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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1. Name and Address of Reporting Person * ROBERTS BRIAN L   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) Chairman of Board, Pres. & CEO (Last) (First) (Middle) ONE COMCAST CENTER 3. Date of Earliest Transaction (Month/Day/Year) 06/13/2017 (Street) PHILADELPHIA, PA 19103 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 Class A Common Stock 06/13/2017   J(1)   1,289,214 A (1) 22,752,309 I By LLC Class A Common Stock 06/13/2017   J(1)   1,289,214 D (1) 22,752,309 I By LLC Class A Common Stock 06/13/2017   J(2)   2,693,337 A (2) 22,752,309 I By LLC Class A Common Stock 06/13/2017   J(2)   2,693,337 D (2) 22,752,309 I By LLC Class A Common Stock               911,818 D   Class A Common Stock               1,195,090 I By Trusts Class A Common Stock               480 I By Daughter Class A Common Stock               551,044 I By Spouse

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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

Class B Common Stock (3)

(1) (3)

06/13/2017

J(1)

1,289,214

(3)

(3)

Class A Common Stock

9,039,663

(1) (3)

9,039,663

I

By LLC

Class B Common Stock (3)

(1) (3)

06/13/2017

J(1)

1,289,214

(3)

(3)

Class A Common Stock

9,039,663

(1) (3)

9,039,663

I

By LLC

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ROBERTS BRIAN L ONE COMCAST CENTER PHILADELPHIA, PA 19103	X		Chairman of Board, Pres. & CEO

Signatures

/s/ Arthur R. Block, as Attorney-in-Fact		06/15/2017
**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)	Reflects distributions by grantor retained annuity trusts (GRATs) established by the Reporting Person to certain family trusts of a 14.26% interest in a limited liability company controlled by the Reporting Person, which conveyed to the family trusts an indirect interest in (i) 1,289,214 shares of Class A Common Stock and (ii) 1,289,214 shares of Class B Common Stock.
(2)	Reflects distributions by GRATs established by the Reporting Person to certain family trusts of a 19.64% interest in a limited liability company controlled by the Reporting Person, which conveyed to the family trusts an indirect interest in 2,693,337 shares of Class A Common Stock.
(3)	Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock.

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