Form 4: Blackstone Mortgage CEO Sells Shares for Tax Obligations

Blackstone Mortgage Trust CEO Katharine A. Keenan sold 4,593 shares of Class A Common Stock to cover tax withholding obligations from vested restricted stock awards.

Summary

• Katharine A. Keenan, CEO & President of Blackstone Mortgage Trust, Inc. (BXMT), reported a sale of Class A Common Stock.
• The transaction involved the disposition of 4,593 shares.
• The shares were sold at a weighted average price of $19.4925 per share, with individual transactions ranging from $19.4851 to $19.50.
• The sale was executed on September 17, 2025.
• This sale was conducted pursuant to Rule 10b5-1 trading plans adopted on August 8, 2024, and March 18, 2025.
• The primary purpose of the sale was to satisfy tax withholding obligations related to the vesting of previously granted restricted stock awards.
• Following this transaction, Katharine A. Keenan beneficially owns 230,006 shares of Class A Common Stock directly.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the sale is a pre-planned, non-discretionary transaction to cover tax obligations from vested restricted stock, rather than a discretionary sale indicating a change in confidence.

Positives

• The underlying event for the sale was the vesting of previously granted restricted stock awards, which is a positive compensation event for the executive.

Negatives

• A sale of shares by an insider, even for tax purposes, reduces their direct equity stake in the company.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.

Management Comments

• The sales reported were effected pursuant to Rule 10b5-1 trading plans adopted on August 8, 2024, and March 18, 2025, to satisfy certain tax withholding related obligations in connection with the vesting of previously granted restricted stock awards.

Industry Context

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

Stakeholder Impact

• Shareholders: The sale is a routine, pre-planned transaction for tax purposes and is unlikely to have a significant impact on shareholder perception or the company's operational performance.
• Employees: The vesting of restricted stock awards is a standard component of executive compensation, reflecting the company's compensation practices.

Key Dates

Keywords

BXMT, Blackstone Mortgage Trust, Katharine Keenan, CEO, Insider Trading, Form 4, Stock Sale, Restricted Stock, Tax Withholding, Rule 10b5-1