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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 17 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Option Exercise	M	0.00	20,250	0	54,000
Mar 17 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Payment of Exercise	F	0.00	10,545	0	230,078	240.6 K to 230.1 K (-4.38 %)
Mar 17 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Buy	M	0.00	24,984	0	240,623	215.6 K to 240.6 K (+11.59 %)
Mar 17 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Payment of Exercise	F	0.00	8,547	0	215,639	224.2 K to 215.6 K (-3.81 %)
Mar 17 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Buy	M	0.00	20,250	0	224,186	203.9 K to 224.2 K (+9.93 %)
Mar 17 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	0.00	3,840	0	17,920
Mar 17 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	0.00	4,388	0	11,700
Mar 17 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	1,655	0	22,818	24.5 K to 22.8 K (-6.76 %)
Mar 17 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	0.00	3,840	0	24,473	20.6 K to 24.5 K (+18.61 %)
Mar 17 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	1,891	0	20,633	22.5 K to 20.6 K (-8.40 %)
Mar 17 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	0.00	4,388	0	22,524	18.1 K to 22.5 K (+24.19 %)
Mar 11 2009	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	M	0.00	5,557	0	20,378
Mar 11 2009	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	M	0.00	6,000	0	0
Mar 11 2009	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Payment of Exercise	F	0.00	1,986	0	58,942	60.9 K to 58.9 K (-3.26 %)
Mar 11 2009	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Buy	M	0.00	5,557	0	60,928	55.4 K to 60.9 K (+10.04 %)
Mar 11 2009	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Payment of Exercise	F	0.00	2,145	0	55,371	57.5 K to 55.4 K (-3.73 %)
Mar 11 2009	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Buy	M	0.00	6,000	0	57,516	51.5 K to 57.5 K (+11.65 %)
Mar 11 2009	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Option Exercise	M	0.00	21,825	0	80,025
Mar 11 2009	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Payment of Exercise	F	0.00	7,541	0	50,325	57.9 K to 50.3 K (-13.03 %)
Mar 11 2009	CMCSA	COMCAST CORP	ROBERTS RALPH J	Director	Buy	M	0.00	21,825	0	57,866	36 K to 57.9 K (+60.56 %)
Mar 11 2009	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Option Exercise	M	0.00	45,225	0	165,825
Mar 11 2009	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Option Exercise	M	0.00	66,000	0	0
Mar 11 2009	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Payment of Exercise	F	0.00	19,678	0	249,265	268.9 K to 249.3 K (-7.32 %)
Mar 11 2009	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Buy	M	0.00	45,225	0	268,943	223.7 K to 268.9 K (+20.22 %)
Mar 11 2009	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Payment of Exercise	F	0.00	28,717	0	223,718	252.4 K to 223.7 K (-11.38 %)
Mar 11 2009	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Buy	M	0.00	66,000	0	252,435	186.4 K to 252.4 K (+35.40 %)
Mar 11 2009	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Option Exercise	M	0.00	21,037	0	77,138
Mar 11 2009	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Option Exercise	M	0.00	60,000	0	0
Mar 11 2009	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Payment of Exercise	F	0.00	9,154	0	184,402	193.6 K to 184.4 K (-4.73 %)
