Insider Trading activities of Comcast Corp insiders. , Part 4

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Comcast Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Comcast Corp since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of Comcast Corp since 2005. The reporting company's ticker symbol is CMCSA. The reporting company's CIK number is 1166691.
The total value of stock buying since 2005 is $2,897,650.
The total value of stock sales since 2005 is $504,727,846.
The total value of stock option exercises since 2005 is $609,868,207.



Table 2. Detailed insider stock purchases, sales, and option exercises of Comcast Corp insiders (CMCSA) , Part 4
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2012-12-03 Salva Lawrence J (SVP & Controller) Sale 31,722 36.75 1,165,656
2012-11-30 Salva Lawrence J (SVP & Controller) Sale 5,599 36.54 204,609
2012-11-29 Bacon Kenneth J (Director) Sale 7,000 36.66 256,640
2012-11-29 Burke Stephen B (Executive Vice President) Sale 150,359 36.70 5,517,874
2012-11-27 Bacon Kenneth J (Director) Sale 7,513 36.55 274,630
2012-11-27 Bacon Kenneth J (Director) Option Ex 16,875 20.55 346,831
2012-11-27 Cohen David L (Executive Vice President) Sale 138,264 36.55 5,054,102
2012-11-27 Cohen David L (Executive Vice President) Option Ex 506,250 19.92 10,084,500
2012-11-16 Cohen David L (Executive Vice President) Sale 2,677 35.29 94,482
2012-11-15 Cohen David L (Executive Vice President) Sale 63,575 34.81 2,213,172
2012-11-15 Cohen David L (Executive Vice President) Option Ex 17,325 17.95 311,035
2012-11-06 Roberts Brian L (Chairman of Board, Pres. & CEO) Option Ex 138,750 18.08 2,508,599
2012-11-02 Smit Neil (Executive Vice President) Sale 24,360 37.79 920,637
2012-11-01 Angelakis Michael J (Vice Chairman and CFO) Sale 134,170 37.74 5,063,978
2012-11-01 Bonovitz Sheldon M (Director) Sale 17,740 36.85 653,701
2012-10-31 Bonovitz Sheldon M (Director) Sale 3,144 37.37 117,491
2012-10-31 Bonovitz Sheldon M (Director) Option Ex 11,250 21.31 239,771
2012-10-31 Roberts Ralph J (Director) Sale 85,479 37.19 3,178,622
2012-10-31 Roberts Ralph J (Director) Option Ex 275,000 18.08 4,971,999
2012-10-16 Burke Stephen B (Executive Vice President) Option Ex 6,291 15.89 99,982
2012-09-14 Rodin Judith (Director) Sale 5,930 35.25 209,032
2012-09-14 Rodin Judith (Director) Option Ex 11,250 16.67 187,503
2012-09-12 Salva Lawrence J (SVP & Controller) Option Ex 5,625 15.89 89,398
2012-09-10 Burke Stephen B (Executive Vice President) Sale 133,113 34.47 4,588,271
2012-09-10 Burke Stephen B (Executive Vice President) Option Ex 500,000 21.47 10,735,000
2012-09-07 Salva Lawrence J (SVP & Controller) Sale 1,519 34.66 52,648
2012-09-06 Salva Lawrence J (SVP & Controller) Option Ex 5,625 18.08 101,699
2012-09-06 Burke Stephen B (Executive Vice President) Sale 110,486 33.95 3,750,889
2012-09-06 Burke Stephen B (Executive Vice President) Option Ex 500,000 20.03 10,013,500
2012-09-04 Smit Neil (Executive Vice President) Sale 27,067 33.52 907,339
