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sellWeak cluster of 810b5-1 plan

John Graham-Cumming sold $502k of NET

director at Cloudflare, Inc.. 2,520 shares at an average of $199.37, traded Dec 15, 2025, filed Dec 16, 2025.

Warning score
13
Value
$502k
2,520 shares
Holdings after
495,191
-1% from before
From 52-week low
+103%
low $97.08, close $196.70
From 52-week high
-22%
high $253.30, as of Dec 15, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $502k at market
    +18
  • Share of holdings sold
    Sold 0.5% of holdings
    0
  • Cluster
    8 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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 -6.8%, 3m +7.1%, 6m +16.9%.

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.

NETOct 13, 2026 · close 347.70
Since filing Dec 16, 2025: +76.0%SPY +15.8% · excess +60.2%

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 0002062725-25-000010, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 15, 2025MOption exercise
Class A Common Stock10b5-1
+2,520$44.72$113k497,711Dec 16, 2025
Dec 15, 2025SOpen-market sale
Class A Common Stock10b5-1
-552$196.85$109k497,159Dec 16, 2025
Dec 15, 2025SOpen-market sale
Class A Common Stock10b5-1
-166$198.19$33k496,993Dec 16, 2025
Dec 15, 2025SOpen-market sale
Class A Common Stock10b5-1
-569$199.03$113k496,424Dec 16, 2025
Dec 15, 2025SOpen-market sale
Class A Common Stock10b5-1
-542$200.11$108k495,882Dec 16, 2025
Dec 15, 2025SOpen-market sale
Class A Common Stock10b5-1
-494$201.09$99k495,388Dec 16, 2025
Dec 15, 2025SOpen-market sale
Class A Common Stock10b5-1
-163$202.03$33k495,225Dec 16, 2025
Dec 15, 2025SOpen-market sale
Class A Common Stock10b5-1
-34$202.65$6,890495,191Dec 16, 2025
Dec 15, 2025MOption exercise
Stock Option (right to buy)derivative10b5-1
-2,520$0.00$020,160Dec 16, 2025

Related signals

Other insiders at Cloudflare, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
38Weak
NETsell 210b5-1
Cloudflare, Inc.
Michelle Zatlyn
President and Board Co-Chair
$35M
99,009 shares
-96%
35Weak
NETsell 310b5-1
Cloudflare, Inc.
Carl Ledbetter
director
$1.8M
5,000 shares
-1%
27Weak
NETsell 310b5-1
Cloudflare, Inc.
Thomas J Seifert
Chief Financial Officer
$3.3M
10,000 shares
-8%
35Weak
NETsell 310b5-1
Cloudflare, Inc.
Carl Ledbetter
director
$1.6M
5,000 shares
-1%
45Moderate
NETsell 310b5-1
Cloudflare, Inc.
Michelle Zatlyn
PRESIDENT & BOARD CO-CHAIR
$28M
99,009 shares
-96%
45Moderate
NETsell 710b5-1
Cloudflare, Inc.
Michelle Zatlyn
President and Board Co-Chair
$28M
99,009 shares
-96%
27Weak
NETsell 810b5-1
Cloudflare, Inc.
Thomas J Seifert
Chief Financial Officer
$3.1M
10,000 shares
-8%
25Weak
NETsell 810b5-1
Cloudflare, Inc.
Janel Riley
Chief Accounting Officer
$1.6M
5,148 shares
-11%
20Weak
NETsell 810b5-1
Cloudflare, Inc.
Alissa Michelle Starzak
Chief Legal Officer
$1.8M
5,871 shares
-5%
17Weak
NETsell 810b5-1
Cloudflare, Inc.
John Graham-Cumming
director
$766k
2,520 shares
-1%

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.

John Graham-Cumming sold $502k of NET | InsiderTell