Rambus Inc (RMBS) Insider Ownership

Historic Insider Ownership Trends

As of June 06, 2026, the three largest insider holders of RMBS are Luc Seraphin (President And Ceo, 345.77K shares), Xianzhi Sean Fan (Evp, Coo, 206.27K shares), Emiko Higashi (Director, 64.52K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Victor Peng - 2,391 0 03 Apr, 2026
Charles Kissner - 40,545 0 03 Apr, 2026
Steven Laub - 9,019 0 03 Apr, 2026
James A Mitarotonda - 13,946 0 04 Apr, 2022
Emiko Higashi - 64,519 0 03 Apr, 2026
Necip Sayiner - 33,047 0 03 Apr, 2026
Luc Seraphin President And Ceo 345,767 0 03 Apr, 2026
Keith A Jones Principal Accounting Officer 54,719 0 02 Mar, 2022
John K Allen Chief Accounting Officer 17,131 0 07 Apr, 2026
Meera Rao - 22,946 0 15 Apr, 2026
Xianzhi Sean Fan Evp, Coo 206,272 0 03 Apr, 2026
Sanjay Saraf - 50,241 0 04 Apr, 2022
John Shinn Svp, General Counsel 22,112 0 03 Apr, 2026
Desmond Lynch Svp, Cfo 63,618 0 24 Feb, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
14 Apr, 2026 Meera Rao Common Stock D 8,538 $118.08 22,946 D S
14 Apr, 2026 Meera Rao Common Stock D 8,538 $118.08 22,946 D S
03 Apr, 2026 John K Allen Common Stock D 1,131 $92.22 17,131 D F
01 Apr, 2026 Charles Kissner Common Stock A 2,223 $0.00 40,545 D A
01 Apr, 2026 Necip Sayiner Common Stock A 2,223 $0.00 33,047 D A
01 Apr, 2026 John Shinn Common Stock A 5,558 $0.00 24,025 D A
01 Apr, 2026 John K Allen Common Stock A 2,779 $0.00 19,415 D A
01 Apr, 2026 Meera Rao Common Stock A 2,223 $0.00 31,484 D A
01 Apr, 2026 John Shinn Common Stock A 5,558 $0.00 24,025 D A
01 Apr, 2026 John Shinn Common Stock A 5,558 $0.00 24,025 D A
01 Apr, 2026 Meera Rao Common Stock A 2,223 $0.00 31,484 D A
01 Apr, 2026 Meera Rao Common Stock A 2,223 $0.00 31,484 D A
01 Apr, 2026 Steven Laub Common Stock A 2,223 $0.00 9,019 D A
01 Apr, 2026 Emiko Higashi Common Stock A 2,223 $0.00 64,519 D A
01 Apr, 2026 Xianzhi Sean Fan Common Stock A 22,234 $0.00 216,188 D A
01 Apr, 2026 Luc Seraphin Common Stock A 32,684 $0.00 363,754 D A
01 Apr, 2026 Luc Seraphin Common Stock A 32,684 $0.00 363,754 D A
01 Apr, 2026 Luc Seraphin Common Stock A 32,684 $0.00 363,754 D A
01 Apr, 2026 John Shinn Common Stock A 5,558 $0.00 24,025 D A
01 Apr, 2026 Luc Seraphin Common Stock A 32,684 $0.00 363,754 D A