# EDGAR Filing Document

**Accession Number:** 0001253689
**File Stem:** 0001628280-26-026285
**Filing Date:** 2026-4
**Character Count:** 2273
**Document Hash:** cbe6112c7a9daecac21b56d9145775ff
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-26-026285.hdr.sgml**: 20260421

**ACCESSION NUMBER**: 0001628280-26-026285

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260421

**DATE AS OF CHANGE**: 20260421

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CRESCENT BIOPHARMA, INC.
- **CENTRAL INDEX KEY:** 0001253689
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36177
- **FILM NUMBER:** 26879637

**BUSINESS ADDRESS:**
- **STREET 1:** 300 FIFTH AVENUE
- **CITY:** WALTHAM
- **STATE:** MA
- **ZIP:** 02451
- **BUSINESS PHONE:** 617-430-5595

**MAIL ADDRESS:**
- **STREET 1:** 300 FIFTH AVENUE
- **CITY:** WALTHAM
- **STATE:** MA
- **ZIP:** 02451

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GLYCOMIMETICS INC
- **DATE OF NAME CHANGE:** 20030711

**UNITED STATES<br>SECURITIES AND EXCHANGE COMMISSION<br>Washington, D.C. 20549**

**________________**

**SCHEDULE 14A**

**________________**

**Proxy Statement Pursuant to Section 14(a) of the <br>Securities Exchange Act of 1934 <br>(Amendment No.)**

**________________**

Filed by the Registrant ☒ <br> 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 14a-6(e)(2))**

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material under § 240.14a-12

**CRESCENT BIOPHARMA, INC.<br>(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 all 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 14a-6(i)(1) and 0-11.

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<u>**Table of Contents**</u>

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<u>**Table of Contents**</u>

![ordinary2.jpg](ordinary2.jpg)

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