P. Kent Hawryluk - 30 Sep 2025 SCHEDULE 13G/A Report for MBX Biosciences, Inc. Common Stock, par value $0.0001 per share (MBX)

Filing Manager: P. Kent Hawryluk
Reporting Manager: P. Kent Hawryluk
Security: MBX Biosciences, Inc. Common Stock, par value $0.0001 per share
Symbol: MBX
Shares outstanding: 46,413,000 shares
Disclosed Ownership: 1,995,759 shares
Ownership: 4.3%
Form type: SCHEDULE 13G/A
Filing time: 14 Nov 2025, 16:05:45 UTC
Date of event: 30 Sep 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
P. Kent Hawryluk	4.3%	1,995,759	1,995,759	0	/s/ P. Kent Hawryluk	P. Kent Hawryluk