NASDAQ: RMBS
Rambus Inc Stock Ownership - Who owns Rambus?

Insider buying vs selling

Have Rambus Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Charles KissnerDirector2026-10-025,000$111.00
$555.00kSell
Charles KissnerDirector2026-09-225,000$105.00
$525.00kSell
Charles KissnerDirector2026-08-075,000$100.92
$504.60kSell
Necip SayinerDirector2026-06-035,000$170.15
$850.75kSell
Emiko HigashiDirector2026-06-025,000$158.00
$790.00kSell
Emiko HigashiDirector2026-06-025,000$163.00
$815.00kSell
Eric B. StangDirector2026-06-015,000$146.00
$730.00kSell
Emiko HigashiDirector2026-05-265,000$157.57
$787.85kSell
Xianzhi Sean FanEVP COO2026-05-26100$152.35
$15.24kSell
Xianzhi Sean FanEVP COO2026-05-2637,814$151.69
$5.74MSell

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Net Insider Buy/Sell (L12M) Ownership

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RMBS Shareholders

What type of owners hold Rambus Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Geoffrey Tate2.50%2,672,456$215.77MInsider
Mike Farmwald2.24%2,394,849$193.36MInsider
Ronald D. Black0.91%976,371$78.83MInsider
Mark Horowitz0.80%858,823$69.34MInsider
David G. 1. Mooring0.71%760,622$61.41MInsider
Bruce Dunlevie0.65%697,153$56.29MInsider
William H. Davidow0.61%648,102$52.33MInsider
James A. Mitarotonda0.51%544,046$43.93MInsider
Harold Hughes0.40%432,114$34.89MInsider
Luc Seraphin0.32%345,767$27.92MInsider

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RMBS vs Semiconductor Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RMBS0.09%11.96%Net SellingNet Selling
SLAB0.09%21.79%Net SellingNet Selling
FORM0.09%5.54%Net SellingNet Selling
SMTC0.10%4.03%Net SellingNet Selling
CRUS0.11%3.28%Net SellingNet Selling

Rambus Stock Ownership FAQ

Who owns Rambus?

Rambus (NASDAQ: RMBS) is owned by 0.09% institutional shareholders, 11.96% Rambus insiders, and 87.94% retail investors. Geoffrey Tate is the largest individual Rambus shareholder, owning 2.67M shares representing 2.50% of the company. Geoffrey Tate's Rambus shares are currently valued at $215.77M.

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