Thomas Anthony Shea

Holdings History for OneStream, Inc. - COMMON STOCK (OS)

Symbol: OS on Nasdaq
Investment type: Equity / COMMON STOCK
Latest Disclosed Shares Owned: 18,173,259 shares
Security Ownership %: 16%

Thomas Anthony Shea ownership in OneStream, Inc. COMMON STOCK (OS)

13 Feb 2026 - Thomas Anthony Shea has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 18,173,259 shares of OneStream, Inc. COMMON STOCK (OS). This represents 16% ownership of the company. This is the first filing by Thomas Anthony Shea disclosing ownership of OneStream, Inc. COMMON STOCK (OS).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Thomas Anthony Shea	16%		$429,252,378	18,173,259			$23.62	13G/A	31 Dec 2025	13 Feb 2026, 18:01