Insider Trading › CCOI › Insiders
COGENT COMMUNICATIONS HOLDINGS, INC.
CCOI·Nasdaq·
United States·Insider activity
United States·Insider activity$9.31
+0.43 (+4.84%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
CCOI
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CCOIS&P 500 (rebased)
Insider BuyInsider SellForm 144 · planned sale
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
In the last 180 days, CCOI insiders filed 0 purchases ($0) and 6 sales ($300K) on the open market, by 4 insiders. Newest filing Sep 15, 2026 (22 days ago).
Net Insider Buying by Quarter
Shares bought (+) or sold (−) on the open market by CCOI insiders · Form 4 · last two years
On Record
$0Purchases · 180 days
$300KSales · 180 days
1,112Open-market transactions on record
4Insiders filing · 180 days
Purchases (code P) and sales (code S) of CCOI common stock reported on Form 4, with Form 5 annual catch-ups. Grants, option exercises, gifts and tax withholding are not shown. Dollars are shares × the stated price; a price outside anything the stock traded at that day is withheld (n/c).
Insider Transactions
1,112 on record · newest trade first · the newest 300 shown
AllPurchasesSalesOfficers & directors
| Insider | Type | Shares | Price | Value | Held after | Traded | Filed | |
|---|---|---|---|---|---|---|---|---|
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −2,400 | $9.21 | $22K | 36.2Kdirect | Sep 15, 2026 | Sep 15, 2026 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −4,850 | $9.37 | $45K | 193.1Kdirect | Sep 2, 2026 | Sep 3, 2026 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −4,850 | $16.79 | $81K | 197.9Kdirect | Jun 16, 2026 | Jun 16, 2026 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −2,400 | $17.01 | $41K | 38.6Kdirect | Jun 15, 2026 | Jun 15, 2026 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −2,800 | $20.36 | $57K | 21.1Kdirect | May 28, 2026 | May 28, 2026 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −3,300 | $16.22 | $54K | 10.2Kdirect | May 14, 2026 | May 18, 2026 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −2,400 | $23.35 | $56K | 41.0Kdirect | Mar 6, 2026 | Mar 9, 2026 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −3,300 | $22.99 | $76K | 10.1Kdirect | Mar 5, 2026 | Mar 5, 2026 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −2,206 | $23.03 | $51K | 20.4Kdirect | Mar 5, 2026 | Mar 5, 2026 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −4,850 | $22.63 | $110K | 202.8Kdirect | Mar 5, 2026 | Mar 5, 2026 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −7,300 | $23.99 | $175K | 88.2Kdirect | Dec 11, 2025 | Dec 12, 2025 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −4,800 | $19.79 | $95K | 33.8Kdirect | Dec 8, 2025 | Dec 8, 2025 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −4,000 | $20.34 | $81K | 19.3Kdirect | Dec 2, 2025 | Dec 2, 2025 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | +2,400 | $0.00 | $0 | 38.6Kdirect | Dec 1, 2025 | Dec 2, 2025 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −2,400 | $21.34 | $51K | 10.0Kdirect | Nov 11, 2025 | Nov 12, 2025 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −2,400 | $36.99 | $89K | 36.2Kdirect | Sep 5, 2025 | Sep 5, 2025 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −4,900 | $36.98 | $181K | 93.1Kdirect | Sep 2, 2025 | Sep 2, 2025 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −2,000 | $36.35 | $73K | 10.0Kdirect | Aug 21, 2025 | Aug 21, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −818.9K | n/c | — | 697.1Kdirect | Aug 8, 2025 | Aug 11, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −1.8M | $32.60 | $60.0M | 1.5Mdirect | Aug 7, 2025 | Aug 8, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −25.0K | $47.05 | $1.2M | 3.4Mdirect | Jun 16, 2025 | Jun 16, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −45.0K | $47.14 | $2.1M | 3.4Mdirect | Jun 16, 2025 | Jun 16, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −10.0K | $47.34 | $473K | 3.4Mdirect | Jun 13, 2025 | Jun 16, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −45.0K | $47.42 | $2.1M | 3.4Mdirect | Jun 13, 2025 | Jun 16, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −10.0K | $47.83 | $478K | 3.5Mdirect | Jun 12, 2025 | Jun 12, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −45.0K | $47.87 | $2.2M | 3.5Mdirect | Jun 12, 2025 | Jun 12, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −10.0K | $48.35 | $484K | 3.5Mdirect | Jun 11, 2025 | Jun 12, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −45.0K | $48.55 | $2.2M | 3.5Mdirect | Jun 11, 2025 | Jun 12, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −15.0K | $48.63 | $729K | 