Michael J. Cavanagh - 01 Mar 2026 Form 4 Insider Report for COMCAST CORP (CMCSA)

Reporting relationship: Co-CEO, Director
Issuer ticker: CMCSA
Reported as of: 01 Mar 2026
Net transaction value: -$1,082,981
SEC form: 4
Accepted by SEC: 03 Mar 2026, 16:17:05 UTC
Prior SEC filing: 26 Feb 2026
Source filing: View source filing
Reporting owner signature: Elizabeth Wideman, Attorney-in-fact

Key filing fact

Michael J. Cavanagh filed Form 4 for COMCAST CORP (CMCSA) on 03 Mar 2026.

Key facts

This page summarizes Michael J. Cavanagh's Form 4 filing for COMCAST CORP (CMCSA).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 03 Mar 2026, 16:17.

Change

Previous filing in this sequence was filed on 26 Feb 2026.
Current net transaction value: -$1,082,981.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001304481 Primary reporting owner

Cavanagh Michael J

Relationship: Co-CEO, Director
Address: ONE COMCAST CENTER, PHILADELPHIA
Signature: Elizabeth Wideman, Attorney-in-fact
Signature date: 03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CMCSA transaction

Class A Common Stock

Options Exercise

Transaction value: $0
Shares: +34,980
Change %: +91%
Price: $0.000000
Shares after: 73,613
Date: 01 Mar 2026
Ownership: Direct
Footnotes: F1

CMCSA transaction

Class A Common Stock

Tax liability

Transaction value: $1,082,981
Shares: -34,980
Change %: -48%
Price: $30.96
Shares after: 38,633
Date: 01 Mar 2026
Ownership: Direct

CMCSA holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 171,000
Date: 01 Mar 2026
Ownership: By Spouse

CMCSA holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 238,540
Date: 01 Mar 2026
Ownership: By Trust

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CMCSA transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -34,980
Change %: -11%
Price: $0.000000
Shares after: 291,007
Date: 01 Mar 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 34,980
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The price is $0.00.

Footnote F2

Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.

Footnote F3

These restricted stock units vest on the transaction date.