2012-09-04 Burke Stephen B (Executive Vice President) Sale 215,601 33.27 7,173,476
2012-09-04 Burke Stephen B (Executive Vice President) Option Ex 500,000 17.96 8,982,000
2012-08-31 Bacon Kenneth J (Director) Sale 11,250 33.59 377,887
2012-08-27 Cohen David L (Executive Vice President) Option Ex 28,125 18.08 508,499
2012-08-23 Salva Lawrence J (SVP & Controller) Sale 71,254 33.95 2,418,788
2012-08-23 Salva Lawrence J (SVP & Controller) Option Ex 275,133 18.45 5,077,304
2012-08-20 Block Arthur R (SVP, GC and Secretary) Sale 54,732 33.27 1,824,960
2012-08-20 Block Arthur R (SVP, GC and Secretary) Option Ex 147,840 18.74 2,770,817
2012-08-10 Bacon Kenneth J (Director) Option Ex 16,875 18.99 320,456
2012-08-07 Roberts Ralph J (Director) Option Ex 250,000 18.08 4,520,000
2012-06-15 Cook J Michael (Director) Option Ex 18,444 15.27 281,695
2012-05-25 Angelakis Michael J (Vice Chairman and CFO) Sale 179,690 29.00 5,211,010
2012-05-11 Bonovitz Sheldon M (Director) Sale 32,432 29.42 954,117
2012-05-11 Bonovitz Sheldon M (Director) Option Ex 11,250 16.67 187,503
2012-05-08 Smit Neil (Executive Vice President) Option Ex 54,025 .00 0
2012-05-01 Roberts Brian L (Chairman of Board, Pres. & CEO) Sale 26,281 30.28 795,788
2012-04-30 Cohen David L (Executive Vice President) Option Ex 6,375 15.89 101,317
2012-04-27 Block Arthur R (SVP, GC and Secretary) Sale 3,279 30.26 99,222
2012-04-25 Angelakis Michael J (Vice Chairman and CFO) Option Ex 21,345 .00 0
2012-04-25 Smit Neil (Executive Vice President) Option Ex 17,970 .00 0
2012-04-25 Block Arthur R (SVP, GC and Secretary) Option Ex 4,290 .00 0
2012-04-25 Salva Lawrence J (SVP & Controller) Option Ex 3,915 .00 0
2012-04-25 Cohen David L (Executive Vice President) Option Ex 22,575 .00 0
2012-04-25 Burke Stephen B (Executive Vice President) Option Ex 28,215 .00 0
2012-04-17 Roberts Brian L (Chairman of Board, Pres. & CEO) Sale 105,495 29.87 3,150,713
2012-04-09 Smit Neil (Executive Vice President) Option Ex 72,100 .00 0
2012-03-30 Angelakis Michael J (Vice Chairman and CFO) Option Ex 47,070 .00 0
2012-03-30 Block Arthur R (SVP, GC and Secretary) Sale 2,887 29.93 86,407
2012-03-28 Angelakis Michael J (Vice Chairman and CFO) Option Ex 24,840 .00 0
2012-03-28 Block Arthur R (SVP, GC and Secretary) Sale 4,037 30.07 121,396
2012-03-28 Block Arthur R (SVP, GC and Secretary) Option Ex 5,085 .00 0
2012-03-28 Salva Lawrence J (SVP & Controller) Option Ex 5,085 .00 0
2012-03-28 Cohen David L (Executive Vice President) Sale 34,030 29.89 1,017,326
2012-03-28 Cohen David L (Executive Vice President) Option Ex 19,290 .00 0
2012-03-28 Burke Stephen B (Executive Vice President) Option Ex 33,120 .00 0
2012-03-28 Roberts Brian L (Chairman of Board, Pres. & CEO) Option Ex 41,400 .00 0
2012-03-27 Angelakis Michael J (Vice Chairman and CFO) Option Ex 36,000 .00 0
2012-03-27 Block Arthur R (SVP, GC and Secretary) Option Ex 7,110 .00 0
2012-03-27 Salva Lawrence J (SVP & Controller) Option Ex 7,110 .00 0
2012-03-27 Cohen David L (Executive Vice President) Option Ex 27,750 .00 0
