GUYMAN CHARLOTTE (CIK 1269365) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-18). Recent activity: Sell BRK.A (574 shares), Buy BRK.A (1,500 shares), Sell BRK.A (410 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-18 | BERKSHIRE HATHAWAY INC (BRK.A) | Director | Sell | 574 | $0 |
| 2025-11-05 | BERKSHIRE HATHAWAY INC (BRK.A) | Director | Buy | 1,500 | $0 |
| 2025-11-05 | BERKSHIRE HATHAWAY INC (BRK.A) | Director | Sell | 410 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-05-18