3.6Mdirect | Jun 10, 2025 | Jun 10, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −40.0K | $48.70 | $1.9M | 3.6Mdirect | Jun 10, 2025 | Jun 10, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −15.0K | $48.99 | $735K | 3.6Mdirect | Jun 9, 2025 | Jun 9, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −40.0K | $48.51 | $1.9M | 3.7Mdirect | Jun 9, 2025 | Jun 9, 2025 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −4,900 | $48.04 | $235K | 98.0Kdirect | Jun 9, 2025 | Jun 9, 2025 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −2,400 | $47.95 | $115K | 38.6Kdirect | Jun 6, 2025 | Jun 9, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −30.0K | $47.78 | $1.4M | 3.7Mdirect | Jun 6, 2025 | Jun 9, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −50.0K | $47.78 | $2.4M | 3.7Mdirect | Jun 6, 2025 | Jun 9, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −35.0K | $47.31 | $1.7M | 3.8Mdirect | Jun 5, 2025 | Jun 9, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −40.0K | $47.29 | $1.9M | 3.8Mdirect | Jun 5, 2025 | Jun 9, 2025 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −2,000 | $47.50 | $95K | 55.1Kdirect | Jun 4, 2025 | Jun 6, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −25.0K | $47.76 | $1.2M | 3.9Mdirect | Jun 4, 2025 | Jun 5, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −50.0K | $47.76 | $2.4M | 3.9Mdirect | Jun 4, 2025 | Jun 5, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −15.0K | $46.86 | $703K | 3.9Mdirect | Jun 3, 2025 | Jun 4, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −50.0K | $47.00 | $2.4M | 3.9Mdirect | Jun 3, 2025 | Jun 4, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −15.0K | $46.13 | $692K | 4.0Mdirect | Jun 2, 2025 | Jun 3, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −50.0K | $46.38 | $2.3M | 4.0Mdirect | Jun 2, 2025 | Jun 3, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −25.0K | $45.90 | $1.1M | 4.1Mdirect | May 30, 2025 | Jun 2, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −25.0K | $46.90 | $1.2M | 4.1Mdirect | May 29, 2025 | May 30, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −20.0K | $47.41 | $948K | 4.1Mdirect | May 28, 2025 | May 29, 2025 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −100 | $47.67 | $5K | 102.9Kdirect | May 28, 2025 | May 29, 2025 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −1,100 | $47.57 | $52K | 18.9Kdirect | May 28, 2025 | May 29, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −20.0K | $48.67 | $973K | 4.1Mdirect | May 27, 2025 | May 28, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −25.0K | $46.93 | $1.2M | 4.2Mdirect | May 23, 2025 | May 27, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −25.0K | $46.27 | $1.2M | 4.2Mdirect | May 22, 2025 | May 23, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −40.0K | $46.81 | $1.9M | 4.2Mdirect | May 21, 2025 | May 22, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −15.0K | $49.96 | $749K | 4.2Mdirect | May 20, 2025 | May 21, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −15.0K | $51.00 | $765K | 4.3Mdirect | May 16, 2025 | May 19, 2025 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale Amended | −0 | — | — | 103.0Kdirect | May 16, 2025 | May 19, 2025 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −100 | $50.41 | $5K | 102.9Kdirect | May 16, 2025 | May 16, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −40.0K | $50.38 | $2.0M | 4.3Mdirect | May 15, 2025 | May 16, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −30.0K | $50.64 | $1.5M | 4.3Mdirect | May 14, 2025 | May 15, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −42.6K | $50.45 | $2.2M | 4.3Mdirect | May 13, 2025 | May 14, 2025 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,450 | $50.19 | $73K | 10.0Kdirect | May 13, 2025 | May 13, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −11.4K | $50.10 | $570K | 4.4Mdirect | May 12, 2025 | May 14, 2025 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −956 | $69.37 | $66K | 18.7Kdirect | Mar 12, 2025 | Mar 13, 2025 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −2,400 | $72.57 | $174K | 41.0Kdirect | Mar 7, 2025 | Mar 10, 2025 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −60.0K | $71.77 | $4.3M | 4.4Mdirect | Mar 4, 2025 | Mar 5, 2025 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −2,000 | $71.67 | $143K | 57.1Kdirect | Mar 4, 2025 | Mar 5, 2025 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −4,900 | $72.06 | $353K | 103.0Kdirect | Mar 3, 2025 | Mar 4, 2025 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,425 | $72.96 | $104K | 10.1Kdirect | Mar 3, 2025 | Mar 3, 2025 