URBASZEK MARCIN 4

What Happened Marcin Urbaszek, CFO of Blackstone Mortgage Trust (BXMT), reported a sale of 452 shares on March 17, 2026. The shares were disposed at $19.13 per share for total proceeds of $8,647. This was a sale (not a purchase) and, per the filing, was executed under a pre-established trading arrangement to satisfy tax withholding linked to vested restricted stock awards.

Key Details

• Transaction date and price: 2026-03-17, 452 shares at $19.13 per share (total $8,647).
• Transaction type: Sale (Code S) — open market or private sale as reported.
• Plan/footnote: Executed under a Rule 10b5-1 trading plan adopted March 6, 2025 to cover tax withholding obligations from vested restricted stock awards.
• Shares owned after transaction: Not specified in this Form 4 filing.
• Filing timeliness: Report filed 2026-03-18 for a 2026-03-17 transaction — appears to be timely.

Context Sales made under 10b5-1 plans are typically pre-arranged and often used to cover tax obligations from equity awards; they are generally viewed as routine rather than a direct signal of insider sentiment. This particular sale is modest in dollar value.