CIK 0000917273 · Large accelerated filer
RAMBUS INC
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- RMBS
- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 943112828
- Phone
- 408-462-8000
- Business address
- 4453 NORTH FIRST STREET, SUITE 100, SAN JOSE, CA, 95134
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $1,080,000
- in 2 filings, $1.1M under 10b5-1 plans
Net −$1,080,000. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-03-03 | Shinn John SVP, General Counsel | Sale 10b5-1 | −1,603 | $94.07 | $151K | 23,723 |
| 2026-03-03 | Shinn John SVP, General Counsel | Sale 10b5-1 | −700 | $94.89 | $66K | 23,023 |
| 2026-03-02 | Seraphin Luc President and CEO | Sale 10b5-1 | −1,679 | $95.83 | $161K | 369,305 |
| 2026-03-02 | Seraphin Luc President and CEO | Sale 10b5-1 | −7,225 | $97.38 | $704K | 362,080 |
| 2026-03-02 | Seraphin Luc President and CEO | Sale 10b5-1 | −13,654 | $98.22 | $1.3M | 348,426 |
| 2026-03-02 | Seraphin Luc President and CEO | Sale 10b5-1 | −9,469 | $99.17 | $939K | 338,957 |
| 2026-03-02 | Seraphin Luc President and CEO | Sale 10b5-1 | −6,587 | $100.20 | $660K | 332,370 |
| 2026-03-02 | Seraphin Luc President and CEO | Sale 10b5-1 | −1,300 | $101.65 | $132K | 331,070 |
| 2026-03-02 | PENG VICTOR Director | Grant or award | +168 | 168 | ||
| 2026-02-23 | Lynch Desmond SVP, CFO | Sale 10b5-1 | −4,273 | $101.53 | $434K | 63,618 |
| 2026-02-01 | Shinn John SVP, General Counsel | Grant or award | +17,276 | 37,464 | ||
| 2026-02-01 | Shinn John SVP, General Counsel | Shares withheld for taxes | −9,884 | $113.71 | $1.1M | 27,580 |
| 2026-02-01 | Lynch Desmond SVP, CFO | Grant or award | +34,554 | 89,996 | ||
| 2026-02-01 | Lynch Desmond SVP, CFO | Shares withheld for taxes | −22,105 | $113.71 | $2.5M | 67,891 |
| 2026-02-01 | Seraphin Luc President and CEO | Grant or award | +143,744 | 463,507 | ||
| 2026-02-01 | Seraphin Luc President and CEO | Shares withheld for taxes | −92,523 | $113.71 | $10.5M | 370,984 |
| 2026-02-01 | FAN XIANZHI SEAN EVP, COO | Grant or award | +148,802 | 286,357 | ||
| 2026-02-01 | FAN XIANZHI SEAN EVP, COO | Shares withheld for taxes | −92,403 | $113.71 | $10.5M | 193,954 |
| 2025-11-21 | FAN XIANZHI SEAN EVP, COO | Gift | −300 | 137,555 | ||
| 2025-11-19 | FAN XIANZHI SEAN EVP, COO | Gift | −300 | 137,855 |
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