# EDGAR Filing Document

**Accession Number:** 0001882782
**File Stem:** 0001193125-26-205798
**Filing Date:** 2026-5
**Character Count:** 4552
**Document Hash:** f46d374343abcea3f7aeddf2eb743bcb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-205798.hdr.sgml**: 20260505

**ACCESSION NUMBER**: 0001193125-26-205798

**CONFORMED SUBMISSION TYPE**: 8-A12B

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260505

**DATE AS OF CHANGE**: 20260505

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Odyssey Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0001882782
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 863384382
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-A12B
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43270
- **FILM NUMBER:** 26941840

**BUSINESS ADDRESS:**
- **STREET 1:** 51 SLEEPER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** (212) 841-1000

**MAIL ADDRESS:**
- **STREET 1:** 51 SLEEPER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

**UNITED STATES<br>SECURITIES AND EXCHANGE COMMISSION<br>WASHINGTON, DC 20549** 

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**FORM 8-A** 

**FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES<br>PURSUANT TO SECTION 12(b) OR (g) OF THE<br>SECURITIES EXCHANGE ACT OF 1934** 

**ODYSSEY THERAPEUTICS, INC.**<br> (Exact name of registrant as specified in its charter)

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| | |
|:---|:---|
| **Delaware**<br> (State of incorporation or organization) | **86-3384382**<br> (I.R.S. Employer Identification No.) |
| **51 Sleeper Street** <br>**Suite 800**<br>**Boston, Massachusetts** <br> (Address of principal executive offices) | **02210**<br>(Zip Code) |

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

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| | |
|:---|:---|
| Title of each class<br>to be so registered | Name of each exchange on which<br>each class is to be registered |
| **Common Stock, par value $0.0001 per share** | **The Nasdaq Stock Market LLC** |

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If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box. 

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. 

If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. 

Securities Act registration statement or Regulation A offering statement file number to which this form relates:

333-295141

Securities to be registered pursuant to Section 12(g) of the Act: None.

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**INFORMATION REQUIRED IN REGISTRATION STATEMENT**

**Item 1. Description of Registrant's Securities to be Registered.** 

A description of the common stock, par value $0.0001 per share (the "Common Stock"), of Odyssey Therapeutics, Inc., a Delaware corporation (the "Registrant"), to be registered hereunder is contained in the section entitled "Description of Capital Stock" in the prospectus included in the Registrant's Registration Statement on Form S-1 (File No. 333-295141), initially filed with the Securities and Exchange Commission (the "Commission") on April 17, 2026, as amended from time to time (the "Registration Statement"), and is incorporated herein by reference. In addition, a description of the Common Stock will be included in a prospectus to be subsequently filed by the Registrant with the Commission pursuant to Rule 424(b) under the Securities Act of 1933, as amended, relating to the Registration Statement, and such prospectus will be deemed incorporated herein by reference.

**Item 2. Exhibits.** 

Under the "Instructions as to Exhibits" with respect to Form 8-A, no exhibits are required to be filed as part of this registration statement because no other securities of the Registrant are registered on The Nasdaq Stock Market LLC and the securities registered hereby are not being registered pursuant to Section 12(g) of the Securities Exchange Act of 1934, as amended.

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**SIGNATURE**

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized.

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| | | |
|:---|:---|:---|
|  | **ODYSSEY THERAPEUTICS, INC.** | **ODYSSEY THERAPEUTICS, INC.** |
| Date: May 5, 2026 | By: | /s/ Gary D. Glick, Ph.D. |
|  |  | Gary D. Glick, Ph.D. |
|  |  | *President and Chief Executive Officer* |

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