CMCSA Insider Transactions
431 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
CMCSA insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|
| Armstrong Jason | CFO | 2026-03-05 | Sale | 4,494.0 | $31.74 |
|---|
| Cavanagh Michael J | Co-CEO | 2026-02-11 | Sale | 57,947.0 | $32.66 |
|---|
| NAKAHARA ASUKA | Director | 2026-02-03 | Sale | 8,275.0 | $29.7 |
|---|
| ROBERTS BRIAN L | Chairman of Board & CEO | 2024-11-27 | Sale | 235,051.0 | $42.8 |
|---|
| ROBERTS BRIAN L | Chairman of Board & CEO | 2024-11-26 | Sale | 234,464.0 | $42.66 |
|---|
| Cavanagh Michael J | President | 2024-11-26 | Sale | 107,622.0 | $42.53 |
|---|
| Cavanagh Michael J | President | 2024-11-26 | Sale | 25,537.0 | $42.59 |
|---|
| BACON KENNETH J | Director | 2024-11-22 | Sale | 14,408.0 | $43.39 |
|---|
| Armstrong Jason | CFO | 2024-11-06 | Sale | 13,248.0 | $44.83 |
|---|
| Armstrong Jason | CFO | 2024-11-06 | Sale | 10,000.0 | $44.86 |
|---|
| Cavanagh Michael J | President | 2024-01-29 | Sale | 114,749.0 | $46.1 |
|---|
| Armstrong Jason | CFO | 2023-11-20 | Sale | 35,191.81 | $42.63 |
|---|
| Armstrong Jason | CFO | 2023-11-20 | Sale | 6,471.0 | $42.6 |
|---|
| ROBERTS BRIAN L | Chairman of Board & CEO | 2023-11-14 | Sale | 616,143.0 | $41.92 |
|---|
| BACON KENNETH J | Director | 2022-12-14 | Sale | 2,000.0 | $35.89 |
|---|
| Murdock Daniel C. | EVP & Chief Accounting Officer | 2022-05-27 | Sale | 8,929.0 | $44.5 |
|---|
| WATSON DAVID N | CEO - Comcast Cable | 2022-03-11 | Sale | 65,410.0 | $45.69 |
|---|
| BACON KENNETH J | Director | 2021-06-04 | Sale | 4,031.0 | $56.89 |
|---|
| BACON KENNETH J | Director | 2021-05-10 | Sale | 3,966.0 | $58.83 |
|---|
| Murdock Daniel C. | EVP & Chief Accounting Officer | 2021-05-03 | Sale | 9,799.7 | $56.89 |
|---|
| ROBERTS BRIAN L | Chairman of Board, Pres. & CEO | 2021-04-30 | Sale | 709,673.0 | $55.2 |
|---|
| Montiel Maritza Gomez | Director | 2021-03-04 | Sale | 6,000.0 | $54.24 |
|---|
| Miller Adam Louis | EVP | 2021-03-04 | Sale | 32,891.0 | $54.89 |
|---|
| WATSON DAVID N | Sr. EVP | 2021-02-11 | Sale | 181,281.0 | $52.75 |
|---|
| Montiel Maritza Gomez | Director | 2021-01-28 | Sale | 1,000.0 | $49.95 |
|---|
| Montiel Maritza Gomez | Director | 2021-01-28 | Sale | 1,000.0 | $50.0 |
|---|
| SHELL JEFF | CEO - NBCUniversal | 2020-12-02 | Sale | 5,582.0 | $51.23 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2020-08-24 | Sale | 848.0 | $42.87 |
|---|
| SHELL JEFF | CEO - NBCUniversal | 2020-08-03 | Sale | 99,484.0 | $42.91 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2020-06-15 | Sale | 4,536.0 | $38.6 |
|---|
| BONOVITZ SHELDON M | Director | 2020-05-08 | Sale | 15,660.0 | $36.47 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2020-04-16 | Sale | 919.0 | $37.53 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2020-03-19 | Sale | 672.0 | $35.64 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2020-03-18 | Sale | 919.0 | $36.23 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2020-03-17 | Sale | 1,038.0 | $36.55 |
|---|
| WATSON DAVID N | Sr. EVP | 2020-03-16 | Sale | 117,230.0 | $37.3 |
|---|
| WATSON DAVID N | Sr. EVP | 2020-03-16 | Sale | 85,552.0 | $36.69 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2020-02-20 | Sale | 1,176.0 | $45.8 |
|---|
| ROBERTS BRIAN L | Chairman of Board, Pres. & CEO | 2020-02-06 | Sale | 513,706.0 | $44.64 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-12-16 | Sale | 260,195.0 | $43.83 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-12-16 | Sale | 373,508.0 | $43.71 |
|---|
| WATSON DAVID N | Sr. EVP | 2019-12-16 | Sale | 78,100.0 | $43.67 |
|---|
| BONOVITZ SHELDON M | Director | 2019-10-29 | Sale | 5,600.0 | $45.47 |
|---|
| ROBERTS BRIAN L | Chairman of Board, Pres. & CEO | 2019-10-28 | Sale | 508,248.0 | $44.98 |
|---|
| BACON KENNETH J | Director | 2019-09-04 | Sale | 4,000.0 | $45.03 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2019-08-22 | Sale | 848.0 | $44.23 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2019-06-13 | Sale | 1,701.0 | $41.46 |
|---|
| BURKE STEPHEN B | Sr. EVP | 2019-04-26 | Sale | 239,307.0 | $43.31 |
|---|
| BURKE STEPHEN B | Sr. EVP | 2019-04-26 | Sale | 149,392.0 | $43.29 |
|---|
