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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
Sep 20 2018	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Sell	J	0.00	216,343	0	13,712,646	13.9 M to 13.7 M (-1.55 %)
Sep 20 2018	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Buy	J	0.00	216,343	0	13,712,646	13.5 M to 13.7 M (+1.60 %)
Jul 03 2018	CMCSA	COMCAST CORP	NOVAK DAVID C	Director	Payment of Exercise	F	32.81	5	164	331,143	331.1 K to 331.1 K (0.00 %)
Jul 03 2018	CMCSA	COMCAST CORP	NOVAK DAVID C	Director	Grant	A	0.00	420	0	331,148	330.7 K to 331.1 K (+0.13 %)
Jul 03 2018	CMCSA	COMCAST CORP	NAKAHARA ASUKA	Director	Payment of Exercise	F	32.81	4	131	6,287	6.3 K to 6.3 K (-0.06 %)
Jul 03 2018	CMCSA	COMCAST CORP	NAKAHARA ASUKA	Director	Grant	A	0.00	420	0	6,291	5.9 K to 6.3 K (+7.15 %)
Jul 03 2018	CMCSA	COMCAST CORP	Montiel Maritza Gomez	Director	Payment of Exercise	F	32.81	5	164	840	845 to 840 (-0.59 %)
Jul 03 2018	CMCSA	COMCAST CORP	Montiel Maritza Gomez	Director	Grant	A	0.00	420	0	845	425 to 845 (+98.82 %)
Jul 03 2018	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Payment of Exercise	F	32.81	17	558	132,166	132.2 K to 132.2 K (-0.01 %)
Jul 03 2018	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Grant	A	0.00	420	0	132,183	131.8 K to 132.2 K (+0.32 %)
Jul 03 2018	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Payment of Exercise	F	32.81	5	164	29,252	29.3 K to 29.3 K (-0.02 %)
Jul 03 2018	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Grant	A	0.00	420	0	29,257	28.8 K to 29.3 K (+1.46 %)
Jul 03 2018	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Gift	G	0.00	1,569	0	0	1.6 K to 0 (-100.00 %)
Jul 03 2018	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Payment of Exercise	F	32.81	5	164	120,018	120 K to 120 K (0.00 %)
Jul 03 2018	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Grant	A	0.00	420	0	120,023	119.6 K to 120 K (+0.35 %)
Jul 03 2018	CMCSA	COMCAST CORP	Bell Madeline S.	Director	Payment of Exercise	F	32.81	17	558	6,160	6.2 K to 6.2 K (-0.28 %)
Jul 03 2018	CMCSA	COMCAST CORP	Bell Madeline S.	Director	Grant	A	0.00	420	0	6,177	5.8 K to 6.2 K (+7.30 %)
Jun 14 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Option Exercise	M	0.00	2,580	0	44,560
Jun 14 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Sell	S	31.05	1,694	52,599	725	2.4 K to 725 (-70.03 %)
Jun 14 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Payment of Exercise	F	32.38	886	28,689	2,419	3.3 K to 2.4 K (-26.81 %)
Jun 14 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Buy	M	0.00	2,580	0	3,305	725 to 3.3 K (+355.86 %)
Jun 12 2018	CMCSA	COMCAST CORP	Montiel Maritza Gomez	Director	Option Exercise	F	0.00	26	0	2,865
Jun 12 2018	CMCSA	COMCAST CORP	Montiel Maritza Gomez	Director	Option Exercise	A	0.00	2,891	0	2,891
May 16 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Option Exercise	M	0.00	10,098	0	57,222
May 16 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Payment of Exercise	F	32.14	4,620	148,487	698,751	703.4 K to 698.8 K (-0.66 %)
May 16 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Buy	M	0.00	10,098	0	703,371	693.3 K to 703.4 K (+1.46 %)
May 16 2018	CMCSA	COMCAST CORP	Cavanagh Michael J	CFO	Option Exercise	M	0.00	21,192	0	243,988
May 16 2018	CMCSA	COMCAST CORP	Cavanagh Michael J	CFO	Payment of Exercise	F	32.01	10,250	328,103	131,629	141.9 K to 131.6 K (-7.22 %)
May 16 2018	CMCSA	COMCAST CORP	Cavanagh Michael J	CFO	Buy	M	0.00	21,192	0	141,879	120.7 K to 141.9 K (+17.56 %)
May 09 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Option Exercise	A	0.00	67,320	0	67,320
Apr 19 2018	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Option Exercise	M	0.00	2,674	0	2,946
Apr 19 2018	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Payment of Exercise	F	33.27	2,674	88,964	552,816	555.5 K to 552.8 K (-0.48 %)
Apr 19 2018	CMCSA	COMCAST CORP	ROBERTS BRIAN L	Chairman of Board, ...	Buy	M	0.00	2,674	0	555,490	552.8 K to 555.5 K (+0.48 %)
Apr 19 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Option Exercise	M	0.00	5,010	0	100,750
Apr 19 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Payment of Exercise	F	33.27	2,292	76,255	693,273	695.6 K to 693.3 K (-0.33 %)
Apr 19 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Buy	M	0.00	5,010	0	695,565	690.6 K to 695.6 K (+0.73 %)
