[Form 3] GlycoMimetics, Inc. Initial Statement of Beneficial Ownership

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Doughty Christopher Grant

(Last) (First) (Middle)

C/O CRESCENT BIOPHARMA, INC.

300 FIFTH AVENUE

(Street)

WALTHAM MA 02451

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
06/13/2025

3. Issuer Name and Ticker or Trading Symbol
GLYCOMIMETICS INC [ CBIO ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Business Officer

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	39,480(1)(2)(3)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	(4)	12/11/2034	Ordinary Shares	152,782	$6.16	D

Explanation of Responses:

1. Effective as of June 13, 2025 (the "Effective Time"), (i) a wholly-owned subsidiary of GlycoMimetics, Inc. ("GlycoMimetics") merged with and into Crescent Biopharma, Inc. ("Pre-Merger Crescent") with Pre-Merger Crescent continuing as a wholly owned subsidiary of GlycoMimetics and the surviving corporation of the merger (the "First Merger"), (ii) immediately thereafter, Pre-Merger Crescent merged with and into a second wholly-owned subsidiary of GlycoMimetics ("Second Merger Sub"), with Second Merger Sub being the surviving entity of the merger under the name Crescent Biopharma Operating Company, LLC (the "Second Merger" and, together with the First Merger, the "Merger"). At the Effective Time, GlycoMimetics changed its name to "Crescent Biopharma, Inc." (hereinafter, the "Issuer").

2. This Form gives effect to the Issuer's completion of a conversion from a corporation organized under the laws of the State of Delaware (the "Delaware Corporation") to an exempted company incorporated under the laws of the Cayman Islands (the "Cayman Company"), effective as of June 16, 2025. In connection therewith, (a) each outstanding share of common stock of the Delaware Corporation was automatically converted into one ordinary share of the Cayman Company; and (b) each outstanding option or right to acquire shares of common stock of the Delaware Corporation continued in existence in the form of and automatically became an option or right to acquire an equal number of ordinary shares of the Cayman Company under the same terms and conditions.

3. Represents the number of restricted ordinary shares of the Issuer received by the Reporting Person in the Merger in exchange for the shares of Pre-Merger Crescent's restricted common stock held by the Reporting Person prior to the Merger. Each share of Pre-Merger Crescent's restricted common stock held at the Effective Time was exchanged for 0.1445 restricted ordinary shares of the Issuer. These restricted ordinary shares will vest as to 25% on September 28, 2025 and in equal monthly installments for the 36 months thereafter through September 28, 2028, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

4. Represents options to purchase the Issuer's ordinary shares received by the Reporting Person in the Merger in exchange for options of Pre-Merger Crescent held by the Reporting Person prior to the Merger. 19,098 of the shares subject to the option are fully vested and the remaining 133,684 will vest in equal monthly installments thereafter through December 11, 2028, subject to the Reporting Person's continued service to the Issuer on each such vesting date.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Barbara Bispham, as attorney-in-fact for Christopher Doughty	06/23/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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