CIK 0001158324 · Large accelerated filer
COGENT COMMUNICATIONS HOLDINGS, INC.
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- CCOI
- Exchange
- Nasdaq
- Industry
- Communications Services, NEC
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 522337274
- Phone
- 2022954200
- Business address
- 2450 N STREET, NW, WASHINGTON, DC, 20037
- Former names
- COGENT COMMUNICATIONS GROUP INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $67,549
- in 2 filings
Net −$67,549. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-06-04 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −50,000 | $47.76 | $2.4M | 3,881,721 |
| 2025-06-04 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −25,000 | $47.76 | $1.2M | 3,856,721 |
| 2025-06-03 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −50,000 | $47.00 | $2.3M | 3,946,721 |
| 2025-06-03 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −15,000 | $46.86 | $703K | 3,931,721 |
| 2025-06-02 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −50,000 | $46.38 | $2.3M | 4,011,721 |
| 2025-06-02 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −15,000 | $46.13 | $692K | 3,996,721 |
| 2025-06-02 | Chang John B. VP & CHIEF LEGAL OFFICER | Gift | −398 | 76,847 | ||
| 2025-05-30 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −25,000 | $45.90 | $1.1M | 4,061,721 |
| 2025-05-29 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −25,000 | $46.90 | $1.2M | 4,086,721 |
| 2025-05-28 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −20,000 | $47.41 | $948K | 4,111,721 |
| 2025-05-28 | WEED THADDEUS GERARD VICE PRESIDENT, CFO | Sale | −100 | $47.67 | $5K | 102,900 |
| 2025-05-28 | FERGUSON Lewis H Director | Sale | −1,100 | $47.57 | $52K | 18,904 |
| 2025-05-27 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −20,000 | $48.67 | $973K | 4,131,721 |
| 2025-05-23 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −25,000 | $46.93 | $1.2M | 4,151,721 |
| 2025-05-22 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −25,000 | $46.27 | $1.2M | 4,176,721 |
| 2025-05-21 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −40,000 | $46.81 | $1.9M | 4,201,721 |
| 2025-05-20 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −15,000 | $49.96 | $749K | 4,241,721 |
| 2025-05-16 | SCHAEFFER DAVE CHAIRMAN, CEO, AND PRESIDENT | Sale | −15,000 | $51.00 | $765K | 4,256,721 |
| 2025-05-16 | WEED THADDEUS GERARD VICE PRESIDENT, CFO | Sale | −0 | 103,000 | ||
| 2024-12-01 | KILMER HENRY W VP OF NETWORK STRATEGY | Grant or award | +2,400 | 38,600 |
Page 6 of 6 · 120 trades