Welcome to our dedicated page for RAMBUS SEC filings (Ticker: RMBS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on RAMBUS's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.
Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into RAMBUS's regulatory disclosures and financial reporting.
T. Rowe Price Associates, Inc. reports beneficial ownership of 4,693,390 shares of Rambus Inc. common stock, representing 4.4% of the class. The filing shows sole voting power over 4,653,104 shares and sole dispositive power over 4,693,390 shares, indicating T. Rowe Price controls both voting and disposition for the reported position. The statement is made on Schedule 13G with the filer classified as an investment adviser (IA) and includes a certification that the shares are held in the ordinary course of business and not for the purpose of changing or influencing control. Rambus' principal executive office is listed in San Jose, California.
Rambus Inc. (RMBS) Form 144 reports a proposed sale of 1,075 common shares through Morgan Stanley Smith Barney with an aggregate market value of $83,581.25 and an approximate sale date of 08/13/2025 on NASDAQ. The filing shows these shares were acquired as restricted stock from the issuer on 04/03/2024 and paid for the same day.
The filing also lists a recent sale by Emiko Higashi of 1,111 shares on 08/04/2025 for $83,325.00. With 107,593,820 shares outstanding, the proposed 1,075-share sale represents roughly 0.001% of outstanding shares, indicating this is a routine, small-scale insider sale disclosed under Rule 144.
Rambus director Necip Sayiner reported an open-market sale of 7,500 shares of common stock on 08/08/2025 at a weighted-average price of $73.5264. The filing states the shares were sold in multiple transactions at prices ranging from $73.51 to $73.59, and the reporting person offers to provide a breakdown of the number of shares sold at each separate price on request.
Following the reported transactions, Sayiner is shown as directly owning 38,324 shares. The Form 4 shows no derivative transactions in Table II and was filed as a single reporting person disclosure.
Rambus filed a Form 144 reporting an intended sale of 7,500 common shares through Morgan Stanley Smith Barney LLC, with an aggregate market value of $551,447.25. The filing lists total shares outstanding as 107,593,820 and gives an approximate sale date of 08/08/2025. The shares were acquired on 11/08/2023 by exercising shares from the issuer and were paid for in cash on that date.
The notice includes the seller's representation that they do not know of any undisclosed material adverse information about the issuer. The filing reports nothing to report for sales in the past three months and provides the broker's address for the transaction.
SEC Form 4 filed on 8 Aug 2025 reports that Rambus (RMBS) director Emiko Higashi sold 1,111 common shares on 4 Aug 2025 at an exact price of $75.00, generating proceeds of about $83k. Following the sale, Higashi’s direct holdings stand at 63,371 shares. No derivative securities were involved and the transaction was not executed under a disclosed 10b5-1 trading plan. The filing was submitted by attorney-in-fact Brian Wu on 6 Aug 2025.
The disposition represents roughly 1.7% of the insider’s reported stake and is immaterial relative to Rambus’s total outstanding shares, suggesting the action is routine portfolio management rather than a signal of strategic change. Investors monitoring insider sentiment may note that Higashi retains a sizeable position, maintaining alignment with shareholders.