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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in COMCAST CORP. Get notifications about new insider transactions in COMCAST CORP for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Mar 29 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Payment of Exercise	F	0.00	12,209	0	195,015	207.2 K to 195 K (-5.89 %)
Mar 29 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Buy	M	0.00	27,750	0	207,224	179.5 K to 207.2 K (+15.46 %)
Mar 29 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	M	0.00	7,110	0	18,990
Mar 29 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	A	0.00	26,100	0	26,100
Mar 29 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	A	25.02	93,000	2,326,860	93,000
Mar 29 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Sell	S	24.49	19,919	487,856	60,909	80.8 K to 60.9 K (-24.64 %)
Mar 29 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Payment of Exercise	F	0.00	3,273	0	80,828	84.1 K to 80.8 K (-3.89 %)
Mar 29 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Buy	M	0.00	7,110	0	84,101	77 K to 84.1 K (+9.23 %)
Mar 29 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	Executive Vice Pres ...	Option Exercise	M	0.00	47,250	0	140,850
Mar 29 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	Executive Vice Pres ...	Option Exercise	A	0.00	188,100	0	188,100
Mar 29 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	Executive Vice Pres ...	Option Exercise	A	25.02	676,000	16,913,520	676,000
Mar 29 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	Executive Vice Pres ...	Payment of Exercise	F	0.00	21,321	0	389,949	411.3 K to 389.9 K (-5.18 %)
Mar 29 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	Executive Vice Pres ...	Buy	M	0.00	47,250	0	411,270	364 K to 411.3 K (+12.98 %)
Mar 29 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Option Exercise	M	0.00	58,500	0	1,039,275
Mar 29 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Option Exercise	A	0.00	233,500	0	233,500
Mar 29 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Option Exercise	A	25.02	839,000	20,991,780	839,000
Mar 29 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Payment of Exercise	F	0.00	25,931	0	393,436	419.4 K to 393.4 K (-6.18 %)
Mar 29 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Buy	M	0.00	58,500	0	419,367	360.9 K to 419.4 K (+16.21 %)
Mar 22 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	M	0.00	3,540	0	161,016
Mar 22 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Payment of Exercise	F	0.00	1,630	0	76,991	78.6 K to 77 K (-2.07 %)
Mar 22 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Buy	M	0.00	3,540	0	78,621	75.1 K to 78.6 K (+4.71 %)
Mar 29 2011	CMCSA	COMCAST CORP	Smit Neil	Executive Vice Pres ...	Option Exercise	A	0.00	119,800	0	119,800
Mar 29 2011	CMCSA	COMCAST CORP	Smit Neil	Executive Vice Pres ...	Option Exercise	A	25.02	431,000	10,783,620	431,000
Mar 22 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	0.00	3,540	0	212,716
Mar 22 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	1,530	0	41,735	43.3 K to 41.7 K (-3.54 %)
Mar 22 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	0.00	3,540	0	43,265	39.7 K to 43.3 K (+8.91 %)
Mar 18 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Option Exercise	M	0.00	33,312	0	1,542,610
Mar 18 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Payment of Exercise	F	0.00	15,032	0	364,020	379.1 K to 364 K (-3.97 %)
Mar 18 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Buy	M	0.00	33,312	0	379,052	345.7 K to 379.1 K (+9.63 %)
Mar 18 2011	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Option Exercise	M	0.00	14,970	0	788,189
Mar 18 2011	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Payment of Exercise	F	0.00	6,305	0	121,589	127.9 K to 121.6 K (-4.93 %)
Mar 18 2011	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Buy	M	0.00	14,970	0	127,894	112.9 K to 127.9 K (+13.26 %)
Mar 18 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	0.00	3,840	0	216,256
Mar 18 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	1,660	0	39,725	41.4 K to 39.7 K (-4.01 %)
Mar 18 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	0.00	3,840	0	41,385	37.5 K to 41.4 K (+10.23 %)
Mar 18 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Option Exercise	M	0.00	19,400	0	568,183
