Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2024-11-26 Sale | 2024-11-29 1:21 pm | COMCAST CORP | CMCSA | ROBERTS BRIAN L Chairman of Board & CEO | 469,515 | $42.73 | $20,063,803 | 23,488,500 (Indirect Direct) | View |
2024-11-26 Sale | 2024-11-29 1:19 pm | COMCAST CORP | CMCSA | Cavanagh Michael J President | 133,159 | $42.54 | $5,664,712 | 405,698 (Indirect Direct) | View |
2024-11-22 Sale | 2024-11-25 4:26 pm | COMCAST CORP | CMCSA | BACON KENNETH J Director | 14,408 | $43.39 | $625,093 | 32,733 (Direct) | View |
2024-11-06 Sale | 2024-11-07 4:07 pm | COMCAST CORP | CMCSA | Armstrong Jason CFO | 23,248 | $44.84 | $1,042,545 | 25,324 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-03-06 Exercise | 2025-03-07 4:08 pm | N/A 2025-03-19 | COMCAST CORP | CMCSA | ROBERTS BRIAN L Chairman of Board & CEO | 907,600 | $29.73 | 23,577,622 (Direct) | View |
2025-03-06 Tax Withholding | 2025-03-07 4:08 pm | N/A N/A | COMCAST CORP | CMCSA | ROBERTS BRIAN L Chairman of Board & CEO | 818,478 | $35.76 | 23,577,622 (Direct) | View |
2025-03-01 Exercise | 2025-03-04 5:41 pm | N/A N/A | COMCAST CORP | CMCSA | Reid Thomas J. Chief Legal Officer, Secretary | 113,638 | $0 | 165,589 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-04 5:41 pm | N/A N/A | COMCAST CORP | CMCSA | Reid Thomas J. Chief Legal Officer, Secretary | 60,759 | $35.88 | 165,589 (Direct) | View |
2025-03-01 Exercise | 2025-03-04 5:38 pm | N/A N/A | COMCAST CORP | CMCSA | Khoury Jennifer Chief Communications Officer | 9,262 | $0 | 135,121 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-04 5:38 pm | N/A N/A | COMCAST CORP | CMCSA | Khoury Jennifer Chief Communications Officer | 2,895 | $35.88 | 135,121 (Direct) | View |
2025-03-01 Exercise | 2025-03-04 5:38 pm | N/A N/A | COMCAST CORP | CMCSA | Murdock Daniel C. EVP & Chief Accounting Officer | 10,780 | $0 | 266,028 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-04 5:38 pm | N/A N/A | COMCAST CORP | CMCSA | Murdock Daniel C. EVP & Chief Accounting Officer | 2,698 | $35.88 | 266,028 (Direct) | View |
2025-03-03 Option Award | 2025-03-04 5:38 pm | N/A 2035-03-02 | COMCAST CORP | CMCSA | Murdock Daniel C. EVP & Chief Accounting Officer | 66,625 | $0 | 266,028 (Direct) | View |
2025-03-01 Exercise | 2025-03-04 5:36 pm | N/A N/A | COMCAST CORP | CMCSA | Cavanagh Michael J President | 114,308 | $0 | 1,092,463 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-04 5:36 pm | N/A N/A | COMCAST CORP | CMCSA | Cavanagh Michael J President | 71,833 | $35.88 | 1,092,463 (Direct) | View |
2025-03-01 Exercise | 2025-03-04 5:36 pm | N/A N/A | COMCAST CORP | CMCSA | Armstrong Jason CFO | 6,382 | $0 | 115,482 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-04 5:36 pm | N/A N/A | COMCAST CORP | CMCSA | Armstrong Jason CFO | 2,952 | $35.88 | 115,482 (Direct) | View |
2025-03-01 Exercise | 2025-03-04 5:35 pm | N/A N/A | COMCAST CORP | CMCSA | ROBERTS BRIAN L Chairman of Board & CEO | 42,634 | $0 | 24,271,172 (Direct) | View |
