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Mariner Jonathan D's Form 4 filing

OneStream, Inc.OS · filed Jan 8, 2026

Accession no.
0001063663-26-000002
Filed
Jan 8, 2026
Trade date
Jan 6, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 2 non-derivative transactions. Open-market sales total $185.4K. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Mariner Jonathan DCIK 0001063663Director

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jan 6, 2026Class A Common StockSSaleDisposed−2,415$22.66F2−$54,723.912,671Direct
Jan 6, 2026Class A Common StockSSaleDisposed−5,541$23.59F4−$130,712.197,130Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

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.

Referenced by the price of 1 transaction in Table I.

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.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)