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

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

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 → $973K
20,000 sh × $48.67
Exec May 27 2025
Filed May 28 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $1.2M
25,000 sh × $46.93
Exec May 23 2025
Filed May 27 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $1.2M
25,000 sh × $46.27
Exec May 22 2025
Filed May 23 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $1.9M
40,000 sh × $46.81
Exec May 21 2025
Filed May 22 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $749K
15,000 sh × $49.96
Exec May 20 2025
Filed May 21 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $765K
15,000 sh × $51.00
Exec May 16 2025
Filed May 19 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $2.0M
40,000 sh × $50.38
Exec May 15 2025
Filed May 16 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. View filing → $1.5M
30,000 sh × $50.64
Exec May 14 2025
Filed May 15 2025 · 5:30 PM ET More filings →