If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D




Comment for Type of Reporting Person:
Lines 8 and 10: Represents shares of Common Stock held in the joint names of Hing C. Wong, Ph.D., and his spouse, Ms. Bee Yau Huang. Line 11: Includes 103,192 shares of Common Stock held in the joint names of Hing C. Wong, Ph.D., and his spouse, Ms. Bee Yau Huang. Line 13: Percentage calculated based on 2,146,601 shares of common stock, par value $0.0001 per share, outstanding as of May 15, 2025, the closing date of the Company's follow-on public offering, as previously reported.


SCHEDULE 13D


 
Hing C. Wong, Ph.D.
 
Signature:/s/ Hing C. Wong, Ph.D.
Name/Title:Founder and Chief Executive Officer, HCW Biologics Inc.
Date:06/13/2025