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.
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Rambus Inc. director-related trust reports open-market sale of shares. A trust associated with director Eric B. Stang, the Stang Family Trust dated September 2, 2004, sold 5,000 shares of Rambus common stock at $146.00 per share in an open-market transaction.
Following the sale, the trust held 19,218 Rambus common shares indirectly, while Stang also held 2,223 shares directly as of the reported date.
Emiko Higashi filed a Form 144 disclosing a proposed sale of 10,000 common shares through Morgan Stanley Smith Barney LLC with an entry dated 06/02/2026. The filing also lists a sale of 5,000 shares on 05/26/2026 for $787,850.50 and multiple restricted stock grants with grant dates and quantities.
RMBS submitted a Form 144 reporting proposed sales of Common Stock. The filing lists 5,000 shares with an aggregate value of $730,000.00, and two restricted stock vesting entries of 2,972 and 2,028 shares dated 04/01/2025 and 10/01/2013. The method is listed as Cash.
Rambus Inc. director Emiko Higashi reported an open-market sale of 5,000 shares of Common Stock on May 26, 2026 at an exact price of $157.5701 per share. After this transaction, Higashi directly owns 59,519 shares of Rambus common stock.
RMBS: Section 144 notice for proposed sale of 5,000 common shares.
The filing reports a Section 144 notice indicating a proposed sale of 5,000 shares of common stock, comprised of 3,824 restricted shares04/01/2026 and 1,176 restricted shares04/03/2024. The filing shows an aggregate value of $787,850.50 and is dated 05/26/2026.
Rambus EVP and COO Sean Xianzhi Fan reported selling 37,914 shares of Rambus common stock in open-market transactions. The sales occurred on May 26, 2026 at prices around $151–$152 per share, including trades at a weighted average price of $151.6896 within a range of $151.27 to $152.18, and a separate block of 100 shares at $152.35. These were routine open-market sales of directly owned shares.
Morgan Stanley Smith Barney LLC Executive Financial Services submitted a Form 144 notice to report proposed sales of Common stock tied to compensation awards. The filing lists multiple award types and grant dates with specific share counts, including 5,370 restricted shares (grant date 02/03/2024) and 4,377 restricted shares (grant date 02/01/2024.
The excerpt enumerates performance shares (10) and several restricted stock lots with grant dates and share counts; the filing does not aggregate a single total for the proposed sales in the provided excerpt.
Rambus Inc. senior vice president and general counsel John Shinn reported an open-market sale of company stock. On May 22, he sold 1,000 shares of Rambus common stock at an exact price of $143.63 per share. After this transaction, he directly holds 21,112 shares of Rambus common stock.
Rule 144 notice filed for RMBS reporting restricted shares for resale. The filing lists 1,000 restricted shares to be sold with a dated restriction of 02/01/2026. The filing also reports two recent transactions by John Shinn: 4,556 shares on 03/10/2026 for $404,007.86 and 4,557 shares on 03/03/2026 for $426,319.20.
T. Rowe Price Associates, Inc. filed an amendment to its Schedule 13G reporting beneficial ownership of 3,376,064 shares of Rambus Inc. common stock, representing 3.1% of the class. The filing shows sole voting power over 3,355,650 shares and sole dispositive power over 3,376,064 shares. The amendment is signed by Ellen York, Vice President, dated 05/15/2026. The filing reiterates that the filer denies beneficial ownership for purposes of the statement required by Item 5.