Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Comcast Corp (CMCSA) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Comcast Corp. (See page 1 of this report.) Table 2 shows the detailed insider transactions. This company's CIK number is 1166691.
Total stock buying since 2015: $0.
Total stock sales since 2015: $499,444,470.
Total stock option exercises since 2015: $383,750,843.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 0 | $0 | 1,039,658 | $26,978,410 |
| 2024 | 0 | $0 | 755,079 | $32,688,901 | 1,957,789 | $46,399,912 |
| 2023 | 0 | $0 | 657,805 | $27,602,991 | 1,415,421 | $26,740,976 |
| 2022 | 0 | $0 | 74,339 | $3,385,792 | 616,168 | $2,534,155 |
| 2021 | 0 | $0 | 945,675 | $51,753,376 | 3,718,496 | $45,780,306 |
| 2020 | 0 | $0 | 847,322 | $35,954,441 | 2,389,905 | $16,782,472 |
| 2019 | 0 | $0 | 2,849,576 | $119,046,648 | 8,946,499 | $84,042,114 |
| 2018 | 0 | $0 | 1,086,882 | $40,762,850 | 3,151,957 | $23,535,332 |
| 2017 | 0 | $0 | 1,166,822 | $52,626,561 | 3,138,083 | $39,038,979 |
| 2016 | 0 | $0 | 760,822 | $49,412,629 | 849,044 | $8,095,597 |
| 2015 | 0 | $0 | 1,454,084 | $86,210,281 | 4,506,356 | $63,822,590 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2018-03-13 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Option Ex | 806,000 | 9.49 | 7,648,940 |
| 2018-03-06 | Watson David N (Sr. EVP) | Sale | 131,447 | 36.78 | 4,835,277 |
| 2018-03-06 | Watson David N (Sr. EVP) | Option Ex | 302,000 | 9.49 | 2,865,980 |
| 2018-01-26 | Burke Stephen B (Sr. EVP) | Sale | 190,756 | 42.51 | 8,109,800 |
| 2018-01-26 | Burke Stephen B (Sr. EVP) | Option Ex | 564,240 | 11.00 | 6,206,640 |
| 2018-01-02 | Bacon Kenneth J (Director) | Option Ex | 7,096 | .00 | 0 |
| 2018-01-02 | Rodgers Johnathan A (Director) | Option Ex | 5,342 | .00 | 0 |
| 2018-01-02 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Option Ex | 189,416 | .00 | 0 |
| 2017-12-27 | Block Arthur R (EVP, GC and Secretary) | Sale | 3,937 | 40.62 | 159,920 |
| 2017-12-26 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 7,368 | .00 | 0 |
| 2017-12-18 | Block Arthur R (EVP, GC and Secretary) | Sale | 5,630 | 39.89 | 224,575 |
| 2017-12-18 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 13,086 | 8.62 | 112,801 |
| 2017-12-14 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Sale | 583,835 | 38.69 | 22,585,656 |
| 2017-12-14 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Option Ex | 800,000 | 9.49 | 7,592,000 |
| 2017-10-30 | Cohen David L (Sr. EVP) | Option Ex | 14,376 | .00 | 0 |
| 2017-09-28 | Block Arthur R (EVP, GC and Secretary) | Sale | 4,091 | 38.36 | 156,930 |
| 2017-09-28 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 9,900 | 9.49 | 93,951 |
| 2017-09-15 | Bacon Kenneth J (Director) | Sale | 2,232 | 37.27 | 83,175 |
| 2017-08-10 | Watson David N (Sr. EVP) | Option Ex | 40,320 | .00 | 0 |
| 2017-08-07 | Murdock Daniel C. (SVP & Chief Accounting Officer) | Sale | 3,659 | 39.60 | 144,914 |
