FAN XIANZHI SEAN — SEC Form 4 filings
SEC reporting owner CIK 1583840. 14 Form 4 filings on record with FilingPulse; latest filed 2026-05-26.
Transaction summary — filings shown
Covers all 14 filings on record, filed 2024-02-02 to 2026-05-26. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 8 legs across 6 filings — 168,015 shares, $14,209,215 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 14.
- Largest priced transaction: sale of 37,814 shares @ $151.69 ($5,735,991) in RAMBUS INC, filed 2026-05-26.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| RAMBUS INC (RMBS) | EVP, COO | 14 | — | 8 legs · 168,015 sh · $14,209,215 | 14 |
Form 4 filings — FAN XIANZHI SEAN
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-26 | 4 | RAMBUS INC (RMBS) | Sale (S): 37,814 @ $151.69 · Sale (S): 100 @ $152.35 | EDGAR |
| 2026-04-03 | 4 | RAMBUS INC (RMBS) | Grant/award (A): 22,234 @ $0 · Tax withholding (F): 9,916 @ $89.95 | EDGAR |
| 2026-02-03 | 4 | RAMBUS INC (RMBS) | Grant/award (A): 148,802 @ $0 · Tax withholding (F): 92,403 @ $113.71 | EDGAR |
| 2025-11-21 | 4 | RAMBUS INC (RMBS) | Gift (G): 300 @ $0 | EDGAR |
| 2025-11-20 | 4 | RAMBUS INC (RMBS) | Gift (G): 300 @ $0 | EDGAR |
| 2025-04-03 | 4 | RAMBUS INC (RMBS) | Grant/award (A): 47,810 @ $0 · Tax withholding (F): 3,496 @ $52.29 | EDGAR |
| 2025-02-19 | 4 | RAMBUS INC (RMBS) | Sale (S): 52,327 @ $68.02 | EDGAR |
| 2025-02-04 | 4 | RAMBUS INC (RMBS) | Grant/award (A): 112,675 @ $0 · Tax withholding (F): 78,078 @ $60.35 | EDGAR |
| 2024-04-02 | 4 | RAMBUS INC (RMBS) | Grant/award (A): 26,112 @ $0 | EDGAR |
| 2024-03-04 | 4 | RAMBUS INC (RMBS) | Sale (S): 20,000 @ $60.99 · Sale (S): 15,770 @ $64.91 | EDGAR |
| 2024-02-21 | 4 | RAMBUS INC (RMBS) | Sale (S): 2,004 @ $55 | EDGAR |
| 2024-02-13 | 4 | RAMBUS INC (RMBS) | Sale (S): 20,000 @ $58.53 | EDGAR |
| 2024-02-06 | 4 | RAMBUS INC (RMBS) | Tax withholding (F): 6,168 @ $68.37 · Sale (S): 20,000 @ $68.73 | EDGAR |
| 2024-02-02 | 4 | RAMBUS INC (RMBS) | Grant/award (A): 76,844 @ $0 · Tax withholding (F): 58,762 @ $68.15 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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