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Dave Schaeffer

CHAIRMAN, CEO, AND PRESIDENT

Dave Schaeffer (CHAIRMAN, CEO, AND PRESIDENT) filed 27 Form 4 reports in the past 24 months (0 purchases, 27 sales), most often in CCOI. The largest single filing was $60.0M of CCOI (1,840,669 sh × $32.60, as filed), executed Aug 7 2025.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
27
0 buys · 27 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$141.6M
shares × price, as filed
Last traded
Aug 8 2025
Filed Aug 11 2025
Open performance→
Volume by month
$82.5M$41.3M$0Oct 2024Apr 2025Oct 2025Apr 2026Nov 2024 · sells $5.0MMar 2025 · sells $4.3MMay 2025 · sells $15.1MJun 2025 · sells $34.7MAug 2025 · sells $82.5M
Buys $0 Sells $141.6M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Not on file 27 filings

Sector per market data · by filing · past 24 months

Most traded names
CCOI CCOI CCOI · 0 buys · 27 sells 27 filings
Recent filings
CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $3.8M
80,000 sh across 2 lots
Exec Jun 6 2025
Filed Jun 9 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $3.5M
75,000 sh across 2 lots
Exec Jun 5 2025
Filed Jun 9 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $3.6M
75,000 sh across 2 lots
Exec Jun 4 2025
Filed Jun 5 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $3.1M
65,000 sh across 2 lots
Exec Jun 3 2025
Filed Jun 4 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $3.0M
65,000 sh across 2 lots
Exec Jun 2 2025
Filed Jun 3 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $1.1M
25,000 sh × $45.90
Exec May 30 2025
Filed Jun 2 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $1.2M
25,000 sh × $46.90
Exec May 29 2025
Filed May 30 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $948K
20,000 sh × $47.41
Exec May 28 2025
Filed May 29 2025 · 5:30 PM ET More filings →