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sellNotable cluster of 2

Jason Armstrong sold $1.8M of CMCSA

CFO at COMCAST CORP. 41,663 shares at an average of $42.63, traded Nov 20, 2023, filed Nov 22, 2023.

Warning score
60
Value
$1.8M
41,663 shares
Holdings after
14,458
-54% from before
From 52-week low
+30%
low $27.47, close $35.73
From 52-week high
-8%
high $38.96, as of Nov 20, 2023

Score components

  • Role
    CFO
    +22
  • Trade size
    $1.8M at market
    +25
  • Share of holdings sold
    Sold 54% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 +3.6%, 3m -0.8%, 6m -7.2%.

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.

CMCSAOct 9, 2026 · close 20.66
Since filing Nov 22, 2023: -41.6%SPY +77.3% · excess -118.9%

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 0001225208-23-010392, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 20, 2023MOption exercise
Class A Common Stock
+27,200$25.00$680k76,850Nov 22, 2023
Nov 20, 2023SOpen-market sale
Class A Common Stock
-6,471$42.60$276k70,379Nov 22, 2023
Nov 20, 2023FTax withholding
Class A Common Stock
-20,729$42.61$883k49,650Nov 22, 2023
Nov 20, 2023SOpen-market sale
Class A Common Stock
-35,192$42.63$1.5M14,458Nov 22, 2023
Nov 20, 2023MOption exercise
Option to Purchasederivative
-27,200$0.00$0117,200Nov 22, 2023

Related signals

Other insiders at COMCAST CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
18Weak
CMCSAsell
COMCAST CORP
Jason Armstrong
CFO
$143k
4,494 shares
-3%
43Moderate
CMCSAsell 2
COMCAST CORP
Michael J Cavanagh
Co-CEO
$1.9M
57,947 shares
-9%
41Moderate
CMCSAsell 2
COMCAST CORP
Asuka Nakahara
director
$246k
8,275 shares
-12%
50Moderate
CMCSAsell 3
COMCAST CORP
Michael J Cavanagh
President
$5.7M
133,159 shares
-24%
65Notable
CMCSAsell 3
COMCAST CORP
Brian L Roberts
Chairman of Board & CEO
$20M
469,515 shares
-7%
60Notable
CMCSAsell 3
COMCAST CORP
Kenneth J Bacon
director
$625k
14,408 shares
-31%
37Weak
CMCSAsell
COMCAST CORP
Jason Armstrong
CFO
$1.0M
23,248 shares
-22%
65Notable
CMCSAsell
COMCAST CORP
Michael J Cavanagh
President
$5.3M
114,749 shares
-100%
58Moderate
CMCSAsell 2
COMCAST CORP
Brian L Roberts
Chairman of Board & CEO
$26M
616,143 shares
-4%

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.

Jason Armstrong sold $1.8M of CMCSA | InsiderTell