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*
BLOCK ARTHUR R

(Last) (First) (Middle)
ONE COMCAST CENTER

(Street)
PHILADELPHIA PA 19103

(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)
Director 10% Owner
X Officer (give title below) Other (specify below)
SVP, GC and Secretary
3. Date of Earliest Transaction (Month/Day/Year)
03/20/2014
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 Common Stock 03/20/2014 M 9,440 A $0 (1) 38,276 D
Class A Common Stock 03/20/2014 F 4,558 D $50.605 33,718 D
Class A Common Stock 03/21/2014 S (2) 4,882 D $51.31 28,836 D
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
Restricted Stock Units (3) 03/20/2014 M 9,440 (4) (4) Class A Common Stock 9,440 $0.0000 133,334 D
Option to Purchase $50 03/21/2014 A 64,300 (5) 03/21/2024 Class A Common Stock 64,300 $0.0000 64,300 D
Restricted Stock Units (3) 03/21/2014 A 14,400 (6) (6) Class A Common Stock 14,400 $0.0000 147,734 D
Explanation of Responses:
1. The price is $0.00.
2. Transaction was effected pursuant to a Rule 10b5-1 trading plan.
3. Each restricted stock unit represents a contigent right to receive one share of Class A Common Stock.
4. These restricted stock units vest on the transaction date.
5. The date of the grant was March 21, 2014, and the shares vest as follows: 40% become exercisable on the 2nd anniversary of the date of the grant, and an additional 20% vests on each of the 3rd, 4th and 5th anniversaries of the date of the grant.
6. 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 21, 2014), respectively.
/s/ Arthur R. Block 03/24/2014
** 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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