Stocks
CMCSA Comcast Corp

CMCSA

Comcast Corp

Company with tickers: CMCSA, CCZ

CIK

1166691

CUSIP

20030N101

Shares Outstanding

3,562,784,182

Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-19	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Other	286,044	—	—	286,044
2026-05-19	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Gift	202,500	—	—	5,697,826
2026-05-19	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Other	15,772,421	—	—	15,772,421
2026-05-11	BREEN EDWARD D	Director	Gift	32,440	—	—	88,962
2026-04-03	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	5,268	—	—	64,435
2026-04-03	Murdock Daniel C.	EVP & Chief Accounting Officer	Tax	2,073	$27.93	$57,899	62,362
2026-04-03	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	5,268	—	—	48,290
2026-03-31	BREEN EDWARD D	Director	Award	697	—	—	56,522
2026-03-31	Brady Louise F.	Director	Award	1,176	—	—	32,682
2026-03-31	Baltimore Thomas J Jr	Director	Other	477	—	—	477
2026-03-31	Smith Gordon	Director	Award	1,176	—	—	9,045
2026-03-31	Honickman Jeffrey A	Director	Other	20,150	—	—	20,150
2026-03-31	Honickman Jeffrey A	Director	Award	1,524	—	—	262,583
2026-03-31	Baltimore Thomas J Jr	Director	Award	1,176	—	—	39,043
2026-03-17	Khoury Jennifer	Chief Communications Officer	Tax	10,514	$30.08	$316,261	60,538
2026-03-17	Khoury Jennifer	Chief Communications Officer	Convert	10,867	$28.38	$308,405	0
2026-03-17	Khoury Jennifer	Chief Communications Officer	Convert	10,867	$28.38	$308,405	71,052
2026-03-17	BREEN EDWARD D	Director	Gift	30,000	—	—	55,825
2026-03-05	Armstrong Jason	CFO	Tax	69,003	$31.75	$2,190,983	98,902
2026-03-05	Armstrong Jason	CFO	Convert	73,497	$28.38	$2,085,845	172,399
2026-03-05	Armstrong Jason	CFO	Sell	4,494	$31.74	$142,617	167,905
2026-03-05	Armstrong Jason	CFO	Convert	73,497	$28.38	$2,085,845	0
2026-03-01	Cavanagh Michael J	Director, Co-CEO	Other	238,540	—	—	238,540
2026-03-01	Cavanagh Michael J	Director, Co-CEO	Convert	34,980	—	—	73,613
2026-03-01	Cavanagh Michael J	Director, Co-CEO	Convert	34,980	—	—	291,007
2026-03-01	Cavanagh Michael J	Director, Co-CEO	Other	171,000	—	—	171,000
2026-03-01	Cavanagh Michael J	Director, Co-CEO	Tax	34,980	$30.96	$1,082,981	38,633
2026-03-01	Reid Thomas J.	Chief Legal Officer, Secretary	Tax	48,665	$30.96	$1,506,668	174,809
2026-03-01	Reid Thomas J.	Chief Legal Officer, Secretary	Convert	93,142	—	—	223,474
2026-03-01	Reid Thomas J.	Chief Legal Officer, Secretary	Convert	93,142	—	—	0
2026-03-01	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Other	286,044	—	—	286,044
2026-03-01	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Tax	45,578	$30.96	$1,411,095	5,893,392
2026-03-01	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Convert	45,578	—	—	382,860
2026-03-01	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Other	15,772,421	—	—	15,772,421
2026-03-01	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Convert	45,578	—	—	5,938,970
2026-03-01	Khoury Jennifer	Chief Communications Officer	Convert	2,873	—	—	25,073
2026-03-01	Khoury Jennifer	Chief Communications Officer	Tax	1,967	$30.96	$60,898	63,058
2026-03-01	Khoury Jennifer	Chief Communications Officer	Convert	4,254	—	—	60,688
2026-03-01	Khoury Jennifer	Chief Communications Officer	Convert	2,873	—	—	63,561
2026-03-01	Khoury Jennifer	Chief Communications Officer	Convert	2,724	—	—	6,978
2026-03-01	Khoury Jennifer	Chief Communications Officer	Convert	2,724	—	—	66,285
2026-03-01	Khoury Jennifer	Chief Communications Officer	Convert	4,254	—	—	2,724
2026-03-01	Khoury Jennifer	Chief Communications Officer	Tax	1,260	$30.96	$39,010	65,025
2026-03-01	Khoury Jennifer	Chief Communications Officer	Tax	2,873	$30.96	$88,948	60,185
2026-03-01	Armstrong Jason	CFO	Convert	5,813	—	—	12,691
2026-03-01	Armstrong Jason	CFO	Convert	93,142	—	—	0
2026-03-01	Armstrong Jason	CFO	Convert	5,813	—	—	142,209
2026-03-01	Armstrong Jason	CFO	Convert	4,540	—	—	146,749
