MARINER JONATHAN D 4
4 · OneStream, Inc. · Filed Jan 8, 2026
Insider Transaction Report
Form 4
MARINER JONATHAN D
Director
Transactions
- Sale
Class A Common Stock
2026-01-06$22.66/sh−2,415$54,724→ 12,671 total - Sale
Class A Common Stock
2026-01-06$23.59/sh−5,541$130,712→ 7,130 total
Footnotes (4)
- [F1]The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2025.
- [F2]Represents the weighted average share price of an aggregate total of 2,415 shares sold in the price range of $22.375 to $23.275, inclusive, by the Reporting Person. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the issuer or any security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.
- [F3]The shares reported include unvested restricted stock units.
- [F4]Represents the weighted average share price of an aggregate total of 5,541 shares sold in the price range of $23.555 to $23.635, inclusive, by the Reporting Person. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the issuer or any security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.