Updated Jul 16, 2026 · Last SEC filing 2026-07-02
COMCAST CORP (CMCSA) has filed 7 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 6 Form 8-K material event filings were reported by CMCSA in the last 90 days. InsiderAlpha tracks every CMCSA SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Cable & Other Pay Television Services (SIC 4841) |
|---|---|
| SEC CIK | 0001166691 |
| Form 4 filings (90d) | 7 |
|---|---|
| Form 8-K filings (90d) | 6 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Baltimore Thomas J Jr | Director | A — Grant or award | 1.4K | $0.00 | — | SEC | |
| Smith Gordon | Director | A — Grant or award | 1.4K | $0.00 | — | SEC | |
| Honickman Jeffrey A | Director | A — Grant or award | 1.8K | $0.00 | — | SEC | |
| Brady Louise F. | Director | A — Grant or award | 1.4K | $0.00 | — | SEC | |
| BREEN EDWARD D | Director | A — Grant or award | 815 | $0.00 | — | SEC | |
| ROBERTS BRIAN L | Chairman of Board & Co-CEO | G — Bona-fide gift | 202.5K | $0.00 | — | SEC | |
| BREEN EDWARD D | Director | G — Bona-fide gift | 32.4K | $0.00 | — | SEC | |
| Murdock Daniel C. | EVP & Chief Accounting Officer | F — Tax withholding / forfeiture | 2.1K | $27.93 | $58K | SEC | |
| Murdock Daniel C. | EVP & Chief Accounting Officer | M — Option exercise | 5.3K | $0.00 | — | SEC | |
| Baltimore Thomas J Jr | Director | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| BREEN EDWARD D | Director | A — Grant or award | 697 | $0.00 | — | SEC | |
| Honickman Jeffrey A | Director | A — Grant or award | 1.5K | $0.00 | — | SEC | |
| Brady Louise F. | Director | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| Smith Gordon | Director | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| Khoury Jennifer | Chief Communications Officer | F — Tax withholding / forfeiture | 10.5K | $30.08 | $316K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for COMCAST CORP (CMCSA). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| BREEN EDWARD D | 2 | — |
| Baltimore Thomas J Jr | 1 | — |
| Brady Louise F. | 1 | — |
| Honickman Jeffrey A | 1 | — |
| Smith Gordon | 1 | — |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CMCSA insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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