Mar 18 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Payment of Exercise	F	0.00	8,535	0	179,474	188 K to 179.5 K (-4.54 %)
Mar 18 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Buy	M	0.00	19,400	0	188,009	168.6 K to 188 K (+11.51 %)
Mar 14 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	0.00	14,820	0	220,096
Mar 14 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	6,405	0	37,545	44 K to 37.5 K (-14.57 %)
Mar 14 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	0.00	14,820	0	43,950	29.1 K to 44 K (+50.88 %)
Mar 18 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	M	0.00	3,840	0	164,556
Mar 18 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Payment of Exercise	F	0.00	1,768	0	75,081	76.8 K to 75.1 K (-2.30 %)
Mar 18 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Buy	M	0.00	3,840	0	76,849	73 K to 76.8 K (+5.26 %)
Mar 18 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Option Exercise	M	0.00	41,640	0	1,097,775
Mar 18 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Payment of Exercise	F	0.00	18,458	0	360,867	379.3 K to 360.9 K (-4.87 %)
Mar 18 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Buy	M	0.00	41,640	0	379,325	337.7 K to 379.3 K (+12.33 %)
Mar 14 2011	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Option Exercise	M	0.00	58,200	0	803,159
Mar 14 2011	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Payment of Exercise	F	0.00	24,691	0	112,924	137.6 K to 112.9 K (-17.94 %)
Mar 14 2011	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Buy	M	0.00	58,200	0	137,615	79.4 K to 137.6 K (+73.29 %)
Mar 14 2011	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Gift	G	0.00	500	0	734,640	735.1 K to 734.6 K (-0.07 %)
Mar 14 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Option Exercise	M	0.00	88,440	0	1,575,922
Mar 14 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Payment of Exercise	F	0.00	39,908	0	345,740	385.6 K to 345.7 K (-10.35 %)
Mar 14 2011	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Buy	M	0.00	88,440	0	385,648	297.2 K to 385.6 K (+29.76 %)
Mar 14 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Option Exercise	M	0.00	51,425	0	587,583
Mar 14 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Payment of Exercise	F	0.00	17,633	0	168,609	186.2 K to 168.6 K (-9.47 %)
Mar 14 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Grant	A	0.00	40,081	0	186,242	146.2 K to 186.2 K (+27.42 %)
Mar 14 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Payment of Exercise	F	0.00	22,624	0	146,161	168.8 K to 146.2 K (-13.40 %)
Mar 14 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Buy	M	0.00	51,425	0	168,785	117.4 K to 168.8 K (+43.82 %)
Mar 14 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Option Exercise	M	0.00	110,550	0	1,139,415
Mar 14 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Payment of Exercise	F	0.00	49,002	0	337,685	386.7 K to 337.7 K (-12.67 %)
Mar 14 2011	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Buy	M	0.00	110,550	0	386,687	276.1 K to 386.7 K (+40.03 %)
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	15.89	93,750	1,489,997	11,250
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	15.89	45,000	715,199	105,000
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	13.04	22,500	293,400	0
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	19.92	120,000	2,390,400	30,000
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	18.08	133,125	2,406,900	16,875
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	24.02	126,933	3,048,931	34,273	161.2 K to 34.3 K (-78.74 %)
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	24.00	34,317	823,488	161,206	195.5 K to 161.2 K (-17.55 %)
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	13.04	22,500	293,400	195,523	173 K to 195.5 K (+13.00 %)
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	15.89	45,000	715,199	173,023	128 K to 173 K (+35.15 %)
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	15.89	93,750	1,489,997	128,023	34.3 K to 128 K (+273.54 %)
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	25.39	214,638	5,449,659	29,130	243.8 K to 29.1 K (-88.05 %)
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	25.40	38,487	977,447	243,768	282.3 K to 243.8 K (-13.64 %)
