SEC Form 4 · Updated Daily
CMCSA
— COMCAST CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| ROBERTS BRIAN L | Director · Officer | 5,391,826 | 2026-09-02 | G |
| Honickman Jeffrey A | Director | 271,783.639 | 2026-06-30 | A |
| Reid Thomas J. | Officer | 174,809.38 | 2026-03-01 | F |
| Armstrong Jason | Officer | 98,902.583 | 2026-03-05 | F |
| Murdock Daniel C. | Officer | 62,362.05 | 2026-04-03 | F |
| Khoury Jennifer | Officer | 60,538 | 2026-03-17 | F |
| NAKAHARA ASUKA | Director | 57,957.705 | 2026-02-03 | S |
| Baltimore Thomas J Jr | Director | 41,257.219 | 2026-06-30 | A |
| Cavanagh Michael J | Director · Officer | 38,633 | 2026-03-01 | F |
| Brady Louise F. | Director | 34,769.838 | 2026-06-30 | A |
| BREEN EDWARD D | Director | 27,337.277 | 2026-08-17 | G |
| Smith Gordon | Director | 10,521.628 | 2026-06-30 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-02 | ROBERTS BRIAN L | Gift | 101,900 | $0.00 | 5,391,826 |
| 2026-09-01 | ROBERTS BRIAN L | I (derivative) | 382,860 | $26.30 | 0 |
| 2026-09-01 | Cavanagh Michael J | I (derivative) | 565,642 | $26.30 | 0 |
| 2026-09-01 | Cavanagh Michael J | I (derivative) | 392,769.065 | $26.30 | 0 |
| 2026-08-17 | BREEN EDWARD D | Gift | 62,440 | $0.00 | 27,337.277 |
| 2026-08-05 | ROBERTS BRIAN L | Gift | 204,100 | $0.00 | 5,493,726 |
| 2026-06-30 | Baltimore Thomas J Jr | Grant / award | 1,375 | $0.00 | 41,257.219 |
| 2026-06-30 | Brady Louise F. | Grant / award | 1,375 | $0.00 | 34,769.838 |
| 2026-06-30 | BREEN EDWARD D | Grant / award | 815 | $0.00 | 89,777.277 |
| 2026-06-30 | Honickman Jeffrey A | Grant / award | 1,783 | $0.00 | 271,783.639 |
| 2026-06-30 | Smith Gordon | Grant / award | 1,375 | $0.00 | 10,521.628 |
| 2026-05-19 | ROBERTS BRIAN L | Gift | 202,500 | $0.00 | 5,697,826 |
| 2026-05-11 | BREEN EDWARD D | Gift | 32,440 | $0.00 | 88,962.277 |
| 2026-04-03 | Murdock Daniel C. | Option exercise (derivative) | 5,268 | $0.00 | 48,290 |
| 2026-04-03 | Murdock Daniel C. | Tax withholding | 2,073 | $27.93 | 62,362.05 |
| 2026-04-03 | Murdock Daniel C. | Option exercise | 5,268 | $0.00 | 64,435.05 |
| 2026-03-31 | Baltimore Thomas J Jr | Grant / award | 1,176 | $0.00 | 39,043.493 |
| 2026-03-31 | Brady Louise F. | Grant / award | 1,176 | $0.00 | 32,682.89 |
| 2026-03-31 | BREEN EDWARD D | Grant / award | 697 | $0.00 | 56,522.277 |
| 2026-03-31 | Honickman Jeffrey A | Grant / award | 1,524 | $0.00 | 262,583.021 |
| 2026-03-31 | Smith Gordon | Grant / award | 1,176 | $0.00 | 9,045 |
| 2026-03-17 | BREEN EDWARD D | Gift | 30,000 | $0.00 | 55,825.277 |
| 2026-03-17 | Khoury Jennifer | Option exercise (derivative) | 10,867 | $28.38 | 0 |
| 2026-03-17 | Khoury Jennifer | Tax withholding | 10,514 | $30.08 | 60,538 |
| 2026-03-17 | Khoury Jennifer | Option exercise | 10,867 | $28.38 | 71,052 |
| 2026-03-05 | Armstrong Jason | Option exercise (derivative) | 73,497 | $28.38 | 0 |
| 2026-03-05 | Armstrong Jason | Tax withholding | 69,003 | $31.75 | 98,902.583 |
| 2026-03-05 | Armstrong Jason | Open-market sale | 4,494 | $31.73 | 167,905.583 |
| 2026-03-05 | Armstrong Jason | Option exercise | 73,497 | $28.38 | 172,399.583 |
| 2026-03-01 | Reid Thomas J. | Option exercise (derivative) | 93,142 | $0.00 | 0 |
| 2026-03-01 | Reid Thomas J. | Tax withholding | 48,665 | $30.96 | 174,809.38 |
| 2026-03-01 | Reid Thomas J. | Option exercise | 93,142 | $0.00 | 223,474.38 |
| 2026-03-01 | Murdock Daniel C. | Option exercise (derivative) | 4,060 | $0.00 | 53,558 |
| 2026-03-01 | Murdock Daniel C. | Option exercise (derivative) | 3,875 | $0.00 | 57,618 |
| 2026-03-01 | Murdock Daniel C. | Option exercise (derivative) | 3,163 | $0.00 | 61,493 |
| 2026-03-01 | Murdock Daniel C. | Option exercise (derivative) | 2,270 | $0.00 | 64,656 |
| 2026-03-01 | Murdock Daniel C. | Tax withholding | 1,012 | $30.96 | 59,167.05 |
| 2026-03-01 | Murdock Daniel C. | Tax withholding | 944 | $30.96 | 60,179.05 |
| 2026-03-01 | Murdock Daniel C. | Tax withholding | 771 | $30.96 | 61,123.05 |
| 2026-03-01 | Murdock Daniel C. | Tax withholding | 553 | $30.96 | 61,894.05 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.