Blackstone Mortgage Trust officer proposes $20.1K sale

The notice lists 168,543,591 common shares outstanding and names Merrill Lynch as broker for the proposed sale.

Rhea-AI Filing Summary

Blackstone Mortgage Trust, Inc. officer Austin Pena reported a proposed sale of 1,725 common shares, with an aggregate market value of $20,091.45 and an approximate sale date of September 30, 2026. Pena acquired the 1,725 shares on September 29, 2026, through vesting of restricted stock unit awards granted under the issuer’s equity compensation plan.

Key Figures

Proposed sale: 1,725 common shares Aggregate market value: $20,091.45 Shares outstanding: 168,543,591 shares +1 more

4 metrics

Proposed sale 1,725 common shares Approximate sale date: September 30, 2026

Aggregate market value $20,091.45 Proposed sale

Shares outstanding 168,543,591 shares Common stock figure listed in the securities-to-be-sold information

Shares acquired through vesting 1,725 shares September 29, 2026; restricted stock unit awards

Key Terms

restricted stock unit awards, equity compensation plan, aggregate market value, Rule 144

4 terms

restricted stock unit awards financial

"Vesting of restricted stock unit awards"

Restricted stock unit awards are company promises to deliver a specific number of shares to employees or service providers in the future once conditions—such as staying with the company for a set time or meeting performance targets—are met. They matter to investors because when the promises convert into actual shares they increase the total share count and can reduce earnings per share, while also aligning recipients’ interests with stock performance much like deferred pay that turns into ownership if goals are met.

equity compensation plan financial

"Granted as part of issuer equity compensation plan"

A plan by which a company gives employees, directors or contractors ownership or the right to buy ownership in the company through stock, options or similar awards — think of promising slices of the company pie as part of someone's pay. It matters to investors because these awards can change the number of shares outstanding, affect reported profits and influence management’s decisions; large or generous plans can dilute existing holders and alter incentives over time.

aggregate market value financial

"Aggregate market value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many BXMT shares does Austin Pena plan to sell?

Austin Pena reported a proposed sale of 1,725 common shares, with an aggregate market value of $20,091.45 and an approximate sale date of September 30, 2026.

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

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Available on EDGAR 09/30/2026 - 04:04 PM Accepted by SEC EDGAR 09/30/2026 - 04:04 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	0002089544
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	BLACKSTONE MORTGAGE TRUST, INC.
SEC File Number	001-14788
Address of Issuer	345 PARK AVENUE 24TH FLOOR NEW YORK NEW YORK 10154
Phone	2126550220
Name of Person for Whose Account the Securities are To Be Sold	Pena Fernando Austin
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	Officer

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
Common Stock	Merrill Lynch 225 Liberty Street Floor 37 New York NY 10281	1725	20091.45	168543591	09/30/2026	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 *
Common Stock	09/29/2026	Vesting of restricted stock unit awards	BLACKSTONE MORTGAGE TRUST, INC.			1725	09/29/2026	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
Austin Pena 345 PARK AVENUE 24TH FLOOR New York NY 10154	Common Stock	03/31/2026	1666	31458.81
Austin Pena 345 PARK AVENUE 24TH FLOOR New York NY 10154	Common Stock	06/25/2026	2398	41917.04
Austin Pena 345 PARK AVENUE 24TH FLOOR New York NY 10154	Common Stock	06/30/2026	1670	28509.10
Austin Pena 345 PARK AVENUE 24TH FLOOR New York NY 10154	Common Stock	09/17/2026	1127	15128.96

144: Remarks and Signature

Remarks
Date of Notice	09/30/2026
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	Austin Pena
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)