Comcast Corporation (CMCSA) SEC Filings

Browse all Comcast Corporation SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more

Comcast Corporation Reports: Annual 10-K, Quarterly 10-Q & SEC Filings

SEC Filings

Date

8-K

Material company events (earnings, M&A, or leadership changes)

May 27, 2026

SD

Specialized disclosure report (e.g., conflict minerals)

May 22, 2026

4

Insider ownership (buying, selling) activity

May 20, 2026

SC 13G

Passive large shareholder ownership disclosure

May 14, 2026

4

Insider ownership (buying, selling) activity

May 12, 2026

SC 13G

Passive large shareholder ownership disclosure

Apr 29, 2026

DEFA14A

Additional or supplemental proxy disclosures

Apr 24, 2026

DEF 14A

Final shareholder voting details (board elections and executive pay)

Apr 24, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Apr 23, 2026

10-Q

Quarterly financial results and management updates

Apr 23, 2026

4

Insider ownership (buying, selling) activity

Apr 3, 2026

4

Insider ownership (buying, selling) activity

Apr 2, 2026

4

Insider ownership (buying, selling) activity

Apr 2, 2026

4

Insider ownership (buying, selling) activity

Apr 2, 2026

4

Insider ownership (buying, selling) activity

Apr 2, 2026

4

Insider ownership (buying, selling) activity

Apr 2, 2026

SC 13G/A

Updated passive ownership disclosure

Mar 26, 2026

4

Insider ownership (buying, selling) activity

Mar 18, 2026

4

Insider ownership (buying, selling) activity

Mar 18, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Mar 16, 2026

4

Insider ownership (buying, selling) activity

Mar 6, 2026

4

Insider ownership (buying, selling) activity

Mar 3, 2026

4

Insider ownership (buying, selling) activity

Mar 3, 2026

4

Insider ownership (buying, selling) activity

Mar 3, 2026

4

Insider ownership (buying, selling) activity

Mar 3, 2026

4

Insider ownership (buying, selling) activity

Mar 3, 2026

4

Insider ownership (buying, selling) activity

Mar 3, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Feb 27, 2026

4

Insider ownership (buying, selling) activity

Feb 26, 2026

4

Insider ownership (buying, selling) activity

Feb 26, 2026

4

Insider ownership (buying, selling) activity

Feb 26, 2026

4

Insider ownership (buying, selling) activity

Feb 26, 2026

4

Insider ownership (buying, selling) activity

Feb 26, 2026

4

Insider ownership (buying, selling) activity

Feb 13, 2026

4

Insider ownership (buying, selling) activity

Feb 13, 2026

SC 13G

Passive large shareholder ownership disclosure

Feb 9, 2026

3

Initial disclosure of insider ownership

Feb 5, 2026

4

Insider ownership (buying, selling) activity

Feb 5, 2026

4

Insider ownership (buying, selling) activity

Feb 4, 2026

4

Insider ownership (buying, selling) activity

Feb 3, 2026

Comcast Corporation (Form 8-K) 2026

Current Events / Material company events (earnings, M&A, or leadership changes)

May 27, 2026

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