Blackstone Mortgage Trust insider files Form 144 for RSU sale of 4,593 shares

Rhea-AI Filing Summary

Form 144 notice from Blackstone Mortgage Trust, Inc. (BXMT) shows an executive-level sale plan and recent transactions by an insider. The filer reports a proposed sale of 4,593 Class A common shares, with an aggregate market value of $89,529.23, scheduled approximately on 09/17/2025 on the NYSE. Those shares were acquired via vesting of restricted stock units on 09/16/2025 and were granted as part of issuer equity compensation. The filing also discloses an earlier sale by the same person, Katherine Keenan, of 2,315 shares on 09/02/2025 for gross proceeds of $44,572.14. The notice includes the signer’s statement that they possess no undisclosed material information.

Insights

Corporate Governance Expert

TL;DR: Routine insider sale of vested RSUs; no disclosed undisclosed material information.

The filing documents a typical post-vesting disposal of equity by an insider. The transaction size (4,593 shares, ~$89.5k) appears modest relative to a publicly traded REIT and was sourced from equity compensation that vested the day before the proposed sale. The insider attests to having no undisclosed material information, and the filing references an earlier, smaller sale on 09/02/2025. From a governance perspective, this aligns with routine liquidity events rather than signaling a corporate governance change or a material shift in business fundamentals.

Securities Analyst

TL;DR: Transaction is a routine disposition of vested RSUs; impact on share float and valuation is likely immaterial.

Details show acquisition by vesting of restricted stock units on 09/16/2025 and planned sale on 09/17/2025 through Merrill Lynch on the NYSE. Aggregate proceeds reported (~$89.5k) and the prior sale (~$44.6k) are small in absolute terms. There is no revenue, earnings, or debt information in this filing. For investors, this provides transparency about insider liquidity but does not present new operational or financial data to adjust valuation models.

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 St Floor 37 New York NY 10281	4593	89529.23	171578766	09/17/2025	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	09/16/2025	Vesting of restricted stock unit award	BLACKSTONE MORTGAGE TRUST, INC.			4593	09/16/2025	Granted as part of issuer equity compensation

* 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
Katherine Keenan 345 PARK AVENUE 24TH FLOOR New York NY 10281	Class A common stock	09/02/2025	2315	44572.14

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)

FAQ

What does the Form 144 filed for BXMT disclose?

The filing discloses a proposed sale of 4,593 Class A common shares (aggregate market value $89,529.23) to occur around 09/17/2025, acquired via RSU vesting on 09/16/2025.

Who previously sold shares for the account in the past 3 months?

Katherine Keenan sold 2,315 Class A shares on 09/02/2025 for gross proceeds of $44,572.14.

How were the shares being sold acquired?

The reported shares were acquired through the vesting of restricted stock unit awards from Blackstone Mortgage Trust, Inc., granted as part of issuer equity compensation.

On which exchange will the sale occur and which broker is named?

The proposed sale is listed for the NYSE using Merrill Lynch (225 Liberty St, Floor 37, New York, NY) as the broker.

Does the filer assert possession of any undisclosed material information?

By signing the notice, the person represents they do not know any material adverse information regarding the issuer that has not been publicly disclosed.