Activity — Comcast Corp.

90 moves.

Date	Actor	Action	Security	Value	Shares Δ	Position after	Impact
Feb 11, 2026	Roberts Brian L CEO	Other	Class A Common Stock	$29.68M	-908K -13.35%	5,893,393 0.17% of shares	low
Feb 11, 2026	Roberts Brian L CEO	Exercise	Class A Common Stock	$27.94M	+984K +16.92%	6,801,046 0.19% of shares	low
Feb 11, 2026	Cavanagh Michael J CEO	Other	Class A Common Stock	$12.54M	-384K -61.67%	238,540 <0.01% of shares	low
Feb 11, 2026	Cavanagh Michael J CEO	Exercise	Class A Common Stock	$12.54M	+442K +185.19%	680,283 0.02% of shares	low
Feb 11, 2026	Cavanagh Michael J CEO	Other	Class A Common Stock	$9.62M	-294K -88.40%	38,633 <0.01% of shares	low
Feb 11, 2026	Cavanagh Michael J CEO	Exercise	Class A Common Stock	$8.36M	+294K +762.29%	333,128 <0.01% of shares	low
Mar 5, 2026	Armstrong Jason Executive	Other	Class A Common Stock	$2.19M	-69K -41.10%	98,903 <0.01% of shares	low
Mar 5, 2026	Armstrong Jason Executive	Exercise	Class A Common Stock	$2.09M	+73K +74.31%	172,400 <0.01% of shares	low
Feb 11, 2026	Cavanagh Michael J CEO	Sell	Class A Common Stock	$1.89M	-58K -8.52%	622,336 0.02% of shares	medium
Mar 1, 2026	Reid Thomas J. Executive	Other	Class A Common Stock	$1.51M	-49K -21.78%	174,809 <0.01% of shares	low
Mar 1, 2026	Roberts Brian L CEO	Other	Class A Common Stock	$1.41M	-46K -0.77%	5,893,393 0.17% of shares	low
Mar 1, 2026	Armstrong Jason Executive	Other	Class A Common Stock	$1.33M	-43K -30.33%	98,903 <0.01% of shares	low
Mar 1, 2026	Cavanagh Michael J CEO	Other	Class A Common Stock	$1.08M	-35K -47.52%	38,633 <0.01% of shares	low
Mar 17, 2026	Khoury Jennifer Executive	Other	Class A Common Stock	$316.3K	-11K -14.80%	60,538 <0.01% of shares	low
Mar 17, 2026	Khoury Jennifer Executive	Exercise	Class A Common Stock	$308.4K	+11K +18.06%	71,052 <0.01% of shares	low
Feb 3, 2026	Nakahara Asuka Director	Sell	Class A Common Stock	$245.8K	-8K -12.49%	57,958 <0.01% of shares	medium
Mar 5, 2026	Armstrong Jason Executive	Sell	Class A Common Stock	$142.6K	-4K -2.61%	167,906 <0.01% of shares	medium
Jan 20, 2026	Reid Thomas J. Executive	Other	Class A Common Stock	$131.2K	-5K -3.46%	130,332 <0.01% of shares	low
Jan 20, 2026	Armstrong Jason Executive	Other	Class A Common Stock	$112.3K	-4K -8.37%	43,255 <0.01% of shares	low
Mar 1, 2026	Khoury Jennifer Executive	Other	Class A Common Stock	$88.9K	-3K -4.56%	60,185 <0.01% of shares	low
Mar 1, 2026	Armstrong Jason Executive	Other	Class A Common Stock	$83.2K	-3K -1.86%	141,963 <0.01% of shares	low
Mar 1, 2026	Armstrong Jason Executive	Other	Class A Common Stock	$65.0K	-2K -1.43%	144,651 <0.01% of shares	low
Mar 1, 2026	Khoury Jennifer Executive	Other	Class A Common Stock	$60.9K	-2K -3.02%	63,058 <0.01% of shares	low
Apr 3, 2026	Murdock Daniel C. Executive	Other	Class A Common Stock	$57.9K	-2K -3.22%	62,362 <0.01% of shares	low