Mar 11 2009	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Buy	M	0.00	21,037	0	193,556	172.5 K to 193.6 K (+12.19 %)
Mar 11 2009	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Payment of Exercise	F	0.00	26,106	0	172,519	198.6 K to 172.5 K (-13.14 %)
Mar 11 2009	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Buy	M	0.00	60,000	0	198,625	138.6 K to 198.6 K (+43.28 %)
Mar 11 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Option Exercise	M	0.00	36,180	0	132,660
Mar 11 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Payment of Exercise	F	0.00	15,270	0	203,936	219.2 K to 203.9 K (-6.97 %)
Mar 11 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Buy	M	0.00	36,180	0	219,206	183 K to 219.2 K (+19.77 %)
Mar 11 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	0.00	5,557	0	20,378
Mar 11 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	0.00	6,000	0	0
Mar 11 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	2,394	0	18,136	20.5 K to 18.1 K (-11.66 %)
Mar 11 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	0.00	5,557	0	20,530	15 K to 20.5 K (+37.11 %)
Mar 11 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	2,585	0	14,973	17.6 K to 15 K (-14.72 %)
Mar 11 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	0.00	6,000	0	17,558	11.6 K to 17.6 K (+51.91 %)
Feb 27 2009	CMCSA	COMCAST CORP	COMCAST CORP	10% Owner	Option Exercise	J	0.00	9,264,705	0	61,764,705
Feb 27 2009	CMCSA	COMCAST CORP	COMCAST CORP	10% Owner	Option Exercise	J	0.00	9,264,705	0	61,764,705
Jan 29 2009	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Grant	A	0.00	17	0	44,748	44.7 K to 44.7 K (+0.04 %)
Jan 29 2009	CMCSA	COMCAST CORP	RODIN JUDITH	Director	Grant	A	0.00	27	0	6,968	6.9 K to 7 K (+0.39 %)
Jan 29 2009	CMCSA	COMCAST CORP	COOK J MICHAEL	Director	Grant	A	0.00	21	0	6,832	6.8 K to 6.8 K (+0.31 %)
Jan 29 2009	CMCSA	COMCAST CORP	Collins Joseph J	Director	Grant	A	0.00	20	0	5,163	5.1 K to 5.2 K (+0.39 %)
Jan 29 2009	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Grant	A	0.00	19	0	4,881	4.9 K to 4.9 K (+0.39 %)
Jan 29 2009	CMCSA	COMCAST CORP	ANSTROM S DECKER	Director	Grant	A	0.00	32	0	8,103	8.1 K to 8.1 K (+0.40 %)
Jan 21 2009	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	M	0.00	3,937	0	14,437
Jan 21 2009	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Payment of Exercise	F	0.00	1,642	0	51,516	53.2 K to 51.5 K (-3.09 %)
Jan 21 2009	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Buy	M	0.00	3,937	0	53,158	49.2 K to 53.2 K (+8.00 %)
Jan 21 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	0.00	3,937	0	14,437
Jan 21 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	0.00	1,514	0	11,558	13.1 K to 11.6 K (-11.58 %)
Jan 21 2009	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	0.00	3,937	0	13,072	9.1 K to 13.1 K (+43.10 %)
Jan 20 2009	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Option Exercise	M	0.00	3,676	0	13,806
Jan 20 2009	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Payment of Exercise	F	15.01	1,544	23,175	11,343	12.9 K to 11.3 K (-11.98 %)
Jan 20 2009	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Buy	M	0.00	3,676	0	12,887	9.2 K to 12.9 K (+39.91 %)
Jan 05 2009	CMCSA	COMCAST CORP	RODIN JUDITH	Director	Grant	A	0.00	417	0	6,941	6.5 K to 6.9 K (+6.39 %)
Jan 05 2009	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Grant	A	0.00	417	0	44,731	44.3 K to 44.7 K (+0.94 %)
Jan 05 2009	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Grant	A	0.00	417	0	5,398	5 K to 5.4 K (+8.37 %)