| BURKE STEPHEN B | Sr. EVP | 2019-04-26 | Sale | 68,934.0 | $43.59 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-04-23 | Sale | 4,467.0 | $41.88 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2019-04-17 | Sale | 1,038.0 | $42.0 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-04-17 | Sale | 4,468.0 | $42.0 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-03-29 | Sale | 120,000.0 | $39.86 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-03-28 | Sale | 11,631.0 | $40.31 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-03-28 | Sale | 4,953.0 | $40.3 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-03-28 | Sale | 4,520.0 | $40.32 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-03-28 | Sale | 3,667.0 | $40.31 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2019-03-26 | Sale | 6,260.0 | $39.38 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2019-03-25 | Sale | 4,044.0 | $39.46 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2019-03-25 | Sale | 3,461.0 | $39.47 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-03-22 | Sale | 15,910.0 | $39.87 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-03-22 | Sale | 11,632.0 | $39.57 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2019-03-22 | Sale | 6,456.0 | $39.87 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2019-03-22 | Sale | 2,263.0 | $39.88 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-03-21 | Sale | 4,953.0 | $39.63 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-03-21 | Sale | 4,520.0 | $39.53 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-03-21 | Sale | 3,668.0 | $39.48 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2019-03-21 | Sale | 5,386.0 | $39.28 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2019-03-21 | Sale | 2,471.0 | $39.45 |
|---|
| ROBERTS BRIAN L | Chairman of Board, Pres. & CEO | 2019-03-19 | Sale | 203,933.0 | $39.89 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2019-03-19 | Sale | 672.0 | $39.98 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2019-03-19 | Sale | 2,471.0 | $39.98 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2019-03-18 | Sale | 919.0 | $40.36 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2019-03-18 | Sale | 1,967.0 | $40.23 |
|---|
| WATSON DAVID N | Sr. EVP | 2019-02-21 | Sale | 201,007.0 | $38.31 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-02-19 | Sale | 40,540.0 | $37.67 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-02-19 | Sale | 40,540.0 | $37.69 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-02-19 | Sale | 164,288.0 | $37.85 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2019-02-14 | Sale | 1,966.0 | $37.4 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-02-12 | Sale | 54,815.0 | $37.21 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-02-12 | Sale | 40,541.0 | $37.19 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-02-12 | Sale | 163,581.0 | $37.12 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-02-05 | Sale | 54,815.0 | $37.1 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-02-05 | Sale | 40,541.0 | $37.09 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-02-05 | Sale | 13,514.0 | $37.08 |
|---|
| COHEN DAVID L | Sr. EVP | 2019-02-05 | Sale | 166,876.0 | $36.96 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2019-01-24 | Sale | 845.0 | $35.55 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2018-12-27 | Sale | 4,129.0 | $33.8 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2018-12-18 | Sale | 5,743.0 | $36.41 |
|---|
| BACON KENNETH J | Director | 2018-12-10 | Sale | 7,636.0 | $37.04 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2018-09-27 | Sale | 6,448.0 | $35.48 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2018-09-24 | Sale | 1,082.0 | $35.94 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2018-06-13 | Sale | 1,694.0 | $31.05 |
|---|
| Murdock Daniel C. | SVP & Chief Accounting Officer | 2018-04-18 | Sale | 916.0 | $33.2 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2018-03-27 | Sale | 6,358.0 | $33.69 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2018-03-26 | Sale | 5,939.0 | $33.71 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2018-03-26 | Sale | 3,728.0 | $33.7 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2018-03-23 | Sale | 7,792.0 | $33.51 |
|---|
| BLOCK ARTHUR R | EVP, GC and Secretary | 2018-03-23 | Sale | 3,078.0 | $33.42 |
|---|