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −4,800 | $75.61 | $363K | 33.8Kdirect | Dec 12, 2024 | Dec 13, 2024 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −1,920 | $76.60 | $147K | 49.5Kdirect | Dec 9, 2024 | Dec 10, 2024 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −1,920 | $81.42 | $156K | 51.5Kdirect | Dec 2, 2024 | Dec 3, 2024 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −4,800 | $81.58 | $392K | 88.5Kdirect | Dec 2, 2024 | Dec 3, 2024 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | +2,400 | $0.00 | $0 | 38.6Kdirect | Dec 1, 2024 | Dec 4, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −24.4K | $82.69 | $2.0M | 4.2Mdirect | Nov 26, 2024 | Nov 27, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director | Sale | −35.6K | $83.76 | $3.0M | 4.3Mdirect | Nov 25, 2024 | Nov 27, 2024 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −6,220 | $83.69 | $521K | 10.0Kdirect | Nov 21, 2024 | Nov 21, 2024 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −846 | $81.76 | $69K | 18.4Kdirect | Nov 18, 2024 | Nov 19, 2024 | Form 4 ↗ |
| Chang John B.VP & CHIEF LEGAL OFFICER | Sale | −2,280 | $80.41 | $183K | 69.3Kdirect | Nov 12, 2024 | Nov 12, 2024 | Form 4 ↗ |
| Howard Eve NDirector | Sale | −3,500 | $82.02 | $287K | 10.1Kdirect | Nov 11, 2024 | Nov 14, 2024 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,350 | $80.58 | $109K | 10.3Kdirect | Nov 11, 2024 | Nov 12, 2024 | Form 4 ↗ |
| Chang John B.VP & CHIEF LEGAL OFFICER | Sale | −1,400 | $71.67 | $100K | 71.6Kdirect | Sep 12, 2024 | Sep 13, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −65.0K | $71.75 | $4.7M | 4.3Mdirect | Sep 10, 2024 | Sep 11, 2024 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,550 | $71.06 | $110K | 10.2Kdirect | Sep 10, 2024 | Sep 11, 2024 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −1,920 | $69.77 | $134K | 51.0Kdirect | Sep 4, 2024 | Sep 5, 2024 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −2,400 | $69.51 | $167K | 36.2Kdirect | Sep 4, 2024 | Sep 5, 2024 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −2,400 | $69.68 | $167K | 90.9Kdirect | Sep 3, 2024 | Sep 3, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −60.0K | $72.82 | $4.4M | 4.4Mdirect | Aug 27, 2024 | Aug 28, 2024 | Form 4 ↗ |
| Chang John B.VP & CHIEF LEGAL OFFICER | Sale | −2,055 | $74.00 | $152K | 73.0Kdirect | Aug 23, 2024 | Aug 26, 2024 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −1,550 | $72.62 | $113K | 17.7Kdirect | Aug 22, 2024 | Aug 26, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −60.0K | $51.78 | $3.1M | 4.4Mdirect | Jun 14, 2024 | Jun 17, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −60.0K | $54.60 | $3.3M | 4.5Mdirect | Jun 12, 2024 | Jun 13, 2024 | Form 4 ↗ |
| Montagner MarcDirector | Purchase | +10.0K | $52.61 | $526K | 79.5Kdirect | Jun 11, 2024 | Jun 11, 2024 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −2,400 | $52.61 | $126K | 93.3Kdirect | Jun 10, 2024 | Jun 10, 2024 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −2,400 | $56.00 | $134K | 38.6Kdirect | Jun 6, 2024 | Jun 7, 2024 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −1,920 | $58.97 | $113K | 52.9Kdirect | Jun 3, 2024 | Jun 4, 2024 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,640 | $57.79 | $95K | 10.1Kdirect | May 23, 2024 | May 23, 2024 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −2,000 | $58.90 | $118K | 17.6Kdirect | May 21, 2024 | May 22, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −50.0K | $59.44 | $3.0M | 4.6Mdirect | May 13, 2024 | May 14, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −26.2K | $64.21 | $1.7M | 4.7Mdirect | Mar 15, 2024 | Mar 18, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −30.0K | $67.52 | $2.0M | 4.7Mdirect | Mar 13, 2024 | Mar 15, 2024 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale Amended | −2,400 | $68.17 | $164K | 95.7Kdirect | Mar 12, 2024 | Mar 14, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale Amended | −50.0K | $68.12 | $3.4M | 4.7Mdirect | Mar 12, 2024 | Mar 14, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale Amended | −35.0K | $67.93 | $2.4M | 4.8Mdirect | Mar 11, 2024 | Mar 14, 2024 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −8,826 | $72.55 | $640K | 4.8Mdirect | Mar 6, 2024 | Mar 8, 2024 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −2,400 | $73.47 | $176K | 41.0Kdirect | Mar 5, 2024 | Mar 6, 2024 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −1,920 | $76.62 | $147K | 54.8Kdirect | Mar 1, 2024 | Mar 4, 2024 | Form 4 ↗ |
| Chang John B.VP & CHIEF LEGAL OFFICER | Sale | −3,550 | $76.00 | $270K | 38.3Kdirect | Dec 26, 2023 | Dec 28, 2023 | Form 4 ↗ |