Apr 19 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Option Exercise	M	0.00	1,395	0	7,185
Apr 19 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Sell	S	33.20	916	30,411	725	1.6 K to 725 (-55.82 %)
Apr 19 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Payment of Exercise	F	33.27	479	15,936	1,641	2.1 K to 1.6 K (-22.59 %)
Apr 19 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Buy	M	0.00	1,395	0	2,120	725 to 2.1 K (+192.41 %)
Apr 19 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Option Exercise	M	0.00	17,192	0	586,951
Apr 19 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Payment of Exercise	F	33.27	8,154	271,284	487,523	495.7 K to 487.5 K (-1.65 %)
Apr 19 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Buy	M	0.00	17,192	0	495,677	478.5 K to 495.7 K (+3.59 %)
Apr 19 2018	CMCSA	COMCAST CORP	Cavanagh Michael J	CFO	Option Exercise	M	0.00	18,342	0	265,180
Apr 19 2018	CMCSA	COMCAST CORP	Cavanagh Michael J	CFO	Payment of Exercise	F	33.27	8,871	295,138	120,687	129.6 K to 120.7 K (-6.85 %)
Apr 19 2018	CMCSA	COMCAST CORP	Cavanagh Michael J	CFO	Buy	M	0.00	18,342	0	129,558	111.2 K to 129.6 K (+16.49 %)
Apr 19 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Option Exercise	M	0.00	24,525	0	660,611
Apr 19 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Payment of Exercise	F	33.27	13,095	435,671	211,878	225 K to 211.9 K (-5.82 %)
Apr 19 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Buy	M	0.00	24,525	0	224,973	200.4 K to 225 K (+12.24 %)
Apr 19 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	0.00	3,510	0	129,342
Apr 19 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	33.27	1,544	51,369	60,544	62.1 K to 60.5 K (-2.49 %)
Apr 19 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	0.00	3,510	0	62,088	58.6 K to 62.1 K (+5.99 %)
Apr 03 2018	CMCSA	COMCAST CORP	RODGERS JOHNATHAN A	Director	Payment of Exercise	F	34.17	3	103	65,627	65.6 K to 65.6 K (0.00 %)
Apr 03 2018	CMCSA	COMCAST CORP	RODGERS JOHNATHAN A	Director	Grant	A	0.00	403	0	65,630	65.2 K to 65.6 K (+0.62 %)
Apr 03 2018	CMCSA	COMCAST CORP	NOVAK DAVID C	Director	Payment of Exercise	F	34.17	5	171	330,728	330.7 K to 330.7 K (0.00 %)
Apr 03 2018	CMCSA	COMCAST CORP	NOVAK DAVID C	Director	Grant	A	0.00	403	0	330,733	330.3 K to 330.7 K (+0.12 %)
Apr 03 2018	CMCSA	COMCAST CORP	NAKAHARA ASUKA	Director	Payment of Exercise	F	34.17	3	103	5,871	5.9 K to 5.9 K (-0.05 %)
Apr 03 2018	CMCSA	COMCAST CORP	NAKAHARA ASUKA	Director	Grant	A	0.00	403	0	5,874	5.5 K to 5.9 K (+7.37 %)
Apr 03 2018	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Payment of Exercise	F	34.17	16	547	131,763	131.8 K to 131.8 K (-0.01 %)
Apr 03 2018	CMCSA	COMCAST CORP	Honickman Jeffrey A	Director	Grant	A	0.00	403	0	131,779	131.4 K to 131.8 K (+0.31 %)
Apr 03 2018	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Payment of Exercise	F	34.17	5	171	28,837	28.8 K to 28.8 K (-0.02 %)
Apr 03 2018	CMCSA	COMCAST CORP	HASSELL GERALD L	Director	Grant	A	0.00	403	0	28,842	28.4 K to 28.8 K (+1.42 %)
Apr 03 2018	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Payment of Exercise	F	34.17	5	171	112,328	112.3 K to 112.3 K (0.00 %)
Apr 03 2018	CMCSA	COMCAST CORP	BREEN EDWARD D	Director	Grant	A	0.00	403	0	112,333	111.9 K to 112.3 K (+0.36 %)
Apr 03 2018	CMCSA	COMCAST CORP	Bell Madeline S.	Director	Payment of Exercise	F	34.17	16	547	5,757	5.8 K to 5.8 K (-0.28 %)
Apr 03 2018	CMCSA	COMCAST CORP	Bell Madeline S.	Director	Grant	A	0.00	403	0	5,773	5.4 K to 5.8 K (+7.50 %)
Mar 28 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Option Exercise	M	9.49	168,600	1,600,014	0
Mar 28 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Option Exercise	M	9.49	391,400	3,714,386	0
Mar 28 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Payment of Exercise	F	32.99	48,500	1,600,015	120,100	168.6 K to 120.1 K (-28.77 %)
Mar 28 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Buy	M	9.49	168,600	1,600,014	168,600	0 to 168.6 K
Mar 28 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Payment of Exercise	F	32.99	286,254	9,443,519	477,876	764.1 K to 477.9 K (-37.46 %)
Mar 28 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Buy	M	9.49	391,400	3,714,386	764,130	372.7 K to 764.1 K (+105.01 %)
