RAMBUS (RMBS) stock: insider trades, news & valuation
Heavy sellingShare price and insider trades
RAMBUS insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 10 sold $21.0M of RMBS stock on the open market.
Get emailed when insiders cluster-buy stocks like RMBS
Free alerts the day a new cluster buy is filed, plus the Monday report of the week's biggest insider trades.
Free · unsubscribe anytime · not investment advice · see a sample issue
RMBS insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | $555K | 1 |
| Q3 2026 | — | 0 | $1.0M | 2 |
| Q2 2026 | — | 0 | $13.3M | 15 |
| Q1 2026 | — | 0 | $5.2M | 12 |
| Q4 2025 | — | 0 | $1.9M | 5 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 RAMBUS INC insiders reported open-market purchases totaling $0, while 10 insiders reported sales totaling $21.0M. 23 of 35 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Oct 5SEC | Charles KissnerDirector | Sell Plan | 5,0003,747 held (−57%) | $111.00 | $555K | -3.2% | — |
| Sep 24SEC | Charles KissnerDirector | Sell Plan | 5,0008,747 held (−36%) | $105.00 | $525K | +2.4% | — |
| Aug 10SEC | Charles KissnerDirector | Sell Plan | 5,00013,747 held (−27%) | $100.92 | $505K | +6.5% | — |
| Jun 3SEC | Necip SayinerDirector | Sell | 5,00018,223 held (−22%) | $170.15 | $851K | -36.8% | — |
| Jun 3SEC | Emiko HigashiDirector | Sell | 5,00054,519 held (−8%) | $163.00 | $815K | -34.1% | — |
| Jun 3SEC | Emiko HigashiDirector | Sell | 5,00049,519 held (−9%) | $158.00 | $790K | -32.0% | — |
| Jun 2SEC | Eric B StangDirector | Sell | 5,00019,218 held (−21%) | $146.00 | $730K | -26.4% | — |
| May 27SEC | Emiko HigashiDirector | Sell | 5,00059,519 held (−8%) | $157.57 | $788K | -31.8% | — |
| May 26SEC | Xianzhi Sean FanCOO | Sell | 37,814168,458 held (−18%) | $151.69 | $5.7M | -29.2% | — |
| May 26SEC | John ShinnGeneral Counsel | Sell | 1,00021,112 held (−5%) | $143.63 | $144K | -25.2% | — |
| May 26SEC | Xianzhi Sean FanCOO | Sell | 100168,358 held (−0%) | $152.35 | $15K | -29.5% | — |
| May 11SEC | Necip SayinerDirector | Sell | 9,82423,223 held (−30%) | $130.18 | $1.3M | -17.4% | — |
| May 11SEC | Steven LaubDirector | Sell | 1,5007,519 held (−17%) | $125.52 | $188K | -14.4% | — |
| Apr 27SEC | Meera RaoDirector | Sell Plan | 2,97219,974 held (−13%) | $150.30 | $447K | -28.5% | — |
| Apr 15SEC | Meera RaoDirector | Sell Plan | 8,53822,946 held (−27%) | $118.08 | $1.0M | -9.0% | — |
| Apr 3SEC | Luc SeraphinCEO, President | Sell Plan | 2,750345,932 held (−1%) | $87.11 | $240K | +23.4% | — |
| Apr 3SEC | Luc SeraphinCEO, President | Sell Plan | 2,511348,682 held (−1%) | $86.04 | $216K | +24.9% | — |
| Apr 3SEC | Luc SeraphinCEO, President | Sell Plan | 165345,767 held (−0%) | $88.35 | $15K | +21.6% | — |
| Mar 11SEC | John ShinnGeneral Counsel | Sell Plan | 4,35618,667 held (−19%) | $88.64 | $386K | +21.2% | — |
| Mar 11SEC | John ShinnGeneral Counsel | Sell Plan | 20018,467 held (−1%) | $89.55 | $18K | +20.0% | — |
| Mar 4SEC | John ShinnGeneral Counsel | Sell Plan | 2,25425,326 held (−8%) | $92.77 | $209K | +15.8% | — |
| Mar 4SEC | John ShinnGeneral Counsel | Sell Plan | 1,60323,723 held (−6%) | $94.07 | $151K | +14.2% | — |
| Mar 4SEC | John ShinnGeneral Counsel | Sell Plan | 70023,023 held (−3%) | $94.89 | $66K | +13.3% | — |
| Mar 3SEC | Luc SeraphinCEO, President | Sell Plan | 13,654348,426 held (−4%) | $98.22 | $1.3M | +9.4% | — |
| Mar 3SEC | Luc SeraphinCEO, President | Sell Plan | 9,469338,957 held (−3%) | $99.17 | $939K | +8.4% | — |
| Mar 3SEC | Luc SeraphinCEO, President | Sell Plan | 7,225362,080 held (−2%) | $97.38 | $704K | +10.4% | — |
| Mar 3SEC | Luc SeraphinCEO, President | Sell Plan | 6,587332,370 held (−2%) | $100.20 | $660K | +7.3% | — |
| Mar 3SEC | Luc SeraphinCEO, President | Sell Plan | 1,679369,305 held (−0%) | $95.83 | $161K | +12.1% | — |
| Mar 3SEC | Luc SeraphinCEO, President | Sell Plan | 1,300331,070 held (−0%) | $101.65 | $132K | +5.7% | — |
| Feb 24SEC | Desmond LynchCFO | Sell Plan | 4,27363,618 held (−6%) | $101.53 | $434K | +5.9% | — |
| Nov 12SEC | Eric B StangDirector | Sell | 5,00024,394 held (−17%) | $102.35 | $512K | +5.0% | — |
| Nov 12SEC | Eric B StangDirector | Sell | 4,00020,394 held (−16%) | $111.79 | $447K | -3.9% | — |
| Oct 6SEC | Desmond LynchCFO | Sell Plan | 5,46758,963 held (−8%) | $101.17 | $553K | +6.2% | — |
| Oct 6SEC | Desmond LynchCFO | Sell Plan | 3,60755,356 held (−6%) | $101.99 | $368K | +5.4% | — |
| Oct 2SEC | Meera RaoDirector | Sell Plan | 65329,261 held (−2%) | $101.99 | $67K | +5.4% | — |
Insiders at RAMBUS INC
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Xianzhi Sean FanCOO | — | $5.8M | May 26, 2026 | — |
| Luc SeraphinCEO, President | — | $4.4M | Apr 3, 2026 | — |
| Emiko HigashiDirector | — | $2.4M | Jun 3, 2026 | — |
| Necip SayinerDirector | — | $2.1M | Jun 3, 2026 | — |
| Eric B StangDirector | — | $1.7M | Jun 2, 2026 | — |
| Charles KissnerDirector | — | $1.6M | Oct 5, 2026 | — |
| Meera RaoDirector | — | $1.5M | Apr 27, 2026 | — |
| Desmond LynchCFO | — | $1.4M | Feb 24, 2026 | — |
| John ShinnGeneral Counsel | — | $974K | May 26, 2026 | — |
| Steven LaubDirector | — | $188K | May 11, 2026 | — |
RMBS stock: common questions
Are RAMBUS INC insiders buying RMBS stock?
In the past 12 months, 0 insiders reported open-market purchases of RMBS worth $0.
Are RAMBUS INC insiders selling RMBS stock?
10 insiders reported sales worth $21.0M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is RMBS's 52-week range?
Over the past year RMBS has traded between $79.73 and $170.66. It last closed at $107.47 on Oct 9, 2026.