Jonathan D. Mariner - Mar 24, 2025 Form 4 Insider Report for OneStream, Inc. (OS)

Role
Director
Signature
/s/ Holly Koczot, attorney-in-fact
Stock symbol
OS
Transactions as of
Mar 24, 2025
Transactions value $
$0
Form type
4
Date filed
3/26/2025, 04:49 PM
Previous filing
Nov 27, 2024
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OS Class A Common Stock Conversion of derivative security +46.4K 46.4K Mar 24, 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction OS Common Units Conversion of derivative security $0 -46.4K -18.32% $0.00 207K Mar 24, 2025 Class D Common Stock 46.4K Direct F2, F3
transaction OS Class D Common Stock Conversion of derivative security $0 +46.4K $0.00 46.4K Mar 24, 2025 Class A Common Stock 46.4K Direct F2, F4
transaction OS Class D Common Stock Conversion of derivative security $0 -46.4K -100% $0.00 0 Mar 24, 2025 Class A Common Stock 46.4K Direct F1, F4
holding OS Common Units 40.1K Mar 24, 2025 Class D Common Stock 40.1K $0.00 See footnote F3, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Class A Common Stock was acquired upon the conversion, at the holder's election, of Class D Common Stock held by the holder on a 1:1 basis.
F2 On March 24, 2025, the holder redeemed 46,411 Common Units of OneStream Software LLC, and 46,411 shares of the holder's Class C Common Stock were cancelled, in exchange for 46,411 shares of Class D Common Stock.
F3 The Common Units may be redeemed by the holder for shares of Class D Common Stock on a 1:1 basis, and an equal number of the holder's shares of Class C Common Stock (which have no economic rights) will be cancelled in connection with the redemption. The Common Units have no expiration date.
F4 The Class D Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis. Each outstanding share of Class D Common Stock will automatically convert into one share of Class A Common Stock upon the earlier of (i) any transfer, whether or not for value, except for certain transfers exempted by the Issuer's amended and restated certificate of incorporation, (ii) death or incapacity (if the holder is a natural person), and (iii) the first trading day following the seventh anniversary of the Issuer's initial public offering.
F5 Held by the Jonathan D. Mariner Revocable Trust, of which the Reporting Person is a trustee.