MetaCap

Comcast Insider Trades

NASDAQ: CMCSATelecommunicationsCable & Other Pay Television ServicesUSD

21.21+0.27 (+1.29%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
0 · $0
Sales
3 · $2.28M
Shares bought / sold
0 / 70.72K
Net activity
Net selling $2.3 million

Comcast insider activity

Over the last 12 months, Comcast insiders reported 63 transactions on SEC Form 4: 0 open-market purchases and 3 sales. Insiders bought $0 and sold $2.3 million worth of stock, for net insider selling of $2.3 million. The largest seller was Cavanagh Michael J, with $1.9 million in reported sales.

The most recent filing shows Smith Gordon (Director) reporting a transaction in 1,552 shares on Sep 30, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put CMCSA's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

CMCSA insider transactions

Comcast insider transactions
DateInsiderTypeSharesValueFiling
Sep 30, 2026Brady Louise F.DirectorAward1,552—Form 4
Sep 30, 2026BREEN EDWARD DDirectorAward920—Form 4
Sep 30, 2026Honickman Jeffrey ADirectorAward2,011—Form 4
Sep 30, 2026Baltimore Thomas J JrDirectorAward1,552—Form 4
Sep 30, 2026Smith GordonDirectorAward1,552—Form 4
Sep 2, 2026ROBERTS BRIAN LChairman of Board & Co-CEOGift101,900—Form 4
Aug 17, 2026BREEN EDWARD DDirectorGift62,440—Form 4
Aug 5, 2026ROBERTS BRIAN LChairman of Board & Co-CEOGift204,100—Form 4
Jun 30, 2026BREEN EDWARD DDirectorAward815—Form 4
Jun 30, 2026Smith GordonDirectorAward1,375—Form 4
Jun 30, 2026Baltimore Thomas J JrDirectorAward1,375—Form 4
Jun 30, 2026Brady Louise F.DirectorAward1,375—Form 4
Jun 30, 2026Honickman Jeffrey ADirectorAward1,783—Form 4
May 19, 2026ROBERTS BRIAN LChairman of Board & Co-CEOGift202,500—Form 4
May 11, 2026BREEN EDWARD DDirectorGift32,440—Form 4
Apr 3, 2026Murdock Daniel C.EVP & Chief Accounting OfficerTax withholding2,073$57.90KForm 4
Apr 3, 2026Murdock Daniel C.EVP & Chief Accounting OfficerOption exercise5,268—Form 4
Mar 31, 2026BREEN EDWARD DDirectorAward697—Form 4
Mar 31, 2026Honickman Jeffrey ADirectorAward1,524—Form 4
Mar 31, 2026Smith GordonDirectorAward1,176—Form 4
Mar 31, 2026Baltimore Thomas J JrDirectorAward1,176—Form 4
Mar 31, 2026Brady Louise F.DirectorAward1,176—Form 4
Mar 17, 2026BREEN EDWARD DDirectorGift30,000—Form 4
Mar 17, 2026Khoury JenniferChief Communications OfficerTax withholding10,514$316.26KForm 4
Mar 17, 2026Khoury JenniferChief Communications OfficerOption exercise10,867$308.41KForm 4
Mar 5, 2026Armstrong JasonCFOTax withholding69,003$2.19MForm 4
Mar 5, 2026Armstrong JasonCFOSale4,494$142.62KForm 4
Mar 5, 2026Armstrong JasonCFOOption exercise73,497$2.09MForm 4
Mar 1, 2026Murdock Daniel C.EVP & Chief Accounting OfficerTax withholding1,012$31.33KForm 4
Mar 1, 2026Murdock Daniel C.EVP & Chief Accounting OfficerTax withholding944$29.23KForm 4
Mar 1, 2026Murdock Daniel C.EVP & Chief Accounting OfficerTax withholding771$23.87KForm 4
Mar 1, 2026Murdock Daniel C.EVP & Chief Accounting OfficerTax withholding553$17.12KForm 4
Mar 1, 2026Murdock Daniel C.EVP & Chief Accounting OfficerOption exercise2,270—Form 4
Mar 1, 2026Murdock Daniel C.EVP & Chief Accounting OfficerOption exercise3,163—Form 4
Mar 1, 2026Murdock Daniel C.EVP & Chief Accounting OfficerOption exercise3,875—Form 4
Mar 1, 2026Murdock Daniel C.EVP & Chief Accounting OfficerOption exercise4,060—Form 4
Mar 1, 2026Reid Thomas J.Chief Legal Officer, SecretaryTax withholding48,665$1.51MForm 4
Mar 1, 2026Reid Thomas J.Chief Legal Officer, SecretaryOption exercise93,142—Form 4
Mar 1, 2026Armstrong JasonCFOTax withholding43,060$1.33MForm 4
Mar 1, 2026Armstrong JasonCFOTax withholding2,688$83.22KForm 4
Mar 1, 2026Armstrong JasonCFOTax withholding2,099$64.99KForm 4
Mar 1, 2026Armstrong JasonCFOOption exercise4,540—Form 4
Mar 1, 2026Armstrong JasonCFOOption exercise5,813—Form 4
Mar 1, 2026Armstrong JasonCFOOption exercise93,142—Form 4
Mar 1, 2026Khoury JenniferChief Communications OfficerTax withholding2,873$88.95KForm 4
Mar 1, 2026Khoury JenniferChief Communications OfficerTax withholding1,967$60.90KForm 4
Mar 1, 2026Khoury JenniferChief Communications OfficerTax withholding1,260$39.01KForm 4
Mar 1, 2026Khoury JenniferChief Communications OfficerOption exercise2,724—Form 4
Mar 1, 2026Khoury JenniferChief Communications OfficerOption exercise2,873—Form 4
Mar 1, 2026Khoury JenniferChief Communications OfficerOption exercise4,254—Form 4
Mar 1, 2026Cavanagh Michael JCo-CEOTax withholding34,980$1.08MForm 4
Mar 1, 2026Cavanagh Michael JCo-CEOOption exercise34,980—Form 4
Mar 1, 2026ROBERTS BRIAN LChairman of Board & Co-CEOTax withholding45,578$1.41MForm 4
Mar 1, 2026ROBERTS BRIAN LChairman of Board & Co-CEOOption exercise45,578—Form 4
Feb 11, 2026ROBERTS BRIAN LChairman of Board & Co-CEOTax withholding907,653$29.68MForm 4
Feb 11, 2026ROBERTS BRIAN LChairman of Board & Co-CEOOption exercise984,320$27.94MForm 4
Feb 11, 2026Cavanagh Michael JCo-CEOTax withholding383,796$12.54MForm 4
Feb 11, 2026Cavanagh Michael JCo-CEOSale57,947$1.89MForm 4
Feb 11, 2026Cavanagh Michael JCo-CEOOption exercise441,743$12.54MForm 4
Feb 11, 2026Cavanagh Michael JCo-CEOTax withholding294,495$9.62MForm 4
Feb 11, 2026Cavanagh Michael JCo-CEOOption exercise294,495$8.36MForm 4
Feb 4, 2026Smith GordonDirectorAward7,869—Form 4
Feb 3, 2026NAKAHARA ASUKADirectorSale8,275$245.77KForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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