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	19.92	120,000	2,390,400	282,255	162.3 K to 282.3 K (+73.96 %)
Feb 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	18.08	133,125	2,406,900	162,255	29.1 K to 162.3 K (+457.00 %)
Mar 14 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	M	0.00	14,820	0	168,396
Mar 14 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Payment of Exercise	F	0.00	6,823	0	73,009	79.8 K to 73 K (-8.55 %)
Mar 14 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Buy	M	0.00	14,820	0	79,832	65 K to 79.8 K (+22.80 %)
Mar 02 2011	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Sell	S	24.17	10,000	241,653	946,126	956.1 K to 946.1 K (-1.05 %)
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Option Exercise	M	15.89	150,000	2,383,995	0
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Option Exercise	M	15.89	152,250	2,419,755	12,750
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Option Exercise	M	15.89	480,963	7,644,089	75,000
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Option Exercise	M	15.89	44,037	699,893	555,963
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Payment of Exercise	F	23.80	100,176	2,384,019	14,602	114.8 K to 14.6 K (-87.28 %)
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Sell	S	23.80	35,222	838,224	114,778	150 K to 114.8 K (-23.48 %)
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Buy	M	15.89	150,000	2,383,995	150,000	0 to 150 K
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Gift	G	0.00	7,448	0	12,526	5.1 K to 12.5 K (+146.67 %)
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Gift	G	0.00	5,078	0	5,078	0 to 5.1 K
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Gift	G	0.00	7,448	0	121,600	129 K to 121.6 K (-5.77 %)
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Gift	G	0.00	5,078	0	140,843	145.9 K to 140.8 K (-3.48 %)
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Payment of Exercise	F	23.77	556,902	13,237,561	43,375	600.3 K to 43.4 K (-92.77 %)
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Sell	S	23.77	85,264	2,026,725	600,277	685.5 K to 600.3 K (-12.44 %)
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Buy	M	15.89	44,037	699,893	685,541	641.5 K to 685.5 K (+6.86 %)
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Buy	M	15.89	152,250	2,419,755	641,504	489.3 K to 641.5 K (+31.12 %)
Feb 24 2011	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Buy	M	15.89	480,963	7,644,089	489,254	8.3 K to 489.3 K (+5,801.03 %)
Jan 31 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	9,469	0	29,130	38.6 K to 29.1 K (-24.53 %)
Jan 31 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Grant	A	0.00	21,895	0	38,599	16.7 K to 38.6 K (+131.08 %)
Feb 22 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Sell	S	23.90	5,715	136,589	1,922	7.6 K to 1.9 K (-74.83 %)
Feb 22 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Sell	S	25.21	17,252	434,925	65,012	82.3 K to 65 K (-20.97 %)
Feb 03 2011	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Sell	S	21.80	30,000	654,039	837,160	867.2 K to 837.2 K (-3.46 %)
Jan 31 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Payment of Exercise	F	0.00	7,977	0	82,264	90.2 K to 82.3 K (-8.84 %)
Jan 31 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Grant	A	0.00	21,895	0	90,241	68.3 K to 90.2 K (+32.04 %)
Jan 27 2011	CMCSA	COMCAST CORP	ANSTROM S DECKER	Director	Grant	A	0.00	49	0	12,054	12 K to 12.1 K (+0.41 %)
Jan 27 2011	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Grant	A	0.00	35	0	25,204	25.2 K to 25.2 K (+0.14 %)
Jan 27 2011	CMCSA	COMCAST CORP	Collins Joseph J	Director	Grant	A	0.00	36	0	9,000	9 K to 9 K (+0.40 %)
Jan 27 2011	CMCSA	COMCAST CORP	COOK J MICHAEL	Director	Grant	A	0.00	23	0	7,041	7 K to 7 K (+0.33 %)
Jan 27 2011	CMCSA	COMCAST CORP	RODIN JUDITH	Director	Grant	A	0.00	29	0	7,239	7.2 K to 7.2 K (+0.40 %)
Jan 27 2011	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Grant	A	0.00	20	0	4,896	4.9 K to 4.9 K (+0.41 %)
Jan 27 2011	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Grant	A	0.00	34	0	48,551	48.5 K to 48.6 K (+0.07 %)
Jan 24 2011	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Gift	G	0.00	6,471	0	28,872	35.3 K to 28.9 K (-18.31 %)
Jan 24 2011	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Gift	G	0.00	2,132	0	21,574	23.7 K to 21.6 K (-8.99 %)
