Rambus Inc SEC filings RMBS
Rambus Inc has 1,004 filings in SEC EDGAR's recent list, going back to Oct 5, 2011. Its latest annual report, Form ARS, was filed on Mar 6, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 26, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 26, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 27, 2026 | — |
| 10-Q | Quarterly report | Oct 26, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2026 | Oct 26, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 2, 2026 |
| 144 | Notice of proposed sale | Oct 2, 2026 | — |
| 4 | Insider transaction | Sep 24, 2026 | Sep 22, 2026 |
| 144 | Notice of proposed sale | Sep 22, 2026 | — |
| 3 | Initial insider ownership | Sep 15, 2026 | Sep 8, 2026 |
| 8-K |
Current report
Officer or director change
|
Sep 4, 2026 | Aug 31, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 144 | Notice of proposed sale | Aug 7, 2026 | — |
| 8-K |
Current report
Material agreement, New debt
|
Aug 5, 2026 | Aug 4, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2026 | — |
| 10-Q | Quarterly report | Jul 28, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2026 | Jul 27, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 5, 2026 | — |
| 4 | Insider transaction | Jun 3, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 2, 2026 |
| 144 | Notice of proposed sale | Jun 3, 2026 | — |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 144 | Notice of proposed sale | Jun 2, 2026 | — |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2026 | — |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 4 | Insider transaction | May 26, 2026 | May 26, 2026 |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 4 | Insider transaction | May 26, 2026 | May 22, 2026 |
| 144 | Notice of proposed sale | May 22, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 144 | Notice of proposed sale | May 8, 2026 | — |
| 144 | Notice of proposed sale | May 7, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 6, 2026 | — |
| 4 | Insider transaction | May 4, 2026 | May 1, 2026 |
| 3 | Initial insider ownership | Apr 30, 2026 | Apr 29, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Apr 29, 2026 | Apr 29, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 10-Q | Quarterly report | Apr 28, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2026 | Apr 27, 2026 |
| 4 | Insider transaction | Apr 27, 2026 | Apr 24, 2026 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Apr 24, 2026 | Apr 23, 2026 |
| 144 | Notice of proposed sale | Apr 24, 2026 | — |
| 4 | Insider transaction | Apr 15, 2026 | Apr 14, 2026 |
| 144 | Notice of proposed sale | Apr 14, 2026 | — |
| 4 | Insider transaction | Apr 7, 2026 | Apr 3, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| 144 | Notice of proposed sale | Apr 2, 2026 | — |
| 144 | Notice of proposed sale | Apr 2, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 11, 2026 | Mar 10, 2026 |
| 144 | Notice of proposed sale | Mar 10, 2026 | — |
| ARS | Annual report to shareholders | Mar 6, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 6, 2026 | — |
| DEF 14A | Proxy statement | Mar 6, 2026 | Apr 23, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 3, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 144 | Notice of proposed sale | Mar 3, 2026 | — |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 4 | Insider transaction | Feb 24, 2026 | Feb 23, 2026 |
| 144 | Notice of proposed sale | Feb 23, 2026 | — |
| 3 | Initial insider ownership | Feb 20, 2026 | Feb 12, 2026 |
| 10-K | Annual report | Feb 18, 2026 | Dec 31, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Feb 12, 2026 | Feb 12, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 10, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Feb 1, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 2, 2026 | Feb 2, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 4 | Insider transaction | Nov 21, 2025 | Nov 21, 2025 |
| 4 | Insider transaction | Nov 20, 2025 | Nov 19, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 7, 2025 |
| 144 | Notice of proposed sale | Nov 10, 2025 | — |
| 144 | Notice of proposed sale | Nov 7, 2025 | — |
| 10-Q | Quarterly report | Oct 28, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2025 | Oct 27, 2025 |
| 144 | Notice of proposed sale | Oct 6, 2025 | — |
| 4 | Insider transaction | Oct 6, 2025 | Oct 6, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Oct 1, 2025 |
| 144 | Notice of proposed sale | Oct 1, 2025 | — |
| 4 | Insider transaction | Sep 16, 2025 | Sep 15, 2025 |
| 144 | Notice of proposed sale | Sep 15, 2025 | — |
| 4 | Insider transaction | Sep 12, 2025 | Sep 11, 2025 |