| Chang John B.VP & CHIEF LEGAL OFFICER | Sale | −1,000 | $74.00 | $74K | 41.9Kdirect | Dec 21, 2023 | Dec 22, 2023 | Form 4 ↗ |
| Chang John B.VP & CHIEF LEGAL OFFICER | Sale | −500 | $72.00 | $36K | 43.8Kdirect | Dec 14, 2023 | Dec 15, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −20.0K | $69.99 | $1.4M | 4.7Mdirect | Dec 13, 2023 | Dec 14, 2023 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −4,800 | $67.94 | $326K | 28.8Kdirect | Dec 7, 2023 | Dec 8, 2023 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −1,920 | $66.12 | $127K | 37.1Kdirect | Dec 5, 2023 | Dec 6, 2023 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −9,700 | $65.84 | $639K | 48.7Kdirect | Dec 4, 2023 | Dec 4, 2023 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −1,920 | $63.70 | $122K | 39.1Kdirect | Dec 1, 2023 | Dec 4, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −36.6K | $65.18 | $2.4M | 4.8Mdirect | Dec 1, 2023 | Dec 1, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −3,396 | $64.31 | $218K | 4.8Mdirect | Nov 30, 2023 | Dec 1, 2023 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −950 | $64.60 | $61K | 16.9Kdirect | Nov 30, 2023 | Nov 30, 2023 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −925 | $65.77 | $61K | 8,958direct | Nov 27, 2023 | Nov 27, 2023 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −9,000 | $67.14 | $604K | 10.3Kdirect | Nov 20, 2023 | Nov 21, 2023 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −8,621 | $67.17 | $579K | 19.3Kdirect | Nov 17, 2023 | Nov 17, 2023 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −379 | $67.00 | $25K | 27.9Kdirect | Nov 16, 2023 | Nov 17, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −40.0K | $66.37 | $2.7M | 4.8Mdirect | Nov 14, 2023 | Nov 16, 2023 | Form 4 ↗ |
| Montagner MarcDirector | Sale | −10.6K | $65.83 | $695K | 66.7Kdirect | Nov 14, 2023 | Nov 15, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −18.2K | $65.82 | $1.2M | 4.8Mdirect | Sep 15, 2023 | Sep 18, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −16.8K | $66.70 | $1.1M | 4.9Mdirect | Sep 13, 2023 | Sep 14, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −28.2K | $66.97 | $1.9M | 4.9Mdirect | Sep 12, 2023 | Sep 14, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −3,309 | $67.16 | $222K | 4.9Mdirect | Sep 11, 2023 | Sep 12, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −41.7K | $67.72 | $2.8M | 4.9Mdirect | Sep 8, 2023 | Sep 12, 2023 | Form 4 ↗ |
| KILMER HENRY WVP OF NETWORK STRATEGY | Sale | −2,400 | $69.16 | $166K | 31.2Kdirect | Sep 7, 2023 | Sep 8, 2023 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −4,850 | $69.43 | $337K | 53.5Kdirect | Sep 5, 2023 | Sep 5, 2023 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −1,920 | $70.96 | $136K | 38.6Kdirect | Sep 1, 2023 | Sep 5, 2023 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −650 | $69.64 | $45K | 16.4Kdirect | Aug 29, 2023 | Aug 29, 2023 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −550 | $68.85 | $38K | 8,450direct | Aug 24, 2023 | Aug 25, 2023 | Form 4 ↗ |
| Kapp David AllenVP & CHIEF TECHNICAL OFFICER | Sale | −4,000 | $69.07 | $276K | 6,600direct | Aug 11, 2023 | Aug 14, 2023 | Form 4 ↗ |
| Kapp David AllenVP & CHIEF TECHNICAL OFFICER | Sale | −5,000 | $65.32 | $327K | 10.6Kdirect | Aug 10, 2023 | Aug 14, 2023 | Form 4 ↗ |
| BROOKS STEVEN DDirector | Sale | −4,202 | $65.00 | $273K | 33.3Kdirect | Jun 14, 2023 | Jun 16, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −7,061 | $62.44 | $441K | 4.9Mdirect | Jun 8, 2023 | Jun 8, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −42.3K | $62.30 | $2.6M | 5.0Mdirect | Jun 7, 2023 | Jun 8, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −25.6K | $62.25 | $1.6M | 5.0Mdirect | Jun 6, 2023 | Jun 8, 2023 | Form 4 ↗ |
| KILMER HENRY WVP OF IP ENGINEERING | Sale | −2,400 | $62.23 | $149K | 33.6Kdirect | Jun 6, 2023 | Jun 7, 2023 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −4,850 | $62.28 | $302K | 58.4Kdirect | Jun 5, 2023 | Jun 5, 2023 | Form 4 ↗ |
| BUBECK JAMESCHIEF REVENUE OFFICER | Sale | −1,920 | $61.07 | $117K | 40.5Kdirect | Jun 1, 2023 | Jun 2, 2023 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,100 | $63.14 | $69K | 7,565direct | May 30, 2023 | Jun 1, 2023 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −640 | $63.24 | $40K | 15.6Kdirect | May 30, 2023 | May 31, 2023 | Form 4 ↗ |
| BROOKS STEVEN DDirector | Sale | −3,798 | $65.00 | $247K | 37.5Kdirect | May 11, 2023 | May 12, 2023 | Form 4 ↗ |
| SCHAEFFER DAVECHAIRMAN, CEO, AND PRESIDENT · Director · 10% owner | Sale | −35.0K | $65.38 | $2.3M | 5.0Mdirect | May 10, 2023 | May 12, 2023 | Form 4 ↗ |
