CMCSA
Comcast Corporation has filed 1,000 documents with the SEC between 2018 and 2026. The most frequent type is insider trade (634 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2026-01-22 | 2026-01-20 |
| Insider trade | 4 | 2026-01-22 | 2026-01-20 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2026-01-05 | 2026-01-02 |
| Major company event | 8-K | 2026-01-05 | 2026-01-02 |
| Major company event | 8-K | 2025-12-23 | 2025-12-19 |
| Major company event | 8-K | 2025-12-16 | 2025-12-16 |
| Major company event | 8-K | 2025-12-15 | 2025-12-15 |
| New insider ownership | 3 | 2025-12-08 | 2025-12-06 |
| Major company event | 8-K | 2025-12-03 | 2025-12-03 |
| Insider trade | 4 | 2025-11-21 | 2025-11-20 |
| Insider trade | 4 | 2025-11-21 | 2025-11-20 |
| Insider trade | 4 | 2025-11-21 | 2025-11-20 |
| Insider trade | 4 | 2025-11-21 | 2025-11-20 |
| Insider trade | 4 | 2025-11-21 | 2025-11-20 |
| Insider trade | 4 | 2025-11-21 | 2025-11-20 |
| Insider trade | 4 | 2025-11-21 | 2025-11-20 |
| Insider trade | 4 | 2025-11-21 | 2025-11-20 |
| Insider trade | 4 | 2025-11-21 | 2025-11-20 |
| Insider trade | 4 | 2025-11-05 | 2025-11-03 |
| Quarterly report | 10-Q | 2025-10-30 | 2025-09-30 |
| Major company event | 8-K | 2025-10-30 | 2025-10-30 |
| Major company event | 8-K | 2025-10-09 | 2025-10-09 |
| Major company event | 8-K | 2025-10-08 | 2025-10-08 |
| Major company event | 8-K | 2025-10-06 | 2025-10-06 |
| Insider trade | 4 | 2025-10-02 | 2025-09-30 |
| Insider trade | 4 | 2025-10-02 | 2025-09-30 |
| Insider trade | 4 | 2025-10-02 | 2025-09-30 |
| Insider trade | 4 | 2025-10-02 | 2025-09-30 |
| Insider trade | 4 | 2025-10-02 | 2025-09-30 |
| Major company event | 8-K | 2025-10-02 | 2025-10-02 |
| Major company event | 8-K | 2025-10-01 | 2025-10-01 |
| Major company event | 8-K | 2025-09-29 | 2025-09-29 |
| Major company event | 8-K | 2025-09-29 | 2025-09-29 |
| Major company event | 8-K | 2025-09-26 | 2025-09-26 |
| Major company event | 8-K | 2025-09-22 | 2025-09-22 |
| Insider trade | 4 | 2025-09-04 | 2025-09-02 |
| Major company event | 8-K | 2025-08-22 | 2025-08-22 |
| Insider trade | 4 | 2025-08-21 | 2025-08-20 |
| Insider trade | 4 | 2025-08-07 | 2025-08-05 |
| Quarterly report | 10-Q | 2025-07-31 | 2025-06-30 |
| Major company event | 8-K | 2025-07-31 | 2025-07-31 |
| Insider trade | 4 | 2025-07-02 | 2025-06-30 |
| Insider trade | 4 | 2025-07-02 | 2025-06-30 |
| Insider trade | 4 | 2025-07-02 | 2025-06-30 |
| Insider trade | 4 | 2025-07-02 | 2025-06-30 |
| Insider trade | 4 | 2025-07-02 | 2025-06-30 |
| Employee stock plan | S-8 | 2025-07-02 | - |
| Insider trade | 4 | 2025-06-20 | 2025-06-19 |
| Major company event | 8-K | 2025-06-20 | 2025-06-18 |