Rambus Inc RMBS
We take great care to ensure that the data presented and summarized in this overview for RAMBUS INC is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding RMBS
View all-
Black Rock Inc. New York, NY15.8MShares$1.36 Billion0.02% of portfolio
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Vanguard Group Inc Valley Forge, PA12.6MShares$1.08 Billion0.01% of portfolio
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Price T Rowe Associates Inc Baltimore, MD4.69MShares$404 Million0.03% of portfolio
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State Street Corp Boston, MA4.51MShares$388 Million0.01% of portfolio
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Jpmorgan Chase & CO New York, NY3.65MShares$314 Million0.01% of portfolio
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Edge Point Investment Group Inc. Toronto, A62.79MShares$240 Million1.59% of portfolio
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Geode Capital Management, LLC Boston, MA2.69MShares$231 Million0.01% of portfolio
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Invesco Ltd. Atlanta, GA2.32MShares$200 Million0.03% of portfolio
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Norges Bank Oslo, Q81.97MShares$170 Million0.02% of portfolio
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Dimensional Fund Advisors LP Austin, TX1.92MShares$165 Million0.03% of portfolio
Latest Institutional Activity in RMBS
Top Purchases
Top Sells
About RMBS
Rambus Inc. provides semiconductor products in the United States, Taiwan, South Korea, Japan, Europe, Canada, Singapore, China, and internationally. The company offers DDR memory interface chips, including DDR5, DDR4 and DDR3 memory interface chips to module manufacturers and OEMs; silicon IP comprising, interface and security IP solutions that move and protect data in advanced applications; and physical interface and digital controller IP to offer industry-leading, integrated memory and interconnect subsystems. It also provides a portfolio of patents that covers memory architecture, high-speed serial links, and security products. The company markets its products and services through its direct sales force and distributors. Rambus Inc. was incorporated in 1990 and is headquartered in San Jose, California.
Insider Transactions at RMBS
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 11
2025
|
Necip Sayiner |
SELL
Open market or private sale
|
Direct |
7,500
-19.57%
|
$637,500
$85.63 P/Share
|
|
Sep 02
2025
|
Meera Rao |
SELL
Open market or private sale
|
Direct |
3,000
-9.11%
|
$213,000
$71.72 P/Share
|
|
Sep 01
2025
|
Desmond Lynch SVP, CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
2,725
-3.57%
|
$198,925
$73.48 P/Share
|
|
Aug 29
2025
|
Steven Laub |
SELL
Open market or private sale
|
Direct |
2,261
-24.96%
|
$176,358
$78.72 P/Share
|
|
Aug 13
2025
|
Emiko Higashi |
SELL
Open market or private sale
|
Direct |
1,075
-1.7%
|
$82,775
$77.75 P/Share
|
|
Aug 08
2025
|
Necip Sayiner |
SELL
Open market or private sale
|
Direct |
7,500
-16.37%
|
$547,500
$73.53 P/Share
|
|
Aug 04
2025
|
Emiko Higashi |
SELL
Open market or private sale
|
Direct |
1,111
-1.72%
|
$83,325
$75.0 P/Share
|
|
Aug 04
2025
|
John Shinn SVP, General Counsel |
SELL
Open market or private sale
|
Direct |
790
-3.77%
|
$58,460
$74.61 P/Share
|
|
May 27
2025
|
Steven Laub |
SELL
Open market or private sale
|
Direct |
1,847
-16.94%
|
$101,585
$55.12 P/Share
|
|
May 19
2025
|
Steven Laub |
SELL
Open market or private sale
|
Direct |
3,653
-25.09%
|
$200,915
$55.56 P/Share
|
|
May 09
2025
|
Eric B Stang Director |
SELL
Open market or private sale
|
Indirect |
3,653
-11.05%
|
$186,303
$51.13 P/Share
|
|
May 05
2025
|
Desmond Lynch SVP, CFO |
SELL
Open market or private sale
|
Direct |
3,118
-3.95%
|
$155,900
$50.31 P/Share
|
|
Apr 23
2025
|
Luc Seraphin President and CEO |
SELL
Open market or private sale
|
Direct |
6,348
-1.95%
|
$292,008
$46.97 P/Share
|
|
Apr 22
2025
|
Luc Seraphin President and CEO |
SELL
Open market or private sale
|
Direct |
1,255
-0.38%
|
$56,475
$45.0 P/Share
|
|
Apr 15
2025
|
Luc Seraphin President and CEO |
SELL
Open market or private sale
|
Direct |
10,000
-2.97%
|
$470,000
$47.79 P/Share
|
|
Apr 08
2025
|
Luc Seraphin President and CEO |
SELL
Open market or private sale
|
Direct |
10,000
-2.88%
|
$460,000
$46.81 P/Share
|
|
Apr 03
2025
|
John K Allen Chief Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,129
-6.56%
|
$51,934
$46.15 P/Share
|
|
Apr 01
2025
|
John K Allen Chief Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
490
-2.77%
|
$25,480
$52.29 P/Share
|
|
Apr 01
2025
|
John K Allen Chief Accounting Officer |
BUY
Grant, award, or other acquisition
|
Direct |
5,168
+22.59%
|
-
|
|
Apr 01
2025
|
Steven Laub |
BUY
Grant, award, or other acquisition
|
Direct |
3,824
+20.8%
|
-
|
Last 12 Months Summary
| Grant, award, or other acquisition | 520K shares |
|---|
| Open market or private sale | 177K shares |
|---|---|
| Payment of exercise price or tax liability | 259K shares |