Rambus Inc (RMBS) Insider Ownership

Historic Insider Ownership Trends

Rambus's three largest insider shareholders as of April 22, 2026 are Luc Seraphin (President And Ceo, 345.77K shares), Luc Seraphin (President And Ceo, 345.77K shares), Luc Seraphin (President And Ceo, 345.77K 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
Luc Seraphin President And Ceo 345,767 0 03 Apr, 2026
Luc Seraphin President And Ceo 345,767 0 03 Apr, 2026
Luc Seraphin President And Ceo 345,767 0 03 Apr, 2026
Xianzhi Sean Fan Evp, Coo 206,272 0 03 Apr, 2026
Emiko Higashi - 64,519 0 03 Apr, 2026
Desmond Lynch Svp, Cfo 63,618 0 24 Feb, 2026
Keith A Jones Principal Accounting Officer 54,719 0 02 Mar, 2022
Sanjay Saraf - 50,241 0 04 Apr, 2022
Sanjay Saraf - 50,241 0 04 Apr, 2022
Sanjay Saraf - 50,241 0 04 Apr, 2022
Charles Kissner - 40,545 0 03 Apr, 2026
Necip Sayiner - 33,047 0 03 Apr, 2026
Necip Sayiner - 33,047 0 03 Apr, 2026
Meera Rao - 31,484 0 03 Apr, 2026
Meera Rao - 31,484 0 03 Apr, 2026
Meera Rao - 22,946 0 15 Apr, 2026
John Shinn Svp, General Counsel 22,112 0 03 Apr, 2026
John Shinn Svp, General Counsel 22,112 0 03 Apr, 2026
John Shinn Svp, General Counsel 22,112 0 03 Apr, 2026
Eric B Stang - 0 20,394 12 Nov, 2025
Eric B Stang - 0 20,394 12 Nov, 2025
Eric B Stang - 0 20,394 12 Nov, 2025
Charles Kissner - 0 18,747 11 May, 2022
Karen M Rogge - 17,364 0 04 Apr, 2023
Karen M Rogge - 17,364 0 04 Apr, 2023
John K Allen Chief Accounting Officer 17,131 0 07 Apr, 2026
James A Mitarotonda - 13,946 0 04 Apr, 2022
Steven Laub - 9,019 0 03 Apr, 2026
Victor Peng - 2,391 0 03 Apr, 2026
Eric B Stang - 2,223 0 03 Apr, 2026
Eric B Stang - 2,223 0 03 Apr, 2026
Eric B Stang - 2,223 0 03 Apr, 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
03 Apr, 2026 John K Allen Common Stock D 1,131 $92.22 17,131 D F
01 Apr, 2026 Victor Peng Common Stock A 2,223 $0.00 2,391 D A
01 Apr, 2026 Luc Seraphin Common Stock A 32,684 $0.00 363,754 D A
01 Apr, 2026 John K Allen Common Stock A 2,779 $0.00 19,415 D A
01 Apr, 2026 Eric B Stang Common Stock A 2,223 $0.00 2,223 D A
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 Xianzhi Sean Fan Common Stock A 22,234 $0.00 216,188 D A
01 Apr, 2026 John Shinn Common Stock A 5,558 $0.00 24,025 D A
01 Apr, 2026 Emiko Higashi Common Stock A 2,223 $0.00 64,519 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 Luc Seraphin Common Stock D 12,561 $89.95 351,193 D F
01 Apr, 2026 Xianzhi Sean Fan Common Stock D 9,916 $89.95 206,272 D F
01 Apr, 2026 John Shinn Common Stock D 1,913 $89.95 22,112 D F
01 Apr, 2026 John K Allen Common Stock D 495 $89.95 18,920 D F
01 Apr, 2026 John K Allen Common Stock D 658 $89.95 18,262 D F
02 Apr, 2026 Luc Seraphin Common Stock D 2,511 $86.04 348,682 D S
02 Apr, 2026 Luc Seraphin Common Stock D 2,750 $87.11 345,932 D S