| 2017-06-12 | Murdock Daniel C. (SVP & Chief Accounting Officer) | Option Ex | 2,580 | .00 | 0 |
| 2017-05-25 | Bacon Kenneth J (Director) | Sale | 7,500 | 40.49 | 303,712 |
| 2017-05-15 | Cavanagh Michael J (CFO) | Option Ex | 21,192 | .00 | 0 |
| 2017-05-10 | Burke Stephen B (Sr. EVP) | Sale | 258,380 | 39.00 | 10,077,853 |
| 2017-05-09 | Burke Stephen B (Sr. EVP) | Option Ex | 249,540 | 8.64 | 2,156,774 |
| 2017-04-19 | Block Arthur R (EVP, GC and Secretary) | Sale | 2,356 | 37.82 | 89,103 |
| 2017-04-18 | Murdock Daniel C. (SVP & Chief Accounting Officer) | Option Ex | 1,020 | .00 | 0 |
| 2017-04-18 | Cavanagh Michael J (CFO) | Option Ex | 81,500 | .00 | 0 |
| 2017-04-18 | Watson David N (Sr. EVP) | Option Ex | 6,270 | .00 | 0 |
| 2017-04-18 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 4,410 | .00 | 0 |
| 2017-04-18 | Cohen David L (Sr. EVP) | Option Ex | 18,840 | .00 | 0 |
| 2017-04-18 | Burke Stephen B (Sr. EVP) | Option Ex | 26,850 | .00 | 0 |
| 2017-04-18 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Option Ex | 20,499 | .00 | 0 |
| 2017-03-28 | Block Arthur R (EVP, GC and Secretary) | Sale | 4,044 | 36.95 | 149,437 |
| 2017-03-28 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 9,900 | 9.49 | 93,951 |
| 2017-03-27 | Block Arthur R (EVP, GC and Secretary) | Sale | 15,846 | 37.18 | 589,170 |
| 2017-03-27 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 38,580 | 9.65 | 372,297 |
| 2017-03-24 | Block Arthur R (EVP, GC and Secretary) | Sale | 10,215 | 37.24 | 380,406 |
| 2017-03-23 | Smit Neil (Sr. EVP) | Option Ex | 106,640 | .00 | 0 |
| 2017-03-23 | Block Arthur R (EVP, GC and Secretary) | Sale | 12,303 | 37.00 | 455,211 |
| 2017-03-23 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 48,250 | 7.50 | 361,778 |
| 2017-03-23 | Cohen David L (Sr. EVP) | Option Ex | 100,480 | .00 | 0 |
| 2017-03-23 | Burke Stephen B (Sr. EVP) | Option Ex | 125,680 | .00 | 0 |
| 2017-03-22 | Block Arthur R (EVP, GC and Secretary) | Sale | 8,269 | 37.14 | 307,143 |
| 2017-03-22 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 29,640 | 10.30 | 305,440 |
| 2017-03-22 | Cohen David L (Sr. EVP) | Option Ex | 27,450 | .00 | 0 |
| 2017-03-22 | Burke Stephen B (Sr. EVP) | Option Ex | 34,290 | .00 | 0 |
| 2017-03-21 | Block Arthur R (EVP, GC and Secretary) | Sale | 7,053 | 37.48 | 264,318 |
| 2017-03-21 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 30,040 | 12.50 | 375,500 |
| 2017-03-21 | Cohen David L (Sr. EVP) | Option Ex | 16,590 | .00 | 0 |
| 2017-03-21 | Burke Stephen B (Sr. EVP) | Option Ex | 32,100 | .00 | 0 |
| 2017-03-20 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 4,410 | .00 | 0 |
| 2017-03-20 | Cohen David L (Sr. EVP) | Option Ex | 13,950 | .00 | 0 |
| 2017-03-20 | Burke Stephen B (Sr. EVP) | Option Ex | 32,046 | .00 | 0 |
| 2017-03-01 | Smit Neil (Sr. EVP) | Sale | 33,000 | 37.62 | 1,241,592 |