Jan 05 2009	CMCSA	COMCAST CORP	Collins Joseph J	Director	Grant	A	0.00	417	0	5,143	4.7 K to 5.1 K (+8.82 %)
Jan 05 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Option Exercise	M	0.00	75,000	0	0
Jan 05 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Payment of Exercise	F	0.00	31,676	0	182,388	214.1 K to 182.4 K (-14.80 %)
Jan 05 2009	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Buy	M	0.00	75,000	0	214,064	139.1 K to 214.1 K (+53.93 %)
Jan 05 2009	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Grant	A	0.00	417	0	4,862	4.4 K to 4.9 K (+9.38 %)
Jan 05 2009	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Option Exercise	M	0.00	58,453	0	0
Jan 05 2009	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Payment of Exercise	F	17.29	24,550	424,470	33,902	58.5 K to 33.9 K (-42.00 %)
Jan 05 2009	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Buy	M	0.00	58,452	0	58,452	0 to 58.5 K
Jan 05 2009	CMCSA	COMCAST CORP	ANSTROM S DECKER	Director	Grant	A	0.00	417	0	8,072	7.7 K to 8.1 K (+5.45 %)
Dec 15 2008	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Gift	G	0.00	5,079	0	791	5.9 K to 791 (-86.52 %)
Dec 15 2008	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Gift	G	0.00	8,071	0	106,816	114.9 K to 106.8 K (-7.03 %)
Dec 10 2008	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Grant	A	0.00	7,617	0	203,431	195.8 K to 203.4 K (+3.89 %)
Dec 15 2008	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Gift	G	0.00	7,290	0	2,347	9.6 K to 2.3 K (-75.65 %)
Nov 24 2008	CMCSA	COMCAST CORP	SOVERN MICHAEL I	Director	Option Exercise	A	0.00	9,398	0	25,055
Nov 24 2008	CMCSA	COMCAST CORP	RODIN JUDITH	Director	Option Exercise	A	0.00	9,398	0	25,055
Nov 24 2008	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Option Exercise	A	0.00	9,398	0	19,527
Nov 24 2008	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Option Exercise	A	0.00	9,398	0	9,398
Nov 24 2008	CMCSA	COMCAST CORP	Collins Joseph J	Director	Option Exercise	A	0.00	9,398	0	25,055
Nov 24 2008	CMCSA	COMCAST CORP	COOK J MICHAEL	Director	Option Exercise	A	0.00	9,398	0	25,055
Nov 24 2008	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Payment of Exercise	F	13.30	3,952	52,562	9,211	13.2 K to 9.2 K (-30.02 %)
Nov 24 2008	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Grant	A	13.30	9,398	124,993	13,163	3.8 K to 13.2 K (+249.61 %)
Nov 24 2008	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Option Exercise	A	0.00	9,398	0	25,055
Nov 24 2008	CMCSA	COMCAST CORP	BACON KENNETH J	Director	Option Exercise	A	0.00	9,398	0	25,055
Nov 10 2008	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Sell	S	16.36	32,788	536,513	19,270	52.1 K to 19.3 K (-62.98 %)
Nov 10 2008	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Sell	S	16.24	37,000	600,906	131,792	168.8 K to 131.8 K (-21.92 %)
Nov 10 2008	CMCSA	COMCAST CORP	BONOVITZ SHELDON M	Director	Sell	S	16.24	8,274	134,370	0	8.3 K to 0 (-100.00 %)
Nov 24 2008	CMCSA	COMCAST CORP	ANSTROM S DECKER	Director	Option Exercise	A	0.00	9,398	0	25,055
Nov 13 2008	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Option Exercise	M	0.00	19,575	0	71,775
Nov 13 2008	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Payment of Exercise	F	0.00	8,527	0	114,887	123.4 K to 114.9 K (-6.91 %)
Nov 13 2008	CMCSA	COMCAST CORP	COHEN DAVID L	Executive Vice Pres ...	Buy	M	0.00	19,575	0	123,414	103.8 K to 123.4 K (+18.85 %)
