COMCAST CORP — Director's Dealing 2012

Aug 22, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMCAST CORP (CMCSA)
CIK: 0001166691
Period of Report: 2012-08-20

Reporting Person: BLOCK ARTHUR R (SVP, GC and Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-20	Class A Common Stock	M	50550.0000	$25.4400	Acquired	79386.0000	Direct
2012-08-20	Class A Common Stock	M	42540.0000	$18.3400	Acquired	121926.0000	Direct
2012-08-20	Class A Common Stock	M	21150.0000	$14.5400	Acquired	143076.0000	Direct
2012-08-20	Class A Common Stock	M	14850.0000	$18.9800	Acquired	157926.0000	Direct
2012-08-20	Class A Common Stock	M	7500.0000	$19.9200	Acquired	165426.0000	Direct
2012-08-20	Class A Common Stock	M	5625.0000	$18.0800	Acquired	171051.0000	Direct
2012-08-20	Class A Common Stock	F	4048.0000	$34.0200	Disposed	167003.0000	Direct
2012-08-20	Class A Common Stock	F	5639.0000	$34.0200	Disposed	161364.0000	Direct
2012-08-20	Class A Common Stock	F	10919.0000	$34.0200	Disposed	150445.0000	Direct
2012-08-20	Class A Common Stock	F	13898.0000	$34.0200	Disposed	136547.0000	Direct
2012-08-20	Class A Common Stock	F	30798.0000	$34.0200	Disposed	105749.0000	Direct
2012-08-20	Class A Common Stock	F	42916.0000	$34.0200	Disposed	62833.0000	Direct
2012-08-20	Class A Special Common Stock	M	5625.0000	$15.8933	Acquired	40220.0000	Direct
2012-08-20	Class A Special Common Stock	S	15110.0000	$33.1172	Disposed	25110.0000	Direct
2012-08-20	Class A Special Common Stock	G	787.0000	$0.0000	Acquired	9878.0000	Indirect
2012-08-20	Class A Special Common Stock	G	787.0000	$0.0000	Acquired	10115.0000	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-20	Option to Purchase	$18.0800	M	5625.0000	Disposed	2013-02-25	Class A Common Stock (5625.0000)	Direct
2012-08-20	Option to Purchase	$19.9200	M	7500.0000	Disposed	2014-03-07	Class A Common Stock (7500.0000)	Direct
2012-08-20	Option to Purchase	$18.3400	M	42540.0000	Disposed	2020-03-25	Class A Common Stock (42540.0000)	Direct
2012-08-20	Option to Purchase	$25.4400	M	50550.0000	Disposed	2017-03-15	Class A Common Stock (50550.0000)	Direct
2012-08-20	Option to Purchase	$14.5400	M	21150.0000	Disposed	2019-03-26	Class A Common Stock (21150.0000)	Direct
2012-08-20	Option to Purchase	$18.9800	M	14850.0000	Disposed	2018-03-27	Class A Common Stock (14850.0000)	Direct
2012-08-20	Option to Purchase	$15.8933	M	5625.0000	Disposed	2012-10-26	Class A Special Common Stock (5625.0000)	Direct

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $33.10 to $33.14. The price reported above reflects the weighted-average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

F2: The date of grant was February 26, 2003 and the shares vest as follows: 32.5% vests on the 2nd anniversary of the date of grant, an additional 16.25% vests on each of the 3rd, 4th and 5th anniversaries of the date of grant, and an additional 3.75% vests on each of the 6th, 7th, 8th, 9th and 9.5th anniversaries of the date of grant.

F3: As to 50% of the shares subject to this option, the shares vest in installments of 40%, 20%, 20% and 20% on the 2nd, 3rd,4th and 5th anniversaries of the date of grant, respectively; and as to the other 50% of the shares subject to this option, the shares vest in installments of 20%, 10%, 10%, 10%, 10%, 10%, 10%, 10% and 10% on the 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, and 9.5th anniversaries of the date of grant, respectively.

F4: The date of grant was March 26, 2010, 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.

F5: The date of grant was March 16, 2007, 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.

F6: The date of grant was March 27, 2009, 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.

F7: The date of grant was March 28, 2008, 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.

F8: The date of grant was October 28, 2002 and the shares vest as follows: 100% on the 9.5th anniversary of the date of grant.