| WEED THADDEUS GERARDVICE PRESIDENT, CFO | Sale | −10.0K | $64.96 | $650K | 63.3Kdirect | May 9, 2023 | May 10, 2023 | Form 4 ↗ |
| Chang John B.VP & CHIEF LEGAL OFFICER | Sale | −2,500 | $74.00 | $185K | 42.4Kdirect | May 3, 2023 | May 4, 2023 | Form 4 ↗ |
| Chang John B.VP & CHIEF LEGAL OFFICER | Sale | −2,500 | $72.00 | $180K | 44.9Kdirect | May 3, 2023 | May 4, 2023 | Form 4 ↗ |
| Chang John B.VP & CHIEF LEGAL OFFICER | Sale | −500 | $70.00 | $35K | 47.4Kdirect | Apr 17, 2023 | Apr 18, 2023 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −600 | $61.66 | $37K | 7,209direct | Mar 13, 2023 | Mar 13, 2023 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −990 | $61.50 | $61K | 14.8Kdirect | Mar 13, 2023 | Mar 13, 2023 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $63.51 | $152K | 36.0Kdirect | Mar 7, 2023 | Mar 8, 2023 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO, Treasurer | Sale | −4,850 | $64.30 | $312K | 73.3Kdirect | Mar 3, 2023 | Mar 6, 2023 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $64.49 | $124K | 42.4Kdirect | Mar 1, 2023 | Mar 3, 2023 | Form 4 ↗ |
| Chang John B.Chief Legal Officer | Sale | −2,000 | $70.00 | $140K | 47.9Kdirect | Feb 1, 2023 | Feb 2, 2023 | Form 4 ↗ |
| Chang John B.Chief Legal Officer | Sale | −500 | $68.00 | $34K | 49.9Kdirect | Jan 26, 2023 | Jan 27, 2023 | Form 4 ↗ |
| Chang John B.Chief Legal Officer | Sale | −1,000 | $66.00 | $66K | 50.4Kdirect | Jan 17, 2023 | Jan 18, 2023 | Form 4 ↗ |
| Chang John B.Chief Legal Officer | Sale | −1,500 | $64.00 | $96K | 51.4Kdirect | Jan 12, 2023 | Jan 13, 2023 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −4,800 | $57.36 | $275K | 28.8Kdirect | Dec 6, 2022 | Dec 8, 2022 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $57.45 | $110K | 34.7Kdirect | Dec 5, 2022 | Dec 9, 2022 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO Treasurer | Sale | −9,700 | $56.51 | $548K | 48.7Kdirect | Dec 2, 2022 | Dec 2, 2022 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $58.15 | $112K | 36.7Kdirect | Dec 1, 2022 | Dec 2, 2022 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −1,050 | $57.50 | $60K | 14.0Kdirect | Nov 29, 2022 | Nov 29, 2022 | Form 4 ↗ |
| Kapp David AllenVP & Chief Technical Officer | Sale | −600 | $58.50 | $35K | 6,000direct | Nov 22, 2022 | Nov 28, 2022 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −962 | $57.83 | $56K | 6,100direct | Nov 21, 2022 | Nov 21, 2022 | Form 4 ↗ |
| KUMMER RAYMOND BCTO; VP Optical Transport | Sale | −4,800 | $58.01 | $278K | 50.4Kdirect | Nov 16, 2022 | Nov 17, 2022 | Form 4 ↗ |
| Montagner MarcDirector | Purchase | +5,000 | $54.90 | $275K | 71.2Kdirect | Nov 9, 2022 | Nov 15, 2022 | Form 4 ↗ |
| Montagner MarcDirector | Purchase | +5,000 | $54.85 | $274K | 66.2Kdirect | Nov 9, 2022 | Nov 15, 2022 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −940 | $55.13 | $52K | 13.5Kdirect | Sep 12, 2022 | Sep 13, 2022 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO Treasurer | Sale | −4,850 | $52.35 | $254K | 53.5Kdirect | Sep 9, 2022 | Sep 12, 2022 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $53.85 | $129K | 31.2Kdirect | Sep 7, 2022 | Sep 8, 2022 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $53.51 | $103K | 36.2Kdirect | Sep 1, 2022 | Sep 6, 2022 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $59.20 | $142K | 33.6Kdirect | Jun 7, 2022 | Jun 7, 2022 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO Treasurer | Sale | −4,850 | $60.49 | $293K | 58.4Kdirect | Jun 2, 2022 | Jun 3, 2022 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,350 | $60.88 | $82K | 3,912direct | Jun 2, 2022 | Jun 2, 2022 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $60.03 | $115K | 38.1Kdirect | Jun 1, 2022 | Jun 2, 2022 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −950 | $60.72 | $58K | 12.9Kdirect | May 31, 2022 | May 31, 2022 | Form 4 ↗ |
| Chang John B.Director | Sale | −250 | $72.00 | $18K | 40.9Kdirect | Apr 6, 2022 | Apr 7, 2022 | Form 4 ↗ |
| Chang John B.Director | Sale | −250 | $70.00 | $18K | 41.1Kdirect | Apr 5, 2022 | Apr 7, 2022 | Form 4 ↗ |
| Chang John B.Director | Sale | −150 | $68.00 | $10K | 41.4Kdirect | Apr 1, 2022 | Apr 4, 2022 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −150 | $66.00 | $10K | 41.5Kdirect | Mar 31, 2022 | Apr 1, 2022 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −600 | $62.96 | $38K | 41.7Kdirect | Mar 17, 2022 | Mar 18, 2022 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −725 | $63.27 | $46K | 12.4Kdirect | Mar 9, 2022 | Mar 9, 2022 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $62.72 | $151K | 36.0Kdirect | Mar 8, 2022 | Mar 9, 2022 | Form 4 ↗ |
