| $164M | ||
| $161M | ||
| $148M | ||
| $143M | ||
| $79M | ||
| $76M |
Buys | $0 | 0 | 0 |
Sells | $14,403,295 | 30 | 100 |
| Higashi Emiko | director | 0 | $0 | 2 | $166,906 | $-166,906 |
| Rao Meera | director | 0 | $0 | 2 | $281,759 | $-281,759 |
| LAUB STEVEN | director | 0 | $0 | 3 | $482,772 | $-482,772 |
| STANG ERIC B | director | 0 | $0 | 3 | $1.15M | $-1.15M |
| Sayiner Necip | director | 0 | $0 | 2 | $1.19M | $-1.19M |
| Shinn John | SVP, General Counsel | 0 | $0 | 5 | $1.72M | $-1.72M |
| Lynch Desmond | SVP, CFO | 0 | $0 | 5 | $2.54M | $-2.54M |
| Seraphin Luc | President and CEO | 0 | $0 | 8 | $6.87M | $-6.87M |
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.
Over the last 12 months, insiders at Rambus Inc. have bought $0 and sold $14.4M worth of Rambus Inc. stock.
On average, over the past 5 years, insiders at Rambus Inc. have bought $0 and sold $10.64M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 3,000 shares for transaction amount of $13,887 was made by RISHI SATISH (SVP Finance, CFO) on 2012‑05‑11.
| 2026-03-10 | Sale | Shinn John | SVP, General Counsel | 4,556 0.0042% | $88.68 | $404,008 | +0.02% | |
| 2026-03-03 | Sale | Shinn John | SVP, General Counsel | 4,557 0.004% | $93.55 | $426,319 | -1.46% | |
| 2026-03-02 | Sale | Seraphin Luc | President and CEO | 39,914 0.0366% | $98.63 | $3.94M | -7.85% | |
| 2026-02-23 | Sale | Lynch Desmond | SVP, CFO | 4,273 0.0042% | $101.53 | $433,838 | -3.10% | |
| 2025-11-10 | Sale | STANG ERIC B | director | 4,000 0.0039% | $111.78 | $447,140 | -12.57% | |
| 2025-11-07 | Sale | STANG ERIC B | director | 5,000 0.0046% | $102.35 | $511,760 | -9.91% | |
| 2025-10-06 | Sale | Lynch Desmond | SVP, CFO | 9,074 0.0085% | $101.50 | $920,973 | -3.01% | |
| 2025-10-01 | Sale | Rao Meera | director | 653 0.0006% | $101.99 | $66,599 | -4.90% | |
| 2025-09-15 | Sale | Lynch Desmond | SVP, CFO | 9,074 0.0082% | $91.70 | $832,099 | +4.25% | |
| 2025-09-11 | Sale | Sayiner Necip | director | 7,500 0.0067% | $85.63 | $642,226 | +11.59% | |
| 2025-09-02 | Sale | Rao Meera | director | 3,000 0.0027% | $71.72 | $215,160 | +33.39% | |
| 2025-08-29 | Sale | LAUB STEVEN | director | 2,261 0.0022% | $78.72 | $177,995 | +32.84% | |
| 2025-08-13 | Sale | Higashi Emiko | director | 1,075 0.001% | $77.75 | $83,581 | +26.79% | |
| 2025-08-08 | Sale | Sayiner Necip | director | 7,500 0.007% | $73.53 | $551,448 | +33.20% | |
| 2025-08-04 | Sale | Higashi Emiko | director | 1,111 0.0011% | $75.00 | $83,325 | +28.09% | |
| 2025-08-04 | Sale | Shinn John | SVP, General Counsel | 790 0.0008% | $74.61 | $58,945 | +28.09% | |
| 2025-05-27 | Sale | LAUB STEVEN | director | 1,847 0.0017% | $55.13 | $101,816 | +69.77% | |
| 2025-05-19 | Sale | LAUB STEVEN | director | 3,653 0.0034% | $55.56 | $202,961 | +66.46% | |
| 2025-05-09 | Sale | STANG ERIC B | director | 3,653 0.0034% | $51.13 | $186,778 | +81.09% | |
| 2025-05-05 | Sale | Lynch Desmond | SVP, CFO | 3,118 0.0029% | $50.31 | $156,867 | +81.87% |
| Seraphin Luc | President and CEO | 331070 0.3071% | $31.12M | 0 | 54 | |
| Lynch Desmond | SVP, CFO | 63618 0.059% | $5.98M | 0 | 8 | |
| Higashi Emiko | director | 62296 0.0578% | $5.86M | 0 | 3 | |
| Sayiner Necip | director | 30824 0.0286% | $2.9M | 0 | 6 | |
| Rao Meera | director | 29261 0.0271% | $2.75M | 0 | 3 | |
| STANG ERIC B | director | 20394 0.0189% | $1.92M | 0 | 19 | |
| Shinn John | SVP, General Counsel | 18467 0.0171% | $1.74M | 0 | 15 | |
