SEC Form 4 · Updated Daily

RMBS

RAMBUS INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

FinancialsOwnership

Current Reporting Owners

OwnerRoleShares OwnedAs OfLast Activity
Seraphin LucDirector · Officer345,7672026-04-02S
FAN XIANZHI SEANOfficer168,3582026-05-26S
Lynch DesmondOfficer63,6182026-02-23S
Higashi EmikoDirector49,5192026-06-02S
Gagneja SumeetOfficer41,3202026-05-01A
Shinn JohnOfficer21,1122026-05-22S
Rao MeeraDirector19,9742026-04-24S
STANG ERIC BDirector19,2182026-06-01S
Sayiner NecipDirector18,2232026-06-03S
Allen John KOfficer17,1312026-04-03F
KISSNER CHARLESDirector13,7472026-08-07S
LAUB STEVENDirector7,5192026-05-07S
PENG VICTORDirector2,3912026-04-01A

Recent Filings

DateOwnerActivitySharesPriceOwned After
2026-08-07KISSNER CHARLESOpen-market sale5,000$100.9213,747
2026-06-03Sayiner NecipOpen-market sale5,000$170.1518,223
2026-06-02Higashi EmikoOpen-market sale5,000$158.0049,519
2026-06-02Higashi EmikoOpen-market sale5,000$163.0054,519
2026-06-01STANG ERIC BOpen-market sale5,000$146.0019,218
2026-05-26FAN XIANZHI SEANOpen-market sale100$152.35168,358
2026-05-26FAN XIANZHI SEANOpen-market sale37,814$151.69168,458
2026-05-26Higashi EmikoOpen-market sale5,000$157.5759,519
2026-05-22Shinn JohnOpen-market sale1,000$143.6321,112
2026-05-08Sayiner NecipOpen-market sale9,824$130.1823,223
2026-05-07LAUB STEVENOpen-market sale1,500$125.527,519
2026-05-01Gagneja SumeetGrant / award26,802$0.0041,320
2026-05-01Gagneja SumeetGrant / award14,518$0.0014,518
2026-04-24Rao MeeraOpen-market sale2,972$150.3019,974
2026-04-14Rao MeeraOpen-market sale8,538$118.0822,946
2026-04-03Allen John KTax withholding1,131$92.2217,131
2026-04-02Seraphin LucOpen-market sale165$88.35345,767
2026-04-02Seraphin LucOpen-market sale2,750$87.11345,932
2026-04-02Seraphin LucOpen-market sale2,511$86.04348,682
2026-04-01Allen John KTax withholding658$89.9518,262
2026-04-01Allen John KTax withholding495$89.9518,920
2026-04-01Allen John KGrant / award2,779$0.0019,415
2026-04-01FAN XIANZHI SEANTax withholding9,916$89.95206,272
2026-04-01FAN XIANZHI SEANGrant / award22,234$0.00216,188
2026-04-01Seraphin LucTax withholding12,561$89.95351,193
2026-04-01Seraphin LucGrant / award32,684$0.00363,754
2026-04-01Shinn JohnTax withholding1,913$89.9522,112
2026-04-01Shinn JohnGrant / award5,558$0.0024,025
2026-04-01KISSNER CHARLESGrant / award2,223$0.0040,545
2026-04-01PENG VICTORGrant / award2,223$0.002,391
2026-04-01STANG ERIC BGrant / award2,223$0.002,223
2026-04-01Sayiner NecipGrant / award2,223$0.0033,047
2026-04-01Rao MeeraGrant / award2,223$0.0031,484
2026-04-01LAUB STEVENGrant / award2,223$0.009,019
2026-04-01Higashi EmikoGrant / award2,223$0.0064,519
2026-03-10Shinn JohnOpen-market sale200$89.5518,467
2026-03-10Shinn JohnOpen-market sale4,356$88.6418,667
2026-03-03Shinn JohnOpen-market sale700$94.8923,023
2026-03-03Shinn JohnOpen-market sale1,603$94.0723,723
2026-03-03Shinn JohnOpen-market sale2,254$92.7725,326

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.