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RMBS Insider Trading

Insider Ownership Percentage: 1.00%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $8,929,859.73

Rambus Insider Trading History Chart

This chart shows the insider buying and selling history at Rambus by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Rambus Share Price & Price History

Current Price: $54.43
Price Change: ▲ Price Increase of +2.48 (4.77%)
As of 03/14/2025 05:00 PM ET

This chart shows the closing price history over time for RMBS up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Rambus Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
2/19/2025Necip SayinerDirectorSell4,625$66.74$308,672.5042,000View SEC Filing Icon  
2/19/2025Xianzhi Sean FanCOOSell52,327$68.02$3,559,282.5493,841View SEC Filing Icon  
12/12/2024Meera RaoDirectorSell5,408$58.22$314,853.7629,090View SEC Filing Icon  
5/7/2024Eric B. StangDirectorSell5,408$56.95$307,985.6032,422View SEC Filing Icon  
4/16/2024Luc SeraphinCEOSell5,530$58.66$324,389.80262,791View SEC Filing Icon  
4/9/2024Luc SeraphinCEOSell15,000$61.35$920,250.00268,321View SEC Filing Icon  
4/2/2024Luc SeraphinCEOSell15,000$59.93$898,950.00283,321View SEC Filing Icon  
3/26/2024John ShinnSVPSell3,947$62.71$247,516.3716,663View SEC Filing Icon  
3/26/2024Luc SeraphinCEOSell15,000$62.69$940,350.00259,755View SEC Filing Icon  
3/19/2024John ShinnSVPSell3,949$58.84$232,359.1620,610View SEC Filing Icon  
3/19/2024Luc SeraphinCEOSell15,000$58.35$875,250.00274,755View SEC Filing Icon  
3/12/2024John ShinnSVPSell3,889$62.68$243,762.5224,559View SEC Filing Icon  
3/12/2024Luc SeraphinCEOSell15,000$62.69$940,350.00289,755View SEC Filing Icon  
3/11/2024Desmond LynchCFOSell7,837$62.18$487,304.6641,958View SEC Filing Icon  
3/7/2024John ShinnSVPSell3,928$64.93$255,045.0428,448View SEC Filing Icon  
3/5/2024Luc SeraphinCEOSell15,000$62.17$932,550.00304,755View SEC Filing Icon  
2/20/2024Xianzhi Sean FanCOOSell2,004$55.00$110,220.00121,229View SEC Filing Icon  
12/11/2023Xianzhi Sean FanCOOSell16,904$66.35$1,121,580.40151,319View SEC Filing Icon  
12/7/2023Desmond LynchCFOSell1,527$64.64$98,705.2864,198View SEC Filing Icon  
11/15/2023Steven LaubDirectorSell2,000$66.91$133,820.007,761View SEC Filing Icon  
11/8/2023Emiko HigashiDirectorSell8,000$60.00$480,000.0057,686View SEC Filing Icon  
11/6/2023Necip SayinerDirectorSell10,000$57.43$574,300.0028,653View SEC Filing Icon  
8/29/2023Xianzhi Sean FanCOOSell17,309$54.99$951,821.91168,223View SEC Filing Icon  
5/15/2023Luc SeraphinCEOSell4,556$49.39$225,020.84255,332View SEC Filing Icon  
5/8/2023Luc SeraphinCEOSell12,500$47.98$599,750.00255,414View SEC Filing Icon  
5/1/2023Luc SeraphinCEOSell12,500$44.83$560,375.00267,914View SEC Filing Icon  
4/24/2023Luc SeraphinCEOSell12,500$49.41$617,625.00279,653View SEC Filing Icon  
4/17/2023Luc SeraphinCEOSell12,500$49.58$619,750.00292,153View SEC Filing Icon  
4/10/2023Luc SeraphinCEOSell12,500$48.68$608,500.00304,653View SEC Filing Icon  
4/3/2023Luc SeraphinCEOSell12,500$51.28$641,000.00317,153View SEC Filing Icon  
3/27/2023Luc SeraphinCEOSell12,500$44.99$562,375.00329,653View SEC Filing Icon  
3/20/2023Luc SeraphinCEOSell12,500$44.20$552,500.00342,153View SEC Filing Icon  
3/13/2023Luc SeraphinCEOSell12,500$41.06$513,250.00354,653View SEC Filing Icon  
2/13/2023Eric B. StangDirectorSell6,000$45.46$272,760.0027,180View SEC Filing Icon  
2/10/2023Necip SayinerDirectorSell2,873$45.53$130,807.6925,000View SEC Filing Icon  
11/18/2022Xianzhi Sean FanCOOSell52,852$37.88$2,002,033.76127,886View SEC Filing Icon  
11/15/2022Necip SayinerDirectorSell15,000$38.16$572,400.0027,873View SEC Filing Icon  
11/15/2022Xianzhi Sean FanCOOSell51,772$38.51$1,993,739.72191,015View SEC Filing Icon  
11/3/2022Eric B. StangDirectorSell7,500$34.25$256,875.0033,180View SEC Filing Icon  
5/9/2022Charles KissnerDirectorSell9,674$24.78$239,721.7218,747View SEC Filing Icon  
5/5/2022Charles KissnerDirectorSell20,000$25.91$518,200.0048,421View SEC Filing Icon  
4/25/2022Luc SeraphinCEOSell8,313$25.30$210,318.90240,807View SEC Filing Icon  
4/18/2022Luc SeraphinCEOSell12,500$25.77$322,125.00240,807View SEC Filing Icon  
4/11/2022Luc SeraphinCEOSell12,500$25.86$323,250.00251,182View SEC Filing Icon  
4/4/2022Luc SeraphinCEOSell12,500$31.43$392,875.00263,682View SEC Filing Icon  
3/28/2022Luc SeraphinCEOSell12,500$32.30$403,750.00View SEC Filing Icon  
3/21/2022Luc SeraphinCEOSell12,500$31.09$388,625.00View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Rambus (NASDAQ:RMBS)

