Form 4: OneStream Former 10% Owner Sells Shares for Tax Obligations Following RSU Vesting

Craig Colby, a former 10% owner of OneStream, Inc., sold 6,279 shares of Class A Common Stock for $28.23 per share to satisfy tax withholding obligations related to restricted stock unit vesting.

Summary

• The reporting person, Craig Colby, is identified as a former 10% owner of OneStream, Inc. (OS).
• On June 11, 2025, Mr. Colby disposed of 6,279 shares of OneStream's Class A Common Stock.
• The shares were sold at a price of $28.23 per share.
• This sale was explicitly stated as a 'sell to cover' transaction, mandated by the Issuer's equity incentive plan to satisfy statutory tax withholding obligations upon the vesting of restricted stock units.
• The transaction does not represent a discretionary sale by the Reporting Person.
• Following the reported transaction, Craig Colby directly beneficially owns 212,885 shares of Class A Common Stock, which includes unvested restricted stock units.
• Additionally, 175,125 shares are indirectly beneficially owned through CCICU Corp., a subchapter S corporation solely owned and controlled by the Reporting Person.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the transaction is a non-discretionary 'sell to cover' for tax withholding, which is a routine event and does not reflect a change in the insider's confidence or outlook on the company's performance.

Positives

• The sale was non-discretionary, indicating it was a routine compliance event for tax purposes rather than a signal of lack of confidence in the company by the former owner.

Negatives

• The sale of shares, while non-discretionary, reduces the former owner's direct stake in the company.

Risks

• No specific risks beyond the general market risks associated with holding equity are mentioned in this Form 4 filing.

Future Outlook

N/A

Industry Context

This Form 4 filing details a routine insider transaction for tax purposes and does not provide information relevant to broader industry trends or competitive analysis.

Related Party Transactions

• The indirect beneficial ownership of 175,125 shares is held through CCICU Corp., a subchapter S corporation of which the Reporting Person is the sole owner and maintains control. This constitutes a related party holding.

Stakeholder Impact

• Shareholders: The sale of a small number of shares for tax purposes by a former 10% owner is unlikely to have a significant impact on the broader shareholder base or share price, as it is a non-discretionary transaction.

Key Dates

Keywords

OneStream, OS, Form 4, Insider Transaction, Share Sale, Restricted Stock Units, RSU, Tax Withholding, Craig Colby, Equity Incentive Plan