Form 4: OneStream CEO's Tax Withholding on RSU Vesting

OneStream CEO Thomas Anthony Shea reported a disposition of 13,805 shares of Class A Common Stock for tax withholding purposes related to restricted stock unit vesting.

Summary

• Thomas Anthony Shea, who serves as CEO, President, Director, and a 10% Owner of OneStream, Inc., reported a transaction.
• On September 10, 2025, 13,805 shares of Class A Common Stock were disposed of at a price of $19.79 per share.
• This disposition was solely for tax withholding and remittance obligations in connection with the net settlement of restricted stock units (RSUs) and does not represent a discretionary sale by Mr. Shea.
• Following this transaction, Mr. Shea beneficially owns 483,049 shares, which include unvested restricted stock units.

Sentiment

Score: 6

Explanation: The transaction is a routine tax withholding related to RSU vesting, which is a neutral event. The underlying RSU vesting is a positive for the executive and aligns interests, but the filing itself is purely administrative.

Positives

• The underlying event is the vesting of restricted stock units, which represents earned compensation for the CEO and aligns his interests with shareholders.
• The transaction is a standard tax withholding procedure, indicating a routine administrative event rather than a discretionary sale by the CEO.

Future Outlook

NA

Industry Context

This Form 4 filing is a routine disclosure of an insider transaction, specifically a tax-related disposition of shares following RSU vesting. It does not provide broader industry context or trends.

Related Party Transactions

• The transaction involves the issuer withholding shares from the reporting person (CEO) to cover tax obligations related to RSU vesting, which is a standard compensation-related dealing.

Stakeholder Impact

• Shareholders: Minimal direct impact as it's a routine tax withholding, not a market sale. The underlying RSU vesting indicates continued executive alignment.
• Management: The CEO received vested equity compensation, which is a positive for his personal compensation.

Key Dates

Recommendation

This Form 4 filing details a routine tax withholding transaction related to the vesting of restricted stock units for the CEO. It does not indicate any change in the company's fundamentals, strategic direction, or the CEO's long-term commitment. As such, it provides no new information that would warrant a change in an existing investment thesis, leading to a 'hold' recommendation.

Keywords

OneStream Inc., OS, Thomas Anthony Shea, CEO, Form 4, Insider Transaction, Restricted Stock Units, RSU Vesting, Tax Withholding, Equity Compensation