Jan 24 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	M	0.00	10,500	0	183,216
Jan 24 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Payment of Exercise	F	0.00	3,826	0	68,346	72.2 K to 68.3 K (-5.30 %)
Jan 24 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Buy	M	0.00	10,500	0	72,172	61.7 K to 72.2 K (+17.03 %)
Jan 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	0.00	10,500	0	234,916
Jan 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	3,491	0	16,704	20.2 K to 16.7 K (-17.29 %)
Jan 24 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	0.00	10,500	0	20,195	9.7 K to 20.2 K (+108.30 %)
Jan 20 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	M	0.00	6,024	0	193,716
Jan 20 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Payment of Exercise	F	0.00	2,335	0	61,672	64 K to 61.7 K (-3.65 %)
Jan 20 2011	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Buy	M	0.00	6,024	0	64,007	58 K to 64 K (+10.39 %)
Jan 20 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	0.00	14,724	0	245,416
Jan 20 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	5,029	0	9,695	14.7 K to 9.7 K (-34.16 %)
Jan 20 2011	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	0.00	14,724	0	14,724	0 to 14.7 K
Jan 20 2011	CMCSA	COMCAST CORP	Angelakis Michael J	EVP and CFO	Option Exercise	M	0.00	174,015	0	746,153
Jan 20 2011	CMCSA	COMCAST CORP	Angelakis Michael J	EVP and CFO	Payment of Exercise	F	0.00	75,060	0	391,514	466.6 K to 391.5 K (-16.09 %)
Jan 20 2011	CMCSA	COMCAST CORP	Angelakis Michael J	EVP and CFO	Buy	M	0.00	174,015	0	466,574	292.6 K to 466.6 K (+59.48 %)
Jan 18 2011	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Option Exercise	M	0.00	5,058	0	22,797
Jan 18 2011	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Buy	M	0.00	5,058	0	25,169	20.1 K to 25.2 K (+25.15 %)
Jan 04 2011	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Grant	A	0.00	335	0	48,516	48.2 K to 48.5 K (+0.70 %)
Jan 04 2011	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Grant	A	0.00	335	0	4,876	4.5 K to 4.9 K (+7.38 %)
Jan 04 2011	CMCSA	COMCAST CORP	Collins Joseph J	Director	Grant	A	0.00	335	0	8,963	8.6 K to 9 K (+3.88 %)
Jan 04 2011	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Grant	A	0.00	335	0	20,111	19.8 K to 20.1 K (+1.69 %)
Jan 04 2011	CMCSA	COMCAST CORP	ANSTROM S DECKER	Director	Grant	A	0.00	335	0	12,006	11.7 K to 12 K (+2.87 %)
Jan 04 2011	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Sell	S	21.11	30,000	633,204	867,160	897.2 K to 867.2 K (-3.34 %)
Dec 20 2010	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Sell	S	21.48	18,116	389,133	57,983	76.1 K to 58 K (-23.81 %)
Dec 17 2010	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Gift	G	0.00	500	0	611,705	612.2 K to 611.7 K (-0.08 %)
Dec 17 2010	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Gift	G	0.00	66,500	0	326,172	392.7 K to 326.2 K (-16.94 %)
Dec 17 2010	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Payment of Exercise	F	0.00	2,000	0	204,181	206.2 K to 204.2 K (-0.97 %)
Dec 17 2010	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Grant	A	0.00	5,785	0	206,181	200.4 K to 206.2 K (+2.89 %)
Dec 17 2010	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Payment of Exercise	F	0.00	20,365	0	191,384	211.7 K to 191.4 K (-9.62 %)
Dec 17 2010	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Grant	A	0.00	46,275	0	211,749	165.5 K to 211.7 K (+27.97 %)
Dec 13 2010	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Gift	G	0.00	12,705	0	165,474	178.2 K to 165.5 K (-7.13 %)
Dec 13 2010	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Gift	G	0.00	3,025	0	178,179	181.2 K to 178.2 K (-1.67 %)
Dec 02 2010	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Sell	S	19.66	30,000	589,713	897,160	927.2 K to 897.2 K (-3.24 %)
Nov 23 2010	CMCSA	COMCAST CORP	SOVERN MICHAEL I	Director	Option Exercise	F	0.00	215	0	39,294
Nov 23 2010	CMCSA	COMCAST CORP	SOVERN MICHAEL I	Director	Option Exercise	A	0.00	6,127	0	39,509
Nov 23 2010	CMCSA	COMCAST CORP	RODIN JUDITH	Director	Option Exercise	F	0.00	215	0	39,294
Nov 23 2010	CMCSA	COMCAST CORP	RODIN JUDITH	Director	Option Exercise	A	0.00	6,127	0	39,509
Nov 23 2010	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Option Exercise	F	0.00	215	0	27,827

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