88.54% of Rambus stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at RMBS by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Rambus Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/20/2025Mackenzie Financial Corp7,081$0.37M0.0%-2.3%0.007%Search for SEC Filing on Google Icon
2/20/2025Forum Financial Management LP7,017$0.37M0.0%-12.5%0.007%Search for SEC Filing on Google Icon
2/19/2025Public Employees Retirement System of Ohio31,786$1.68M0.0%-81.6%0.030%Search for SEC Filing on Google Icon
2/18/2025Orion Capital Management LLC703$37K0.0%N/A0.001%Search for SEC Filing on Google Icon
2/18/2025Castleark Management LLC139,890$7.40M0.3%N/A0.131%Search for SEC Filing on Google Icon
2/18/2025PharVision Advisers LLC4,778$0.25M0.2%N/A0.004%Search for SEC Filing on Google Icon
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC290,392$15.35M0.0%+18.8%0.272%Search for SEC Filing on Google Icon
2/17/2025Vident Advisory LLC73,714$3.90M0.1%+11.6%0.069%Search for SEC Filing on Google Icon
2/17/2025Westwood Holdings Group Inc.1,127,854$59.62M0.5%-21.1%1.058%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Advisers LP435,300$23.01M0.1%-22.7%0.408%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Investments LP529,974$28.01M0.1%-35.7%0.497%Search for SEC Filing on Google Icon
2/17/2025Tidal Investments LLC16,712$0.88M0.0%-2.3%0.016%Search for SEC Filing on Google Icon
2/17/2025Thornburg Investment Management Inc.88,084$4.66M0.1%+27.6%0.083%Search for SEC Filing on Google Icon
2/17/2025Silvercrest Asset Management Group LLC516,133$27.28M0.2%-4.3%0.484%Search for SEC Filing on Google Icon
2/17/2025Point72 Asia Singapore Pte. Ltd.31,156$1.65M0.4%-50.2%0.029%Search for SEC Filing on Google Icon
2/17/2025Point72 Asset Management L.P.161,153$8.52M0.0%+138.4%0.151%Search for SEC Filing on Google Icon
2/17/2025ProShare Advisors LLC49,027$2.59M0.0%+24.2%0.046%Search for SEC Filing on Google Icon
2/17/2025Quantinno Capital Management LP7,413$0.39M0.0%+19.6%0.007%Search for SEC Filing on Google Icon
2/17/2025Man Group plc30,707$1.62M0.0%-32.2%0.029%Search for SEC Filing on Google Icon
2/17/2025Nomura Holdings Inc.14,115$0.75M0.0%N/A0.013%Search for SEC Filing on Google Icon
2/17/2025Nuveen Asset Management LLC1,064,700$56.28M0.0%+12.2%0.999%Search for SEC Filing on Google Icon
2/17/2025Millennium Management LLC595,055$31.46M0.0%-36.5%0.558%Search for SEC Filing on Google Icon
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.165,658$8.76M0.0%-3.6%0.155%Search for SEC Filing on Google Icon
2/17/2025Lazard Asset Management LLC69,169$3.66M0.0%+112.3%0.065%Search for SEC Filing on Google Icon
2/17/2025Janus Henderson Group PLC343,180$18.14M0.0%-2.5%0.322%Search for SEC Filing on Google Icon
2/17/2025Gotham Asset Management LLC4,092$0.22M0.0%-93.2%0.004%Search for SEC Filing on Google Icon
2/17/2025Granahan Investment Management LLC82,620$4.37M0.2%-22.7%0.078%Search for SEC Filing on Google Icon
2/17/2025Fred Alger Management LLC62,508$3.30M0.0%+129.2%0.059%Search for SEC Filing on Google Icon
2/17/2025Deutsche Bank AG139,002$7.35M0.0%+40.1%0.130%Search for SEC Filing on Google Icon
2/17/2025D. E. Shaw & Co. Inc.394,352$20.85M0.0%-50.7%0.370%Search for SEC Filing on Google Icon
2/17/2025Crestline Management LP410,113$21.68M0.7%+58.8%0.385%Search for SEC Filing on Google Icon
2/17/2025Cubist Systematic Strategies LLC32,753$1.73M0.0%-96.0%0.031%Search for SEC Filing on Google Icon
2/17/2025Cetera Investment Advisers24,486$1.29M0.0%+3.2%0.023%Search for SEC Filing on Google Icon
2/17/2025Centiva Capital LP44,098$2.33M0.0%-47.4%0.041%Search for SEC Filing on Google Icon
2/17/2025Brevan Howard Capital Management LP4,907$0.26M0.0%-92.7%0.005%Search for SEC Filing on Google Icon
