| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
EVP, COO | SVP, COO | COO
1 company
Fan Xianzhi Sean is an EVP, COO at RMBS. Recent filings cover 0 purchases and 13 sales. Those positions are worth an estimated $25.6M at current prices.
Our model assigns Fan Xianzhi Sean a middling insider score of 55/100, based on 11 past trades. Over a 12-month horizon, 45.5% of those trades were profitable, with an average 12-month return of -22.1%.
Fan Xianzhi Sean's largest disclosed position is in RMBS as EVP, COO, worth about $25.6M. The recent filings there lean toward selling, a net 317,129 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 26, 2026 | RMBS Rambus Inc. | EVP, COO | Sell | 37,914 | $151.69 | $5,751,225.53 | -18.4% | -44.6% | - | |
| Feb 19, 2025 | RMBS Rambus Inc | EVP, COO | Sell | 52,327 | $68.02 | $3,559,036.60 | -35.8% | -16.1% | +57.0% | |
| Mar 4, 2024 | RMBS Rambus Inc | SVP, COO | Sell10b5-1 | 35,770 | $62.72 | $2,243,430.70 | -29.5% | -11.9% | -15.5% | |
| Feb 20, 2024 | RMBS Rambus Inc | SVP, COO | Sell10b5-1 | 2,004 | $55.00 | $110,220.00 | -1.6% | +8.0% | +20.5% | |
| Feb 12, 2024 | RMBS Rambus Inc | SVP, COO | Sell10b5-1 | 20,000 | $58.53 | $1,170,614.00 | -14.0% | -1.9% | +11.5% | |
| Feb 5, 2024 | RMBS Rambus Inc | SVP, COO | Sell | 20,000 | $68.73 | $1,374,688.00 | -12.3% | -16.7% | -5.7% | |
| Dec 11, 2023 | RMBS Rambus Inc | COO | Sell10b5-1 | 16,904 | $66.35 | $1,121,548.28 | -10.0% | -8.4% | -15.0% | |
| Aug 29, 2023 | RMBS Rambus Inc | COO | Sell | 17,309 | $54.99 | $951,821.91 | -9.3% | +22.4% | -20.7% | |
| Nov 18, 2022 | RMBS Rambus Inc | COO | Sell | 52,852 | $37.88 | $2,002,197.60 | -29.2% | +19.7% | +76.1% | |
| Nov 16, 2022 | RMBS Rambus Inc | COO | Sell | 10,277 | $38.30 | $393,567.99 | -5.4% | +21.7% | +74.9% |