Company / CIK 0001067983
BERKSHIRE HATHAWAY INC
BRK.ABRK.B · 4 insiders on file
BERKSHIRE HATHAWAY INC (BRK.A) has 4 insiders on file who disclosed 18 transactions in the last 12 months (5 open-market buys, 0 sales, about $1.8M at reported prices). No federal award to a recipient with exactly this name appears in the last 180 days; no lobbying filing names it as client this year.
Insiders
| Name | Role | Transactions | Last filed |
|---|---|---|---|
| Jain Ajit | Vice Chairman | 2 | September 4, 2026 |
| O'Sullivan Michael J. | See Remarks | 3 | August 13, 2026 |
| Chang Charles C | See Remarks | 2 | August 13, 2026 |
| BUFFETT WARREN E | Director | 11 | July 15, 2026 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| Jain Ajit | BRK.A | Other G | September 3, 2026 | September 4, 2026 | 1d | 10 | — | — | Form 4 ↗ | |
| Chang Charles C | BRK.A | Buy P | August 12, 2026 | August 13, 2026 | 1d | 1 | $765,184 | $765K | indirectderivative | Form 4 ↗ |
| Chang Charles C | BRK.A | Buy P | August 12, 2026 | August 13, 2026 | 1d | 1 | $765,190 | $765K | indirectderivative | Form 4 ↗ |
| O'Sullivan Michael J. | BRK.B | Buy P | August 12, 2026 | August 13, 2026 | 1d | 43 | $514 | $22K | indirect | Form 4 ↗ |
| O'Sullivan Michael J. | BRK.B | Buy P | August 12, 2026 | August 13, 2026 | 1d | 400 | $513 | $205K | indirect | Form 4 ↗ |
| O'Sullivan Michael J. | BRK.B | Buy P | August 12, 2026 | August 13, 2026 | 1d | 45 | $511 | $23K | indirect | Form 4 ↗ |
| BUFFETT WARREN E | BRK.A | Exchange C | July 14, 2026 | July 15, 2026 | 1d | 8,000 | — | — | derivative | Form 4 ↗ |
| BUFFETT WARREN E | BRK.A | Other G | July 14, 2026 | July 15, 2026 | 1d | 1,000,000 | — | — | Form 4 ↗ | |
| BUFFETT WARREN E | BRK.A | Other G | July 14, 2026 | July 15, 2026 | 1d | 1,000,000 | — | — | Form 4 ↗ | |
| BUFFETT WARREN E | BRK.A | Other G | July 14, 2026 | July 15, 2026 | 1d | 1,000,000 | — | — | Form 4 ↗ | |
| BUFFETT WARREN E | BRK.A | Other G | July 14, 2026 | July 15, 2026 | 1d | 9,000,000 | — | — | Form 4 ↗ | |
| BUFFETT WARREN E | BRK.A | Exchange C | July 14, 2026 | July 15, 2026 | 1d | 12,000,000 | — | — | Form 4 ↗ | |
| Jain Ajit | BRK.A | Other G | July 1, 2026 | July 2, 2026 | 1d | 3 | — | — | Form 4 ↗ | |
| BUFFETT WARREN E | BRK.A | Other G | May 22, 2026 | May 26, 2026 | 4d | 160 | — | — | Form 4 ↗ | |
| BUFFETT WARREN E | BRK.A | Exchange C | May 18, 2026 | May 20, 2026 | 2d | 25 | — | — | derivative | Form 4 ↗ |
| BUFFETT WARREN E | BRK.A | Other G | May 18, 2026 | May 20, 2026 | 2d | 18,646 | — | — | Form 4 ↗ | |
| BUFFETT WARREN E | BRK.A | Other G | May 18, 2026 | May 20, 2026 | 2d | 18,646 | — | — | Form 4 ↗ | |
| BUFFETT WARREN E | BRK.A | Exchange C | May 18, 2026 | May 20, 2026 | 2d | 37,500 | — | — | Form 4 ↗ |
Federal contracts (USAspending, last 180 days)
No award action to a recipient named exactly "BERKSHIRE HATHAWAY INC" in the last 180 days. Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing names "BERKSHIRE HATHAWAY INC" as the client in the last two years. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Sources and method
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.