GROUP ONE TRADING LLC - 28 Feb 2026 SCHEDULE 13G Report for Quince Therapeutics, Inc. Common Stock, par value $0.0001 par value (QNCX)

Filing Manager: GROUP ONE TRADING LLC
Reporting Manager: GROUP ONE TRADING LLC
Security: Quince Therapeutics, Inc. Common Stock, par value $0.0001 par value
Symbol: QNCX
Shares outstanding: 55,541,178 shares
Disclosed Ownership: 5,942,906 shares
Ownership: 11%
Form type: SCHEDULE 13G
Filing time: 05 Mar 2026, 17:52:37 UTC
Date of event: 28 Feb 2026
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
GROUP ONE TRADING LLC	11%	5,942,906	5,942,906	0	Kyle Tondo-Kramer	Chief Compliance Officer