Rambus Inc Del SEC Filings

Rambus Inc. executive Brian Wu, EVP and COO, reported a Form 4 transaction reflecting a bona fide gift of company stock. On 11/19/2025, Wu disposed of 300 shares of Rambus common stock as a gift at a reported price of $0.00, meaning he received no compensation for the transfer. Following this transaction, he beneficially owned 137,855 shares in direct ownership. The filing notes explicitly that no compensation was given in relation to the gift.

Rambus Inc. (RMBS) director reported open‑market sales of common stock. On 11/07/2025, the reporting person sold 5,000 shares at a weighted average price of $102.352, with trades ranging from $102.343 to $102.455. On 11/10/2025, an additional 4,000 shares were sold at an exact price of $111.785.

After these transactions, 20,394 shares were indirectly beneficially owned, held by the Stang Family Trust for which the reporting person serves as a trustee.

Rambus Inc. reported strong Q3 2025 results driven by memory interface chips. Revenue reached $178.5 million, up from $145.5 million a year ago. Product revenue set a quarterly record at $93.3 million, with royalties at $65.1 million and contract and other revenue at $20.1 million. Gross profit was $141.9 million and operating income was $63.3 million. Net income was $48.4 million, or diluted EPS of $0.44.

For the nine months, revenue totaled $517.4 million and operating cash flow was $260.2 million. Cash, cash equivalents and marketable securities were $673.3 million as of September 30, 2025. Shares outstanding were 107,650,133 as of September 30, 2025. The company repurchased 0.1 million shares for approximately $5.8 million year-to-date under its 2020 program, with authorization remaining for about 5.6 million shares.

Geographically in Q3, revenue included $91.7 million from South Korea and $37.6 million from Singapore. The company recorded an uncertain tax position reserve tied to South Korea withholding tax refund claims, reducing related long-term tax receivables and payables to zero with no tax expense impact in the period.

Rambus Inc. (RMBS) furnished an 8-K to announce results for the quarter ended September 30, 2025. The company issued an earnings press release, which is attached as Exhibit 99.1 and incorporated by reference.

The Item 2.02 information is stated as furnished, not filed under the Exchange Act, and therefore is not subject to Section 18 liabilities nor automatically incorporated into other filings. The submission also includes Exhibit 104 for the Inline XBRL cover page. The report is dated October 27, 2025.

Rambus Inc. reported a proposed sale under Rule 144 of 9,074 common shares held as performance shares that were acquired on 02/01/2025. The broker listed is Morgan Stanley Smith Barney LLC and the notice cites an aggregate market value of $920,971.98 for the shares and an approximate sale date of 10/06/2025 on NASDAQ. The filer indicates the securities were issued by the company (acquired from the issuer) and shows a prior sale of the same number of shares on 09/15/2025 generating gross proceeds of $832,098.50. Outstanding common shares are listed as 107,593,820, making the block a very small fraction of the total.

Rambus, Inc. (RMBS) insider Form 4 shows SVP and CFO Desmond Lynch sold shares under a pre-established Rule 10b5-1 trading plan adopted on 06/13/2025. On 10/06/2025 the reporting person reported two sales: 5,467 shares at a weighted average price of $101.1681 and 3,607 shares at a weighted average price of $101.9924. After these transactions the reporting person beneficially owned 58,963 and 55,356 shares respectively for each line item shown. The filing was signed by a power of attorney on 10/06/2025.

Rambus Inc. (RMBS) director Meera Rao reported a sale of common stock under a Rule 10b5-1 plan. The Form 4 shows a transaction dated 10/01/2025 in which 653 shares were sold at $101.99 per share, and following the sale Ms. Rao beneficially owns 29,261 shares directly. The filing notes the sale was effected pursuant to a 10b5-1 trading plan adopted May 30, 2025. The Form 4 is signed by power of attorney on 10/02/2025. The filing contains only this single non-derivative disposition and no other compensatory or derivative transactions are reported.

Form 144 notice for RMBS (Rambus Inc) sale activity. The filing lists a proposed sale of 653 common shares via Morgan Stanley Smith Barney LLC on 10/01/2025 with an aggregate market value of $66,599.47. The shares were acquired as restricted stock from the issuer on 04/03/2024 and payment/consideration is listed as Not Applicable. The filer also reported a prior sale of 3,000 common shares on 09/02/2025 that generated $215,160.00 in gross proceeds. Several form fields that normally identify the filer (CIK/CCC), the issuer name, and submission contact details are left blank in the provided content.

Desmond Lynch, SVP and Chief Financial Officer of Rambus Inc. (RMBS), reported an insider sale. On 09/15/2025 he disposed of 9,074 shares of Rambus common stock at a weighted average price of $91.7014, with transaction prices ranging from $88.125 to $94.50. After the sale, he beneficially owned 64,430 shares. The filing states the sale was effected under a Rule 10b5-1 trading plan adopted on 06/13/2025.