# EDGAR Filing Document

**Accession Number:** 0001034842
**File Stem:** 0001034842-26-000043
**Filing Date:** 2026-6
**Character Count:** 4896
**Document Hash:** e9a587d50330426967d01844df99d1bf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001034842-26-000043.hdr.sgml**: 20260617

**ACCESSION NUMBER**: 0001034842-26-000043

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260611

**ITEM INFORMATION**: Completion of Acquisition or Disposition of Assets

**FILED AS OF DATE**: 20260617

**DATE AS OF CHANGE**: 20260617

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RIGEL PHARMACEUTICALS INC
- **CENTRAL INDEX KEY:** 0001034842
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 943248524
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-29889
- **FILM NUMBER:** 261098342

**BUSINESS ADDRESS:**
- **STREET 1:** 611 GATEWAY BOULEVARD, SUITE 900
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080
- **BUSINESS PHONE:** 650-624-1100

**MAIL ADDRESS:**
- **STREET 1:** 611 GATEWAY BOULEVARD, SUITE 900
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080

?xml version='1.0' encoding='ASCII'? rigl-20260611

**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): June 11, 2026

**RIGEL PHARMACEUTICALS, INC.**

(Exact name of registrant as specified in its charter)

**Delaware**

(State or other jurisdiction of incorporation)

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| | |
|:---|:---|
| **0-29889** | **94-3248524** |
| (Commission File No.) | (IRS Employer Identification No.) |
| **611 Gateway Boulevard**<br>**Suite 900** | |
| **South San Francisco, CA** | **94080** |
| (Address of principal executive offices) | (Zip Code) |

---

Registrant's telephone number, including area code: **(650) 624-1100**

**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 (see General Instruction A.2. below):

◻ 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))

---

| | | |
|:---|:---|:---|
| **Title of Each Class** | **Trading**<br>**Symbol(s)** | **Name of Each Exchange on Which** <br>**Registered** |
| **Common Stock, par value $0.001 per share** | **RIGL** | **The Nasdaq Stock Market LLC** |

---

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

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. ◻

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**Item 2.01.&nbsp;&nbsp;&nbsp;&nbsp;Completion of Acquisition or Disposition of Assets.**

As previously disclosed in the Current Report on Form 8-K filed by Rigel Pharmaceuticals, Inc. (the "Company") on May 12, 2026, the Company entered into a License Agreement (the "License Agreement") with Arvinas, Inc., Arvinas Operations, Inc., Arvinas Estrogen Receptor, Inc. and Pfizer Inc. (collectively, the "Licensors"), pursuant to which the Licensors granted the Company exclusive, global rights to develop, manufacture and commercialize VEPPANU™ (vepdegestrant) and related products worldwide.

Following the early termination of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, and the satisfaction of the other closing conditions under the License Agreement, the License Agreement became effective and the transactions contemplated thereby were completed. In connection therewith, the Company paid the Licensors a one-time upfront payment of $70.0 million.

**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.

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| | | |
|:---|:---|:---|
| Dated: June 17, 2026 | **RIGEL PHARMACEUTICALS, INC.** | **RIGEL PHARMACEUTICALS, INC.** |
|  | By: | /s/ Raymond J. Furey |
|  |  | Raymond J. Furey |
|  |  | *Executive Vice President, General Counsel, Chief Compliance Officer, and Corporate Secretary* |

---