| Wallace Sean RobertVP, CFO & Treasurer | Sale | −250 | $63.30 | $16K | 29.2Kdirect | Mar 2, 2022 | Mar 3, 2022 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $62.94 | $121K | 40.0Kdirect | Mar 1, 2022 | Mar 2, 2022 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,100 | $62.27 | $68K | 3,800direct | Mar 1, 2022 | Mar 1, 2022 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $76.77 | $147K | 32.3Kdirect | Dec 14, 2021 | Dec 15, 2021 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $77.26 | $185K | 28.8Kdirect | Dec 13, 2021 | Dec 13, 2021 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −900 | $77.31 | $70K | 13.1Kdirect | Dec 8, 2021 | Dec 8, 2021 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $77.90 | $187K | 31.2Kdirect | Dec 7, 2021 | Dec 7, 2021 | Form 4 ↗ |
| Wallace Sean RobertVP, CFO & Treasurer | Sale | −225 | $75.18 | $17K | 19.9Kdirect | Dec 2, 2021 | Dec 3, 2021 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $74.92 | $144K | 34.3Kdirect | Dec 1, 2021 | Dec 3, 2021 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,600 | $77.37 | $124K | 4,900direct | Nov 23, 2021 | Nov 26, 2021 | Form 4 ↗ |
| Wallace Sean RobertVP, CFO & Treasurer | Sale | −200 | $80.01 | $16K | 20.1Kdirect | Nov 16, 2021 | Nov 18, 2021 | Form 4 ↗ |
| Wallace Sean RobertVP, CFO & Treasurer | Sale | −300 | $75.37 | $23K | 20.3Kdirect | Sep 7, 2021 | Sep 8, 2021 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $74.13 | $178K | 31.2Kdirect | Sep 7, 2021 | Sep 7, 2021 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $73.64 | $141K | 33.8Kdirect | Sep 1, 2021 | Sep 2, 2021 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −850 | $73.78 | $63K | 12.3Kdirect | Sep 1, 2021 | Sep 1, 2021 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,750 | $71.99 | $126K | 4,750direct | Aug 24, 2021 | Aug 24, 2021 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −8,750 | $77.69 | $680K | 15.9Kdirect | Aug 9, 2021 | Aug 10, 2021 | Form 4 ↗ |
| KUMMER RAYMOND BCTO; VP Optical Transport | Sale | −382 | $78.20 | $30K | 43.2Kdirect | Aug 3, 2021 | Aug 3, 2021 | Form 4 ↗ |
| KUMMER RAYMOND BCTO; VP Optical Transport | Sale | −3,572 | $78.23 | $279K | 43.6Kdirect | Aug 2, 2021 | Aug 3, 2021 | Form 4 ↗ |
| KUMMER RAYMOND BCTO & VP Optical Transport | Sale | −846 | $78.24 | $66K | 47.2Kdirect | Jul 16, 2021 | Jul 19, 2021 | Form 4 ↗ |
| KUMMER RAYMOND BCTO & VP Optical Transport | Sale | −4,800 | $76.14 | $365K | 48.0Kdirect | Jul 2, 2021 | Jul 2, 2021 | Form 4 ↗ |
| Wallace Sean RobertVP, CFO & Treasurer | Sale | −1,000 | $76.60 | $77K | 20.6Kdirect | Jun 11, 2021 | Jun 14, 2021 | Form 4 ↗ |
| KUMMER RAYMOND BCTO & VP Optical Transport | Sale | −2,400 | $77.01 | $185K | 52.8Kdirect | Jun 7, 2021 | Jun 7, 2021 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $76.09 | $183K | 33.6Kdirect | Jun 7, 2021 | Jun 7, 2021 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −250 | $75.60 | $19K | 11.3Kdirect | Jun 3, 2021 | Jun 3, 2021 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −500 | $75.53 | $38K | 11.6Kdirect | Jun 3, 2021 | Jun 3, 2021 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Construction | Sale | −2,400 | $75.18 | $180K | 33.6Kdirect | Jun 2, 2021 | Jun 3, 2021 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $74.96 | $144K | 35.7Kdirect | Jun 1, 2021 | Jun 2, 2021 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −5,000 | $74.66 | $373K | 37.6Kdirect | May 19, 2021 | May 19, 2021 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −2,450 | $76.43 | $187K | 4,750direct | May 17, 2021 | May 17, 2021 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −558 | $80.00 | $45K | 32.7Kdirect | May 10, 2021 | May 11, 2021 | Form 4 ↗ |
| BROOKS STEVEN DDirector | Sale | −5,750 | $76.08 | $437K | 30.0Kdirect | May 3, 2021 | May 4, 2021 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −558 | $75.00 | $42K | 33.2Kdirect | Apr 30, 2021 | May 3, 2021 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −558 | $70.00 | $39K | 33.8Kdirect | Apr 5, 2021 | Apr 6, 2021 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −558 | $65.00 | $36K | 34.3Kdirect | Mar 15, 2021 | Mar 16, 2021 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Construction | Sale | −4,000 | $63.30 | $253K | 36.0Kdirect | Mar 12, 2021 | Mar 15, 2021 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −850 | $62.69 | $53K | 10.3Kdirect | Mar 12, 2021 | Mar 12, 2021 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $60.43 | $116K | 42.6Kdirect | Mar 10, 2021 | Mar 11, 2021 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $57.64 | $138K | 36.0Kdirect | Mar 5, 2021 | Mar 5, 2021 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Construction | Sale | −1,200 | $57.78 | $69K | 40.0Kdirect | Mar 5, 2021 | Mar 5, 2021 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,050 | $59.34 | $62K | 5,450direct | Mar 2, 2021 | Mar 2, 2021 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −558 | $60.00 | $33K | 25.3Kdirect | Jan 4, 2021 | Jan 5, 2021 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −950 | $57.01 | $54K | 9,450direct | Dec 9, 2020 | Dec 10, 2020 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $57.93 | $139K | 28.8Kdirect | Dec 7, 2020 | Dec 8, 2020 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Construction | Sale | −2,000 | $57.76 | $116K | 31.6Kdirect | Dec 7, 2020 | Dec 7, 2020 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $58.01 | $139K | 31.2Kdirect | Dec 3, 2020 | Dec 4, 2020 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −3,840 | $57.94 | $222K | 34.9Kdirect | Dec 1, 2020 | Dec 2, 2020 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,200 | $58.55 | $70K | 4,750direct | Nov 9, 2020 | Nov 10, 2020 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −400 | $66.35 | $27K | 31.2Kdirect | Sep 15, 2020 | Sep 15, 2020 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −910 | $66.05 | $60K | 8,650direct | Sep 8, 2020 | Sep 8, 2020 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $65.54 | $157K | 31.2Kdirect | Sep 8, 2020 | Sep 8, 2020 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −2,000 | $65.57 | $131K | 31.6Kdirect | Sep 8, 2020 | Sep 8, 2020 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,050 | $65.97 | $69K | 4,200direct | Sep 8, 2020 | Sep 8, 2020 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $67.47 | $130K | 36.4Kdirect | Sep 1, 2020 | Sep 2, 2020 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −150 | $67.53 | $10K | 25.9Kdirect | Sep 1, 2020 | Sep 1, 2020 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −500 | $90.00 | $45K | 26.0Kdirect | Jul 31, 2020 | Jul 31, 2020 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −500 | $85.00 | $43K | 26.5Kdirect | Jul 21, 2020 | Jul 22, 2020 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −400 | $80.49 | $32K | 33.6Kdirect | Jun 16, 2020 | Jun 17, 2020 | Form 4 ↗ |
| Kennedy Sheryl LynnDirector | Sale | −1,750 | $75.54 | $132K | 3,500direct | Jun 11, 2020 | Jun 16, 2020 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −1,000 | $76.52 | $77K | 7,810direct | Jun 9, 2020 | Jun 9, 2020 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −2,000 | $76.81 | $154K | 34.0Kdirect | Jun 5, 2020 | Jun 8, 2020 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $76.65 | $184K | 33.6Kdirect | Jun 5, 2020 | Jun 8, 2020 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $78.28 | $150K | 38.3Kdirect | Jun 1, 2020 | Jun 1, 2020 | Form 4 ↗ |
| Montagner MarcDirector | Sale | −3,000 | $77.06 | $231K | 47.5Kdirect | May 26, 2020 | May 26, 2020 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −300 | $82.85 | $25K | 7,060direct | Mar 11, 2020 | Mar 12, 2020 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −1,352 | $82.68 | $112K | 36.0Kdirect | Mar 10, 2020 | Mar 10, 2020 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −2,000 | $84.64 | $169K | 37.4Kdirect | Mar 6, 2020 | Mar 9, 2020 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $84.72 | $203K | 36.0Kdirect | Mar 6, 2020 | Mar 6, 2020 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −5,500 | $86.45 | $475K | 14.2Kdirect | Mar 5, 2020 | Mar 6, 2020 | Form 4 ↗ |
| KUMMER RAYMOND BCTO; VP Optical Transport | Sale | −4,800 | $81.22 | $390K | 43.2Kdirect | Mar 3, 2020 | Mar 4, 2020 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −600 | $81.39 | $49K | 27.0Kdirect | Mar 3, 2020 | Mar 4, 2020 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO & Treasurer | Sale | −4,850 | $81.37 | $395K | 72.8Kdirect | Mar 3, 2020 | Mar 4, 2020 | Form 4 ↗ |
| Montagner MarcDirector | Sale | −1,350 | $79.40 | $107K | 49.4Kdirect | Mar 3, 2020 | Mar 3, 2020 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −300 | $76.66 | $23K | 27.6Kdirect | Mar 2, 2020 | Mar 3, 2020 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $77.44 | $149K | 40.2Kdirect | Mar 2, 2020 | Mar 3, 2020 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $68.61 | $165K | 28.8Kdirect | Jan 8, 2020 | Jan 9, 2020 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −2,000 | $67.42 | $135K | 29.8Kdirect | Jan 7, 2020 | Jan 7, 2020 | Form 4 ↗ |
