| $156M | ||
| $148M | ||
| $100M | ||
| $16M | ||
| $13M | ||
| $11M |
Buys | $0 | 0 | 0 |
Sells | $973,377 | 14 | 100 |
| Kennedy Sheryl Lynn | director | 0 | $0 | 3 | $180,606 | $-180,606 |
| FERGUSON Lewis H | director | 0 | $0 | 3 | $189,153 | $-189,153 |
| KILMER HENRY W | VP OF NETWORK STRATEGY | 0 | $0 | 5 | $280,632 | $-280,632 |
| WEED THADDEUS GERARD | VICE PRESIDENT, CFO | 0 | $0 | 4 | $411,762 | $-411,762 |
Cogent Communications Holdings, Inc., founded in 1999 and based in Washington, D.C., functions as a multinational provider of high-speed internet connectivity, private networking solutions, and data center co-location services. Its extensive reach covers clients across North America, Europe, Asia, South America, Australia, and Africa. The company delivers its core services, including rapid internet access and secure private networks, in two primary ways: directly to customers located within buildings physically connected to its network (referred to as on-net services), and to those outside this direct infrastructure (off-net services). For corporate customers requiring off-net connections, Cogent frequently utilizes other carriers' circuits to complete the final segment of the network link to the customer's premises. Cogent serves a broad spectrum of organizations, from professional services firms like legal practices, financial institutions, advertising and marketing agencies, healthcare providers, and educational institutions, to other key players in the communications sector. This includes other internet service providers, telephone and cable television companies, web hosting providers, media and mobile phone operators, content delivery networks, and commercial content/application developers. Furthermore, Cogent operates 54 data centers, allowing customers to house their equipment securely and connect directly to its network. The company boasts a significant infrastructure presence, providing facilities to 3,035 buildings in total, with direct on-net services available to 1,817 multi-tenant office buildings. Cogent primarily caters to small and medium-sized enterprises, communications service providers, and organizations with substantial bandwidth demands.
Over the last 12 months, insiders at Cogent Communications Holdings, Inc. have bought $0 and sold $973,377 worth of Cogent Communications Holdings, Inc. stock.
On average, over the past 5 years, insiders at Cogent Communications Holdings, Inc. have bought $537,440 and sold $42.09M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 10,000 shares for transaction amount of $526,130 was made by Montagner Marc (director) on 2024‑06‑11.
| 2026-09-02 | Sale | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | 4,850 0.0089% | $9.37 | $45,445 | -2.01% | |
| 2026-06-16 | Sale | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | 4,850 0.0099% | $16.79 | $81,434 | -23.50% | |
| 2026-06-15 | Sale | KILMER HENRY W | VP OF NETWORK STRATEGY | 2,400 0.0051% | $17.01 | $40,824 | -24.86% | |
| 2026-05-28 | Sale | FERGUSON Lewis H | director | 2,800 0.0053% | $20.36 | $57,008 | -35.97% | |
| 2026-05-14 | Sale | Kennedy Sheryl Lynn | director | 3,300 0.0066% | $16.22 | $53,518 | -19.52% | |
| 2026-03-06 | Sale | KILMER HENRY W | VP OF NETWORK STRATEGY | 2,400 0.0049% | $23.35 | $56,040 | -30.16% | |
| 2026-03-05 | Sale | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | 4,850 0.0096% | $22.63 | $109,756 | -29.18% | |
| 2026-03-05 | Sale | FERGUSON Lewis H | director | 2,206 0.0045% | $23.03 | $50,804 | -29.18% | |
| 2026-03-05 | Sale | Kennedy Sheryl Lynn | director | 3,300 0.0067% | $22.99 | $75,867 | -29.18% | |
| 2025-12-11 | Sale | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | 7,300 0.0147% | $23.99 | $175,127 | -24.34% | |
| 2025-12-08 | Sale | KILMER HENRY W | VP OF NETWORK STRATEGY | 4,800 0.0091% | $19.79 | $94,992 | -12.58% | |
| 2025-12-02 | Sale | FERGUSON Lewis H | director | 4,000 0.0083% | $20.34 | $81,341 | -6.62% | |
| 2025-12-01 | Sale | KILMER HENRY W | VP OF NETWORK STRATEGY | 2,400 – | $0 | $0 | -3.71% | |
