Berkshire Hathaway (BRK-B) SEC Filings

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

Berkshire Hathaway Reports: Annual 10-K, Quarterly 10-Q & SEC Filings

SEC Filings

Date

8-K

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

May 7, 2026

4

Insider ownership (buying, selling) activity

May 6, 2026

3

Initial disclosure of insider ownership

May 5, 2026

4

Insider ownership (buying, selling) activity

May 5, 2026

10-Q

Quarterly financial results and management updates

May 4, 2026

SC 13G

Passive large shareholder ownership disclosure

Apr 29, 2026

8-K

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

Apr 16, 2026

424B5

Shelf offering prospectus with final pricing terms

Apr 14, 2026

FWP

Free writing prospectus related to a securities offering

Apr 10, 2026

424B5

Shelf offering prospectus with final pricing terms

Apr 2, 2026

4

Insider ownership (buying, selling) activity

Mar 27, 2026

SC 13G/A

Updated passive ownership disclosure

Mar 26, 2026

4

Insider ownership (buying, selling) activity

Mar 19, 2026

DEF 14A

Final shareholder voting details (board elections and executive pay)

Mar 13, 2026

DEFA14A

Additional or supplemental proxy disclosures

Mar 13, 2026

DEFA14A

Additional or supplemental proxy disclosures

Mar 13, 2026

ARS

Annual Report to Shareholders

Mar 13, 2026

4

Insider ownership (buying, selling) activity

Mar 5, 2026

8-K

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

Mar 5, 2026

8-K

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

Mar 2, 2026

10-K

Annual financial results and management updates

Mar 2, 2026

4

Insider ownership (buying, selling) activity

Feb 17, 2026

3

Initial disclosure of insider ownership

Feb 17, 2026

SC 13G

Passive large shareholder ownership disclosure

Feb 17, 2026

SC 13G/A

Updated passive ownership disclosure

Feb 17, 2026

13F-HR

Quarterly equity holdings of institutional investment managers

Feb 17, 2026

SC 13G/A

Updated passive ownership disclosure

Feb 17, 2026

SC 13G/A

Updated passive ownership disclosure

Feb 5, 2026

4

Insider ownership (buying, selling) activity

Feb 2, 2026

8-K/A

Corrected company event report

Jan 6, 2026

S-8 POS

Post-effective update to employee stock plan registration

Dec 23, 2025

8-K

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

Dec 11, 2025

8-K

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

Nov 21, 2025

424B5

Shelf offering prospectus with final pricing terms

Nov 18, 2025

13F-HR

Quarterly equity holdings of institutional investment managers

Nov 14, 2025

SC 13G/A

Updated passive ownership disclosure

Nov 14, 2025

SC 13G/A

Updated passive ownership disclosure

Nov 14, 2025

SC 13G/A

Updated passive ownership disclosure

Nov 14, 2025

SC 13G/A

Updated passive ownership disclosure

Nov 14, 2025

SC 13G/A

Updated passive ownership disclosure

Nov 14, 2025

Berkshire Hathaway (Form 8-K) 2026

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

May 7, 2026

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