 1,750 | — | — | 45,175 | — | plan? |
| Jun 20, 2018 GForm 4 → | Jun 20, 4:15 pm EDT | Richard LiebhaberDirector | 5,000 | — | — | 68,545 | — | plan? |
| Jun 19, 2018 SForm 4 → | Jun 19, 4:19 pm EDT | Raymond B KummerCTO; VP Optical Transport | 2,100 | $54.76 | $114,988 | 49,640 | −4.06% | plan? |
| Jun 15, 2018 SForm 4 → | Jun 18, 11:32 am EDT | Raymond B KummerCTO; VP Optical Transport | 3,000 | $53.78 | $161,333 | 51,740 | −5.48% | plan? |
| Jun 6, 2018 SForm 4 → | Jun 6, 3:57 pm EDT | Raymond B KummerCTO; VP Optical Transport | 3,000 | $52.67 | $157,997 | 54,740 | −5.20% | plan? |
| Jun 6, 2018 SForm 4 → | Jun 6, 2:40 pm EDT | Henry W KilmerVP of IP Engineering | 3,000 | $52.63 | $157,896 | 37,200 | −7.46% | plan? |
| Jun 4, 2018 SForm 4 → | Jun 5, 8:35 am EDT | Thaddeus Gerard WeedVP, CFO & Treasurer | 4,500 | $51.12 | $230,039 | 73,550 | −5.77% | plan? |
| Jun 1, 2018 SForm 4 → | Jun 1, 5:13 pm EDT | Robert N Beury Jr.VP & Chief Legal Officer | 3,000 | $51.14 | $153,434 | 50,840 | −5.57% | plan? |
| Jun 1, 2018 SForm 4 → | Jun 1, 3:23 pm EDT | Timothy G OneillVP Field Engineering | 1,000 | $51.30 | $51,300 | 42,652 | −2.29% | plan? |
| May 18, 2018 SForm 4 → | May 18, 4:13 pm EDT | Marc MontagnerDirector | 2,000 | $50.00 | $100,000 | 41,500 | −4.60% | plan? |
| May 16, 2018 SForm 4 → | May 17, 2:45 pm EDT | Steven D BrooksDirector | 2,000 | $50.65 | $101,298 | 24,650 | −7.50% | plan? |
| May 11, 2018 SForm 4 → | May 11, 12:40 pm EDT | James BubeckChief Revenue Officer | 2,000 | $50.36 | $100,724 | 33,542 | −5.63% | plan? |
| May 9, 2018 SForm 4 → | May 9, 4:16 pm EDT | Thaddeus Gerard WeedVP, CFO & Treasurer | 3,000 | $49.32 | $147,952 | 78,050 | −3.70% | plan? |
| May 8, 2018 SForm 4 → | May 9, 1:27 pm EDT | Steven D BrooksDirector | 5,000 | $48.34 | $241,697 | 26,650 | −15.8% | plan? |
| May 3, 2018 SForm 4 → | May 3, 2:45 pm EDT | Timothy G OneillVP Field Engineering | 1,000 | $50.00 | $50,000 | 43,652 | −2.24% | plan? |
| Apr 12, 2018 SForm 4 → | Apr 12, 1:12 pm EDT | Timothy G OneillVP Field Engineering | 1,000 | $45.75 | $45,750 | 44,652 | −2.19% | plan? |
| Apr 1, 2018 AForm 4 → | Apr 2, 4:30 pm EDT | Tim WeingartenDirector | 1,750 | — | — | 20,111 | — | plan? |
| Apr 1, 2018 AForm 4 → | Apr 2, 4:29 pm EDT | Marc MontagnerDirector | 1,750 | — | — | 43,500 | — | plan? |
| Apr 1, 2018 AForm 4 → | Apr 2, 3:11 pm EDT | Richard LiebhaberDirector | 1,750 | — | — | 73,545 | — | plan? |
| Apr 1, 2018 AForm 4 → | Apr 2, 3:10 pm EDT | Steven D BrooksDirector | 1,750 | — | — | 31,650 | — | plan? |
| Apr 1, 2018 AForm 4 → | Apr 2, 11:23 am EDT | Blake BathDirector | 1,750 | — | — | 43,425 | — | plan? |
| Mar 16, 2018 SForm 4 → | Mar 16, 4:46 pm EDT | Tim WeingartenDirector | 1,700 | $43.60 | $74,120 | 18,361 | −8.47% | plan? |
| Mar 12, 2018 SForm 4 → | Mar 12, 4:45 pm EDT | Thaddeus Gerard WeedVP, CFO & Treasurer | 6,000 | $45.17 | $271,015 | 81,050 | −6.89% | plan? |