| 2025-11-11 | Sale | Kennedy Sheryl Lynn | director | 2,400 0.0044% | $21.34 | $51,221 | -10.07% | |
| 2025-09-05 | Sale | KILMER HENRY W | VP OF NETWORK STRATEGY | 2,400 0.0049% | $36.99 | $88,776 | -45.69% | |
| 2025-09-02 | Sale | WEED THADDEUS GERARD | VICE PRESIDENT, CFO | 4,900 0.01% | $36.98 | $181,202 | -45.05% | |
| 2025-08-21 | Sale | Kennedy Sheryl Lynn | director | 2,000 0.0039% | $36.35 | $72,700 | -42.99% | |
| 2025-08-08 | Sale | SCHAEFFER DAVE | CHAIRMAN, CEO, AND PRESIDENT | 818,909 1.4907% | $27.50 | $22.52M | -26.08% | |
| 2025-08-07 | Sale | SCHAEFFER DAVE | CHAIRMAN, CEO, AND PRESIDENT | 1.84M 3.4415% | $32.60 | $60.01M | -35.84% | |
| 2025-06-16 | Sale | SCHAEFFER DAVE | CHAIRMAN, CEO, AND PRESIDENT | 70,000 0.1425% | $47.11 | $3.3M | -47.72% |
| WEED THADDEUS GERARD | VICE PRESIDENT, CFO | 193050 0.3855% | $1.94M | 0 | 140 | |
| KILMER HENRY W | VP OF NETWORK STRATEGY | 38600 0.0771% | $387,930.00 | 0 | 80 | |
| FERGUSON Lewis H | director | 21094 0.0421% | $211,994.70 | 2 | 30 | +16.08% |
| Kennedy Sheryl Lynn | director | 10245 0.0205% | $102,962.25 | 0 | 23 | |
| PETERSON KENNETH D JR | director | 1938965 3.8719% | $19.49M | 0 | 2 | |
| SCHAEFFER DAVE | CHAIRMAN, CEO, AND PRESIDENT | 697143 1.3921% | $7.01M | 0 | 54 | |
| Montagner Marc | director | 79468 0.1587% | $798,653.40 | 3 | 8 | +22.66% |
| Karnes Jeffrey | VP Sales & CRO | 72218 0.1442% | $725,790.90 | 0 | 62 | |
| Chang John B. | VP & CHIEF LEGAL OFFICER | 69300 0.1384% | $696,465.00 | 0 | 27 | |
| LIEBHABER RICHARD | director | 66095 0.132% | $664,254.75 | 4 | 4 | +11.96% |
| BUBECK JAMES | CHIEF REVENUE OFFICER | 55142 0.1101% | $554,177.10 | 0 | 45 | |
| KUMMER RAYMOND B | CTO; VP Optical Transport | 50400 0.1006% | $506,520.00 | 0 | 97 | |
| Harrison R Reed | President & COO | 45000 0.0899% | $452,250.00 | 0 | 28 | |
| Ortega Ernest | Chief Revenue Officer | 38800 0.0775% | $389,940.00 | 0 | 5 | |
| BEURY ROBERT N JR | VP & Chief Legal Officer | 36440 0.0728% | $366,222.00 | 0 | 163 | |
| ONEILL TIMOTHY G | VP Construction | 33600 0.0671% | $337,680.00 | 0 | 140 | |
| BROOKS STEVEN D | director | 33277 0.0665% | $334,433.85 | 3 | 18 | +13.06% |
| Wallace Sean Robert | VP, CFO & Treasurer | 29225 0.0584% | $293,711.25 | 0 | 5 | |
| GLASSMEYER EDWARD F | director | 25825 0.0516% | $259,541.25 | 1 | 2 | |
| WEINGARTEN TIM | director | 21111 0.0422% | $212,165.55 | 3 | 21 | +10.66% |
| Howard Eve N | director | 10059 0.0201% | $101,092.95 | 0 | 1 | |
| Bath Blake | director | 10000 0.02% | $100,500.00 | 3 | 13 | +10.36% |
| Kapp David Allen | VP & CHIEF TECHNICAL OFFICER | 6600 0.0132% | $66,330.00 | 0 | 3 | |
| LEE HELEN HEYOUNG | Chief Financial Officer | 800 0.0016% | $8,040.00 | 0 | 1 | |
| SCHLEIFER MARK A | VP of IP Engineering | 0 0% | $0 | 0 | 34 | |
| MARGALIT EREL N | director | 0 0% | $0 | 3 | 16 | +6.24% |
| BERTRAND JEAN JACQUES | director | 0 0% | $0 | 0 | 3 |
$46,710 | 1 | 2.13% | $20.27B | |
$8,706 | 1 | 14.16% | $3.32B |
| Increased Positions | 138 | +41.07% | 10M | +19.2% |
| Decreased Positions | 154 | -45.83% | 12M | -23.13% |
| New Positions | 50 | New | 3M | New |
| Sold Out Positions | 71 | Sold Out | 5M | Sold Out |
| Total Postitions | 320 | -4.76% | 49M | -3.93% |
| Blackrock, Inc. | $142,115.00 | 14.07% | 6.89M | +411,552 | +6.35% | 2025-09-30 |
| Vanguard Group Inc | $110,581.00 | 10.95% | 5.36M | +270,975 | +5.32% | 2025-09-30 |
| Turtle Creek Asset Management Inc. | $94,933.00 | 9.4% | 4.6M | +2M | +64.86% | 2025-09-30 |
| Edgepoint Investment Group Inc. | $47,052.00 | 4.66% | 2.28M | +2,438 | +0.11% | 2025-09-30 |
| State Street Corp | $39,955.00 | 3.95% | 1.94M | +149,443 | +8.36% | 2025-09-30 |
| Morgan Stanley | $37,127.00 | 3.68% | 1.8M | +556,518 | +44.74% | 2025-09-30 |
| Invesco Ltd. | $28,922.00 | 2.86% | 1.4M | +399,339 | +39.8% | 2025-09-30 |
| Magnolia Group, Llc | $26,236.00 | 2.6% | 1.27M | +179,126 | +16.39% | 2025-09-30 |
| Geode Capital Management, Llc | $23,662.00 | 2.34% | 1.15M | +87,140 | +8.22% | 2025-09-30 |
| Bank Of America Corp /De/ | $23,639.00 | 2.34% | 1.15M | +970,367 | +551.19% | 2025-09-30 |