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	7.27	14,100	102,507	14,100
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	9.17	14,180	130,031	28,360
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	12.51	10,300	128,853	30,900
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	33.65	7,742	260,518	58,578	66.3 K to 58.6 K (-11.67 %)
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Sell	S	33.69	6,358	214,201	66,320	72.7 K to 66.3 K (-8.75 %)
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	7.27	14,100	102,507	72,678	58.6 K to 72.7 K (+24.07 %)
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	33.75	8,241	278,093	58,578	66.8 K to 58.6 K (-12.33 %)
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	33.75	6,572	221,772	66,819	73.4 K to 66.8 K (-8.95 %)
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Sell	S	33.71	5,939	200,222	73,391	79.3 K to 73.4 K (-7.49 %)
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Sell	S	33.70	3,728	125,630	79,330	83.1 K to 79.3 K (-4.49 %)
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	12.51	10,300	128,853	83,058	72.8 K to 83.1 K (+14.16 %)
Mar 28 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	9.17	14,180	130,031	72,758	58.6 K to 72.8 K (+24.21 %)
Mar 26 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Option Exercise	M	0.00	24,240	0	105,760
Mar 26 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Payment of Exercise	F	33.23	11,089	368,487	689,946	701 K to 689.9 K (-1.58 %)
Mar 26 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Buy	M	0.00	24,240	0	701,035	676.8 K to 701 K (+3.58 %)
Mar 26 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Option Exercise	M	0.00	73,200	0	604,143
Mar 26 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Payment of Exercise	F	33.23	34,716	1,153,613	372,730	407.4 K to 372.7 K (-8.52 %)
Mar 26 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Buy	M	0.00	73,200	0	407,446	334.2 K to 407.4 K (+21.90 %)
Mar 26 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Option Exercise	M	0.00	91,440	0	685,136
Mar 26 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Payment of Exercise	F	33.23	48,822	1,622,355	799,839	848.7 K to 799.8 K (-5.75 %)
Mar 26 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Buy	M	0.00	91,440	0	848,661	757.2 K to 848.7 K (+12.08 %)
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	15.00	9,710	145,601	38,840
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	0.00	13,920	0	3,114
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	20.61	24,420	503,296	40,700
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Sell	S	33.51	7,792	261,141	58,578	66.4 K to 58.6 K (-11.74 %)
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	33.41	6,632	221,575	66,370	73 K to 66.4 K (-9.08 %)
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Sell	S	33.42	3,078	102,873	73,002	76.1 K to 73 K (-4.05 %)
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	15.00	9,710	145,601	76,080	66.4 K to 76.1 K (+14.63 %)
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	34.07	18,871	642,935	66,370	85.2 K to 66.4 K (-22.14 %)
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	33.23	6,128	203,633	85,241	91.4 K to 85.2 K (-6.71 %)
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Sell	S	34.07	5,549	189,071	91,369	96.9 K to 91.4 K (-5.73 %)
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Sell	S	34.17	2,420	82,691	96,918	99.3 K to 96.9 K (-2.44 %)
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	0.00	13,920	0	99,338	85.4 K to 99.3 K (+16.30 %)
Mar 26 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	20.61	24,420	503,296	85,418	61 K to 85.4 K (+40.03 %)
Mar 22 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Option Exercise	M	0.00	7,500	0	130,000
Mar 22 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Option Exercise	M	0.00	6,300	0	137,500
Mar 22 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Payment of Exercise	F	34.49	3,431	118,335	676,795	680.2 K to 676.8 K (-0.50 %)
Mar 22 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Buy	M	0.00	7,500	0	680,226	672.7 K to 680.2 K (+1.11 %)
Mar 22 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Payment of Exercise	F	34.57	2,882	99,631	672,726	675.6 K to 672.7 K (-0.43 %)