Mar 1, 2026	Khoury Jennifer Executive	Other	Class A Common Stock	$39.0K	-1K -1.90%	65,025 <0.01% of shares	low
Mar 1, 2026	Murdock Daniel C. Executive	Other	Class A Common Stock	$31.3K	-1K -1.68%	59,167 <0.01% of shares	low
Mar 1, 2026	Murdock Daniel C. Executive	Other	Class A Common Stock	$29.2K	-944 -1.54%	60,179 <0.01% of shares	low
Mar 1, 2026	Murdock Daniel C. Executive	Other	Class A Common Stock	$23.9K	-771 -1.25%	61,123 <0.01% of shares	low
Mar 1, 2026	Murdock Daniel C. Executive	Other	Class A Common Stock	$17.1K	-553 -0.89%	61,894 <0.01% of shares	low
Jan 20, 2026	Murdock Daniel C. Executive	Other	Class A Common Stock	$13.6K	-478 -0.96%	49,079 <0.01% of shares	low
May 11, 2026	Breen Edward D Director	Gift	Class A Common Stock	$0	+32K +57.39%	88,962 <0.01% of shares	low
Apr 3, 2026	Murdock Daniel C. Executive	Exercise	Class A Common Stock	$0	+5K +8.90%	64,435 <0.01% of shares	low
Mar 31, 2026	Smith Gordon Director	Grant	Class A Common Stock	$0	+1K +14.94%	9,045 <0.01% of shares	low
Mar 31, 2026	Honickman Jeffrey A Director	Grant	Class A Common Stock	$0	+2K +0.58%	262,583 <0.01% of shares	low
Mar 31, 2026	Breen Edward D Director	Grant	Class A Common Stock	$0	+697 +1.25%	56,522 <0.01% of shares	low
Mar 31, 2026	Brady Louise F. Director	Grant	Class A Common Stock	$0	+1K +3.73%	32,683 <0.01% of shares	low
Mar 31, 2026	Baltimore Thomas J Jr Director	Grant	Class A Common Stock	$0	+1K +3.11%	39,043 <0.01% of shares	low
May 19, 2026	Roberts Brian L CEO	Gift	Class A Common Stock	$0	-203K -3.43%	5,697,826 0.16% of shares	low
Mar 1, 2026	Reid Thomas J. Executive	Exercise	Class A Common Stock	$0	+93K +71.47%	223,474 <0.01% of shares	low
Jan 20, 2026	Reid Thomas J. Executive	Exercise	Class A Common Stock	$0	+12K +10.04%	135,008 <0.01% of shares	low
Mar 1, 2026	Murdock Daniel C. Executive	Exercise	Class A Common Stock	$0	+2K +3.77%	62,447 <0.01% of shares	low
Mar 1, 2026	Murdock Daniel C. Executive	Exercise	Class A Common Stock	$0	+3K +5.55%	60,177 <0.01% of shares	low
Mar 1, 2026	Murdock Daniel C. Executive	Exercise	Class A Common Stock	$0	+4K +7.29%	57,014 <0.01% of shares	low
Mar 1, 2026	Murdock Daniel C. Executive	Exercise	Class A Common Stock	$0	+4K +8.27%	53,139 <0.01% of shares	low
Jan 20, 2026	Murdock Daniel C. Executive	Exercise	Class A Common Stock	$0	+2K +3.36%	49,557 <0.01% of shares	low
Jan 20, 2026	Brady Louise F. Director	Grant	Class A Common Stock	$0	+1K +3.92%	31,507 <0.01% of shares	low
Jan 20, 2026	Bell Madeline S. Director	Exercise	Class A Common Stock	$0	+5K +9.84%	56,860 <0.01% of shares	low
Jan 20, 2026	Baltimore Thomas J Jr Director	Grant	Class A Common Stock	$0	+1K +3.24%	37,867 <0.01% of shares	low
Jan 20, 2026	Honickman Jeffrey A Director	Grant	Class A Common Stock	$0	+2K +0.59%	261,059 <0.01% of shares	low
Feb 4, 2026	Smith Gordon Director	Grant	Class A Common Stock	$0	+8K	7,869 <0.01% of shares	low