# EDGAR Filing Document

**Accession Number:** 0001662579
**File Stem:** 0001628280-26-028108
**Filing Date:** 2026-4
**Character Count:** 2393
**Document Hash:** 00f2234236c6dea6e6cecd00409d4e2c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-26-028108.hdr.sgml**: 20260429

**ACCESSION NUMBER**: 0001628280-26-028108

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260429

**DATE AS OF CHANGE**: 20260429

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** C4 Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0001662579
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 475617627
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39567
- **FILM NUMBER:** 26910487

**BUSINESS ADDRESS:**
- **STREET 1:** 490 ARSENAL WAY
- **STREET 2:** SUITE 120
- **CITY:** WATERTOWN
- **STATE:** MA
- **ZIP:** 02472
- **BUSINESS PHONE:** (617) 231-0700

**MAIL ADDRESS:**
- **STREET 1:** 490 ARSENAL WAY
- **STREET 2:** SUITE 120
- **CITY:** WATERTOWN
- **STATE:** MA
- **ZIP:** 02472

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

_____________________

**SCHEDULE 14A INFORMATION** 

**PROXY STATEMENT PURSUANT TO SECTION 14(a)** 

**OF THE SECURITIES EXCHANGE ACT OF 1934** 

**(Amendment No.&nbsp;&nbsp;&nbsp;&nbsp;)** 

_____________________

Filed by the Registrant ⌧ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Filed by a Party other than the Registrant □

Check the appropriate box:

□ Preliminary Proxy Statement

□ Confidential, for Use of the Commission Only (as permitted by Rule 14a6(e)(2))

□ Definitive Proxy Statement

⌧ **Definitive Additional Materials**

□ Soliciting Material Pursuant to §240.14a12

**C4 THERAPEUTICS, INC.** 

**(Name of Registrant as Specified in its Charter)** 

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** 

Payment of Filing Fee (Check boxes that apply):

⌧ No fee required.

□ Fee paid previously with preliminary materials.

□ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a6(i)(1) and 011.

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![c4therapeuticsinc_vxnaxp47a.jpg](c4therapeuticsinc_vxnaxp47a.jpg)

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![c4therapeuticsinc_vxnaxp47.jpg](c4therapeuticsinc_vxnaxp47.jpg)

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