| 2017-02-14 | Salva Lawrence J (EVP & Chief Accounting Officer) | Sale | 3,121 | 75.96 | 237,080 |
| 2017-02-14 | Salva Lawrence J (EVP & Chief Accounting Officer) | Option Ex | 6,740 | 25.44 | 171,465 |
| 2017-02-06 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Option Ex | 548,000 | 25.44 | 13,941,120 |
| 2017-02-03 | Smit Neil (Sr. EVP) | Sale | 39,730 | 75.28 | 2,990,874 |
| 2017-02-03 | Smit Neil (Sr. EVP) | Option Ex | 122,100 | 29.99 | 3,661,779 |
| 2017-02-01 | Smit Neil (Sr. EVP) | Sale | 28,307 | 75.80 | 2,145,783 |
| 2017-02-01 | Smit Neil (Sr. EVP) | Option Ex | 69,030 | 18.34 | 1,266,010 |
| 2017-02-01 | Burke Stephen B (Sr. EVP) | Option Ex | 68,570 | 21.89 | 1,500,997 |
| 2017-01-30 | Smit Neil (Sr. EVP) | Sale | 46,849 | 75.47 | 3,535,553 |
| 2017-01-30 | Smit Neil (Sr. EVP) | Option Ex | 129,300 | 25.02 | 3,235,086 |
| 2017-01-27 | Smit Neil (Sr. EVP) | Sale | 86,465 | 75.22 | 6,504,156 |
| 2017-01-27 | Smit Neil (Sr. EVP) | Option Ex | 207,090 | 18.34 | 3,798,030 |
| 2017-01-13 | Bonovitz Sheldon M (Director) | Option Ex | 3,004 | .00 | 0 |
| 2017-01-03 | Breen Edward D (Director) | Option Ex | 6,299 | .00 | 0 |
| 2017-01-03 | Bacon Kenneth J (Director) | Option Ex | 3,092 | .00 | 0 |
| 2017-01-03 | Bonovitz Sheldon M (Director) | Option Ex | 2,092 | .00 | 0 |
| 2017-01-03 | Rodgers Johnathan A (Director) | Option Ex | 3,101 | .00 | 0 |
| 2017-01-03 | Rodin Judith (Director) | Option Ex | 1,868 | .00 | 0 |
| 2016-12-27 | Block Arthur R (EVP, GC and Secretary) | Sale | 1,680 | 70.80 | 118,944 |
| 2016-12-23 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 3,684 | .00 | 0 |
| 2016-12-19 | Block Arthur R (EVP, GC and Secretary) | Sale | 2,435 | 70.17 | 170,871 |
| 2016-12-19 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 6,543 | 17.24 | 112,801 |
| 2016-12-13 | Bacon Kenneth J (Director) | Sale | 2,500 | 70.05 | 175,117 |
| 2016-12-01 | Smit Neil (Sr. EVP) | Sale | 15,121 | 69.57 | 1,051,922 |
| 2016-11-30 | Cohen David L (Sr. EVP) | Option Ex | 7,188 | .00 | 0 |
| 2016-11-29 | Block Arthur R (EVP, GC and Secretary) | Sale | 6,752 | 69.89 | 471,877 |
| 2016-11-29 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 37,930 | 45.61 | 1,729,987 |
| 2016-11-18 | Bonovitz Sheldon M (Director) | Option Ex | 6,472 | .00 | 0 |
| 2016-10-27 | Cohen David L (Sr. EVP) | Sale | 19,886 | 62.39 | 1,240,607 |
| 2016-10-27 | Cohen David L (Sr. EVP) | Option Ex | 55,700 | 21.13 | 1,177,108 |
| 2016-10-19 | Cohen David L (Sr. EVP) | Sale | 20,100 | 65.05 | 1,307,545 |
| 2016-10-19 | Cohen David L (Sr. EVP) | Option Ex | 56,750 | 22.21 | 1,260,417 |
| 2016-10-11 | Cohen David L (Sr. EVP) | Sale | 19,444 | 65.53 | 1,274,204 |
| 2016-10-11 | Cohen David L (Sr. EVP) | Option Ex | 56,750 | 22.21 | 1,260,417 |
| 2016-09-16 | Block Arthur R (EVP, GC and Secretary) | Sale | 1,023 | 65.75 | 67,257 |
| 2016-09-16 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 3,370 | 25.44 | 85,732 |
