Blackstone Mortgage Trust (BXMT) Form 144: 1,352 RSU shares vest and are offered

Rhea-AI Filing Summary

Blackstone Mortgage Trust, Inc. submitted a Form 144 notice relating to the proposed sale of 1,352 shares of its Class A common stock. The 1,352 shares reflect the vesting of a restricted stock unit award on 06/16/2026 granted under the issuer's equity compensation plan. The filing also records that Marcin Urbaszek sold 400 shares on 12/17/2025 for $8,116.04 and 452 shares on 03/17/2026 for $8,646.76.

Insights

Equity Compensation Analyst

RSU vesting led to a Form 144 notice for 1,352 Class A shares.

The filing shows 1,352 shares vested as a restricted stock unit award on 06/16/2026 under the issuer's equity compensation plan. A Form 144 notice records a proposed resale; it does not confirm completed trades.

Prior transactions by Marcin Urbaszek are listed: 400 shares sold on 12/17/2025 for $8,116.04 and 452 shares sold on 03/17/2026 for $8,646.76. Subsequent filings would show whether the proposed sale executed.

Key Figures

Proposed resale amount: 1,352 shares Prior sale: 400 shares Prior sale: 452 shares +1 more

4 metrics

Proposed resale amount 1,352 shares Vesting of restricted stock unit award on 06/16/2026

Prior sale 400 shares Sold 12/17/2025 for $8,116.04 by Marcin Urbaszek

Prior sale 452 shares Sold 03/17/2026 for $8,646.76 by Marcin Urbaszek

Exchange NYSE Listing venue shown on excerpt

Key Terms

restricted stock unit (RSU), Form 144, Class A common stock

3 terms

restricted stock unit (RSU) financial

"Vesting of restricted stock unit award on 06/16/2026"

A restricted stock unit (RSU) is a promise from a company to give an employee company shares (or cash equal to their value) at a future date if certain conditions are met, such as staying with the company or hitting performance targets. For investors, RSUs matter because when they convert into actual shares they increase the number of shares available and can create selling pressure as employees cash out—think of them as a future paycheck paid in company stock.

Form 144 regulatory

"Filer Information and Securities To Be Sold entries referencing Form 144"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Class A common stock financial

"Securities Information and Securities To Be Sold lines reference Class A common stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

What does BXMT's Form 144 disclose?

It notifies a proposed resale of 1,352 Class A shares. The Form 144 records the vesting of an RSU award on 06/16/2026 and lists prior sales by Marcin Urbaszek of 400 and 452 shares on 12/17/2025 and 03/17/2026.

Who received the vested shares in the BXMT filing?

The filing attributes 1,352 vested shares to a restricted stock unit award. The award vested on 06/16/2026 and was granted under the issuer's equity compensation plan, per the Form 144 excerpt.

Do the amounts in the Form 144 confirm completed sales for BXMT?

No; the Form 144 is a notice of proposed resale, not proof of sale. The filing records a proposed sale of 1,352 shares; prior completed sales by Marcin Urbaszek are separately listed with dates and amounts.

What recent sales by insiders does the BXMT excerpt show?

Marcin Urbaszek sold 400 and 452 shares in the past three months. The excerpt lists a 400-share sale on 12/17/2025 for $8,116.04 and a 452-share sale on 03/17/2026 for $8,646.76.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 06/17/2026 - 04:17 PM Accepted by SEC EDGAR 06/17/2026 - 04:17 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A common stock	Merrill Lynch 225 Liberty Street Floor 37 New York NY 10281	1352	24809.20	168683520	06/17/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A common stock	06/16/2026	Vesting of restricted stock unit award	BLACKSTONE MORTGAGE TRUST, INC.			1352	06/16/2026	Granted as part of issuer equity compensation plan

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Marcin Urbaszek 345 PARK AVENUE 24TH FLOOR New York NY 10154	Class A common stock	12/17/2025	400	8116.04
Marcin Urbaszek 345 PARK AVENUE 24TH FLOOR New York NY 10154	Class A common stock	03/17/2026	452	8646.76

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)