| Mar 6, 2018 SForm 4 → | Mar 6, 3:16 pm EST | Henry W KilmerVP of IP Engineering | 3,000 | $43.36 | $130,081 | 40,200 | −6.94% | plan? |
| Mar 2, 2018 SForm 4 → | Mar 2, 5:28 pm EST | James BubeckChief Revenue Officer | 300 | $43.01 | $12,902 | 35,542 | −0.84% | plan? |
| Mar 1, 2018 SForm 4 → | Mar 2, 5:06 pm EST | Timothy G OneillVP Field Engineering | 1,000 | $42.95 | $42,950 | 45,652 | −2.14% | plan? |
| Mar 1, 2018 SForm 4 → | Mar 1, 5:34 pm EST | Robert N Beury Jr.VP & Chief Legal Officer | 3,000 | $43.17 | $129,519 | 53,840 | −5.28% | plan? |
| Feb 26, 2018 GForm 4 → | Feb 26, 5:27 pm EST | Richard LiebhaberDirector | 1,000 | — | — | 71,795 | — | plan? |
| Feb 21, 2018 AForm 4 → | Feb 22, 4:51 pm EST | Timothy G OneillVP Field Engineering | 9,600 | — | — | 46,652 | — | plan? |
| Feb 21, 2018 AForm 4 → | Feb 22, 4:50 pm EST | Raymond B KummerCTO; VP Optical Transport | 9,600 | — | — | 57,740 | — | plan? |
| Feb 21, 2018 AForm 4 → | Feb 22, 4:50 pm EST | Henry W KilmerVP of IP Engineering | 9,600 | — | — | 43,200 | — | plan? |
| Feb 21, 2018 AForm 4 → | Feb 22, 4:49 pm EST | James BubeckChief Revenue Officer | 9,600 | — | — | 35,842 | — | plan? |
| Feb 21, 2018 AForm 4 → | Feb 22, 4:48 pm EST | Robert N Beury Jr.VP & Chief Legal Officer | 9,600 | — | — | 56,840 | — | plan? |
| Feb 21, 2018 AForm 4 → | Feb 22, 4:43 pm EST | Thaddeus Gerard WeedVP, CFO & Treasurer | 19,400 | — | — | 87,050 | — | plan? |
| Feb 21, 2018 AForm 4 → | Feb 22, 4:41 pm EST | Dave SchaefferChairman, President & CEO, Director | 189,000 | — | — | 4,220,340 | — | plan? |
| Jan 1, 2018 AForm 4 → | Jan 3, 9:18 am EST | Tim WeingartenDirector | 1,750 | — | — | 20,061 | — | plan? |
| Jan 1, 2018 AForm 4 → | Jan 3, 9:10 am EST | Blake BathDirector | 1,750 | — | — | 41,675 | — | plan? |
| Jan 1, 2018 AForm 4 → | Jan 2, 5:28 pm EST | Richard LiebhaberDirector | 1,750 | — | — | 72,795 | — | plan? |
| Jan 1, 2018 AForm 4 → | Jan 2, 4:36 pm EST | Steven D BrooksDirector | 1,750 | — | — | 29,900 | — | plan? |
| Jan 1, 2018 AForm 4 → | Jan 2, 4:06 pm EST | Marc MontagnerDirector | 1,750 | — | — | 41,750 | — | plan? |
| Dec 15, 2017 SForm 4 → | Dec 15, 4:14 pm EST | Tim WeingartenDirector | 2,125 | $47.02 | $99,921 | 18,311 | −10.4% | plan? |
| Dec 15, 2017 SForm 4 → | Dec 15, 11:46 am EST | Marc MontagnerDirector | 5,000 | $47.00 | $235,000 | 40,000 | −11.1% | plan? |
| Dec 8, 2017 SForm 4 → | Dec 11, 10:29 am EST | Timothy G OneillVP Field Engineering | 2,000 | $45.65 | $91,291 | 37,052 | −5.12% | plan? |
| Dec 7, 2017 SForm 4 → | Dec 7, 4:15 pm EST | Thaddeus Gerard WeedVP, CFO & Treasurer | 2,000 | $45.81 | $91,616 | 67,650 | −2.87% | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 25, 2015 MForm 4 → | Aug 25, 3:38 pm EDT | Raymond B KummerCTO; VP Optical Transport | 3,800 | — | — | 0 | — |