| 2016-09-01 | Smit Neil (Sr. EVP) | Sale | 15,121 | 65.68 | 993,177 |
| 2016-07-29 | Smit Neil (Sr. EVP) | Sale | 29,475 | 67.86 | 2,000,261 |
| 2016-07-29 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Sale | 304,109 | 67.26 | 20,453,459 |
| 2016-06-27 | Salva Lawrence J (EVP & Chief Accounting Officer) | Option Ex | 4,851 | .00 | 0 |
| 2016-06-16 | Bacon Kenneth J (Director) | Sale | 2,500 | 62.82 | 157,060 |
| 2016-06-15 | Cavanagh Michael J (CFO) | Option Ex | 10,596 | .00 | 0 |
| 2016-06-09 | Rodin Judith (Director) | Sale | 245 | 62.83 | 15,393 |
| 2016-06-01 | Smit Neil (Sr. EVP) | Sale | 15,121 | 63.47 | 959,760 |
| 2016-05-12 | Burke Stephen B (Sr. EVP) | Sale | 75,000 | 62.05 | 4,653,450 |
| 2016-05-12 | Burke Stephen B (Sr. EVP) | Option Ex | 100,040 | 19.65 | 1,966,086 |
| 2016-05-10 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Sale | 200,000 | 62.65 | 12,529,200 |
| 2016-05-02 | Rodin Judith (Director) | Sale | 635 | 60.75 | 38,578 |
| 2016-04-21 | Block Arthur R (EVP, GC and Secretary) | Sale | 1,002 | 61.25 | 61,372 |
| 2016-04-20 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 2,205 | .00 | 0 |
| 2016-04-20 | Salva Lawrence J (EVP & Chief Accounting Officer) | Option Ex | 1,635 | .00 | 0 |
| 2016-04-20 | Cohen David L (Sr. EVP) | Option Ex | 6,975 | .00 | 0 |
| 2016-04-20 | Burke Stephen B (Sr. EVP) | Option Ex | 16,023 | .00 | 0 |
| 2016-04-20 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Option Ex | 10,323 | .00 | 0 |
| 2016-03-24 | Smit Neil (Sr. EVP) | Option Ex | 47,920 | .00 | 0 |
| 2016-03-24 | Block Arthur R (EVP, GC and Secretary) | Sale | 1,630 | 58.76 | 95,778 |
| 2016-03-24 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 11,440 | .00 | 0 |
| 2016-03-24 | Salva Lawrence J (EVP & Chief Accounting Officer) | Option Ex | 10,440 | .00 | 0 |
| 2016-03-24 | Cohen David L (Sr. EVP) | Option Ex | 60,200 | .00 | 0 |
| 2016-03-24 | Burke Stephen B (Sr. EVP) | Option Ex | 75,240 | .00 | 0 |
| 2016-03-23 | Smit Neil (Sr. EVP) | Option Ex | 19,995 | .00 | 0 |
| 2016-03-23 | Block Arthur R (EVP, GC and Secretary) | Sale | 4,739 | 59.26 | 280,833 |
| 2016-03-23 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 18,150 | 14.99 | 272,159 |
| 2016-03-23 | Salva Lawrence J (EVP & Chief Accounting Officer) | Option Ex | 3,255 | .00 | 0 |
| 2016-03-23 | Cohen David L (Sr. EVP) | Option Ex | 18,840 | .00 | 0 |
| 2016-03-23 | Burke Stephen B (Sr. EVP) | Option Ex | 23,565 | .00 | 0 |
| 2016-03-22 | Block Arthur R (EVP, GC and Secretary) | Sale | 982 | 59.30 | 58,232 |
| 2016-03-22 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 2,610 | .00 | 0 |
| 2016-03-22 | Salva Lawrence J (EVP & Chief Accounting Officer) | Option Ex | 2,370 | .00 | 0 |
| 2016-03-22 | Cohen David L (Sr. EVP) | Option Ex | 13,725 | .00 | 0 |
| 2016-03-22 | Burke Stephen B (Sr. EVP) | Option Ex | 17,145 | .00 | 0 |
| 2016-03-21 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 2,160 | .00 | 0 |