2/17/2025Captrust Financial Advisors55,227$2.92M0.0%-45.4%0.052%Search for SEC Filing on Google Icon
2/17/2025Balyasny Asset Management L.P.113,687$6.01M0.0%-48.4%0.107%Search for SEC Filing on Google Icon
2/17/2025Bank of America Corp DE415,317$21.95M0.0%-37.6%0.390%Search for SEC Filing on Google Icon
2/17/2025BNP Paribas Financial Markets57,221$3.03M0.0%-57.6%0.054%Search for SEC Filing on Google Icon
2/17/2025Ameriprise Financial Inc.249,130$13.17M0.0%+9.1%0.234%Search for SEC Filing on Google Icon
2/17/2025Algert Global LLC292,592$15.47M0.4%+12.8%0.275%Search for SEC Filing on Google Icon
2/17/2025AXA S.A.16,407$0.87M0.0%-5.1%0.015%Search for SEC Filing on Google Icon
2/14/2025Mercer Global Advisors Inc. ADV6,075$0.32M0.0%-41.0%0.006%Search for SEC Filing on Google Icon
2/14/2025Comerica Bank120,657$6.38M0.0%+21.9%0.113%Search for SEC Filing on Google Icon
2/14/2025AQR Capital Management LLC319,731$16.90M0.0%-11.7%0.300%Search for SEC Filing on Google Icon
2/14/2025Emerald Mutual Fund Advisers Trust356,958$18.87M1.2%-15.4%0.335%Search for SEC Filing on Google Icon
2/14/2025Lido Advisors LLC5,007$0.27M0.0%N/A0.005%Search for SEC Filing on Google Icon
2/14/2025Northern Trust Corp1,463,338$77.35M0.0%+13.2%1.373%Search for SEC Filing on Google Icon
2/14/2025The Manufacturers Life Insurance Company 128,151$6.77M0.0%+0.8%0.120%Search for SEC Filing on Google Icon
2/14/2025Optiver Holding B.V.776$41K0.0%-22.8%0.001%Search for SEC Filing on Google Icon
2/14/2025Public Employees Retirement Association of Colorado10,992$0.58M0.0%-2.0%0.010%Search for SEC Filing on Google Icon
2/14/2025Quarry LP1,166$62K0.0%+26.9%0.001%Search for SEC Filing on Google Icon
2/14/2025Barington Capital Group L.P.120,000$6.34M5.8%-17.3%0.113%Search for SEC Filing on Google Icon
2/14/2025Coldstream Capital Management Inc.5,609$0.30M0.0%+6.1%0.005%Search for SEC Filing on Google Icon
2/14/2025Nebula Research & Development LLC15,187$0.80M0.1%-50.1%0.014%Search for SEC Filing on Google Icon
2/14/2025Oberweis Asset Management Inc.409,400$21.64M1.0%N/A0.384%Search for SEC Filing on Google Icon
2/14/2025Voya Investment Management LLC1,124,441$59.44M0.1%-5.8%1.055%Search for SEC Filing on Google Icon
2/14/2025Penn Capital Management Company LLC214,863$11.36M1.1%+8.2%0.202%Search for SEC Filing on Google Icon
2/14/2025Analog Century Management LP825,288$43.63M2.9%N/A0.774%Search for SEC Filing on Google Icon
2/14/2025Pinebridge Investments L.P.42,808$2.26M0.0%+42.7%0.040%Search for SEC Filing on Google Icon
2/14/2025Price T Rowe Associates Inc. MD5,449,128$288.04M0.0%+442.8%5.113%Search for SEC Filing on Google Icon
2/14/2025Quantessence Capital LLC7,421$0.39M0.2%N/A0.007%Search for SEC Filing on Google Icon
2/14/2025Hsbc Holdings PLC19,324$1.02M0.0%-82.6%0.018%Search for SEC Filing on Google Icon
2/14/2025Stifel Financial Corp12,203$0.65M0.0%N/A0.011%Search for SEC Filing on Google Icon
2/14/2025State of Tennessee Department of Treasury44,078$2.33M0.0%-25.7%0.041%Search for SEC Filing on Google Icon
2/14/2025Tower Research Capital LLC TRC 9,485$0.50M0.0%+205.4%0.009%Search for SEC Filing on Google Icon
2/14/2025Teachers Retirement System of The State of Kentucky62,272$3.29M0.0%-2.6%0.058%Search for SEC Filing on Google Icon
2/14/2025Mesirow Institutional Investment Management Inc.298,174$15.76M1.2%-25.4%0.280%Search for SEC Filing on Google Icon
2/14/2025Natixis24,500$1.30M0.0%+11.9%0.023%Search for SEC Filing on Google Icon
2/14/2025MetLife Investment Management LLC122,295$6.47M0.0%+4.9%0.115%Search for SEC Filing on Google Icon
2/14/2025Dimensional Fund Advisors LP1,734,188$91.68M0.0%-1.5%1.627%Search for SEC Filing on Google Icon
