Berkshire Hathaway
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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
2026
FWP
Free writing prospectus related to a securities offering
424B5
Shelf offering prospectus with final pricing terms
4
Insider ownership (buying, selling) activity
SC 13G/A
Updated passive ownership disclosure
4
Insider ownership (buying, selling) activity
ARS
Annual Report to Shareholders
DEFA14A
Additional or supplemental proxy disclosures
DEFA14A
Additional or supplemental proxy disclosures
DEF 14A
Final shareholder voting details (board elections and executive pay)
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
8-K
Material company events (earnings, M&A, or leadership changes)
10-K
Annual financial results and management updates
3
Initial disclosure of insider ownership
4
Insider ownership (buying, selling) activity
SC 13G
Passive large shareholder ownership disclosure
SC 13G/A
Updated passive ownership disclosure
13F-HR
Quarterly equity holdings of institutional investment managers
SC 13G/A
Updated passive ownership disclosure
SC 13G/A
Updated passive ownership disclosure
4
Insider ownership (buying, selling) activity
8-K/A
Corrected company event report
2025
S-8 POS
Post-effective update to employee stock plan registration
8-K
Material company events (earnings, M&A, or leadership changes)
8-K
Material company events (earnings, M&A, or leadership changes)
424B5
Shelf offering prospectus with final pricing terms
SC 13G/A
Updated passive ownership disclosure
SC 13G/A
Updated passive ownership disclosure
FWP
Free writing prospectus related to a securities offering
13F-HR
Quarterly equity holdings of institutional investment managers
SC 13G/A
Updated passive ownership disclosure
SC 13G/A
Updated passive ownership disclosure
SC 13G/A
Updated passive ownership disclosure
SC 13G/A
Updated passive ownership disclosure
SC 13D/A
Updated disclosure of active ownership changes
4
Insider ownership (buying, selling) activity
424B5
Shelf offering prospectus with final pricing terms
4
Insider ownership (buying, selling) activity
10-Q
Quarterly financial results and management updates
8-K
Material company events (earnings, M&A, or leadership changes)
Berkshire Hathaway (Form FWP) 2026
Stock Offerings / Free writing prospectus related to a securities offering
Apr 10, 2026