| 2016-03-21 | Salva Lawrence J (EVP & Chief Accounting Officer) | Option Ex | 1,950 | .00 | 0 |
| 2016-03-21 | Cohen David L (Sr. EVP) | Option Ex | 8,295 | .00 | 0 |
| 2016-03-21 | Burke Stephen B (Sr. EVP) | Option Ex | 16,050 | .00 | 0 |
| 2016-03-16 | Block Arthur R (EVP, GC and Secretary) | Sale | 949 | 59.22 | 56,201 |
| 2016-03-16 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 3,370 | 25.44 | 85,732 |
| 2016-03-14 | Cook J Michael (Director) | Sale | 12,066 | 59.00 | 711,845 |
| 2016-02-05 | Bacon Kenneth J (Director) | Sale | 4,000 | 58.17 | 232,696 |
| 2016-01-27 | Block Arthur R (EVP, GC and Secretary) | Sale | 1,675 | 54.93 | 92,007 |
| 2016-01-26 | Smit Neil (Sr. EVP) | Option Ex | 68,511 | .00 | 0 |
| 2016-01-26 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 3,684 | .00 | 0 |
| 2016-01-08 | Block Arthur R (EVP, GC and Secretary) | Sale | 2,632 | 55.09 | 144,983 |
| 2016-01-08 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 8,063 | 18.00 | 145,158 |
| 2016-01-04 | Bacon Kenneth J (Director) | Option Ex | 5,639 | .00 | 0 |
| 2016-01-04 | Rodgers Johnathan A (Director) | Option Ex | 10,161 | .00 | 0 |
| 2016-01-04 | Cook J Michael (Director) | Option Ex | 9,231 | .00 | 0 |
| 2015-12-18 | Block Arthur R (EVP, GC and Secretary) | Sale | 2,258 | 56.88 | 128,444 |
| 2015-12-18 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 6,543 | 17.24 | 112,801 |
| 2015-11-24 | Bonovitz Sheldon M (Director) | Sale | 2,597 | 61.37 | 159,385 |
| 2015-11-19 | Bacon Kenneth J (Director) | Sale | 3,488 | 62.62 | 218,436 |
| 2015-10-29 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Sale | 106,883 | 63.10 | 6,744,637 |
| 2015-10-28 | Smit Neil (Sr. EVP) | Sale | 30,733 | 61.83 | 1,900,067 |
| 2015-09-16 | Salva Lawrence J (EVP & Chief Accounting Officer) | Sale | 4,524 | 57.50 | 260,130 |
| 2015-09-16 | Salva Lawrence J (EVP & Chief Accounting Officer) | Option Ex | 13,013 | 18.33 | 238,515 |
| 2015-09-10 | Cohen David L (Sr. EVP) | Sale | 63,066 | 56.12 | 3,539,263 |
| 2015-09-10 | Cohen David L (Sr. EVP) | Option Ex | 185,750 | 19.48 | 3,619,338 |
| 2015-08-10 | Cohen David L (Sr. EVP) | Sale | 65,384 | 59.35 | 3,880,605 |
| 2015-08-10 | Cohen David L (Sr. EVP) | Option Ex | 191,125 | 20.15 | 3,850,595 |
| 2015-08-03 | Block Arthur R (EVP, GC and Secretary) | Sale | 2,258 | 62.85 | 141,906 |
| 2015-07-31 | Smit Neil (Sr. EVP) | Sale | 30,732 | 62.75 | 1,928,463 |
| 2015-07-27 | Salva Lawrence J (EVP & Chief Accounting Officer) | Option Ex | 4,851 | .00 | 0 |
| 2015-07-13 | Cohen David L (Sr. EVP) | Sale | 67,374 | 63.94 | 4,308,028 |
| 2015-07-13 | Cohen David L (Sr. EVP) | Option Ex | 172,500 | 17.65 | 3,044,797 |
| 2015-06-30 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 4,855 | .00 | 0 |
| 2015-06-30 | Salva Lawrence J (EVP & Chief Accounting Officer) | Option Ex | 4,404 | .00 | 0 |
| 2015-06-08 | Angelakis Michael J (Vice Chairman and CFO) | Sale | 382,566 | 58.29 | 22,300,154 |
