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sellWeak cluster of 5

Lewis H FERGUSON sold $52k of CCOI

director at COGENT COMMUNICATIONS HOLDINGS, INC.. 1,100 shares at an average of $47.57, traded May 28, 2025, filed May 29, 2025.

Warning score
37
Value
$52k
1,100 shares
Holdings after
18,904
-5% from before
From 52-week low
+4%
low $43.59, close $45.25
From 52-week high
-42%
high $78.68, as of May 28, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $52k at market
    +7
  • Share of holdings sold
    Sold 5.5% of holdings
    0
  • Cluster
    5 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +1.5%, 3m -18.8%, 6m -58.8%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

CCOIOct 9, 2026 · close 8.54
Since filing May 29, 2025: -81.4%SPY +34.1% · excess -115.6%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001415889-25-014843, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 28, 2025SOpen-market sale
common stock
-1,100$47.57$52k18,904May 29, 2025

Related signals

Other insiders at COGENT COMMUNICATIONS HOLDINGS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
23Weak
CCOIsell 2
COGENT COMMUNICATIONS HOLDINGS, INC.
Henry W Kilmer
VP OF NETWORK STRATEGY
$22k
2,400 shares
-6%
36Weak
CCOIsell 2
COGENT COMMUNICATIONS HOLDINGS, INC.
Thaddeus Gerard Weed
VICE PRESIDENT, CFO
$45k
4,850 shares
-2%
39Weak
CCOIsell 2
COGENT COMMUNICATIONS HOLDINGS, INC.
Thaddeus Gerard Weed
VICE PRESIDENT, CFO
$81k
4,850 shares
-2%
29Weak
CCOIsell 2
COGENT COMMUNICATIONS HOLDINGS, INC.
Henry W Kilmer
VP OF NETWORK STRATEGY
$41k
2,400 shares
-6%
35Weak
CCOIsell 2
COGENT COMMUNICATIONS HOLDINGS, INC.
Lewis H FERGUSON
director
$57k
2,800 shares
-12%
35Weak
CCOIsell 2
COGENT COMMUNICATIONS HOLDINGS, INC.
Sheryl Lynn Kennedy
director
$54k
3,300 shares
-24%
37Weak
CCOIsell 4
COGENT COMMUNICATIONS HOLDINGS, INC.
Henry W Kilmer
VP OF NETWORK STRATEGY
$56k
2,400 shares
-6%
47Moderate
CCOIsell 4
COGENT COMMUNICATIONS HOLDINGS, INC.
Thaddeus Gerard Weed
VICE PRESIDENT, CFO
$110k
4,850 shares
-2%
37Weak
CCOIsell 4
COGENT COMMUNICATIONS HOLDINGS, INC.
Lewis H FERGUSON
director
$51k
2,206 shares
-10%
43Moderate
CCOIsell 4
COGENT COMMUNICATIONS HOLDINGS, INC.
Sheryl Lynn Kennedy
director
$76k
3,300 shares
-25%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.