Luc Seraphin owns 0.32% of Rambus
345,767 shares as of the April 2, 2026 filing, worth $30.2M at the latest close.
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Free.
The stake
0.32%
worth $30.2M at the latest close
Stake rank
#987
by dollar value of the stake
Last sale
200 days ago
Apr 2, 2026
Last buy
None
no purchases since 2019
Luc Seraphin owns 0.32% of RAMBUS INC: 345,767 of 108,461,603 shares, worth about $30.2M at the 2026-10-16 close. The stake has moved from 0.12% in 2018 to 0.32% on 2026-06-30, across 44 sales and 0 purchases that moved it since 2016. The last trade that moved it was a planned sale of $470,188 on 2026-04-02.
How the stake is held
as of the Apr 2, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Apr 2, 2026 · Form 4 ↗
HELD DIRECTLY
345,767
100.0%
THE STAKE
345,767
0.32%