| 144 | Notice of proposed sale | Sep 11, 2025 | — |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Sep 1, 2025 |
| 144 | Notice of proposed sale | Sep 2, 2025 | — |
| 4 | Insider transaction | Sep 2, 2025 | Aug 29, 2025 |
| 144 | Notice of proposed sale | Aug 29, 2025 | — |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 144 | Notice of proposed sale | Aug 13, 2025 | — |
| 4 | Insider transaction | Aug 11, 2025 | Aug 8, 2025 |
| 144 | Notice of proposed sale | Aug 8, 2025 | — |
| 4 | Insider transaction | Aug 6, 2025 | Aug 4, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 4, 2025 |
| 144 | Notice of proposed sale | Aug 4, 2025 | — |
| 144 | Notice of proposed sale | Aug 4, 2025 | — |
| 10-Q | Quarterly report | Jul 29, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2025 | Jul 28, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| 4 | Insider transaction | May 28, 2025 | May 27, 2025 |
| 4 | Insider transaction | May 20, 2025 | May 19, 2025 |
| 144 | Notice of proposed sale | May 19, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 144 | Notice of proposed sale | May 9, 2025 | — |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 144 | Notice of proposed sale | May 5, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
Apr 30, 2025 | Apr 24, 2025 |
| 10-Q | Quarterly report | Apr 29, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2025 | Apr 28, 2025 |
| 4 | Insider transaction | Apr 24, 2025 | Apr 22, 2025 |
| 144 | Notice of proposed sale | Apr 23, 2025 | — |
| 144 | Notice of proposed sale | Apr 22, 2025 | — |
| 4 | Insider transaction | Apr 16, 2025 | Apr 15, 2025 |
| 144 | Notice of proposed sale | Apr 15, 2025 | — |
| 4 | Insider transaction | Apr 8, 2025 | Apr 8, 2025 |
| 144 | Notice of proposed sale | Apr 8, 2025 | — |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 144 | Notice of proposed sale | Apr 1, 2025 | — |
| 4 | Insider transaction | Mar 26, 2025 | Mar 25, 2025 |
| 144 | Notice of proposed sale | Mar 25, 2025 | — |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 144 | Notice of proposed sale | Mar 21, 2025 | — |
| 4 | Insider transaction | Mar 19, 2025 | Mar 18, 2025 |
| 144 | Notice of proposed sale | Mar 18, 2025 | — |
| 4 | Insider transaction | Mar 17, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 14, 2025 |
| 144 | Notice of proposed sale | Mar 14, 2025 | — |
| 144 | Notice of proposed sale | Mar 14, 2025 | — |
| ARS | Annual report to shareholders | Mar 7, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 7, 2025 | — |
| DEF 14A | Proxy statement | Mar 7, 2025 | Apr 24, 2025 |
| S-8 | Employee stock plan registration | Feb 24, 2025 | — |
| 10-K | Annual report | Feb 24, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 19, 2025 |
| 144 | Notice of proposed sale | Feb 19, 2025 | — |
| 144 | Notice of proposed sale | Feb 19, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 4, 2025 | Feb 1, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Feb 1, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Feb 1, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Feb 1, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2025 | Feb 3, 2025 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 12, 2024 |
| 144 | Notice of proposed sale | Dec 12, 2024 | — |
| 144 | Notice of proposed sale | Dec 12, 2024 | — |
| 8-K |
Current report
Material agreement
|
Dec 10, 2024 | Dec 9, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| 10-Q | Quarterly report | Oct 30, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2024 | Oct 28, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 23, 2024 | — |
| 4 | Insider transaction | Sep 4, 2024 | Sep 3, 2024 |
| 10-Q | Quarterly report | Jul 31, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2024 | Jul 29, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2024 | — |
| 4 | Insider transaction | May 8, 2024 | May 7, 2024 |
| 144 | Notice of proposed sale | May 8, 2024 | — |
| 144 | Notice of proposed sale | May 7, 2024 | — |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2024 | Apr 29, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Apr 26, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Apr 16, 2024 | Apr 16, 2024 |
| 144 | Notice of proposed sale | Apr 16, 2024 | — |
| 4 | Insider transaction | Apr 10, 2024 | Apr 9, 2024 |
| 144 | Notice of proposed sale | Apr 9, 2024 | — |
| 4 | Insider transaction | Apr 4, 2024 | Apr 3, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- RMBS (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- San Jose, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 917273
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.