FAN XIANZHI SEAN (CIK 1583840) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-26). Recent activity: Sell RMBS (37,814 shares), Sell RMBS (100 shares), Buy RMBS (22,234 shares), Sell RMBS (9,916 shares), Buy RMBS (148,802 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-26 | RAMBUS INC (RMBS) | EVP, COO | Sell | 37,814 | $5.7M |
| 2026-05-26 | RAMBUS INC (RMBS) | EVP, COO | Sell | 100 | $15,235 |
| 2026-04-03 | RAMBUS INC (RMBS) | EVP, COO | Buy | 22,234 | $0 |
| 2026-04-03 | RAMBUS INC (RMBS) | EVP, COO | Sell | 9,916 | $891,944 |
| 2026-02-03 | RAMBUS INC (RMBS) | EVP, COO | Buy | 148,802 | $0 |
| 2026-02-03 | RAMBUS INC (RMBS) | EVP, COO | Sell | 92,403 | $10.5M |
| 2025-11-21 | RAMBUS INC (RMBS) | EVP, COO | Sell | 300 | $0 |
| 2025-11-20 | RAMBUS INC (RMBS) | EVP, COO | Sell | 300 | $0 |
| 2025-04-03 | RAMBUS INC (RMBS) | EVP, COO | Buy | 47,810 | $0 |
| 2025-04-03 | RAMBUS INC (RMBS) | EVP, COO | Sell | 3,496 | $182,806 |
Source: SEC Form 4 filings · as of 2026-05-26