Jason Armstrong sold $143k of CMCSA
CFO at COMCAST CORP. 4,494 shares at an average of $31.74, traded Mar 5, 2026, filed Mar 6, 2026.
Score components
- +22RoleCFO
- +11Trade size$143k at market
- 0Share of holdings soldSold 2.6% of holdings
- 0ClusterNo other insider selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
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 -11.5%, 3m -24.5%, 6m -14.9%.
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.
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 0001225208-26-003380, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 5, 2026 | MOption exercise Class A Common Stock | +73,497 | $28.38 | $2.1M | 172,400 | Mar 6, 2026 |
| Mar 5, 2026 | SOpen-market sale Class A Common Stock | -4,494 | $31.74 | $143k | 167,906 | Mar 6, 2026 |
| Mar 5, 2026 | FTax withholding Class A Common Stock | -69,003 | $31.75 | $2.2M | 98,903 | Mar 6, 2026 |
| Mar 5, 2026 | MOption exercise Option to Purchasederivative | -73,497 | $28.38 | $2.1M | 0 | Mar 6, 2026 |
Related signals
Other insiders at COMCAST CORP and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 43Moderate | COMCAST CORP | Michael J Cavanagh Co-CEO | $1.9M 57,947 shares | -9% | |
| 41Moderate | COMCAST CORP | Asuka Nakahara director | $246k 8,275 shares | -12% | |
| 50Moderate | COMCAST CORP | Michael J Cavanagh President | $5.7M 133,159 shares | -24% | |
| 65Notable | COMCAST CORP | Brian L Roberts Chairman of Board & CEO | $20M 469,515 shares | -7% | |
| 60Notable | 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% | |
| 60Notable | COMCAST CORP | Jason Armstrong CFO | $1.8M 41,663 shares | -54% | |
| 58Moderate | 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.