NASSAU HENRY N 4

What Happened
Henry N. Nassau, a director of Blackstone Mortgage Trust, acquired 3,044 shares on July 15, 2026. The shares were recorded as an award/acquisition at $17.12 per share, for a total value of approximately $52,113. This transaction reflects conversion of Class A Common Stock Units received in lieu of dividends, not an open-market purchase.

Key Details

• Transaction date and price: 2026-07-15 at $17.12 per share.
• Shares acquired: 3,044; total value ≈ $52,113.
• Share count after transaction: Not reported in the provided filing.
• Footnote: The shares represent Class A Common Stock Units paid instead of a cash dividend ($0.47 per share). The number of shares was calculated by dividing the dividend amount by the closing price on 7/15/2026, then converting units to shares one-for-one.
• Filing timeliness: Report covers 7/15/2026 and was filed 7/16/2026 (timely).

Context
This was a dividend reinvestment/conversion event (company-paid units converting to common shares), which is typically a routine corporate action rather than a directional insider buy or sell. Such dividend-based acquisitions reflect receipt of compensation/dividends converted into stock and do not necessarily signal management sentiment.