2025-03-01 Tax Withholding | 2025-03-04 5:35 pm | N/A N/A | COMCAST CORP | CMCSA | ROBERTS BRIAN L Chairman of Board & CEO | 42,634 | $35.88 | 24,271,172 (Direct) | View |
2025-02-25 Option Award | 2025-02-27 4:25 pm | N/A N/A | COMCAST CORP | CMCSA | Reid Thomas J. Chief Legal Officer, Secretary | 92,478 | $0 | 92,478 (Direct) | View |
2025-02-25 Option Award | 2025-02-27 4:19 pm | N/A N/A | COMCAST CORP | CMCSA | Cavanagh Michael J President | 292,227 | $0 | 395,003 (Direct) | View |
2025-02-25 Option Award | 2025-02-27 4:17 pm | N/A N/A | COMCAST CORP | CMCSA | ROBERTS BRIAN L Chairman of Board & CEO | 392,106 | $0 | 804,901 (Direct) | View |
2025-01-14 Exercise | 2025-01-15 4:13 pm | N/A N/A | COMCAST CORP | CMCSA | Armstrong Jason CFO | 7,740 | $0 | 74,994 (Direct) | View |
2025-01-14 Tax Withholding | 2025-01-15 4:13 pm | N/A N/A | COMCAST CORP | CMCSA | Armstrong Jason CFO | 3,580 | $36.38 | 74,994 (Direct) | View |
2025-01-02 Tax Withholding | 2025-01-06 4:17 pm | N/A N/A | COMCAST CORP | CMCSA | Reid Thomas J. Chief Legal Officer, Secretary | 3,943 | $37.42 | 135,581 (Direct) | View |
2025-01-02 Exercise | 2025-01-06 4:17 pm | N/A N/A | COMCAST CORP | CMCSA | Reid Thomas J. Chief Legal Officer, Secretary | 11,700 | $0 | 135,581 (Direct) | View |
2025-01-02 I | 2025-01-06 4:17 pm | N/A N/A | COMCAST CORP | CMCSA | Reid Thomas J. Chief Legal Officer, Secretary | 1,701 | $37.42 | 135,581 (Direct) | View |
2025-01-02 I | 2025-01-06 4:14 pm | N/A N/A | COMCAST CORP | CMCSA | Cavanagh Michael J President | 46,232 | $37.42 | 388,522 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 4:16 pm | N/A N/A | COMCAST CORP | CMCSA | NOVAK DAVID C Director | 900 | $0 | 376,228 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 4:16 pm | N/A N/A | COMCAST CORP | CMCSA | NAKAHARA ASUKA Director | 900 | $0 | 51,255 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 4:14 pm | N/A N/A | COMCAST CORP | CMCSA | Lucas Wonya Y Director | 900 | $0 | 12,025 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 4:14 pm | N/A N/A | COMCAST CORP | CMCSA | Honickman Jeffrey A Director | 1,166 | $0 | 245,375 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 4:12 pm | N/A N/A | COMCAST CORP | CMCSA | BREEN EDWARD D Director | 1,066 | $0 | 26,404 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 4:12 pm | N/A N/A | COMCAST CORP | CMCSA | Bell Madeline S. Director | 900 | $0 | 39,047 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 4:12 pm | N/A N/A | COMCAST CORP | CMCSA | Brady Louise F. Director | 900 | $0 | 16,081 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 4:11 pm | N/A N/A | COMCAST CORP | CMCSA | Baltimore Thomas J Jr Director | 900 | $0 | 22,390 (Direct) | View |
2024-11-29 Option Award | 2024-12-03 4:16 pm | N/A N/A | COMCAST CORP | CMCSA | Murdock Daniel C. EVP & Chief Accounting Officer | 7,645 | $0 | 23,210 (Direct) | View |
