Champlain Investment Partners, LLC - May 14, 2025 SCHEDULE 13G Report for OneStream, Inc. Common Stock (OS)

Filing Manager: Champlain Investment Partners, LLC
Reporting Manager: Champlain Investment Partners, LLC
Security: OneStream, Inc. Common Stock
Symbol: OS
Shares outstanding: 73.4M shares
Disclosed Ownership: 4.04M shares
Ownership: 5.5%
Form type: SCHEDULE 13G
Date filed: 5/14/2025, 03:42 PM
Date of event: May 14, 2025
Previous filing: Feb 13, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Champlain Investment Partners, LLC	5.5%	4.04M	2.68M	0	Matthew Garcia	Chief Compliance Officer