2026-03-01	Armstrong Jason	CFO	Tax	2,099	$30.96	$64,985	144,650
2026-03-01	Armstrong Jason	CFO	Convert	4,540	—	—	18,504
2026-03-01	Armstrong Jason	CFO	Convert	93,142	—	—	136,396
2026-03-01	Armstrong Jason	CFO	Tax	43,060	$30.96	$1,333,138	98,902
2026-03-01	Armstrong Jason	CFO	Tax	2,688	$30.96	$83,220	141,962
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	4,060	—	—	53,139
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Tax	1,012	$30.96	$31,332	59,167
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	3,163	—	—	61,493
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	3,875	—	—	57,618
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	3,875	—	—	57,014
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	2,270	—	—	64,656
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	3,163	—	—	60,177
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	4,060	—	—	53,558
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Tax	553	$30.96	$17,121	61,894
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Tax	771	$30.96	$23,870	61,123
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	2,270	—	—	62,447
2026-03-01	Murdock Daniel C.	EVP & Chief Accounting Officer	Tax	944	$30.96	$29,226	60,179
2026-02-24	Khoury Jennifer	Chief Communications Officer	Award	27,946	—	—	27,946
2026-02-24	Reid Thomas J.	Chief Legal Officer, Secretary	Award	93,142	—	—	93,142
2026-02-24	Armstrong Jason	CFO	Award	93,142	—	—	93,142
2026-02-24	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Award	428,438	—	—	428,438
2026-02-24	Cavanagh Michael J	Director, Co-CEO	Award	325,987	—	—	325,987
2026-02-11	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Convert	984,320	$28.38	$27,935,002	0
2026-02-11	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Convert	984,320	$28.38	$27,935,002	6,801,045
2026-02-11	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Other	286,044	—	—	286,044
2026-02-11	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Other	15,772,421	—	—	15,772,421
2026-02-11	ROBERTS BRIAN L	Director, Chairman of Board & Co-CEO	Tax	907,653	$32.70	$29,675,715	5,893,392
2026-02-11	Cavanagh Michael J	Director, Co-CEO	Convert	294,495	$28.38	$8,357,768	0
2026-02-11	Cavanagh Michael J	Director, Co-CEO	Convert	441,743	$28.38	$12,536,666	680,283
2026-02-11	Cavanagh Michael J	Director, Co-CEO	Tax	294,495	$32.66	$9,618,207	38,633
2026-02-11	Cavanagh Michael J	Director, Co-CEO	Tax	383,796	$32.67	$12,536,696	238,540
2026-02-11	Cavanagh Michael J	Director, Co-CEO	Convert	294,495	$28.38	$8,357,768	333,128
2026-02-11	Cavanagh Michael J	Director, Co-CEO	Convert	441,743	$28.38	$12,536,666	0
2026-02-11	Cavanagh Michael J	Director, Co-CEO	Other	171,000	—	—	171,000
2026-02-11	Cavanagh Michael J	Director, Co-CEO	Sell	57,947	$32.66	$1,892,549	622,336
2026-02-04	Smith Gordon	Director	Award	7,869	—	—	7,869
2026-02-04	Smith Gordon	Director	Other	0	—	—	0
2026-02-03	NAKAHARA ASUKA	Director	Sell	8,275	$29.70	$245,768	57,957
2026-02-02	Cavanagh Michael J	Director, Co-CEO	Inheritance	50,320	$29.59	$1,488,969	274,635
2026-02-02	Murdock Daniel C.	EVP & Chief Accounting Officer	Award	57,452	—	—	57,452
2026-01-20	Honickman Jeffrey A	Director	Award	1,541	—	—	261,059
2026-01-20	Honickman Jeffrey A	Director	Other	20,150	—	—	20,150
2026-01-20	Armstrong Jason	CFO	Tax	3,950	$28.42	$112,259	43,254
2026-01-20	Armstrong Jason	CFO	Convert	8,150	—	—	47,204
2026-01-20	Armstrong Jason	CFO	Convert	8,150	—	—	23,044
2026-01-20	Bell Madeline S.	Director	Convert	5,096	—	—	56,859
2026-01-20	Bell Madeline S.	Director	Other	400	—	—	400
2026-01-20	Bell Madeline S.	Director	Convert	5,096	—	—	17,084
2026-01-20	Baltimore Thomas J Jr	Director	Other	477	—	—	477
2026-01-20	Baltimore Thomas J Jr	Director	Award	1,189	—	—	37,867
2026-01-20	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	1,609	—	—	66,926
2026-01-20	Murdock Daniel C.	EVP & Chief Accounting Officer	Convert	1,609	—	—	49,557