2024-11-26 Tax Withholding | 2024-11-29 1:19 pm | N/A N/A | COMCAST CORP | CMCSA | Cavanagh Michael J President | 214,110 | $42.55 | 405,698 (Indirect) | View |
2024-11-26 Exercise | 2024-11-29 1:19 pm | N/A 2025-05-14 | COMCAST CORP | CMCSA | Cavanagh Michael J President | 714,960 | $28.32 | 405,698 (Direct) | View |
2024-11-26 Tax Withholding | 2024-11-29 1:19 pm | N/A N/A | COMCAST CORP | CMCSA | Cavanagh Michael J President | 367,691 | $42.6 | 405,698 (Direct) | View |
2024-11-20 Option Award | 2024-11-22 4:15 pm | N/A N/A | COMCAST CORP | CMCSA | NOVAK DAVID C Director | 5,234 | $0 | 375,328 (Direct) | View |
2024-11-20 Option Award | 2024-11-22 4:14 pm | N/A N/A | COMCAST CORP | CMCSA | NAKAHARA ASUKA Director | 5,234 | $0 | 50,355 (Direct) | View |
2024-11-20 Option Award | 2024-11-22 4:14 pm | N/A N/A | COMCAST CORP | CMCSA | Lucas Wonya Y Director | 5,234 | $0 | 11,125 (Direct) | View |
2024-11-20 Option Award | 2024-11-22 4:14 pm | N/A N/A | COMCAST CORP | CMCSA | Honickman Jeffrey A Director | 5,234 | $0 | 244,209 (Direct) | View |
2024-11-20 Option Award | 2024-11-22 4:13 pm | N/A N/A | COMCAST CORP | CMCSA | BREEN EDWARD D Director | 5,234 | $0 | 25,338 (Direct) | View |
2024-11-20 Option Award | 2024-11-22 4:13 pm | N/A N/A | COMCAST CORP | CMCSA | Brady Louise F. Director | 5,234 | $0 | 15,181 (Direct) | View |
2024-11-20 Option Award | 2024-11-22 4:12 pm | N/A N/A | COMCAST CORP | CMCSA | Bell Madeline S. Director | 5,234 | $0 | 38,147 (Direct) | View |
2024-11-20 Option Award | 2024-11-22 4:11 pm | N/A N/A | COMCAST CORP | CMCSA | Baltimore Thomas J Jr Director | 5,234 | $0 | 21,490 (Direct) | View |
2024-11-20 Tax Withholding | 2024-11-22 4:10 pm | N/A N/A | COMCAST CORP | CMCSA | BACON KENNETH J Director | 81 | $42.99 | 47,141 (Direct) | View |
2024-11-20 Option Award | 2024-11-22 4:10 pm | N/A N/A | COMCAST CORP | CMCSA | BACON KENNETH J Director | 5,234 | $0 | 47,141 (Direct) | View |
2024-11-06 Exercise | 2024-11-07 4:07 pm | N/A 2025-03-19 | COMCAST CORP | CMCSA | Armstrong Jason CFO | 68,200 | $29.73 | 25,324 (Direct) | View |
2024-11-06 Tax Withholding | 2024-11-07 4:07 pm | N/A N/A | COMCAST CORP | CMCSA | Armstrong Jason CFO | 54,952 | $44.86 | 25,324 (Direct) | View |
2024-11-04 Gift | 2024-11-05 4:14 pm | N/A N/A | COMCAST CORP | CMCSA | ROBERTS BRIAN L Chairman of Board & CEO | 517,000 | $0 | 23,958,015 (Direct) | View |
2024-09-30 Option Award | 2024-10-01 4:16 pm | N/A N/A | COMCAST CORP | CMCSA | NOVAK DAVID C Director | 808 | $0 | 370,094 (Direct) | View |
2024-09-30 Option Award | 2024-10-01 4:15 pm | N/A N/A | COMCAST CORP | CMCSA | NAKAHARA ASUKA Director | 808 | $0 | 45,121 (Direct) | View |
2024-09-30 Option Award | 2024-10-01 4:14 pm | N/A N/A | COMCAST CORP | CMCSA | Lucas Wonya Y Director | 808 | $0 | 5,891 (Direct) | View |
2024-09-30 Option Award | 2024-10-01 4:13 pm | N/A N/A | COMCAST CORP | CMCSA | Honickman Jeffrey A Director | 1,048 | $0 | 238,975 (Direct) | View |