MARINER JONATHAN D - Insider Non-Derivative Transactions at OneStream, Inc. (OS) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 2, 2025, MARINER JONATHAN D's relationship to OneStream, Inc. (OS) is Director, and currently has 15,086 shares of Class A Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other OS insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

MARINER JONATHAN D - Insider Non-Derivative Transactions of OS Class A Common Stock

MARINER JONATHAN D - Insider Non-Derivative Transactions at OS

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 3, 2025	Sell -- (Class A Common Stock)	18423	20.9	15086
Sep 4, 2025	Sell -- (Class A Common Stock)	141	20.07	33509
Aug 5, 2025	Sell -- (Class A Common Stock)	6630	23.53	33650
Jul 8, 2025	Sell -- (Class A Common Stock)	6630	26.59	40280
Jun 3, 2025	Sell -- (Class A Common Stock)	6631	27.9	46910
May 22, 2025	Acquisition -- (Class A Common Stock)	7130	0	53541
Mar 25, 2025	C -- (Class A Common Stock)	46411	0	46411
Nov 28, 2024	Sell -- (Class A Common Stock)	4973	31	0
Nov 28, 2024	Sell -- (Class A Common Stock)	787	31	0
Nov 26, 2024	C -- (Class A Common Stock)	787	0	787
Nov 26, 2024	C -- (Class A Common Stock)	4973	0	4973
Nov 19, 2024	Sell -- (Class A Common Stock)	5241	31	0
Nov 19, 2024	Sell -- (Class A Common Stock)	33156	31	0
Nov 15, 2024	C -- (Class A Common Stock)	5241	0	5241
Nov 15, 2024	C -- (Class A Common Stock)	33156	0	33156