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Berkshire Hathaway (BRK-B) SEC Filing (8-K) 2025

Browse all Berkshire Hathaway 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

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Last updated: March 17, 2026, 5:32 AM ET

SEC Filings

Date

2025

8-K

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

Nov 21, 2025 10:46 AM

2026

10-Q

Quarterly financial results and management updates

Aug 10, 2026 06:01 AM

4

Insider ownership (buying, selling) activity

Aug 4, 2026 05:27 PM

SC 13D/A

Updated disclosure of active ownership changes

Jul 15, 2026 04:30 PM

4

Insider ownership (buying, selling) activity

Jul 15, 2026 04:32 PM

4

Insider ownership (buying, selling) activity

Jul 2, 2026 02:33 PM

11-K

Annual performance report of employee stock plans

Jun 25, 2026 12:58 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 22, 2026 04:53 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 22, 2026 04:51 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 22, 2026 04:52 PM

11-K

Annual performance report of employee stock plans

Jun 18, 2026 05:25 PM

11-K

Annual performance report of employee stock plans

Jun 15, 2026 05:52 PM

11-K

Annual performance report of employee stock plans

Jun 15, 2026 11:49 AM

11-K

Annual performance report of employee stock plans

Jun 11, 2026 06:17 PM

11-K

Annual performance report of employee stock plans

Jun 12, 2026 03:51 PM

11-K

Annual performance report of employee stock plans

Jun 12, 2026 03:51 PM

3

Initial disclosure of insider ownership

Jun 10, 2026 04:26 PM

11-K

Annual performance report of employee stock plans

May 29, 2026 04:12 PM

11-K

Annual performance report of employee stock plans

May 28, 2026 06:00 AM

4

Insider ownership (buying, selling) activity

May 26, 2026 07:05 PM

SD

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

May 22, 2026 04:15 PM

4

Insider ownership (buying, selling) activity

May 20, 2026 04:05 PM

4

Insider ownership (buying, selling) activity

May 18, 2026 06:17 PM

SC 13G

Passive large shareholder ownership disclosure

May 15, 2026 04:50 PM

13F-HR

Quarterly equity holdings of institutional investment managers

May 15, 2026 04:06 PM

SC 13G/A

Updated passive ownership disclosure

May 15, 2026 04:53 PM

SC 13G/A

Updated passive ownership disclosure

May 15, 2026 04:53 PM

SC 13G/A

Updated passive ownership disclosure

May 15, 2026 04:53 PM

SC 13G/A

Updated passive ownership disclosure

May 15, 2026 04:56 PM

SC 13G

Passive large shareholder ownership disclosure

May 15, 2026 04:57 PM

SC 13G/A

Updated passive ownership disclosure

May 15, 2026 05:10 PM

8-K

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

May 7, 2026 04:33 PM

4

Insider ownership (buying, selling) activity

May 6, 2026 07:04 PM

4

Insider ownership (buying, selling) activity

May 5, 2026 06:52 PM

3

Initial disclosure of insider ownership

May 5, 2026 04:05 PM

10-Q

Quarterly financial results and management updates

May 4, 2026 06:01 AM

SC 13G

Passive large shareholder ownership disclosure

Apr 29, 2026 05:04 PM

8-K

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

Apr 16, 2026 05:15 PM

424B5

Shelf offering prospectus with final pricing terms

Apr 14, 2026 11:55 AM

FWP

Free writing prospectus related to a securities offering

Apr 10, 2026 03:05 PM

424B5

Shelf offering prospectus with final pricing terms

Apr 1, 2026 09:52 PM

Berkshire Hathaway (Form 8-K) 2025

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

Nov 21, 2025 10:46 AM

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