Rambus (RMBS)Director sold ~$730K

~$730K

Approx. value · 5,000 sh @ $146.00

19K

Holds after · shares reported

Traded

Jun 1, 2026

Filed

Jun 3, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Apr 2, 2026Insider · 1 personInsiders: 3 sales (~$470K)
2. Apr 14, 2026InsiderDirector sold ~$1.01M of RMBS shares in the open market
3. Apr 24, 2026InsiderDirector sold ~$447K of RMBS shares in the open market
4. Apr 27, 2026Company filing · Form 8-K · ResultsReported its results
5. Apr 29, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“Departure of Directors or Certain Officers; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. The Board of Directors (the “Board”) of Rambus Inc. (“Rambus” or the “Company”) has appointed Sumeet Gagneja as the Senior Vice President and Chief Financial Officer of the Company, effective April 29, 2026, reporting to Luc Seraphin, Chief Executive Officer of the Company.”
6. May 7, 2026InsiderDirector sold ~$188K of RMBS shares in the open market
7. May 8, 2026Insider · Their largest sale since 2022Director sold ~$1.28M of RMBS shares in the open market
8. May 22, 2026InsiderOfficer sold ~$144K of RMBS shares in the open market
9. May 26, 2026Insider · 2 peopleInsiders: 3 sales (~$6.5M)
10. Jun 1, 2026 · this disclosureInsiderDirector sold ~$730K of RMBS shares in the open market

What came next

1. Jun 2, 2026Insider · 1 personInsiders: 2 sales (~$1.6M)
2. Jun 3, 2026InsiderDirector sold ~$851K of RMBS shares in the open market
3. Jul 27, 2026Company filing · Form 8-K · ResultsReported its results
4. Aug 4, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
5. Aug 7, 2026InsiderDirector sold ~$505K of RMBS shares in the open market
6. Aug 31, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On August 31, 2026, John Allen, Vice President, Accounting and Chief Accounting Officer of Rambus Inc. (the “ Company ”), provided notice of his decision to retire, including from his role as Principal Accounting Officer of the Company, effective as of September 8, 2026.”
7. Sep 22, 2026InsiderDirector sold ~$525K of RMBS shares in the open market

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Rambus

For Rambus, OQRO holds 4 insider filings (SEC Form 4 or Form 144) and 10 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its RMBS page.

Other recent filings by Eric B Stang, Director

• SEC Form 4 at Rambus (RMBS)Nov 13, 2025
• SEC Form 4 at Rambus (RMBS)Nov 13, 2025
• SEC Form 4 at Ooma (OOMA)Sep 5, 2025
• SEC Form 4 at Ooma (OOMA)Jun 11, 2025
• SEC Form 4 at Rambus (RMBS)May 12, 2025

The full history of Eric B Stang, Director is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Rambus

• SEC Form 4Oct 5, 2026
• SEC Form 144Oct 2, 2026
• SEC Form 4Sep 24, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026

Everything OQRO holds on this company is on its RMBS page.