Capital One Financial Corporation (COF) SEC Filing (4) 2026

Browse all Capital One Financial 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

Last updated: September 4, 2026, 11:47 PM ET

SEC Filings

Date

S-8 POS

Post-effective update to employee stock plan registration

Sep 4, 2026 04:09 PM

4

Insider ownership (buying, selling) activity

Sep 2, 2026 04:23 PM

8-K

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

Sep 1, 2026 04:18 PM

S-8 POS

Post-effective update to employee stock plan registration

Aug 28, 2026 04:05 PM

8-K

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

Aug 20, 2026 09:22 AM

4

Insider ownership (buying, selling) activity

Aug 18, 2026 07:43 PM

4

Insider ownership (buying, selling) activity

Aug 18, 2026 07:42 PM

4

Insider ownership (buying, selling) activity

Aug 17, 2026 04:17 PM

8-K

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

Aug 14, 2026 05:32 PM

4

Insider ownership (buying, selling) activity

Aug 11, 2026 04:15 PM

4

Insider ownership (buying, selling) activity

Aug 10, 2026 04:05 PM

4

Insider ownership (buying, selling) activity

Aug 5, 2026 04:06 PM

4

Insider ownership (buying, selling) activity

Aug 5, 2026 04:04 PM

4

Insider ownership (buying, selling) activity

Aug 4, 2026 04:46 PM

4

Insider ownership (buying, selling) activity

Aug 4, 2026 04:24 PM

4

Insider ownership (buying, selling) activity

Aug 3, 2026 04:10 PM

4

Insider ownership (buying, selling) activity

Jul 30, 2026 04:51 PM

10-Q

Quarterly financial results and management updates

Jul 28, 2026 05:08 PM

8-K

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

Jul 21, 2026 04:06 PM

8-K

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

Jul 21, 2026 04:05 PM

4

Insider ownership (buying, selling) activity

Jul 8, 2026 04:08 PM

11-K

Annual performance report of employee stock plans

Jun 26, 2026 06:40 PM

8-K

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

Jun 12, 2026 05:34 PM

8-K

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

Jun 9, 2026 04:08 PM

424B7

Prospectus filed after effectiveness

Jun 9, 2026 04:06 PM

8-K

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

Jun 8, 2026 04:05 PM

S-8

Registration of shares for employee stock plans

May 27, 2026 04:05 PM

8-K

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

May 14, 2026 05:32 PM

4

Insider ownership (buying, selling) activity

May 14, 2026 04:39 PM

4

Insider ownership (buying, selling) activity

May 14, 2026 04:38 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:03 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:03 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:02 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:01 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:00 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 05:00 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 04:59 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 04:58 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 04:57 PM

4

Insider ownership (buying, selling) activity

May 12, 2026 04:54 PM

Capital One Financial Corporation (Form 4) 2026

Insider Trades / Insider ownership (buying, selling) activity

Aug 18, 2026 07:43 PM

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