Company_Context
Communication Services
Cable & Other Pay Television Services
Source: SEC SIC
MARKET_TICKER: CMCSA
COMCAST CORPInsider Trading & SEC Form 4 Analysis
Institutional analysis of internal capital flows based on SEC Form 4 filings.
Open-Market Signal
BEARISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED
Signal_Window
Headline metrics use exact calendar-day windows.
3 directional transactions in 365D
Code P purchases and code S sales are measured from 2025.08.29 — 2026.08.28.
Net_Flow_365D
-$2.3M
Open-market buys minus salesLatest_Form_4
2026.08.17
Latest available filingActive_Insiders_365D
16
Reporting entities in windowTop_Buyer_365D
No 365D buyer
No open-market buys in 365DTop_Seller_365D
Cavanagh Michael J
$1.9MAutomated_Intelligence_Report :: CMCSA
Analysis of eligible SEC Form 4 activity for CMCSA indicates a bearish 365-day signal. The selected window contains transactions from 16 distinct reporting insiders, with aggregate nominal activity of $184.33M.
Open-market purchases minus open-market sales produce a negative net flow of $2.28M. Compensation-related awards and option exercises represent more nominal activity than directional open-market trades, so the signal should be interpreted cautiously.
The largest open-market sale in the selected window was attributed to Cavanagh Michael J (Director, Co-CEO). Form 4 activity provides useful ownership context, but it should not be treated as a standalone prediction of future price performance.
Enriched_Research_Context
More context behind the filing
These indicators use normalized SEC roles, issuer metadata, cluster detection and post-filing market prices already calculated by the data pipeline.
Cluster_Activity
0
Clustered open-market purchase records in the recent filing sample.
No coordinated buying cluster detected
Post_Filing_Performance
Live Market Chart :: CMCSA
Analyze CMCSA with advanced technical indicators.
View on TradingView (Get $15 Off)Recent Insider Flow :: CMCSA
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Recent_Filing_History
Inspect the underlying SEC transactions
This table shows recent filing history and is not restricted by the selected 365D headline signal window.
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Automated_Queries :: Frequently Asked Questions
>Is insider buying outweighing selling at CMCSA?
Open-market selling volume ($2.28M) currently exceeds buying volume ($0.00M), indicating net liquidation by insiders.
>Who is currently buying CMCSA stock?
No eligible open-market purchases were reported for CMCSA during the last 365 calendar days.
>Are CMCSA insiders selling their shares?
During the last 365 calendar days, eligible open-market sales total $2.28M. Cavanagh Michael J recorded the largest aggregate selling volume.
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