# EDGAR Filing Document

**Accession Number:** 0000917273
**File Stem:** 0001193125-26-044677
**Filing Date:** 2026-2
**Character Count:** 9335
**Document Hash:** 8f2900eaa146d1511d63e40306d360c6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-044677.hdr.sgml**: 20260210

**ACCESSION NUMBER**: 0001193125-26-044677

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 14

**CONFORMED PERIOD OF REPORT**: 20260204

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260210

**DATE AS OF CHANGE**: 20260210

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RAMBUS INC
- **CENTRAL INDEX KEY:** 0000917273
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 943112828
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-22339
- **FILM NUMBER:** 26615984

**BUSINESS ADDRESS:**
- **STREET 1:** 4453 NORTH FIRST STREET, SUITE 100
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95134
- **BUSINESS PHONE:** 408-462-8000

**MAIL ADDRESS:**
- **STREET 1:** 4453 NORTH FIRST STREET, SUITE 100
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95134

?xml version='1.0' encoding='ASCII'? 8-K

### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

### FORM 8-K

#### CURRENT REPORT

#### Pursuant to Section 13 or 15(d)

#### of the Securities Exchange Act of 1934

#### Date of Report (Date of earliest event reported)

#### February 4, 2026

## Rambus Inc.

#### (Exact name of registrant as specified in its charter)

---

| | | |
|:---|:---|:---|
| **Delaware** | **000-22339** | **94-3112828** |
| **(State or other jurisdiction**<br> **of incorporation)** | **(Commission**<br> **File Number)** | **(I. R. S. Employer**<br> **Identification No.)** |

---

#### 4453 North First Street, Suite 100

#### San Jose, California 95134

#### (Address of principal executive offices)
(408) 462-8000

#### (Registrant's telephone number, including area code)

#### Not Applicable

#### (Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

---

| | | |
|:---|:---|:---|
| **Title of Each Class** | **Trading<br>Symbol** | **Name of Each Exchange**<br> **on Which Registered** |
| Common Stock, $.001 Par Value | RMBS | The NASDAQ Stock Market LLC |
|  |  | (The NASDAQ Global Select Market) |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

------

---

| | |
|:---|:---|
| **Item 5.02.** | **Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.**  |

---

(b) Departure of Certain Officers

On February 4, 2026, Desmond Lynch, Senior Vice President, Chief Financial Officer of Rambus Inc. (the "Company") notified the Company that he was resigning with an effective date as of February 27, 2026. Mr. Lynch is resigning to pursue another professional opportunity, and his departure is not related to any disagreement with the Company relating to its operations, policies or practices. The Company thanks Mr. Lynch for his years of valuable service.

(c) Appointment of Certain Officers

In connection with and effective upon Mr. Lynch's departure, the Company is appointing John Allen to the position of Vice President, Interim Chief Financial Officer. Mr. Allen will also continue to serve in his current role of the Company's Chief Accounting Officer.

Mr. Allen, age 62, currently serves as the Company's Vice President, Accounting and Chief Accounting Officer, and has served in that role since 2023. Previously, Mr. Allen served as Senior Vice President, Corporate Controller of Xperi Inc., a consumer and entertainment technology company, from 2012 to March 2023. Mr. Allen received a BA degree in Business Economics from the University of California, Santa Barbara in 1985.

Mr. Allen's current annual compensation consists of a base salary of $383,985 and a target bonus of $153,594, and he is eligible for an annual equity grant. Mr. Allen's compensatory arrangements are subject to review and adjustment in accordance with the Company's applicable practices and policies.

There is no arrangement or understanding between Mr. Allen and any other person pursuant to which Mr. Allen was appointed as Interim Chief Financial Officer. There are no family relationships between Mr. Allen and any director or executive officer of the Company, and he has no direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.

On February 10, 2026, the Company issued a press release announcing Mr. Allen's appointment. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

#### Item 9.01 - Financial Statements and Exhibits.

---

| | |
|:---|:---|
| (d) | Exhibits. |
| 99.1 | [Press Release, dated February 10, 2026](d761424dex991.htm) |
| 104 | Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101) |

---

------

#### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

---

| | |
|:---|:---|
| Date: February 10, 2026 | Rambus Inc. |
|  | /s/ John Shinn |
|  | John Shinn<br> Senior Vice President and General Counsel |

---

## Exhibit 99.1

**Exhibit 99.1**![LOGO](g761424g0210042633417.jpg)

## Rambus Announces Departure of Chief Financial Officer
**SAN JOSE, Calif. – February 10, 2026 –** Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced that Desmond Lynch, senior vice president and chief financial officer (CFO), will resign from Rambus effective February 27, 2026, to pursue another opportunity. A formal search has commenced for a new CFO. John Allen, current vice president and chief accounting officer at Rambus, will serve as interim CFO and ensure a seamless transition until a permanent successor has been appointed.

"Des has been a valued partner in supporting the company's continued momentum, and we thank him for his many contributions," said Luc Seraphin, chief executive officer at Rambus. "With John serving as interim CFO, backed by our strong finance organization, we are confident in our ongoing ability to execute on our growth strategy and deliver long-term value."

"It has been a privilege to serve as CFO of Rambus and work alongside such a talented global team," said Desmond Lynch. "I am proud of the financial and operational milestones Rambus achieved, and look forward to following the continued success of the company."

Separately, Rambus is reaffirming its previously issued guidance for the first quarter of fiscal year 2026.

**About Rambus Inc.**

Rambus delivers industry-leading chips and silicon IP for the data center and AI infrastructure. With over three decades of advanced semiconductor experience, our products and technologies address the critical bottlenecks between memory and processing to accelerate data-intensive workloads. By enabling greater bandwidth, efficiency and security across next-generation computing platforms, we make data faster and safer. For more information, visit rambus.com.

**Forward-Looking Statements** 

This release contains forward-looking statements under the Private Securities Litigation Reform Act of 1995, including those relating to the Company's outlook and financial guidance for the first quarter of 2026. Such forward-looking statements are based on current expectations, estimates and projections, management's beliefs and certain assumptions made by the Company's management. Actual results may differ materially. The Company's business generally is subject to a number of risks which are described more fully in Rambus' periodic reports filed with the Securities and Exchange Commission. The Company undertakes no obligation to update forward-looking statements to reflect events or circumstances after the date hereof.

Source: Rambus Inc.

**Contact**:

Nicole Noutsios

Rambus Investor Relations

(510) 315-1003

rambus@nmnadvisors.com

<sup>©</sup> Rambus Inc.