How many insider trades does FilingIQ track for CMCSA?

FilingIQ tracks 1,918 Form 4 insider transactions for CMCSA (COMCAST CORP), covering filings from Jan 18, 2015 onwards. 61 of those were filed in the last 90 days.

Are CMCSA insiders net buyers or net sellers?

Across the full Form 4 history for CMCSA, 0 transactions (0%) were open-market purchases and 189 (10%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does CMCSA insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is CMCSA in?

COMCAST CORP (CMCSA) is classified in the Communication Services sector, specifically Telecom Services, with a current market capitalisation of $115.24B.

CMCSA insider trading

NasdaqGS Communication Services

COMCAST CORP — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

1,918

Last 90 days

Buys / sells

0% / 10%

Market cap

$115.24B

About COMCAST CORP

Comcast Corporation operates as a media and technology company worldwide. The company operates through Residential Connectivity & Platforms, Business Services Connectivity, Media, Studios, and Theme Parks segments. Its Residential Connectivity & Platforms segment provides residential broadband and wireless connectivity services, residential and business video services, sky-branded entertainment television networks, and advertising. The Business Services Connectivity segment offers connectivity services for small business locations, which include broadband, wireline voice, and wireless services; and ethernet network services for medium-sized customers and larger enterprises. Its Media segment operates NBCUniversal's national and regional cable networks; the NBC and Telemundo broadcast networks and owned local broadcast television stations; and Peacock, a direct-to-consumer streaming services. The company also operates international television networks comprising the Sky Sports networks, as well as other digital properties. Its Studios segment operates NBCUniversal and Sky film and television studio production and distribution operations. The Theme Parks segment operates Universal theme parks in Orlando, Florida; Hollywood, California; Osaka, Japan; and Beijing, China. It also offers a consolidated streaming platforms under the Philadelphia Flyers and the Xfinity Mobile Arena in Philadelphia, Pennsylvania; and Xumo. Comcast Corporation was founded in 1963 and is headquartered in Philadelphia, Pennsylvania.

Company website: corporate.comcast.com

CMCSA insider activity at a glance

FilingIQ has scored 1,918 insider transactions for CMCSA since Jan 18, 2015. The most recent filing in our index is dated May 11, 2026.

Across the full history, 0 open-market purchases and 189 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on CMCSA insider trades is 62.5/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live CMCSA trades on FilingIQ Raw filings on SEC EDGAR

Other Communication Services tickers with recent insider activity

Liberty Latin America Ltd.

VERIZON COMMUNICATIONS INC

13F funds holding CMCSA

BARCLAYS PLC (BCS, BCLYF)

$9.33B · 2.0% of AUM

AMERIPRISE FINANCIAL INC (AMP)

$1.58B · 0.5% of AUM

Candriam S.C.A.

$1.25B · 6.2% of AUM

Clearbridge Investments, LLC

$1.04B · 0.8% of AUM

AEGON ASSET MANAGEMENT UK PLC

$774.81M · 10.9% of AUM

Politicians who have traded CMCSA

Phillips, Dean

U.S. Rep. , MN · 994 trades

King, Jr., Angus S

U.S. Sen. , ME · 210 trades

Cassidy, William

U.S. Sen. · 161 trades

Franklin, Scott Scott

U.S. Rep. , FL · 77 trades

Bustos, Cheri

U.S. Rep. , IL · 41 trades

Frequently asked

How many insider trades does FilingIQ track for CMCSA?: FilingIQ tracks 1,918 Form 4 insider transactions for CMCSA (COMCAST CORP), covering filings from Jan 18, 2015 onwards. 61 of those were filed in the last 90 days.
Are CMCSA insiders net buyers or net sellers?: Across the full Form 4 history for CMCSA, 0 transactions (0%) were open-market purchases and 189 (10%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does CMCSA insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is CMCSA in?: COMCAST CORP (CMCSA) is classified in the Communication Services sector, specifically Telecom Services, with a current market capitalisation of $115.24B.

Methodology & sources

Every CMCSA insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.