SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
ROBERTS BRIAN L

(Last) (First) (Middle)
COMCAST CORPORATION
1500 MARKET STREET

(Street)
PHILADELPHIA PA 19102

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
COMCAST CORP [ CMCSA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
President & CEO
3. Date of Earliest Transaction (Month/Day/Year)
05/20/2004
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Class A Special Common Stock(1) 05/20/2004 M 305,632 A $10.5834 679,990 D
Class A Special Common Stock(1) 05/20/2004 M 144,267 A $9.5625 824,257 D
Class A Special Common Stock(2) 05/20/2004 F 166,637 D $27.69 657,620 D
Class A Special Common Stock(3) 05/20/2004 F 152,486 D $27.69 505,134 D
Class A Special Common Stock 41,132.488 I By 401(k)
Class A Special Common Stock 160 I By Daughter
Class A Special Common Stock 2,408,638 I By LLC
Class A Special Common Stock 2,712 I By Spouse
Class A Special Common Stock 122,163 I By Trusts
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option to Purchase(4) $10.5834 05/20/2004 M 305,632 (5) 07/10/2004 Class A Special Common Stock 305,632 $0 0.0000 D
Option to Purchase(4) $9.5625 05/20/2004 M 144,267 (5) 07/10/2004 Class A Special Common Stock 144,267 $0 0.0000 D
Explanation of Responses:
1. Shares acquired upon exercise of options.
2. Shares delivered for payment of option exercise price.
3. Shares withheld for payment of tax liability.
4. This is an option to purchase Class A Special Common Stock.
5. This option is immediately exercisable.
By: Arthur R. Block, Attorney-in-fact for Brian L. Roberts 05/21/2004
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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