Rambus Inc
RMBSFigures shown here come from public SEC filings. Dates beside each section show the available history.
How Rambus Inc Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
Pick a year or quarter. Each band's width is its dollar amount.
Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
Loading financial history…
SEC filings supply these figures; updates after the dates shown are not included. This page includes 18 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 3, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| Financial Management Professionals, Inc. | 2026-03-31 | 11 | $946 | SEC filing |
| MassMutual Private Wealth & Trust, FSB | 2026-03-31 | 485 | $41.7K | SEC filing |
| Stephens Investment Management Group LLC | 2026-03-31 | 407,783 | $35.1M | SEC filing |
| GUGGENHEIM CAPITAL LLC | 2026-03-31 | 42,731 | $3.68M | SEC filing |
| MML INVESTORS SERVICES, LLC | 2026-03-31 | 5,479 | $471K | SEC filing |
| DEUTSCHE BANK AG\ | 2026-03-31 | 108,308 | $9.32M | SEC filing |
| Versant Capital Management, Inc | 2026-03-31 | 1,276 | $110K | SEC filing |
| Ethic Inc. | 2026-03-31 | 3,540 | $305K | SEC filing |
| Daiwa Securities Group Inc. | 2026-03-31 | 1,160 | $99.8K | SEC filing |
| Godfrey Financial Associates, Inc. | 2026-03-31 | 5 | $430 | SEC filing |
| IMA Advisory Services, Inc. | 2026-03-31 | 4 | $344 | SEC filing |
| THORNBURG INVESTMENT MANAGEMENT INC | 2026-03-31 | 58,106 | $5M | SEC filing |
| CAMBIAR INVESTORS LLC | 2026-03-31 | 18,494 | $1.59M | SEC filing |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 2026-03-31 | 66,044 | $5.68M | SEC filing |
| SCHWARTZ INVESTMENT COUNSEL INC | 2026-03-31 | 420,337 | $36.2M | SEC filing |
| Corient IA LLC | 2026-03-31 | 2,230 | $192K | SEC filing |
| MOODY NATIONAL BANK TRUST DIVISION | 2026-03-31 | 16,170 | $1.39M | SEC filing |
| Steward Partners Investment Advisory, LLC | 2026-03-31 | 411 | $35.4K | SEC filing |
| XPONANCE LLC | 2026-03-31 | 15,331 | $1.32M | SEC filing |
| Penn Capital Management Company, LLC | 2026-03-31 | 12,371 | $1.08M | SEC filing |
120 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among Rambus Inc's recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2026-05-26 · FAN XIANZHI SEAN: Larger than 120 of the 123 other insider sales of Common Stock on file. SEC filing
- 2025-02-19 · FAN XIANZHI SEAN: Larger than 122 of the 123 other insider sales of Common Stock on file. SEC filing
- 2024-03-04 · FAN XIANZHI SEAN: Larger than 112 of the 123 other insider sales of Common Stock on file. SEC filing
- 2024-03-01 · FAN XIANZHI SEAN: Larger than 115 of the 123 other insider sales of Common Stock on file. SEC filing
- 2024-02-12 · FAN XIANZHI SEAN: Larger than 115 of the 123 other insider sales of Common Stock on file. SEC filing
- 2024-02-05 · FAN XIANZHI SEAN: Larger than 115 of the 123 other insider sales of Common Stock on file. SEC filing
- 2023-12-11 · FAN XIANZHI SEAN: Larger than 113 of the 123 other insider sales of Common Stock on file. SEC filing
- 2023-08-29 · FAN XIANZHI SEAN: Larger than 114 of the 123 other insider sales of Common Stock on file. SEC filing
- 2022-11-18 · FAN XIANZHI SEAN: Larger than all 123 other insider sales of Common Stock on file. SEC filing
- 2022-11-15 · Sayiner Necip: Larger than 111 of the 123 other insider sales of Common Stock on file. SEC filing
- 2022-11-15 · FAN XIANZHI SEAN: Larger than 121 of the 123 other insider sales of Common Stock on file. SEC filing
- 2022-05-06 · KISSNER CHARLES: Larger than 115 of the 123 other insider sales of Common Stock on file. SEC filing
- 2022-05-05 · KISSNER CHARLES: Larger than 115 of the 123 other insider sales of Common Stock on file. SEC filing
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-06-03 | Sayiner Necip · Director | Common Stock | S — Open market or private sale | −5,000 | 170.15 | SEC filing |
| 2026-06-02 | Higashi Emiko · Director | Common Stock | S — Open market or private sale | −5,000 | 158.00 | SEC filing |
| 2026-06-02 | Higashi Emiko · Director | Common Stock | S — Open market or private sale | −5,000 | 163.00 | SEC filing |
| 2026-06-01 | STANG ERIC B · Director | Common Stock | S — Open market or private sale | −5,000 | 146.00 | SEC filing |
| 2026-05-26 | FAN XIANZHI SEAN · EVP, COO | Common Stock | S — Open market or private sale | −100 | 152.35 | SEC filing |
| 2026-05-26 | FAN XIANZHI SEAN · EVP, COO | Common Stock | S — Open market or private sale | −37,814 | 151.69 | SEC filing |
| 2026-05-26 | Higashi Emiko · Director | Common Stock | S — Open market or private sale | −5,000 | 157.57 | SEC filing |
| 2026-05-22 | Shinn John · SVP, General Counsel | Common Stock | S — Open market or private sale | −1,000 | 143.63 | SEC filing |
Showing 8 of 10 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-05-01 | Gagneja Sumeet · SVP, CFO | Common Stock | A — Grant, award, or other acquisition | +26,802 | SEC filing |
| 2026-05-01 | Gagneja Sumeet · SVP, CFO | Common Stock | A — Grant, award, or other acquisition | +14,518 | SEC filing |
| 2026-04-03 | Allen John K · Chief Accounting Officer | Common Stock | F — Payment of exercise price or tax by delivering securities | −1,131 | SEC filing |
| 2026-04-01 | Seraphin Luc · President and CEO | Common Stock | A — Grant, award, or other acquisition | +32,684 | SEC filing |
| 2026-04-01 | Higashi Emiko · Director | Common Stock | A — Grant, award, or other acquisition | +2,223 | SEC filing |
| 2026-04-01 | PENG VICTOR · Director | Common Stock | A — Grant, award, or other acquisition | +2,223 | SEC filing |
| 2026-04-01 | STANG ERIC B · Director | Common Stock | A — Grant, award, or other acquisition | +2,223 | SEC filing |
| 2026-04-01 | KISSNER CHARLES · Director | Common Stock | A — Grant, award, or other acquisition | +2,223 | SEC filing |
Showing 8 of 32 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.