By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Comcast Corp insiders have only been selling lately: three insiders sold about $2.3 million of stock over 12 months, with no open-market purchases.
That's worth context: executives sell for plenty of routine reasons, from scheduled trading plans to tax bills. Buying is the rarer, more telling signal.
Zooming out by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 0 of the last 7 full quarters. CMCSA also shows up in congressional disclosures: 32 reported trades from 15 lawmakers in two years. On the institutional side, 1,889 funds reported holding CMCSA at the end of Q2 2026, and more funds sold than bought.
Are insiders buying or selling CMCSA stock?
In the last 12 months Comcast Corp insiders made open-market purchases worth about $0 and sales worth about $2.3 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in CMCSA?
The most recent open-market insider trade in CMCSA was filed on 2026-03-06.
How many institutions own CMCSA?
1,889 investment managers reported holding CMCSA in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded CMCSA?
Yes. Members of Congress reported 32 trades in CMCSA over the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).