Form 4: Blackstone Mortgage Trust CFO Sells Shares Under 10b5-1 Plan

Marcin Urbaszek, Chief Financial Officer of Blackstone Mortgage Trust, Inc., reported the sale of 1,352 shares of Class A Common Stock for $18.35 per share, executed under pre-established Rule 10b5-1 trading plans.

Summary

• Marcin Urbaszek, the Chief Financial Officer of Blackstone Mortgage Trust, Inc. (BXMT), has reported a transaction involving the sale of 1,352 shares of Class A Common Stock.
• The sale occurred on June 17, 2026, at a price of $18.35 per share.
• These shares were sold as part of two Rule 10b5-1 trading plans, adopted on March 6, 2025, and February 26, 2026.
• The purpose of these sales was to satisfy tax withholding obligations related to the vesting of previously granted restricted stock awards.
• Following this transaction, Urbaszek beneficially owns 24,824 shares of Class A Common Stock directly.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing. While it involves a sale of stock by a key executive, the transaction is clearly explained as being part of pre-arranged plans for tax purposes, which is a common and accepted practice.

Negatives

• Sale of company stock by a key executive, although explained as a planned event for tax purposes.

Risks

• The sales were executed under Rule 10b5-1 plans, which are designed to provide an affirmative defense against allegations of insider trading. However, any stock sale by an executive can be perceived negatively by the market.
• The need to sell shares to cover tax withholding obligations suggests that executives may not be holding onto equity as a long-term investment, or that the value of vested awards is significant enough to require such sales.

Future Outlook

The filing does not contain forward-looking statements or guidance. It reports on a past transaction.

Management Comments

• The sales reported in this Form 4 were effected pursuant to two Rule 10b5-1 trading plans adopted on March 6, 2025 and February 26, 2026 to satisfy certain tax withholding related obligations in connection with the vesting of previously granted restricted stock awards.

Industry Context

StockSavvy.ai notes that the use of Rule 10b5-1 plans by executives is a common practice to manage personal finances and comply with tax obligations while mitigating insider trading concerns. The specific details of the plans and the reason for the sales (tax withholding) are standard disclosures for such transactions within the real estate investment trust (REIT) sector.

Stakeholder Impact

• Shareholders: The sale, while planned, could be perceived as a minor negative signal, though the explanation mitigates significant concern. The direct ownership by the CFO remains substantial.

Key Dates

Keywords

BXMT, Blackstone Mortgage Trust, Form 4, Insider Trading, Rule 10b5-1, Stock Sale, Executive Compensation, Tax Withholding, Marcin Urbaszek, CFO