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| Keyboard |
| Rambus Inc | |
|---|---|
| Ticker | RMBS |
| CIK # | 0000917273 |
| CUSIP | 750917106 |
| Sector | Manufacturing - Semiconductors & Related Devices |
| Address | 4440 El Camino Real, Los Altos, CA 94022 |
| Source | [EDGAR] |
| Reg D Offering (Form D) | Filed | Raised | Terms |
|---|---|---|---|
| Rambus Inc | 2011-06-07 | 88.6 M | Exemption: 506 · Duration: One year or less · Revenue: Over $100,000,000 |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0000917273] | 10-K | |
| [0000917273] | 10-Q | |
| [0000917273] | 3 | |
| [0000917273] | 4 | |
| [0000917273] | 5 | |
| [0000917273] | 8-K | |
| [0000917273] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| FMR LLC | Rambus Inc | [2026-06-05] | 0.0 |
| Invesco Ltd | Rambus Inc | [2026-05-06] | 0.0 |
| Vanguard Capital Management LLC | Rambus Inc | [2026-04-30] | 0.0 |
| Vanguard Portfolio Management LLC | Rambus Inc | [2026-04-29] | 0.0 |
| Price T Rowe Associates Inc /MD/ | Rambus Inc | [2026-02-17] | 0.0 |
| Price T Rowe Associates Inc /MD/ | Rambus Inc | [2025-02-14] | 0.0 |
| BlackRock Inc | Rambus Inc | [2022-01-26] | 15.7 |
| BlackRock Inc | Rambus Inc | [2021-01-25] | 15.7 |
| Dimensional Fund Advisors LP | Rambus Inc | [2019-02-08] | 5.45 |
| Waddell & Reed Financial Inc | Rambus Inc | [2014-02-07] | 4.3 |
| Vanguard Group Inc | Rambus Inc | [2013-02-13] | 5.02 |
| BlackRock Inc | Rambus Inc | [2013-01-30] | 5.34 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Shinn John
Common Stock
|
2026-03-10 | Sell | 4,356 | $88.64 | 386,116 |
|
Shinn John
Common Stock
|
2026-03-10 | Sell | 200 | $89.55 | 17,910 |
|
Shinn John
Common Stock
|
2026-03-03 | Sell | 2,254 | $92.77 | 209,104 |
|
Shinn John
Common Stock
|
2026-03-03 | Sell | 1,603 | $94.07 | 150,794 |
|
Shinn John
Common Stock
|
2026-03-03 | Sell | 700 | $94.89 | 66,423 |
|
Seraphin Luc
Common Stock
|
2026-03-02 | Sell | 6,587 | $100.20 | 660,017 |
|
Seraphin Luc
Common Stock
|
2026-03-02 | Sell | 1,679 | $95.83 | 160,899 |
|
Seraphin Luc
Common Stock
|
2026-03-02 | Sell | 9,469 | $99.17 | 939,041 |
|
PENG Victor
Common Stock
|
2026-03-02 | Grant | 168 | $0.00 | |
|
Seraphin Luc
Common Stock
|
2026-03-02 | Sell | 7,225 | $97.38 | 703,570 |
|
Seraphin Luc
Common Stock
|
2026-03-02 | Sell | 13,654 | $98.22 | 1,341,096 |
|
Seraphin Luc
Common Stock
|
2026-03-02 | Sell | 1,300 | $101.65 | 132,145 |
|
Lynch Desmond
Common Stock
|
2026-02-23 | Sell | 4,273 | $101.53 | 433,838 |
|
Lynch Desmond
Common Stock
|
2026-02-01 | Grant | 34,554 | $0.00 | |
|
Fan Xianzhi Sean
Common Stock
|
2026-02-01 | Tax withheld | 92,403 | $113.71 | 10,507,145 |
|
Shinn John
Common Stock
|
2026-02-01 | Grant | 17,276 | $0.00 | |
|
Seraphin Luc
Common Stock
|
2026-02-01 | Tax withheld | 92,523 | $113.71 | 10,520,790 |
|
Shinn John
Common Stock
|
2026-02-01 | Tax withheld | 9,884 | $113.71 | 1,123,910 |
|
Seraphin Luc
Common Stock
|
2026-02-01 | Grant | 143,744 | $0.00 | |
|
Fan Xianzhi Sean
Common Stock
|
2026-02-01 | Grant | 148,802 | $0.00 | |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 554 | 95,791,608 |
| 2025-12-31 | 555 | 93,636,644 |
| 2025-09-30 | 520 | 95,936,042 |
| 2025-06-30 | 461 | 92,796,169 |
| 2025-03-31 | 418 | 90,521,328 |
| 2024-12-31 | 399 | 89,513,972 |
| 2024-09-30 | 381 | 95,524,493 |
| 2024-06-30 | 369 | 101,855,764 |
| 2024-03-31 | 380 | 105,612,195 |
| 2023-12-31 | 403 | 99,863,600 |
| 2023-09-30 | 351 | 95,253,009 |
| 2023-06-30 | 398 | 93,630,574 |