Oct 30 2008	CMCSA	COMCAST CORP	RODIN JUDITH	Director	Grant	A	0.00	27	0	6,524	6.5 K to 6.5 K (+0.42 %)
Oct 30 2008	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Grant	A	0.00	16	0	44,314	44.3 K to 44.3 K (+0.04 %)
Oct 30 2008	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Grant	A	0.00	3	0	4,981	5 K to 5 K (+0.06 %)
Oct 30 2008	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Grant	A	0.00	18	0	4,445	4.4 K to 4.4 K (+0.41 %)
Oct 30 2008	CMCSA	COMCAST CORP	COOK J MICHAEL	Director	Grant	A	0.00	22	0	6,811	6.8 K to 6.8 K (+0.32 %)
Oct 30 2008	CMCSA	COMCAST CORP	Collins Joseph J	Director	Grant	A	0.00	19	0	4,726	4.7 K to 4.7 K (+0.40 %)
Oct 03 2008	CMCSA	COMCAST CORP	RODIN JUDITH	Director	Grant	A	0.00	388	0	6,497	6.1 K to 6.5 K (+6.35 %)
Oct 30 2008	CMCSA	COMCAST CORP	ANSTROM S DECKER	Director	Grant	A	0.00	31	0	7,655	7.6 K to 7.7 K (+0.41 %)
Oct 14 2008	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Gift	G	0.00	20,204	0	404,712	424.9 K to 404.7 K (-4.75 %)
Oct 14 2008	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Gift	G	0.00	210,057	0	1,222,065	1.4 M to 1.2 M (-14.67 %)
Oct 14 2008	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Gift	G	0.00	191,000	0	1,181,672	1.4 M to 1.2 M (-13.91 %)
Oct 03 2008	CMCSA	COMCAST CORP	ROBERTS RALPH J	Chairman-Exec & Fin ...	Gift	G	0.00	434,977	0	2,413,205	2.8 M to 2.4 M (-15.27 %)
Oct 03 2008	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Grant	A	0.00	388	0	4,978	4.6 K to 5 K (+8.45 %)
Oct 03 2008	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Grant	A	0.00	388	0	44,299	43.9 K to 44.3 K (+0.88 %)
Oct 03 2008	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Grant	A	0.00	388	0	4,427	4 K to 4.4 K (+9.61 %)
Oct 03 2008	CMCSA	COMCAST CORP	Collins Joseph J	Director	Grant	A	0.00	388	0	4,707	4.3 K to 4.7 K (+8.98 %)
Oct 03 2008	CMCSA	COMCAST CORP	ANSTROM S DECKER	Director	Grant	A	0.00	388	0	7,624	7.2 K to 7.6 K (+5.36 %)
Aug 01 2008	CMCSA	COMCAST CORP	COOK J MICHAEL	Director	Grant	A	0.00	33	0	6,790	6.8 K to 6.8 K (+0.49 %)
Aug 01 2008	CMCSA	COMCAST CORP	RODIN JUDITH	Director	Grant	A	0.00	36	0	6,110	6.1 K to 6.1 K (+0.59 %)
Aug 01 2008	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Grant	A	0.00	20	0	43,911	43.9 K to 43.9 K (+0.05 %)
Aug 01 2008	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Grant	A	0.00	1	0	4,590	4.6 K to 4.6 K (+0.02 %)
Aug 01 2008	CMCSA	COMCAST CORP	Collins Joseph J	Director	Grant	A	0.00	25	0	4,319	4.3 K to 4.3 K (+0.58 %)
Aug 01 2008	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Grant	A	0.00	24	0	4,039	4 K to 4 K (+0.60 %)
Aug 01 2008	CMCSA	COMCAST CORP	ANSTROM S DECKER	Director	Grant	A	0.00	43	0	7,236	7.2 K to 7.2 K (+0.60 %)
Jul 23 2008	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Grant	A	0.00	399	0	4,589	4.2 K to 4.6 K (+9.52 %)
Jul 02 2008	CMCSA	COMCAST CORP	RODIN JUDITH	Director	Grant	A	0.00	399	0	6,073	5.7 K to 6.1 K (+7.03 %)
Jul 02 2008	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Grant	A	0.00	399	0	43,891	43.5 K to 43.9 K (+0.92 %)
Jul 02 2008	CMCSA	COMCAST CORP	Collins Joseph J	Director	Grant	A	0.00	399	0	4,294	3.9 K to 4.3 K (+10.24 %)
Jul 02 2008	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Grant	A	0.00	399	0	4,016	3.6 K to 4 K (+11.03 %)
Jul 02 2008	CMCSA	COMCAST CORP	ANSTROM S DECKER	Director	Grant	A	0.00	399	0	7,193	6.8 K to 7.2 K (+5.87 %)
May 28 2008	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Option Exercise	M	11.29	750,000	8,468,700	0