Mar 22 2018	CMCSA	COMCAST CORP	WATSON DAVID N	Sr. EVP	Buy	M	0.00	6,300	0	675,608	669.3 K to 675.6 K (+0.94 %)
Mar 22 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Option Exercise	M	0.00	16,590	0	677,343
Mar 22 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Option Exercise	M	0.00	13,950	0	693,933
Mar 22 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Payment of Exercise	F	34.49	7,868	271,367	334,246	342.1 K to 334.2 K (-2.30 %)
Mar 22 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Buy	M	0.00	16,590	0	342,114	325.5 K to 342.1 K (+5.10 %)
Mar 22 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Payment of Exercise	F	34.57	6,616	228,715	325,524	332.1 K to 325.5 K (-1.99 %)
Mar 22 2018	CMCSA	COMCAST CORP	COHEN DAVID L	Sr. EVP	Buy	M	0.00	13,950	0	332,140	318.2 K to 332.1 K (+4.38 %)
Mar 22 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Option Exercise	M	0.00	32,100	0	776,576
Mar 22 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Option Exercise	M	0.00	32,046	0	808,676
Mar 22 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Payment of Exercise	F	34.49	17,139	591,124	757,221	774.4 K to 757.2 K (-2.21 %)
Mar 22 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Buy	M	0.00	32,100	0	774,360	742.3 K to 774.4 K (+4.32 %)
Mar 22 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Payment of Exercise	F	34.57	17,111	591,527	742,260	759.4 K to 742.3 K (-2.25 %)
Mar 22 2018	CMCSA	COMCAST CORP	BURKE STEPHEN B	Sr. EVP	Buy	M	0.00	32,046	0	759,371	727.3 K to 759.4 K (+4.41 %)
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	0.00	4,320	0	17,034
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	25.00	25,720	643,000	25,720
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	0.00	4,410	0	21,354
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	35.01	21,491	752,400	60,998	82.5 K to 61 K (-26.05 %)
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Sell	S	35.01	4,229	148,057	82,489	86.7 K to 82.5 K (-4.88 %)
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Sell	S	34.55	2,471	85,373	86,718	89.2 K to 86.7 K (-2.77 %)
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	34.49	1,900	65,531	89,189	91.1 K to 89.2 K (-2.09 %)
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	0.00	4,320	0	91,089	86.8 K to 91.1 K (+4.98 %)
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	25.00	25,720	643,000	86,769	61 K to 86.8 K (+42.13 %)
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	34.57	1,939	67,031	61,049	63 K to 61 K (-3.08 %)
Mar 22 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	0.00	4,410	0	62,988	58.6 K to 63 K (+7.53 %)
Mar 20 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Option Exercise	M	0.00	1,860	0	47,140
Mar 20 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Option Exercise	M	0.00	1,020	0	49,000
Mar 20 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Option Exercise	A	0.00	10,500	0	50,020
Mar 20 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Option Exercise	A	35.83	52,300	1,873,909	52,300
Mar 20 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Sell	S	35.60	1,891	67,320	725	2.6 K to 725 (-72.29 %)
Mar 20 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Payment of Exercise	F	35.83	639	22,895	2,616	3.3 K to 2.6 K (-19.63 %)
Mar 20 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Payment of Exercise	F	35.83	350	12,541	3,255	3.6 K to 3.3 K (-9.71 %)
Mar 20 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Buy	M	0.00	1,020	0	3,605	2.6 K to 3.6 K (+39.46 %)
Mar 20 2018	CMCSA	COMCAST CORP	Murdock Daniel C.	SVP & Chief Account ...	Buy	M	0.00	1,860	0	2,585	725 to 2.6 K (+256.55 %)
Mar 20 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	M	0.00	4,410	0	25,764
Mar 20 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	A	0.00	24,400	0	30,174
Mar 20 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Option Exercise	A	35.83	122,500	4,389,175	122,500
Mar 20 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Sell	S	35.60	2,471	87,968	58,578	61 K to 58.6 K (-4.05 %)
Mar 20 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Payment of Exercise	F	35.83	1,939	69,474	61,049	63 K to 61 K (-3.08 %)
Mar 20 2018	CMCSA	COMCAST CORP	BLOCK ARTHUR R	EVP, GC and Secreta ...	Buy	M	0.00	4,410	0	62,988	58.6 K to 63 K (+7.53 %)

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