BERKSHIRE HATHAWAY INC (BRK.A) Insider Trading & SEC Filings
Last SEC filing
BERKSHIRE HATHAWAY INC (BRK.A) has filed 6 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-15. Insiders disclosed 2 open-market purchases totaling $251K. 1 Form 8-K material event filing was reported by BRK.A in the last 90 days. InsiderAlpha tracks every BRK.A SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About BERKSHIRE HATHAWAY INC (BRK.A)
BERKSHIRE HATHAWAY INC trades under the ticker BRK.A. InsiderAlpha tracks 26 primary SEC Form 4 filings from 5 reporting insiders for BRK.A since 2024, sourced directly from SEC EDGAR.
| Sector | Financials insider trading |
|---|---|
| SIC classification | Fire, Marine & Casualty Insurance (SIC 6331) |
| SEC CIK | 0001067983 |
90-Day SEC Filing Activity
| Insider purchases (90d) | 2 ($251K) |
|---|---|
| Form 4 filings (90d) | 6 |
| Form 8-K filings (90d) | 1 |
| Latest Form 4 filing | 2026-07-15 |
Recent BRK.A Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Warren E. Buffett | Insider | G - Bona-fide gift | 1.00M | $0.00 | - | SEC | |
| Warren E. Buffett | Insider | G - Bona-fide gift | 1.00M | $0.00 | - | SEC | |
| Warren E. Buffett | Insider | J - Other acquisition / disposition | 12.00M | $0.00 | - | SEC | |
| Warren E. Buffett | Insider | G - Bona-fide gift | 1.00M | $0.00 | - | SEC | |
| Warren E. Buffett | Insider | G - Bona-fide gift | 9.00M | $0.00 | - | SEC | |
| Ajit Jain | Vice Chairman | G - Bona-fide gift | 3 | - | - | SEC | |
| Warren E. Buffett | Insider | G - Bona-fide gift | 160 | $0.00 | - | SEC | |
| Warren E. Buffett | Insider | G - Bona-fide gift | 18.6K | $0.00 | - | SEC | |
| Warren E. Buffett | Insider | J - Other acquisition / disposition | 37.5K | $0.00 | - | SEC | |
| Warren E. Buffett | Insider | G - Bona-fide gift | 18.6K | $0.00 | - | SEC | |
| Charlotte Guyman | Insider | G - Bona-fide gift | 574 | $0.00 | - | SEC | |
| Michael J. O'Sullivan | Senior Vice President, General Counsel and Secretary | P - Open-market purchase | 53 | $470.22 | $25K | SEC | |
| Michael J. O'Sullivan | Senior Vice President, General Counsel and Secretary | P - Open-market purchase | 483 | $467.13 | $226K | SEC | |
| Ajit Jain | Vice Chairman | G - Bona-fide gift | 22 | - | - | SEC | |
| Warren E. Buffett | Chairman and CEO | G - Bona-fide gift | 400.0K | $0.00 | - | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for BERKSHIRE HATHAWAY INC (BRK.A). Updated in real time as new filings are submitted to the SEC.
Most-Active BRK.A Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Warren E. Buffett | 11 | - |
| Michael J. O'Sullivan | 2 | $251K |
| Ajit Jain | 1 | - |
| Charlotte Guyman | 1 | - |
Recent BRK.A Form 8-K Material Events
- - Item 2.02, 5.02, 5.03, 5.07, 9.01 [SEC]
- - Item 8.01, 9.01 · Financing · neutral [SEC]
Berkshire Hathaway issued multiple tranches of senior notes totaling approximately ¥265.4 billion in Japanese yen and $7 billion in US dollars across various maturity dates from 2029 to 2056. This is a routine debt financing activity for a company of Berkshire's size and financia - - Item 8.01, 9.01 · Other · neutral [SEC]
Berkshire Hathaway disclosed on March 4, 2026 that it has commenced repurchasing shares of its Class A and Class B Common Stock under its long-standing repurchase policy, which permits buybacks when the repurchase price is below intrinsic value. The company emphasized transparenc - - Item 2.02, 9.01 · Earnings · neutral [SEC]
Berkshire Hathaway announced its fourth quarter and full-year 2025 earnings on February 28, 2026. The filing provides standard financial results for the period without indicating whether results beat or missed expectations.
Recent Insider Filings
- - Warren E. Buffett (Insider)
- - Ajit Jain (Vice Chairman)
- - Warren E. Buffett (Insider)
- - Warren E. Buffett (Insider)
- - Charlotte Guyman (Insider)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in BRK.A insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
BRK.A Insider Trading - FAQ
- What is the latest insider trade for BRK.A?
- BERKSHIRE HATHAWAY INC (BRK.A) had 6 insider filings in the last 90 days, with the most recent on 2026-07-15. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying BRK.A stock?
- 2 insider purchases of BRK.A were filed in the last 90 days, totaling $251K.
- How many insiders are selling BRK.A stock?
- 0 insider sales of BRK.A were filed in the last 90 days.
- Where can I see BRK.A SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks BRK.A Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live BRK.A dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.