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

Reporting relationship: Co-CEO, Director
Issuer ticker: CMCSA
Reported as of: 01 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Sep 2026, 16:13:08 UTC
Prior SEC filing: 03 Mar 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 Sep 2026.

Key facts

This page summarizes Michael J. Cavanagh's Form 4 filing for COMCAST CORP (CMCSA).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 03 Sep 2026, 16:13.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: $0.

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 Sep 2026

Reported derivative securities

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

CMCSA transaction Derivative

Phantom Stock

Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities

Transaction value
Shares: -392,769
Change %: -100%
Price: $26.30^*
Shares after: 0
Date: 01 Sep 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 392,769
Exercise price
Footnotes: F1

CMCSA transaction Derivative

Restricted Stock Units

Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities

Transaction value
Shares: -565,642
Change %: -100%
Price: $26.30^*
Shares after: 0
Date: 01 Sep 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 565,642
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

Each share of phantom stock represents the economic equivalent to one share of Class A common stock. Phantom shares have been deferred under our deferred compensation plans, may be transferred into alternative investments under the terms of our deferred compensation plans and settle in cash.

Footnote F2

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

Footnote F3

The reporting person had previously elected to defer receipt of shares and to notionally reinvest the deferred compensation in another investment plan.