2/14/2025First Trust Advisors LP86,609$4.58M0.0%-56.8%0.081%Search for SEC Filing on Google Icon
2/14/2025Epoch Investment Partners Inc.8,688$0.46M0.0%N/A0.008%Search for SEC Filing on Google Icon
2/14/2025Forum Financial Management LP7,017$0.37M0.0%-12.5%0.007%Search for SEC Filing on Google Icon
2/14/2025GeoWealth Management LLC1,291$68K0.0%N/A0.001%Search for SEC Filing on Google Icon
2/13/2025CANADA LIFE ASSURANCE Co91,911$4.85M0.0%-3.8%0.086%Search for SEC Filing on Google Icon
2/13/2025Canada Pension Plan Investment Board235,700$12.46M0.0%N/A0.221%Search for SEC Filing on Google Icon
2/13/2025Osterweis Capital Management Inc.176,745$9.34M0.4%N/A0.166%Search for SEC Filing on Google Icon
2/13/2025Marshall Wace LLP20,455$1.08M0.0%-89.0%0.019%Search for SEC Filing on Google Icon
2/13/2025Zacks Investment Management42,948$2.27M0.0%+9.4%0.040%Search for SEC Filing on Google Icon
2/13/2025Bridgewater Associates LP7,145$0.38M0.0%-88.3%0.007%Search for SEC Filing on Google Icon
2/13/2025Ontario Teachers Pension Plan Board11,998$0.63M0.0%+5.8%0.011%Search for SEC Filing on Google Icon
2/13/2025Guggenheim Capital LLC19,737$1.04M0.0%-51.8%0.019%Search for SEC Filing on Google Icon
2/13/2025Mariner LLC12,473$0.66M0.0%+1.4%0.012%Search for SEC Filing on Google Icon
2/13/2025Barclays PLC263,453$13.93M0.0%+21.8%0.247%Search for SEC Filing on Google Icon
2/13/2025Summit Investment Advisors Inc.32,526$1.72M1.5%-1.8%0.031%Search for SEC Filing on Google Icon
2/13/2025Townsquare Capital LLC46,390$2.45M0.0%N/A0.044%Search for SEC Filing on Google Icon
2/13/2025Covestor Ltd3,246$0.17M0.1%+34.5%0.003%Search for SEC Filing on Google Icon
2/13/2025Neuberger Berman Group LLC1,658,364$87.70M0.1%-5.1%1.556%Search for SEC Filing on Google Icon
2/13/2025Raymond James Financial Inc.974,284$51.50M0.0%N/A0.914%Search for SEC Filing on Google Icon
2/13/2025Renaissance Group LLC75,889$4.01M0.2%+28.0%0.071%Search for SEC Filing on Google Icon
2/13/2025Renaissance Technologies LLC3,800$0.20M0.0%N/A0.004%Search for SEC Filing on Google Icon
2/13/2025Shelton Capital Management4,265$0.23M0.0%-12.9%0.004%Search for SEC Filing on Google Icon
2/13/2025Legal & General Group Plc233,836$12.36M0.0%-2.4%0.219%Search for SEC Filing on Google Icon
2/13/2025Invesco Ltd.4,999,748$264.29M0.0%+72.1%4.692%Search for SEC Filing on Google Icon
2/13/2025Cerity Partners LLC15,076$0.80M0.0%-9.3%0.014%Search for SEC Filing on Google Icon
2/13/2025Federated Hermes Inc.13,013$0.69M0.0%-27.7%0.012%Search for SEC Filing on Google Icon
2/13/2025Aster Capital Management DIFC Ltd1,385$73K0.0%N/A0.001%Search for SEC Filing on Google Icon
2/13/2025Russell Investments Group Ltd.79,173$4.19M0.0%-42.9%0.074%Search for SEC Filing on Google Icon
2/13/2025Envestnet Asset Management Inc.73,938$3.91M0.0%+86.0%0.069%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Rambus logo
Rambus Inc. provides semiconductor products in the United States, South Korea, Singapore, and internationally. The company offers DDR memory interface chips, including DDR5 and DDR4 memory interface chips to module manufacturers, OEMs, and hyperscalers; silicon IP, such as interface and security IP solutions that move and protect data in advanced data center, government, and automotive applications; and interface IP solutions for high-speed memory and chip-to-chip digital controller IP. It also provides a portfolios of security IP solutions, including crypto cores, hardware roots of trust, high-speed protocol engines, and chip provisioning technologies; and portfolio of patents that covers memory architecture, high-speed serial links, and security products. It 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.
Read More on Rambus