May 28 2008	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Gift	G	0.00	21,599	0	324,693	346.3 K to 324.7 K (-6.24 %)
May 28 2008	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Payment of Exercise	F	21.59	569,655	12,298,851	1,064,234	1.6 M to 1.1 M (-34.86 %)
May 28 2008	CMCSA	COMCAST CORP	BRODSKY JULIAN A	Director	Buy	M	11.29	750,000	8,468,700	1,633,889	883.9 K to 1.6 M (+84.85 %)
May 27 2008	CMCSA	COMCAST CORP	ROBERTS RALPH J	Chairman-Exec & Fin ...	Option Exercise	M	11.29	1,499,136	16,927,644	0
May 27 2008	CMCSA	COMCAST CORP	ROBERTS RALPH J	Chairman-Exec & Fin ...	Payment of Exercise	F	21.87	1,061,016	23,204,420	2,571,617	3.6 M to 2.6 M (-29.21 %)
May 27 2008	CMCSA	COMCAST CORP	ROBERTS RALPH J	Chairman-Exec & Fin ...	Buy	M	11.29	1,499,136	16,927,644	3,632,633	2.1 M to 3.6 M (+70.27 %)
May 27 2008	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Option Exercise	M	11.29	2,089,136	23,589,688	0
May 27 2008	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Payment of Exercise	F	21.87	1,520,290	33,248,742	1,372,672	2.9 M to 1.4 M (-52.55 %)
May 27 2008	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Buy	M	11.29	2,089,136	23,589,688	2,892,962	803.8 K to 2.9 M (+259.90 %)
May 27 2008	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Option Exercise	M	11.39	291,345	3,319,031	0
May 27 2008	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Option Exercise	M	11.55	8,655	99,983	0
May 27 2008	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Sell	S	21.67	180,000	3,900,708	55,759	235.8 K to 55.8 K (-76.35 %)
May 27 2008	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Payment of Exercise	F	21.87	211,581	4,627,276	235,759	447.3 K to 235.8 K (-47.30 %)
May 27 2008	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Buy	M	11.39	291,345	3,319,031	447,340	156 K to 447.3 K (+186.77 %)
May 27 2008	CMCSA	COMCAST CORP	BURKE STEPHEN B	COO & Executive Vic ...	Buy	M	11.55	8,655	99,983	155,995	147.3 K to 156 K (+5.87 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Option Exercise	M	11.29	240,000	2,709,984	0
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	21.86	39,653	866,815	41,133	80.8 K to 41.1 K (-49.08 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	21.87	9,061	198,164	80,786	89.8 K to 80.8 K (-10.08 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	21.88	1,100	24,068	89,847	90.9 K to 89.8 K (-1.21 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	21.89	11,012	241,053	90,947	102 K to 90.9 K (-10.80 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	21.90	9,670	211,773	101,959	111.6 K to 102 K (-8.66 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	21.91	5,300	116,123	111,629	116.9 K to 111.6 K (-4.53 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Payment of Exercise	F	21.67	164,204	3,558,301	116,929	281.1 K to 116.9 K (-58.41 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Buy	M	11.29	240,000	2,709,984	281,133	41.1 K to 281.1 K (+583.47 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	22.16	2,501	55,422	9,135	11.6 K to 9.1 K (-21.49 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	22.17	8,800	195,096	11,636	20.4 K to 11.6 K (-43.06 %)
May 19 2008	CMCSA	COMCAST CORP	BLOCK ARTHUR R	SVP, GC and Secreta ...	Sell	S	22.17	2,000	44,346	20,436	22.4 K to 20.4 K (-8.91 %)
Apr 30 2008	CMCSA	COMCAST CORP	SALVA LAWRENCE J	SVP & Controller	Option Exercise	M	0.00	12,000	0	24,000

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