Jason Armstrong - 05 Mar 2026 Form 4 Insider Report for COMCAST CORP (CMCSA)

Reporting relationship: CFO
Issuer ticker: CMCSA
Reported as of: 05 Mar 2026
Net transaction value: -$142,617
SEC form: 4
Accepted by SEC: 06 Mar 2026, 16:03:47 UTC
Prior SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: Elizabeth Wideman, Attorney-in-fact

Key filing fact

Jason Armstrong filed Form 4 for COMCAST CORP (CMCSA) on 06 Mar 2026.

Key facts

This page summarizes Jason Armstrong's Form 4 filing for COMCAST CORP (CMCSA).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 06 Mar 2026, 16:03.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: -$142,617.

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 0001958909 Primary reporting owner

Armstrong Jason

Relationship: CFO
Address: ONE COMCAST CENTER, PHILADELPHIA
Signature: Elizabeth Wideman, Attorney-in-fact
Signature date: 06 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
Shares: +73,497
Change %: +74%
Price: $28.38^*
Shares after: 172,400
Date: 05 Mar 2026
Ownership: Direct

CMCSA transaction

Class A Common Stock

Sale

Transaction value: $142,617
Shares: -4,494
Change %: -2.6%
Price: $31.74
Shares after: 167,906
Date: 05 Mar 2026
Ownership: Direct

CMCSA transaction

Class A Common Stock

Tax liability

Transaction value
Shares: -69,003
Change %: -41%
Price: $31.75^*
Shares after: 98,903
Date: 05 Mar 2026
Ownership: Direct

Reported derivative securities

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

CMCSA transaction Derivative

Option to Purchase

Options Exercise

Transaction value
Shares: -73,497
Change %: -100%
Price: $28.38^*
Shares after: 0
Date: 05 Mar 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 73,497
Exercise price: $28.38
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

With respect to the number of shares set forth in Column 7, this option is immediately exercisable.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .