Skip to content

Insider · CIK 0001395643

Lewis H FERGUSON

director

Files at CCOI (COGENT COMMUNICATIONS HOLDINGS, INC.). First filing Nov 19, 2024, latest May 28, 2026.

Lewis H FERGUSON files SEC Form 4 as director at CCOI (COGENT COMMUNICATIONS HOLDINGS, INC.). Since Nov 19, 2024, Lewis H FERGUSON has reported 0 open-market buys worth $0 and 6 open-market sells worth $377k, the latest filed on May 28, 2026.

A track record needs three past buys with six months of prices behind them; Lewis H FERGUSON has 0, so none is measured yet.

The newest scored trade: sold $57k of CCOI on May 28, 2026, filed May 28, 2026, scored 35 (weak). In the last 12 months: 0 buys worth $0 and 3 sells worth $189k.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 6
$0 bought, $377k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

CCOI: COGENT COMMUNICATIONS HOLDINGS, INC.

CCOIOct 9, 2026 · close 8.54

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
35Weak
CCOIsell 2
COGENT COMMUNICATIONS HOLDINGS, INC.
$57k
2,800 shares
-12%+26% from low-61% from high
37Weak
CCOIsell 4
COGENT COMMUNICATIONS HOLDINGS, INC.
$51k
2,206 shares
-10%+37% from low-66% from high
44Moderate
CCOIsell 3
COGENT COMMUNICATIONS HOLDINGS, INC.
$81k
4,000 shares
-17%+20% from low-74% from high
37Weak
CCOIsell 5
COGENT COMMUNICATIONS HOLDINGS, INC.
$52k
1,100 shares
-5%+4% from low-42% from high
38Weak
CCOIsell 6
COGENT COMMUNICATIONS HOLDINGS, INC.
$66k
956 shares
-5%-
38Weak
CCOIsell 8
COGENT COMMUNICATIONS HOLDINGS, INC.
$69k
846 shares
-4%-

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Dec 1, 2025 CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
4,000
0.01% of outstanding
$78kDec 1, 2025none
May 28, 2025 CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
1,100
0.00% of outstanding
$52kMay 27, 2025none
Mar 11, 2025 CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
956
0.00% of outstanding
$67kMar 11, 2025none
Nov 18, 2024 CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
846
0.00% of outstanding
$67kNov 18, 2024$113k

Transactions

Every row this insider has filed, 14 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 30, 2026CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AGrant or award
common stock
+3,445$0.00$027,98413 d ago
Jun 30, 2026CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AGrant or award
common stock
+3,445$0.00$024,539Jun 30, 2026
May 28, 2026CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
SOpen-market sale
common stock
-2,800$20.36$57k21,094May 28, 2026
Mar 31, 2026CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AGrant or award
common stock
+3,445$0.00$023,894Mar 31, 2026
Mar 5, 2026CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
SOpen-market sale
common stock
-2,206$23.03$51k20,449Mar 5, 2026
Dec 31, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AGrant or award
common stock
+3,388$0.00$022,655Jan 5, 2026
Dec 2, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
SOpen-market sale
common stock
-4,000$20.34$81k19,267Dec 2, 2025
Sep 30, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AGrant or award
common stock
+2,395$0.00$023,267Oct 2, 2025
Jun 30, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AGrant or award
common stock
+1,968$0.00$020,872Jul 1, 2025
May 28, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
SOpen-market sale
common stock
-1,100$47.57$52k18,904May 29, 2025
Mar 31, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AGrant or award
common stock
+1,352$0.00$020,004Mar 31, 2025
Mar 12, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
SOpen-market sale
common stock
-956$69.37$66k18,652Mar 13, 2025
Jan 1, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AGrant or award
common stock
+1,254$0.00$019,608Jan 3, 2025
Nov 18, 2024CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
SOpen-market sale
common stock
-846$81.76$69k18,354Nov 19, 2024

Questions about Lewis H FERGUSON

Answered from the filings on this page, as of the latest one.

Is Lewis H FERGUSON buying or selling?

In the last 12 months Lewis H FERGUSON reported 0 open-market buys worth $0 and 3 open-market sells worth $189k on SEC Form 4; the latest was sold $57k of CCOI on May 28, 2026. Grants, option exercises and tax withholding are not counted.

How did Lewis H FERGUSON's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Lewis H FERGUSON has 0.

Where does Lewis H FERGUSON file Form 4?

Lewis H FERGUSON has filed Form 4 at CCOI (COGENT COMMUNICATIONS HOLDINGS, INC.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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.

Lewis H FERGUSON: insider trades and track record | InsiderTell