Company Analysis

Rambus Inc. (RMBS)

Nasdaq: RMBS · Semiconductors & Related Devices · San Jose, CA · filing with the SEC since 1997
Grade6.4
◀ Past 4.6● Present 7.4▶ Future 7.0

Filings

236 filings since 2017 beside 449 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 26 days after the quarter ended. The proxy statement was last filed Mar 6, 2026.

Filings a yearinsider forms included
6953526578828786
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 4 times in the last 36 months, the newest Sep 4, 2026.Auditor change (8-K item 4.01): 1 time in the last 36 months, the newest Feb 28, 2024.
Insider forms 449

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 5, 2026 SCHEDULE 13G/A Large holder update, amended
Oct 27, 2026 SCHEDULE 13G/A Large holder update, amended
Oct 26, 2026 10-Q Quarterly report Sep 30, 2026
Oct 26, 2026 8-K items 2.02, 9.01 Results released · Current report
Sep 4, 2026 8-K item 5.02 Officer or director change · Current report Aug 31, 2026
Aug 5, 2026 8-K items 1.01, 2.03, 9.01 Major agreement signed; New debt or obligation taken on · Current report Aug 4, 2026
Jul 29, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 28, 2026 10-Q Quarterly report Jun 30, 2026
Jul 27, 2026 8-K items 2.02, 9.01 Results released · Current report
Jun 5, 2026 SCHEDULE 13G Large holder notice
Jun 1, 2026 SD Conflict minerals report
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 6, 2026 SCHEDULE 13G Large holder notice
Apr 30, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 8-K items 5.02, 9.01 Officer or director change · Current report
Apr 28, 2026 10-Q Quarterly report Mar 31, 2026
Apr 27, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 24, 2026 8-K items 5.07, 8.01 Shareholder vote; Other event · Current report Apr 23, 2026
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 6, 2026 ARS Annual report to shareholders Dec 31, 2025
Mar 6, 2026 DEFA14A Extra proxy material
Mar 6, 2026 DEF 14A Proxy statement Apr 23, 2026
Feb 18, 2026 10-K Annual report Dec 31, 2025
Feb 17, 2026 SCHEDULE 13G Large holder notice
Feb 12, 2026 8-K items 5.02, 9.01 Officer or director change · Current report
Feb 10, 2026 8-K items 5.02, 9.01 Officer or director change · Current report Feb 4, 2026
Feb 2, 2026 8-K items 2.02, 9.01 Results released · Current report
Jan 21, 2026 SCHEDULE 13G/A Large holder update, amended
Oct 28, 2025 10-Q Quarterly report Sep 30, 2025
Oct 27, 2025 8-K items 2.02, 9.01 Results released · Current report
Aug 14, 2025 SCHEDULE 13G/A Large holder update, amended
Jul 29, 2025 10-Q Quarterly report Jun 30, 2025
Jul 28, 2025 8-K items 2.02, 9.01 Results released · Current report
May 30, 2025 SD Conflict minerals report
May 14, 2025 SCHEDULE 13G/A Large holder update, amended
Apr 30, 2025 8-K item 5.07 Shareholder vote · Current report Apr 24, 2025
Apr 29, 2025 10-Q Quarterly report Mar 31, 2025
Apr 28, 2025 8-K items 2.02, 9.01 Results released · Current report
Mar 7, 2025 ARS Annual report to shareholders Dec 31, 2024
40 of 236 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton RMBS · research, not advice