| 2015-06-08 | Angelakis Michael J (Vice Chairman and CFO) | Option Ex | 989,027 | 24.86 | 24,590,178 |
| 2015-06-03 | Salva Lawrence J (EVP & Controller) | Sale | 4,845 | 59.25 | 287,066 |
| 2015-06-03 | Salva Lawrence J (EVP & Controller) | Option Ex | 14,802 | 20.48 | 303,174 |
| 2015-05-12 | Bacon Kenneth J (Director) | Sale | 3,200 | 57.26 | 183,232 |
| 2015-05-08 | Roberts Ralph J (Director) | Sale | 17,300 | 58.28 | 1,008,192 |
| 2015-05-06 | Smit Neil (Executive Vice President) | Sale | 30,732 | 57.71 | 1,773,451 |
| 2015-04-22 | Block Arthur R (EVP, GC and Secretary) | Sale | 1,004 | 58.96 | 59,195 |
| 2015-04-21 | Angelakis Michael J (Vice Chairman and CFO) | Option Ex | 31,430 | .00 | 0 |
| 2015-04-21 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 2,160 | .00 | 0 |
| 2015-04-21 | Salva Lawrence J (EVP & Controller) | Option Ex | 1,950 | .00 | 0 |
| 2015-04-21 | Cohen David L (Executive Vice President) | Option Ex | 8,295 | .00 | 0 |
| 2015-04-21 | Burke Stephen B (Executive Vice President) | Option Ex | 66,050 | .00 | 0 |
| 2015-04-21 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Option Ex | 12,292 | .00 | 0 |
| 2015-04-02 | Burke Stephen B (Executive Vice President) | Sale | 61,315 | 57.66 | 3,535,238 |
| 2015-04-02 | Burke Stephen B (Executive Vice President) | Option Ex | 199,750 | 18.34 | 3,663,415 |
| 2015-03-30 | Block Arthur R (EVP, GC and Secretary) | Sale | 1,623 | 56.15 | 91,131 |
| 2015-03-30 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 4,950 | 18.98 | 93,951 |
| 2015-03-30 | Burke Stephen B (Executive Vice President) | Option Ex | 78,120 | 16.76 | 1,309,291 |
| 2015-03-27 | Block Arthur R (EVP, GC and Secretary) | Sale | 9,746 | 55.84 | 544,197 |
| 2015-03-27 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 7,050 | 14.54 | 102,507 |
| 2015-03-26 | Angelakis Michael J (Vice Chairman and CFO) | Option Ex | 76,680 | .00 | 0 |
| 2015-03-26 | Smit Neil (Executive Vice President) | Option Ex | 50,000 | .00 | 0 |
| 2015-03-26 | Block Arthur R (EVP, GC and Secretary) | Sale | 9,078 | 56.01 | 508,422 |
| 2015-03-26 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 36,670 | 9.17 | 336,263 |
| 2015-03-26 | Salva Lawrence J (EVP & Controller) | Option Ex | 14,440 | .00 | 0 |
| 2015-03-26 | Cohen David L (Executive Vice President) | Option Ex | 59,560 | .00 | 0 |
| 2015-03-26 | Burke Stephen B (Executive Vice President) | Option Ex | 101,400 | .00 | 0 |
| 2015-03-26 | Roberts Brian L (Chairman of Board, Pres. & CEO) | Option Ex | 125,880 | .00 | 0 |
| 2015-03-25 | Angelakis Michael J (Vice Chairman and CFO) | Option Ex | 21,345 | .00 | 0 |
| 2015-03-25 | Smit Neil (Executive Vice President) | Option Ex | 17,970 | .00 | 0 |
| 2015-03-25 | Block Arthur R (EVP, GC and Secretary) | Sale | 4,301 | 57.19 | 245,974 |
| 2015-03-25 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 19,740 | 12.51 | 246,947 |