2012-03-27 Burke Stephen B (Executive Vice President) Option Ex 47,250 .00 0
2012-03-27 Roberts Brian L (Chairman of Board, Pres. & CEO) Option Ex 58,500 .00 0
2012-03-26 Angelakis Michael J (Vice Chairman and CFO) Option Ex 28,755 .00 0
2012-03-26 Smit Neil (Executive Vice President) Option Ex 18,750 .00 0
2012-03-26 Block Arthur R (SVP, GC and Secretary) Option Ex 5,775 .00 0
2012-03-26 Salva Lawrence J (SVP & Controller) Option Ex 5,415 .00 0
2012-03-26 Cohen David L (Executive Vice President) Option Ex 22,335 .00 0
2012-03-26 Burke Stephen B (Executive Vice President) Option Ex 38,025 .00 0
2012-03-26 Roberts Brian L (Chairman of Board, Pres. & CEO) Option Ex 47,205 .00 0
2012-03-21 Block Arthur R (SVP, GC and Secretary) Sale 2,010 29.79 59,883
2012-03-21 Cohen David L (Executive Vice President) Sale 34,060 29.50 1,004,735
2012-03-20 Block Arthur R (SVP, GC and Secretary) Option Ex 3,540 .00 0
2012-03-20 Salva Lawrence J (SVP & Controller) Option Ex 3,540 .00 0
2012-03-20 Roberts Brian L (Chairman of Board, Pres. & CEO) Sale 145,509 29.63 4,311,431
2012-03-19 Block Arthur R (SVP, GC and Secretary) Sale 2,180 29.65 64,637
2012-03-16 Block Arthur R (SVP, GC and Secretary) Option Ex 10,240 .00 0
2012-03-16 Salva Lawrence J (SVP & Controller) Option Ex 10,240 .00 0
2012-03-16 Cohen David L (Executive Vice President) Option Ex 48,500 .00 0
2012-03-16 Burke Stephen B (Executive Vice President) Option Ex 83,280 .00 0
2012-03-16 Roberts Brian L (Chairman of Board, Pres. & CEO) Option Ex 104,100 .00 0
2012-03-16 Roberts Ralph J (Director) Option Ex 39,920 .00 0
2012-03-15 Cohen David L (Executive Vice President) Sale 81,040 29.48 2,388,654
2012-03-15 Cohen David L (Executive Vice President) Option Ex 28,125 18.08 508,499
2012-03-12 Block Arthur R (SVP, GC and Secretary) Sale 8,415 29.78 250,607
2012-03-08 Salva Lawrence J (SVP & Controller) Sale 47,840 29.65 1,418,408
2012-03-06 Roberts Brian L (Chairman of Board, Pres. & CEO) Sale 150,000 28.76 4,314,150
2012-03-02 Salva Lawrence J (SVP & Controller) Option Ex 231,975 18.50 4,292,001
2012-02-29 Roberts Ralph J (Director) Sale 104,879 29.36 3,079,352
2012-02-29 Roberts Ralph J (Director) Option Ex 450,000 18.08 8,135,999
2012-02-27 Bonovitz Sheldon M (Director) Sale 18,000 28.29 509,220
2012-02-23 Salva Lawrence J (SVP & Controller) Sale 34,037 29.68 1,010,218
2012-02-23 Salva Lawrence J (SVP & Controller) Option Ex 138,750 18.08 2,508,599
2012-02-17 Smit Neil (Executive Vice President) Sale 23,799 28.50 678,366
2012-02-17 Block Arthur R (SVP, GC and Secretary) Sale 99,437 28.21 2,804,819
2012-02-17 Block Arthur R (SVP, GC and Secretary) Option Ex 328,008 18.15 5,952,361
2012-02-17 Salva Lawrence J (SVP & Controller) Sale 13,599 27.99 380,636
2012-02-17 Salva Lawrence J (SVP & Controller) Option Ex 46,875 15.89 744,984
2012-02-17 Cohen David L (Executive Vice President) Option Ex 625,125 16.62 10,390,827
2012-02-17 Burke Stephen B (Executive Vice President) Sale 269,291 28.28 7,615,549
2012-02-17 Burke Stephen B (Executive Vice President) Option Ex 1,158,750 16.62 19,260,742