| Chang John B.VP & Chief Legal Officer | Sale | −534 | $65.46 | $35K | 18.3Kdirect | Jan 2, 2020 | Jan 3, 2020 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $66.08 | $127K | 32.5Kdirect | Dec 31, 2019 | Jan 2, 2020 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO & Treasurer | Sale | −4,250 | $66.07 | $281K | 58.3Kdirect | Dec 31, 2019 | Jan 2, 2020 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −570 | $61.53 | $35K | 5,610direct | Dec 12, 2019 | Dec 13, 2019 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −2,000 | $61.97 | $124K | 31.8Kdirect | Dec 6, 2019 | Dec 6, 2019 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $62.44 | $150K | 31.2Kdirect | Dec 6, 2019 | Dec 6, 2019 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −200 | $62.45 | $12K | 17.9Kdirect | Dec 5, 2019 | Dec 6, 2019 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −200 | $62.45 | $12K | 17.9Kdirect | Dec 5, 2019 | Dec 5, 2019 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −3,800 | $62.31 | $237K | 18.1Kdirect | Dec 4, 2019 | Dec 6, 2019 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −3,800 | $62.31 | $237K | 18.1Kdirect | Dec 4, 2019 | Dec 5, 2019 | Form 4 ↗ |
| KUMMER RAYMOND BCTO; VP Optical Transport | Sale | −3,000 | $61.92 | $186K | 38.4Kdirect | Dec 4, 2019 | Dec 4, 2019 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO & Treasurer | Sale | −5,000 | $61.74 | $309K | 62.5Kdirect | Dec 3, 2019 | Dec 4, 2019 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $61.76 | $119K | 34.5Kdirect | Dec 2, 2019 | Dec 2, 2019 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −1,000 | $62.60 | $63K | 33.8Kdirect | Dec 2, 2019 | Dec 2, 2019 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −2,500 | $63.29 | $158K | 34.8Kdirect | Nov 11, 2019 | Nov 12, 2019 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −250 | $54.80 | $14K | 36.4Kdirect | Oct 1, 2019 | Oct 2, 2019 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −675 | $58.28 | $39K | 4,430direct | Sep 10, 2019 | Sep 11, 2019 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO & Treasurer | Sale | −5,000 | $60.00 | $300K | 67.5Kdirect | Sep 5, 2019 | Sep 5, 2019 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $59.90 | $144K | 33.6Kdirect | Sep 5, 2019 | Sep 5, 2019 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $59.77 | $115K | 36.6Kdirect | Sep 3, 2019 | Sep 4, 2019 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −1,000 | $60.98 | $61K | 37.3Kdirect | Aug 30, 2019 | Sep 3, 2019 | Form 4 ↗ |
| LIEBHABER RICHARDDirector | Sale | −5,000 | $59.90 | $300K | 66.1Kindirect | Aug 21, 2019 | Aug 22, 2019 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −250 | $59.28 | $15K | 38.6Kdirect | Jul 1, 2019 | Jul 2, 2019 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO & Treasurer | Sale | −1,400 | $60.84 | $85K | 72.5Kdirect | Jun 13, 2019 | Jun 13, 2019 | Form 4 ↗ |
| KUMMER RAYMOND BCTO; VP Optical Transport | Sale | −2,400 | $61.24 | $147K | 41.4Kdirect | Jun 10, 2019 | Jun 10, 2019 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −4,000 | $58.62 | $234K | 38.3Kdirect | Jun 6, 2019 | Jun 6, 2019 | Form 4 ↗ |
| KILMER HENRY WVP of IP Engineering | Sale | −2,400 | $58.64 | $141K | 36.0Kdirect | Jun 6, 2019 | Jun 6, 2019 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO & Treasurer | Sale | −5,000 | $58.50 | $293K | 74.0Kdirect | Jun 5, 2019 | Jun 6, 2019 | Form 4 ↗ |
| KUMMER RAYMOND BCTO; VP Optical Transport | Sale | −3,000 | $57.05 | $171K | 43.8Kdirect | Jun 4, 2019 | Jun 4, 2019 | Form 4 ↗ |
| BUBECK JAMESChief Revenue Officer | Sale | −1,920 | $57.41 | $110K | 38.8Kdirect | Jun 3, 2019 | Jun 4, 2019 | Form 4 ↗ |
| ONEILL TIMOTHY GVP Field Engineering | Sale | −1,000 | $57.52 | $58K | 42.3Kdirect | May 31, 2019 | Jun 3, 2019 | Form 4 ↗ |
| FERGUSON Lewis HDirector | Sale | −515 | $57.45 | $30K | 3,355direct | May 23, 2019 | May 24, 2019 | Form 4 ↗ |
| KUMMER RAYMOND BCTO; VP Optical Transport | Sale | −2,440 | $58.40 | $142K | 46.8Kdirect | May 22, 2019 | May 22, 2019 | Form 4 ↗ |
| Bath BlakeDirector | Sale | −10.0K | $57.88 | $579K | 18.4Kdirect | May 9, 2019 | May 9, 2019 | Form 4 ↗ |
| WEED THADDEUS GERARDVP, CFO & Treasurer | Sale | −1,500 | $57.11 | $86K | 79.0Kdirect | May 6, 2019 | May 7, 2019 | Form 4 ↗ |
| KUMMER RAYMOND BCTO; VP Optical Transport | Sale | −2,600 | $56.12 | $146K | 40.6Kdirect | Apr 5, 2019 | Apr 5, 2019 | Form 4 ↗ |
| KUMMER RAYMOND BCTO; VP Optical Transport | Sale | −400 | $56.00 | $22K | 43.2Kdirect | Apr 4, 2019 | Apr 5, 2019 | Form 4 ↗ |
Source: SEC EDGAR Form 4 and Form 5 filings, SEC's quarterly bulk dataset through Jun 30, 2026, and KeyVex's half-hourly read of new filings since. Every row links its filing. Amendments are marked. Nothing here is a recommendation. All insider activity, market-wide →