Today's Range

Now: $54.43
Low: $52.53
High: $54.57

50 Day Range

MA: $59.66
Low: $51.55
High: $68.59

52 Week Range

Now: $54.43
Low: $37.43
High: $69.15

Volume

677,932 shs

Average Volume

1,283,708 shs

Market Capitalization

$5.82 billion

P/E Ratio

32.79

Dividend Yield

N/A

Beta

1.25

Who are the company insiders with the largest holdings of Rambus?

Rambus' top insider investors include:
  1. Luc Seraphin (CEO)
  2. Xianzhi Sean Fan (COO)
  3. Desmond Lynch (CFO)
  4. Emiko Higashi (Director)
  5. Necip Sayiner (Director)
  6. Eric B Stang (Director)
  7. Meera Rao (Director)
  8. John Shinn (SVP)
  9. Steven Laub (Director)
Learn More about top insider investors at Rambus.

Who are the major institutional investors of Rambus?

Rambus' top institutional shareholders include:
  1. Vanguard Group Inc. — 11.82%
  2. Price T Rowe Associates Inc. MD — 5.11%
  3. Invesco Ltd. — 4.69%
  4. JPMorgan Chase & Co. — 3.93%
  5. Geode Capital Management LLC — 2.42%
  6. Bank of New York Mellon Corp — 1.97%
Learn More about top institutional investors of Rambus stock.

Which major investors are selling Rambus stock?

In the previous quarter, RMBS stock was sold by these institutional investors:
  1. Cubist Systematic Strategies LLC
  2. Vaughan Nelson Investment Management L.P.
  3. Assenagon Asset Management S.A.
  4. D. E. Shaw & Co. Inc.
  5. Millennium Management LLC
  6. Westwood Holdings Group Inc.
  7. Two Sigma Investments LP
  8. Bank of America Corp DE
During the previous year, company insiders that have sold Rambus company stock include:
  1. Luc Seraphin (CEO)
  2. Xianzhi Sean Fan (COO)
  3. Desmond Lynch (CFO)
  4. Emiko Higashi (Director)
  5. Necip Sayiner (Director)
  6. Eric B Stang (Director)
Learn More investors selling Rambus stock.

Which major investors are buying Rambus stock?

In the previous quarter, RMBS stock was acquired by institutional investors including:
  1. Price T Rowe Associates Inc. MD
  2. Invesco Ltd.
  3. Norges Bank
  4. Raymond James Financial Inc.
  5. Raymond James Financial Inc.
  6. Congress Asset Management Co.
  7. Analog Century Management LP
  8. SG Americas Securities LLC