2012-02-17 Roberts Brian L (Chairman of Board, Pres. & CEO) Option Ex 1,286,250 18.08 23,255,399
2012-01-18 Block Arthur R (SVP, GC and Secretary) Option Ex 14,724 .00 0
2012-01-09 Burke Stephen B (Executive Vice President) Option Ex 450,000 23.66 10,647,000
2012-01-09 Roberts Brian L (Chairman of Board, Pres. & CEO) Option Ex 1,125,000 23.66 26,617,500
2012-01-04 Block Arthur R (SVP, GC and Secretary) Option Ex 187,500 23.66 4,436,250
2012-01-04 Roberts Ralph J (Director) Option Ex 900,000 23.66 21,294,000
2012-01-03 Bacon Kenneth J (Director) Option Ex 13,854 .00 0
2012-01-03 Salva Lawrence J (SVP & Controller) Option Ex 135,000 23.66 3,194,100
2012-01-03 Burke Stephen B (Executive Vice President) Option Ex 750,000 23.27 17,450,250
2011-12-18 Salva Lawrence J (SVP & Controller) Option Ex 6,024 .00 0
2011-07-04 Angelakis Michael J (EVP and CFO) Option Ex 168,635 .00 0
2011-06-15 Cook J Michael (Director) Option Ex 2,986 19.31 57,668
2011-05-09 Angelakis Michael J (EVP and CFO) Buy 25,000 25.33 633,325
2011-05-09 Smit Neil (Executive Vice President) Option Ex 72,100 .00 0
2011-05-06 Sovern Michael I (Director) Sale 419 25.68 10,759
2011-05-06 Sovern Michael I (Director) Option Ex 2,988 20.16 60,238
2011-04-26 Angelakis Michael J (EVP and CFO) Option Ex 28,755 .00 0
2011-04-26 Smit Neil (Executive Vice President) Option Ex 18,750 .00 0
2011-04-26 Block Arthur R (SVP, GC and Secretary) Option Ex 5,775 .00 0
2011-04-26 Salva Lawrence J (SVP & Controller) Option Ex 5,415 .00 0
2011-04-26 Cohen David L (Executive Vice President) Option Ex 22,335 .00 0
2011-04-26 Burke Stephen B (Executive Vice President) Option Ex 38,025 .00 0
2011-04-26 Roberts Brian L (Chairman of Board, Pres. & CEO) Option Ex 47,205 .00 0
2011-03-30 Angelakis Michael J (EVP and CFO) Option Ex 18,828 .00 0
2011-03-30 Burke Stephen B (Executive Vice President) Sale 180,000 24.71 4,448,520
2011-03-28 Angelakis Michael J (EVP and CFO) Option Ex 24,840 .00 0
2011-03-28 Block Arthur R (SVP, GC and Secretary) Option Ex 5,085 .00 0
2011-03-28 Salva Lawrence J (SVP & Controller) Sale 19,919 24.49 487,856
2011-03-28 Salva Lawrence J (SVP & Controller) Option Ex 5,085 .00 0
2011-03-28 Cohen David L (Executive Vice President) Option Ex 19,290 .00 0
2011-03-28 Burke Stephen B (Executive Vice President) Option Ex 33,120 .00 0
2011-03-28 Roberts Brian L (Chairman of Board, Pres. & CEO) Option Ex 41,400 .00 0
2011-03-27 Angelakis Michael J (EVP and CFO) Option Ex 36,000 .00 0
2011-03-27 Block Arthur R (SVP, GC and Secretary) Option Ex 7,110 .00 0
2011-03-27 Salva Lawrence J (SVP & Controller) Option Ex 7,110 .00 0
2011-03-27 Cohen David L (Executive Vice President) Option Ex 27,750 .00 0
2011-03-27 Burke Stephen B (Executive Vice President) Option Ex 47,250 .00 0
2011-03-27 Roberts Brian L (Chairman of Board, Pres. & CEO) Option Ex 58,500 .00 0
2011-03-20 Block Arthur R (SVP, GC and Secretary) Option Ex 3,540 .00 0
2011-03-20 Salva Lawrence J (SVP & Controller) Option Ex 3,540 .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.