Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/21/2026 | Kauf | 76.62 | 18,146 | 1,390,347 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/21/2026 | Kauf | 75.76 | 4,888 | 370,315 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/21/2026 | Kauf | 77.97 | 483,809 | 37,722,588 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/21/2026 | Kauf | 77.23 | 160,275 | 12,378,038 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/21/2026 | Kauf | 76.62 | 18,146 | 1,390,347 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/21/2026 | Kauf | 75.76 | 4,888 | 370,315 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/21/2026 | Kauf | 77.97 | 483,809 | 37,722,588 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/21/2026 | Kauf | 77.23 | 160,275 | 12,378,038 | Form 4 |
| BRID | Bridgford Richard Eugene | Vice President | 09/18/2026 | Kauf | 5.87 | 350 | 2,055 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 78.38 | 500 | 39,190 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 76.98 | 710 | 54,656 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 75.76 | 390 | 29,546 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 74.80 | 33,122 | 2,477,526 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 78.88 | 7,900 | 623,152 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 78.09 | 68,760 | 5,369,468 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 77.06 | 51,586 | 3,975,217 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 76.39 | 1,218,429 | 93,075,791 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 78.38 | 500 | 39,190 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 76.98 | 710 | 54,656 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 75.76 | 390 | 29,546 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 74.80 | 33,122 | 2,477,526 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 78.88 | 7,900 | 623,152 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 78.09 | 68,760 | 5,369,468 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 77.06 | 51,586 | 3,975,217 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/18/2026 | Kauf | 76.39 | 1,218,429 | 93,075,791 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/17/2026 | Kauf | 77.94 | 8,306 | 647,370 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/17/2026 | Kauf | 76.96 | 8,959 | 689,485 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/17/2026 | Kauf | 79.41 | 410,164 | 32,571,123 | Form 4 |
| BRK-A | Berkshire Hathaway Inc | 10% Owner | 09/17/2026 | Kauf | 78.41 | 267,585 | 20,981,340 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/17/2026 | Kauf | 77.94 | 8,306 | 647,370 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/17/2026 | Kauf | 76.96 | 8,959 | 689,485 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/17/2026 | Kauf | 79.41 | 410,164 | 32,571,123 | Form 4 |
| BRK-B | Berkshire Hathaway Inc | 10% Owner | 09/17/2026 | Kauf | 78.41 | 267,585 | 20,981,340 | Form 4 |
| BRID | Bridgford Allan Jr. | Consultant | 09/17/2026 | Kauf | 5.80 | 1,000 | 5,800 | Form 4 |
| BRID | Bridgford Allan Jr. | Consultant | 09/16/2026 | Kauf | 5.90 | 326 | 1,923 | Form 4 |
| BRID | Bridgford Allan Jr. | Consultant | 09/15/2026 | Kauf | 5.95 | 195 | 1,160 | Form 4 |
| BRID | Bridgford Allan Jr. | Consultant | 09/14/2026 | Kauf | 5.95 | 13 | 77 | Form 4 |
| BRID | Bridgford Allan Jr. | Consultant | 09/09/2026 | Kauf | 5.83 | 466 | 2,717 | Form 4 |
| BRBR | Conway Shawn | Director | 09/08/2026 | Kauf | 9.89 | 2,022 | 19,998 | Form 4 |
| BRID | Bridgford Allan Jr. | Consultant | 09/02/2026 | Kauf | 6.15 | 914 | 5,621 | Form 4 |
| BRID | Bridgford Allan Jr. | Consultant | 09/01/2026 | Kauf | 6.01 | 86 | 517 | Form 4 |
| BRID | Bridgford Baron | President, BFI | 08/28/2026 | Kauf | 6.15 | 473 | 2,909 | Form 4 |
| BRID | Bridgford Allan Jr. | Consultant | 08/26/2026 | Kauf | 6.20 | 1,000 | 6,200 | Form 4 |
| BRLT | Gerstein Beth Tamara | Chief Executive Officer | 08/19/2026 | Kauf | 1.26 | 3,203 | 4,036 | Form 4 |
| BRLT | Grossberg Eric Scott | Executive Chairman | 08/19/2026 | Kauf | 1.26 | 381 | 480 | Form 4 |
| BRCC | Dickson Kathryn P | Director | 08/19/2026 | Kauf | 0.8495 | 50,000 | 42,475 | Form 4 |
| BRLT | Gerstein Beth Tamara | Chief Executive Officer | 08/18/2026 | Kauf | 1.25 | 6,797 | 8,496 | Form 4 |
| BRLT | Grossberg Eric Scott | Executive Chairman | 08/18/2026 | Kauf | 1.27 | 9,619 | 12,216 | Form 4 |
| BRCC | Amigh Matthew L | Chief Financial Officer | 08/14/2026 | Kauf | 0.8489 | 10,000 | 8,489 | Form 4 |
| BRLT | Kuo Jeffrey Chuenhong | Chief Financial Officer | 08/13/2026 | Kauf | 1.36 | 10,000 | 13,600 | Form 4 |
| BROS | Penegor Todd Allan | Director | 08/13/2026 | Kauf | 51.56 | 2,000 | 103,120 | Form 4 |
| BRK-A | O'Sullivan Michael J. | See Remarks | 08/12/2026 | Kauf | 513.61 | 43 | 22,085 | Form 4 |
| BRK-A | O'Sullivan Michael J. | See Remarks | 08/12/2026 | Kauf | 512.52 | 400 | 205,008 | Form 4 |
| BRK-A | O'Sullivan Michael J. | See Remarks | 08/12/2026 | Kauf | 510.64 | 45 | 22,979 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).