| 2015-03-25 | Salva Lawrence J (EVP & Controller) | Option Ex | 3,915 | .00 | 0 |
| 2015-03-25 | Cohen David L (Executive Vice President) | Option Ex | 22,575 | .00 | 0 |
| 2015-03-25 | Burke Stephen B (Executive Vice President) | Option Ex | 28,215 | .00 | 0 |
| 2015-03-24 | Block Arthur R (EVP, GC and Secretary) | Sale | 1,667 | 58.63 | 97,736 |
| 2015-03-23 | Angelakis Michael J (Vice Chairman and CFO) | Option Ex | 19,080 | .00 | 0 |
| 2015-03-23 | Smit Neil (Executive Vice President) | Option Ex | 19,995 | .00 | 0 |
| 2015-03-23 | Block Arthur R (EVP, GC and Secretary) | Sale | 8,462 | 59.25 | 501,390 |
| 2015-03-23 | Block Arthur R (EVP, GC and Secretary) | Option Ex | 42,570 | 23.74 | 1,010,484 |
| 2015-03-23 | Salva Lawrence J (EVP & Controller) | Option Ex | 3,255 | .00 | 0 |
| 2015-03-23 | Cohen David L (Executive Vice President) | Option Ex | 18,840 | .00 | 0 |
| 2015-03-23 | Burke Stephen B (Executive Vice President) | Option Ex | 23,565 | .00 | 0 |
| 2015-03-22 | Angelakis Michael J (Vice Chairman and CFO) | Option Ex | 13,845 | .00 | 0 |
| 2015-03-22 | Block Arthur R (SVP, GC and Secretary) | Option Ex | 2,610 | .00 | 0 |
| 2015-03-22 | Salva Lawrence J (SVP & Controller) | Option Ex | 2,370 | .00 | 0 |
| 2015-03-22 | Cohen David L (Executive Vice President) | Option Ex | 13,725 | .00 | 0 |
| 2015-03-22 | Burke Stephen B (Executive Vice President) | Option Ex | 17,145 | .00 | 0 |
| 2015-03-20 | Burke Stephen B (Executive Vice President) | Sale | 155,451 | 59.26 | 9,212,026 |
| 2015-03-20 | Burke Stephen B (Executive Vice President) | Option Ex | 744,200 | 18.96 | 14,110,032 |
| 2015-03-16 | Block Arthur R (SVP, GC and Secretary) | Sale | 954 | 59.24 | 56,517 |
| 2015-03-16 | Block Arthur R (SVP, GC and Secretary) | Option Ex | 3,370 | 25.44 | 85,732 |
| 2015-03-12 | Burke Stephen B (Executive Vice President) | Option Ex | 17,438 | 22.66 | 395,145 |
| 2015-03-10 | Block Arthur R (SVP, GC and Secretary) | Sale | 1,811 | 60.02 | 108,687 |
| 2015-03-10 | Block Arthur R (SVP, GC and Secretary) | Option Ex | 4,650 | 17.50 | 81,375 |
| 2015-02-26 | Smit Neil (Executive Vice President) | Sale | 30,732 | 59.04 | 1,814,509 |
| 2015-02-26 | Burke Stephen B (Executive Vice President) | Sale | 350,000 | 59.07 | 20,673,800 |
| 2015-02-26 | Roberts Ralph J (Director) | Option Ex | 292,500 | 22.66 | 6,628,050 |
| 2015-01-18 | Block Arthur R (SVP, GC and Secretary) | Option Ex | 39,264 | .00 | 0 |
| 2015-01-02 | Bacon Kenneth J (Director) | Option Ex | 3,872 | .00 | 0 |
| 2015-01-02 | Rodgers Johnathan A (Director) | Option Ex | 3,930 | .00 | 0 |
| 2015-01-02 | Cook J Michael (Director) | Option Ex | 7,803 | .00 | 0 |
| 2015-01-02 | Roberts Ralph J (Director) | Option Ex | 423,348 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises of CMCSA listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Comcast Corp (symbol CMCSA, CIK number 1166691) see the Securities and Exchange Commission (SEC) website.