FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * BURKE STEPHEN B   2. Issuer Name and Ticker or Trading Symbol COMCAST CORP [CMCSA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) COO & Executive Vice President (Last) (First) (Middle) COMCAST CORPORATION, 1500 MARKET STREET 3. Date of Earliest Transaction (Month/Day/Year) 03/10/2006 (Street) PHILADELPHIA, PA 19102 4. If Amendment, Date 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 (City) (State) (Zip) 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

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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 Underlying Securities (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 of Derivative Security: 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 (1)

$ 26.25

03/10/2006

A

403,200

03/10/2007(2)

03/09/2016

Class A Common Stock

403,200

$ 0

403,200

D

Restricted Stock Units

(3)

03/10/2006

A

160,800

04/10/2007(4)

(4)

Class A Common Stock

160,800

$ 0

160,800

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BURKE STEPHEN B COMCAST CORPORATION 1500 MARKET STREET PHILADELPHIA, PA 19102			COO & Executive Vice President

Signatures

By: Arthur R. Block, Attorney-in-fact for Stephen B. Burke		03/13/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	This is an option to purchase Class A Common Stock.
(2)	The date of grant was March 10, 2006, and the shares vest as follows: 30% vests on the 2nd anniversary of the date of grant; an additional 15% vests on each of the 3rd, 4th and 5th anniversaries of the date of grant; and an additional 5% vests on each of the 6th, 7th, 8th, 9th and 9.5th anniversaries of the date of grant.
(3)	Each restricted stock unit represents a contigent right to receive one share of Class A Common Stock.
(4)	The restricted stock units vest in installments of 15%, 15%, 15%, 15% and 40% on the 13th-month, 2nd, 3rd, 4th and 5th anniversaries of the date of grant (March 10, 2006), respectively.

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