| LAUB STEVEN | director | 6796 0.0063% | $638,891.96 | 0 | 4 | |
| TATE GEOFFREY | director | 2538856 2.3554% | $238.68M | 0 | 24 | |
| FARMWALD MIKE | director | 2358236 2.1878% | $221.7M | 0 | 22 | |
| HOROWITZ MARK | director | 781831 0.7253% | $73.5M | 0 | 51 | |
| MOORING DAVID G | director | 730622 0.6778% | $68.69M | 0 | 25 | |
| BLACK RONALD D | President & CEO | 631171 0.5856% | $59.34M | 0 | 2 | |
| DAVIDOW WILLIAM H | director | 564572 0.5238% | $53.08M | 0 | 23 | |
| RISHI SATISH | SVP Finance, CFO | 247838 0.2299% | $23.3M | 1 | 4 | +11.23% |
| STARK LAURA | SVP, GM ESD | 235590 0.2186% | $22.15M | 2 | 41 | <0.0001% |
| HUGHES HAROLD | President and CEO | 201998 0.1874% | $18.99M | 1 | 0 | <0.0001% |
| Kim Jae | SVP, GC & Secretary | 106644 0.0989% | $10.03M | 0 | 31 | |
| FAN XIANZHI SEAN | EVP, COO | 93841 0.0871% | $8.82M | 0 | 11 | |
| PATEL SAMIR | Senior Vice-President | 81898 0.076% | $7.7M | 1 | 9 | <0.0001% |
| SOFAER ABRAHAM D | director | 71926 0.0667% | $6.76M | 1 | 0 | +12.53% |
| DONNELLY KEVIN | Senior VP, Engineering | 69118 0.0641% | $6.5M | 1 | 12 | <0.0001% |
| Jones Keith A | Principal Accounting Officer | 56180 0.0521% | $5.28M | 0 | 1 | |
| DANFORTH JOHN D | SVP, GENERAL COUNSEL | 51352 0.0476% | $4.83M | 0 | 18 | |
| LAVELLE THOMAS R | SVP & GC | 44188 0.041% | $4.15M | 0 | 3 | |
| SHRIGLEY DAVID A | director | 42155 0.0391% | $3.96M | 0 | 11 | |
| FISHER ELLIS THOMAS | director | 41906 0.0389% | $3.94M | 0 | 10 | |
| HERSCHER PENNY | director | 26145 0.0243% | $2.46M | 1 | 9 | |
| Pickett Christopher M | SVP, Licensing | 26168 0.0243% | $2.46M | 0 | 1 | |
| BENTLEY J THOMAS | director | 20000 0.0186% | $1.88M | 2 | 0 | <0.0001% |
| KISSNER CHARLES | 18747 0.0174% | $1.76M | 0 | 11 | ||
| EULAU ROBERT K | Chief Financial Officer | 17216 0.016% | $1.62M | 0 | 22 | |
| CHOU SUNLIN | director | 11612 0.0108% | $1.09M | 1 | 0 | |
| LARSEN ED | Senior Vice President | 3852 0.0036% | $362,126.52 | 0 | 5 | |
| DUNLEVIE BRUCE | director | 0 0% | $0 | 0 | 5 | |
| MAY RONALD | VP, Corporate Marketing | 0 0% | $0 | 0 | 1 | |
| Schroeder Michael C | VP, Human Resources | 0 0% | $0 | 0 | 1 |
$852,108,235 | 57 | 31.12% | $10.63B | |
$17,875,978 | 28 | 19.26% | $6.82B | |
$13,184,403 | 24 | 12.48% | $149.42B | |
$6,963,316 | 19 | 30.72% | $7.28B | |
$7,164,218 | 19 | 7.69% | $23.56B | |
$2,307,105 | 14 | 47.39% | $11.73B | |
$2,666,922 | 13 | 24.51% | $76.74B | |
$4,130,365 | 12 | -3.90% | $16.34B | |
$2,288,142 | 11 | 16.40% | $33.52B | |
Rambus Inc. (RMBS) | $442,031 | 9 | -19.64% | $10.13B |
$312,286 | 9 | 17.42% | $7.01B | |
$675,224 | 7 | 2.80% | $5.77B | |
$550,597 | 6 | 20.45% | $48.23B | |
$1,786,902 | 5 | 8.38% | $138.65B | |
$10,040,962 | 5 | 9.20% | $6.69B | |
$889,199 | 4 | 56.96% | $8.58B | |
$1,225,620 | 4 | 46.98% | $8.23B | |
$1,252,620 | 3 | 21.17% | $7.24B | |
$529,752 | 2 | 11.06% | $7.85B |
| Increased Positions | 299 | +52.64% | 9M | +8.84% |
| Decreased Positions | 249 | -43.84% | 10M | -9.65% |
| New Positions | 104 | New | 3M | New |
| Sold Out Positions | 54 | Sold Out | 2M | Sold Out |
| Total Postitions | 618 | +8.8% | 100M | -0.81% |
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| Edgepoint Investment Group Inc. | $266,364.00 | 2.48% | 2.68M | -104,371 | -3.74% | 2025-09-30 |
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| Norges Bank | $195,812.00 | 1.83% | 1.97M | +187,083 | +10.48% | 2025-06-30 |
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