| Insider · 13 positions | Net Shares per Quarter (+ Bought / − Sold) | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | Role | Shares Held ↓ | Q4 2026 | Q3 2026 | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 |
| BERKSHIRE HATHAWAY INC | — | 28.4M | +2.4M | +5.1M | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Stuart A Miller | Exec. Chairman, CEO, President | 1.5M | — | — | -2K | -115K | — | — | — | — | — | — | — | — | — | — | — | — |
| Diane J Bessette | VP & Chief Financial Officer | 334K | — | — | — | -10K | — | — | — | — | — | — | — | — | — | — | — | — |
| Martin Katherine Lee | Chief Legal Officer/Secretary | 57K | — | — | — | -4K | — | — | — | — | — | — | — | — | — | — | — | — |
| David M Collins | VP & Controller | 51K | — | — | — | -3K | — | — | — | — | — | — | — | — | — | — | — | — |
| Sherrill W Hudson | — | 38K | +15 | +14 | +2K | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Theron I Gilliam | — | 37K | +15 | +14 | +2K | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Teri P Mcclure | — | 32K | +15 | +14 | +2K | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Jeffrey Sonnenfeld | — | 28K | +21 | +358 | +3K | +251 | — | — | — | — | — | — | — | — | — | — | — | — |
| Armando J Olivera | — | 23K | +24 | +554 | +3K | +393 | — | — | — | — | — | — | — | — | — | — | — | — |
| Amy Banse | — | 17K | +15 | +14 | +2K | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Serena Wolfe | — | 6K | +15 | +14 | +2K | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dacona Smith | — | 6K | +15 | +14 | +2K | — | — | — | — | — | — | — | — | — | — | — | — | — |